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TLIN821-Q1 - Automotive Fault-Protected LIN Transceiver | Texas Instruments
TLIN821-Q1

TLIN821-Q1 - Automotive Fault-Protected LIN Transceiver | Texas Instruments

The TLIN821-Q1 from Texas Instruments is an automotive fault-protected local interconnect network (LIN) physical layer transceiver. It supports data rates up to 20 kbps and is designed for low-speed UART-based communication in vehicle networks. The device is housed in an 8-pin SON (DRB) package, making it suitable for space-constrained automotive electronic control units. A LIN transceiver is a physical layer device that interfaces a microcontroller's UART to the single-wire LIN bus. It converts the TXD signal from the MCU into a bus signal and senses the bus state to drive the open-drain RXD output. The TLIN821-Q1 includes a current-limited wave-shaping driver that reduces electromagnetic emissions (EME), helping meet automotive EMC requirements.“ Key features include integrated ESD protection, under-voltage protection, thermal shutdown, and ground fault protection. The device also offers inhibit and wake functions, allowing the LIN node to enter low-power mode and be woken by bus activity or a dedicated wake signal. This reduces current consumption in parked vehicles. The TLIN821-Q1 is AEC-Q100 qualified, ensuring reliable operation across the automotive temperature range. Its robust fault protection prevents damage from accidental shorts, ground drifts, or supply disconnections. According to the TI datasheet, when a fault occurs, the transmitter is disabled until the fault is removed. Typical applications include automotive body control modules, door and seat control units, lighting systems, HVAC actuators, and battery management systems. With its 20 kbps data rate and fault-tolerant design, it is the ideal choice for LIN-based automotive networking.

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TLIN829-Q1 - Fault-Protected LIN Transceiver, 20kbps | TI
TLIN829-Q1

TLIN829-Q1 - Fault-Protected LIN Transceiver, 20kbps | TI

The Texas Instruments TLIN829-Q1 is an automotive fault-protected Local Interconnect Network (LIN) physical-layer transceiver with integrated dominant-state timeout, supporting data rates up to 20kbps and operating from a wide 5.5V to 28V supply (with extended fault tolerance above 28V). Housed in an 8-pin SOIC or 8-pin SON (DRB 3x3) package, it converts a TXD logic-level data stream into a single-wire LIN bus waveform via a current-limited wave-shaping driver, and converts the bus signal back to logic levels through an open-drain RXD pin. The transceiver complies with LIN 2.0, LIN 2.1, LIN 2.2, LIN 2.2A, SAE J2602, and ISO/DIS 17987-4 standards. According to TI product page data, the LIN receiver additionally supports fast in-line programming at rates up to 100kbps. The TLIN829-Q1 is a 12V-system optimized, cost-effective derivative of the TLIN1029A-Q1 and TLIN1029-Q1 family, sharing the same family footprint and adding wider operating voltage, bus-fault protection, and a dominant-state watchdog that prevents the bus from being stuck in the dominant state due to software or hardware faults. What is a LIN transceiver? A LIN (Local Interconnect Network) transceiver is a physical-layer (PHY) device that connects a microcontroller's UART-style logic domain to a single-wire, low-cost automotive communication bus. It typically integrates a wave-shaping transmitter, a comparator-based receiver, bus fault protection (against shorts to battery, ground, and adjacent LIN nodes), ESD protection, and a low-power wake-up mechanism. LIN sits hierarchically under in-vehicle networking alongside CAN (Controller Area Network), FlexRay, and Automotive Ethernet - LIN targets low-speed, low-cost nodes like door modules, mirror adjusters, and seat controllers, while CAN/Ethernet handle higher-bandwidth powertrain and ADAS domains. Key features include: integrated dominant-state timeout for fail-safe bus recovery, ±45V LIN bus fault tolerance (load-dump tolerant), ±15kV HBM ESD on the LIN pin per IEC 61000-4-2, ultra-low quiescent current in sleep mode, thermal shutdown, and an active-high WAKE input that wakes the device from sleep without MCU intervention. The part supports both 3.3V and 5V MCU logic via a separate VCC/VSUP rail scheme. The 8-pin SOIC (D) and 8-pin SON (DRB 3x3) packages provide small footprint for space-constrained body-electronics modules. Typical applications include automotive body control modules (BCM), HVAC control, door/window/seat modules, steering column controls, rain/light sensors, mirror adjusters, headlamp leveling, and interior lighting nodes. The part's AEC-Q100 Grade 1 qualification (-40C to +125C) makes it suited for underhood and cabin applications alike. Designers should ensure proper LIN bus termination (typically a master pull-up of 1kΩ plus a diode to VSUP, and a slave pull-up of 30kΩ in the device), use a 100nF X7R decoupling capacitor close to VSUP, and route the LIN trace as a short, stub-free single-ended line, twisted if possible, to minimize radiated emissions. The dominant-state timeout is configurable; refer to the datasheet's register or strap-setting description for the chosen mode.

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TLP7820(A-LF4 - 5 kVrms Isolated Amplifier | Toshiba
TLP7820(A-LF4

TLP7820(A-LF4 - 5 kVrms Isolated Amplifier | Toshiba

The Toshiba TLP7820(A-LF4 is a one-channel optically isolated amplifier with analog output, 5000 Vrms isolation, and a SO8L (LF4) package. It operates from 3 V to 5.5 V, supports differential input sensing, and is designed for high-precision current sensing in electronic motor drives. The isolation barrier transfers a measured voltage signal optically while electrically separating the sensed power circuit from downstream control electronics. An isolation amplifier is an analog signal-conditioning IC that combines input amplification, modulation across a galvanic isolation barrier, and signal reconstruction at the output. Unlike a conventional voltage amplifier, its primary purpose is to measure a differential signal while maintaining high-voltage isolation. This places it in the isolated-sensing branch of the industrial, power-conversion, and motor-control semiconductor hierarchy. Key verified characteristics include a 3 V to 5.5 V supply range, differential sensing, 5000 Vrms isolation, and analog output. Toshiba identifies motor phase current sensing and inverter current or voltage sensing as primary use cases. In a typical motor-drive circuit, motor current flows through an external shunt resistor and the resulting differential voltage is measured by the amplifier. The device architecture provides an analog output while preserving a reinforced-style isolation barrier up to the verified 5000 Vrms rating. Its single-channel SO8L package supports compact isolated signal-conditioning layouts, but the exact pin assignments, input range, bandwidth value, propagation behavior, accuracy limits, and temperature limits must be taken from the manufacturer datasheet. Typical applications include three-phase inverter phase-current measurement, DC motor control, industrial inverter monitoring, power-supply current feedback, and isolated analog voltage sensing. The differential architecture suits shunt-based measurements where common-mode voltage is elevated or varies with the switching environment. PCB design should preserve creepage and clearance around the isolation barrier, keep input and output grounds separate, and place the shunt path and amplifier inputs according to the manufacturer layout guidance. Filtering near the sensor input may be needed if switch-node transients exceed the device limits; component values should not be inferred without the complete datasheet specifications. This page consolidates the verified manufacturer and distributor information, separates confirmed TLP7820 characteristics from unavailable parameters, and provides engineering-oriented application and sourcing context rather than treating packaging-code variants as engineering alternatives.

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TLP7820(A-TP4 - 5kVrms Isolated Amplifier | Toshiba
TLP7820(A-TP4

TLP7820(A-TP4 - 5kVrms Isolated Amplifier | Toshiba

The Toshiba TLP7820(A-TP4 is a photocoupler-based isolation amplifier with analog output, 5000 Vrms reinforced isolation, and an 8-pin SO8L package. It is designed primarily for motor phase-current and inverter voltage sensing. The verified source data identifies one differential isolation-amplifier circuit and an 8-SO package, while detailed electrical characteristics are not provided in the supplied records. An isolation amplifier is an analog signal-conditioning IC that transfers voltage information across a galvanically isolated barrier while electrically separating high-voltage circuitry from the low-voltage control domain. In the application hierarchy, the TLP7820 belongs to isolation amplifiers, optically isolated amplifiers, signal-conditioning ICs, analog ICs, and semiconductor devices. Its isolation barrier helps prevent ground faults and high common-mode potentials from reaching measurement, protection, or control electronics. Toshiba identifies the TLP7820 as an analog-output isolation amplifier rated to 5000 Vrms. The official product description specifically targets current sensing in electronic motor drives, where an external resistor produces a voltage proportional to motor current. The TLP7820 senses that voltage across its isolated input side and presents the result on the non-isolated output side. The provided records also associate the device with power-inverter current sensing. The isolation mechanism is optical within a photocoupler-type package. Optical isolation breaks the direct conductive path between input and output while preserving the intended analog signal relationship. In practical systems, the amplifier is paired with a precision shunt resistor, power-supply bypassing, an analog acquisition stage, and a controller such as a motor-drive MCU. Exact gain, bandwidth, input range, common-mode limits, supply requirements, and accuracy must be confirmed in the manufacturer datasheet before release to production. Typical uses include three-phase motor-drive shunt sensing, inverter leg-current measurement, power-converter feedback, and isolated analog-voltage sensing across a high-voltage barrier. Unlike ordinary operational amplifiers placed directly beside a shunt, the TLP7820 provides a defined isolation function suited to systems where the sensed node can sit at a hazardous or elevated potential. PCB design should preserve the isolation barrier by maintaining the package creepage and clearance required by the working voltage and applicable safety requirements. Place input-side and output-side ground returns independently, route copper so isolation barriers cannot be bridged by solder, test pads, or silkscreen-dependent features, and use stable references and supply decoupling appropriate for the measurement accuracy required. This page consolidates the verified Toshiba product-page data, distributor identification, sourcing links, and engineering cautions that are not presented together in the manufacturer overview. Because the supplied web records do not expose a complete parametric datasheet, unsupported values are intentionally marked for verification rather than inferred from generic isolation-amplifier specifications.

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TLP7820(B-LF4 - 5V 5kVrms Isolation Amplifier | Toshiba
TLP7820(B-LF4

TLP7820(B-LF4 - 5V 5kVrms Isolation Amplifier | Toshiba

The Toshiba TLP7820(B-LF4 is a 5 V optically isolated analog-output amplifier with 5000 Vrms reinforced isolation, one isolation channel, and an 8-pin SO8L (LF4) package. It is designed for motor phase-current and inverter voltage sensing, where an external shunt produces a small differential voltage that must be transferred safely across a high-potential barrier. The verified product information identifies an analog output, differential input operation, 3 V to 5.5 V supply range, and a surface-mount SO8L package. An isolation amplifier is an analog signal-conditioning IC that transfers a low-voltage input across an electrical isolation barrier while electrically separating the input and output grounds. Optically isolated amplifiers use an internal light path or other isolation mechanism to prevent high-voltage ground currents and common-mode transients from reaching the measurement system. This product belongs to the isolation-amplifier family of signal-chain ICs rather than a general-purpose operational amplifier. The TLP7820 is intended for current sensing in electronic motor drives. In a typical implementation, motor current flows through an external resistor and the resulting analog voltage drop is sensed by the isolation amplifier. Its differential input arrangement helps reject common-mode voltage at the shunt, while the 5000 Vrms isolation rating supports high-side sensing in inverter and motor-control systems. The analog output can be connected to a controller or monitoring ADC after the system designer confirms the required transfer gain, bandwidth, accuracy, and supply conditions. The verified Toshiba material also references EN IEC 60747-5-5 option (D4) documentation, which is relevant when evaluating isolation-related product qualification requirements. The part is associated with motor phase-current sensing, inverter current sensing, and inverter voltage sensing. The available LCSC listing reports a 5-piece stock example and a starting price of $11.3258, but pricing and inventory are market-dependent and were not provided as a structured XAIPART price schedule. A practical design must preserve the isolation barrier rather than treating SO8L as an ordinary op-amp package. Keep high-voltage and low-voltage copper regions separated, route the shunt signal as a short differential pair, provide local supply bypassing where the datasheet specifies it, and verify creepage, clearance, capacitor insulation, and system-level withstand requirements. The TLP7820(B-LF4 is best considered for isolated measurement in power-conversion equipment after checking the exact option suffix and datasheet revision. This page consolidates manufacturer product information, distributor findings, and cross-reference evidence into an engineering-oriented overview. It distinguishes verified information from fields that still require the latest Toshiba datasheet or authorized distributor quote, helping designers evaluate the TLP7820 without substituting unverified ratings or assuming that a similar package implies drop-in compatibility.

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TLP7820(B-TP4 - 5kVrms Isolation Amplifier | Toshiba
TLP7820(B-TP4

TLP7820(B-TP4 - 5kVrms Isolation Amplifier | Toshiba

Toshiba TLP7820(B-TP4 is a precision isolation amplifier intended for current sensing in electronic motor drives, packaged as an 8-pin SO8L device. Verified source information identifies the device as a photocoupler-type isolation amplifier with an analog output, 5,000 Vrms isolation rating, and SO8L (LF4) package construction. An isolation amplifier is an optically isolated signal-conditioning IC that transfers a voltage or current-related measurement across an electrical barrier while electrically separating high-power circuitry from the measurement domain. Its internal isolation barrier helps protect low-voltage control and sensing electronics from high common-mode voltages. The TLP7820 family is associated with motor phase-current, inverter-current, and voltage-sensing applications. The verified Toshiba product listing identifies TLP7820(B-TP4 as an isolation amplifier with an analog output and 5,000 Vrms isolation capability. The family is packaged in SO8L (LF4), while distributor and comparison listings describe an 8-pin SO/SOIC-style package. The device is therefore positioned for isolated current-measurement circuits rather than ordinary non-isolated operational-amplifier applications. Because the supplied sources do not provide the complete electrical characteristic table, input common-mode range, gain error, bandwidth, propagation delay, supply-current limits, or exact pin names, those values must be confirmed in the manufacturer datasheet before layout or qualification. This page does not infer unverified numerical specifications. The available evidence supports the device category, isolation rating, analog-output architecture, package family, and target sensing applications. Typical implementation places the TLP7820 across a current-sense shunt or inverter phase-current sensing path. Its isolation barrier allows measurement information to cross from the power stage toward a controller while maintaining galvanic separation. Designers should verify the complete recommended shunt, input filter, supply, output, and grounding configuration in the Toshiba datasheet and evaluate the external resistor network for the intended current range. Design emphasis belongs on barrier isolation, common-mode voltage limits, input-referenced filtering, output scaling, and PCB creepage. The SO8L package should be placed with adequate isolation clearance and a defined high-voltage barrier; copper, slots, and grounded structures must not unintentionally reduce the rated isolation distance. The manufacturer datasheet is the controlling source for layout dimensions and safety requirements. This page consolidates verified manufacturer and distributor information, distinguishes documented facts from missing parameters, and provides application and sourcing guidance. It is intended to help engineers identify the correct isolation-amplifier family and obtain the authoritative Toshiba datasheet before committing to a PCB design.

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TLP7820(D4-LF4 - 5kVrms Isolated Amplifier | Toshiba
TLP7820(D4-LF4

TLP7820(D4-LF4 - 5kVrms Isolated Amplifier | Toshiba

Toshiba TLP7820(D4-LF4 is an optically isolated, isolated sigma-delta modulator amplifier with analog output, 5000 Vrms isolation, a 3 V to 5.5 V supply range, and an SO8L (LF4) package. It is designed for motor phase current sensing, inverter current and voltage sensing, and other industrial power-monitoring systems requiring reinforced isolation between high-voltage signal paths and control electronics. An isolation amplifier is a signal-conditioning IC that transfers information across an electrically isolated barrier while preventing galvanic current flow between its input and output domains. The TLP7820 belongs to the isolated delta-sigma modulator class, combining an analog signal interface, optical isolation, and digital filtering into a device intended to simplify current-sense measurement systems. Its isolation amplifier hierarchy is isolation amplifier to optically isolated amplifier to signal-chain IC and industrial power-management component. Key verified features include 5000 Vrms isolation, operation from 3 V to 5.5 V, differential analog output, one isolation channel, and an SO8L (LF4) package. The D4 option is associated with EN IEC 60747-5-5 qualification according to the manufacturer document index supplied with the product data. These characteristics make the device applicable where a high-side shunt voltage must be measured without connecting the measurement ground to the inverter or motor power stage. The TLP7820 uses optical isolation to establish a safety barrier between the sensed voltage and the system-side output. Toshiba identifies the TLP7820 family as an isolation amplifier and isolated delta-sigma modulator product with analog output. Its differential output supports direct connection to measurement circuitry when implemented according to the manufacturer application guidance, while the isolated structure helps suppress common-mode effects associated with high-power switching environments. Typical applications include three-phase inverter motor control, motor phase-current measurement, industrial power conversion, power-supply monitoring, and isolated voltage sensing. These systems benefit from the 5000 Vrms isolation barrier when the measured shunt sits at a high common-mode voltage or when safety isolation is required between power electronics and supervisory control circuitry. Designers should preserve the isolation barrier, use the specified input and output components from the manufacturer datasheet, and provide adequate clearance and creepage around the package. Input filtering, output differential routing, grounding, and PCB contamination control are as important as electrical pin compatibility because they determine measurement accuracy and real-world isolation performance. This page consolidates verified manufacturer and distributor information for the TLP7820(D4-LF4, including supply range, isolation rating, package information, sourcing data, and documented same-brand alternatives. It also provides application guidance, comparison tables, and design notes intended to help engineers evaluate the device beyond basic distributor specifications.

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TLP7820(D4-TP4 - 5kVrms Isolation Amplifier | Toshiba
TLP7820(D4-TP4

TLP7820(D4-TP4 - 5kVrms Isolation Amplifier | Toshiba

The Toshiba TLP7820(D4-TP4 is a single-channel optically isolated amplifier with analog output, 5,000 Vrms isolation voltage, and 230 kHz bandwidth in an 8-pin SO8L (LF4) surface-mount package. Designed for current sensing in electronic motor drives, it accepts a voltage derived from motor current flowing through an external shunt resistor and provides an isolated analog representation of that measurement. An optically isolated amplifier belongs to the isolation-amplifier category within analog signal-conditioning ICs. Its role in the broader hierarchy is isolation amplifier → optically isolated amplifier → analog signal-conditioning IC → semiconductor. Optical isolation separates the input measurement domain from the output and system ground, helping reduce common-mode voltage effects and ground-loop hazards when measurements are taken at a high-side shunt or inside a power-conversion stage. The principal verified features include one isolation channel, analog amplifier output, 5,000 Vrms isolation voltage, 230 kHz bandwidth, a 5 V supply indication, and an SO8L (LF4) package. The 230 kHz bandwidth provides useful signal bandwidth for motor phase-current measurement, while the 5,000 Vrms isolation rating supports applications requiring reinforced separation between the sensed circuit and downstream control electronics. The manufacturer describes the TLP7820 as an isolation amplifier for electronic motor drives. In a typical implementation, motor current passes through an external resistor, the resulting analog voltage drop is sensed by the isolated input side, and the output side delivers an amplified analog signal for measurement, control, or protection. The external shunt and input-network design remain important because they determine the measurable current range, sensitivity, and practical power dissipation. Typical uses include three-phase inverter phase-current sensing, motor-drive current feedback, power-converter monitoring, and isolated voltage sensing where a grounded controller must interface with a high-side or floating power stage. The same isolation-amplifier architecture can also support industrial current-measurement systems when its specified bandwidth, supply requirements, and isolation rating satisfy the application. When designing around the TLP7820(D4-TP4, preserve the isolation barrier and follow the manufacturer’s input and output application circuits. Shunt resistance, input common-mode range, gain, supply decoupling, and PCB creepage must be checked against the actual motor-drive topology; the available verified data does not provide those detailed limits.

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TLP7820(D4ALF4 - 5000 Vrms Isolated Amplifier | Toshiba
TLP7820(D4ALF4

TLP7820(D4ALF4 - 5000 Vrms Isolated Amplifier | Toshiba

The Toshiba TLP7820(D4ALF4 is a single-channel optically isolated amplifier designed for accurate DC current measurement in electronic motor drives, inverter systems, and industrial power-conversion equipment. It provides analog output in an 8-pin SO8L package and is specified for 5000 Vrms isolation, 5 V operation, and 230 kHz bandwidth according to the manufacturer product and comparison data. An isolation amplifier is a precision signal-conditioning IC that transfers a low-voltage measurement signal across a galvanic isolation barrier while electrically separating the high-voltage and low-voltage domains. The TLP7820 uses optical isolation rather than a conductive connection between its two sides, helping reduce common-mode interference and protect low-voltage control electronics from high-side motor or inverter voltages. Key features include one analog isolation channel, 5000 Vrms isolation, analog output, 5 V supply operation, and 230 kHz bandwidth. The SO8L (LF4) package supports compact isolated-sensing designs, while the optical isolation structure is intended for motor phase current and voltage sensing. The manufacturer describes the device as a high-speed isolation amplifier for efficient isolation amplification. Toshiba positions the TLP7820 for electronic motor drives where an external shunt resistor converts phase current into a differential voltage that can be measured safely on the high-voltage side. The isolation amplifier then conveys that measurement to a controller or monitoring system across the isolation barrier. Its 230 kHz bandwidth supports current-loop and power-stage monitoring applications where the measured signal must follow dynamic phase-current changes. The 5000 Vrms isolation rating is the central system-level specification. It helps engineers create a safety separation between power-conversion circuitry and low-voltage control logic, subject to the complete application’s creepage, clearance, insulation, and safety requirements. The operating voltage and electrical limits must be confirmed from the manufacturer datasheet before final design release. Designers should pay particular attention to input common-mode range, output offset, gain, supply sequencing, shunt-resistor selection, and the analog isolation characteristics of the exact ordering code. The SO8L footprint should be checked against the PCB land pattern and creepage requirements before layout. This page consolidates manufacturer information, distributor availability, verified comparisons, and practical application guidance for engineers evaluating the TLP7820(D4ALF4. The TLP7820 family is listed for RoHS-compliant surface-mount applications and is available through major distributors such as DigiKey, Mouser, Arrow, LCSC, and Octopart. Verify current lifecycle status, pricing, stock, and lead time directly with the selected authorized distributor.

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TLP7820(D4ATP4 - 5 kVrms Isolation Amplifier | Toshiba
TLP7820(D4ATP4

TLP7820(D4ATP4 - 5 kVrms Isolation Amplifier | Toshiba

Toshiba Semiconductor and Storage TLP7820(D4ATP4 is an isolated analog-output amplifier intended for high-accuracy current sensing and isolated power-management systems. The verified product information identifies a 5000 Vrms isolation rating, differential analog output, one isolation channel, and an 8-pin SO8L (LF4) surface-mount package. It is specifically associated with motor phase-current sensing and inverter current- or voltage-sensing applications. An isolation amplifier is an optically isolated analog-signal-conditioning IC that transfers a measurement from a high-potential or electrically noisy domain to a low-potential control domain while maintaining galvanic isolation. In the signal-chain hierarchy, it sits above current sensors and shunts as a precision interface, above analog amplifiers as an isolation-aware signal conditioner, and ultimately within the broader power-management and industrial-control semiconductor category. Its primary purpose is to improve system safety and measurement integrity when the sensed current is connected to a high-voltage power stage. The key verified characteristics are the TLP7820 family's 5000 Vrms reinforced isolation capability, analog output topology, one-channel configuration, and 8-SO package. Toshiba positions the device for motor phase-current and voltage sensing in inverter systems, where accurate feedback is required to control power conversion. Its isolation barrier allows measurement information to cross the high-voltage boundary without a direct galvanic connection between the sensing side and the controller side. Technically, the device belongs to Toshiba's optically isolated amplifier family rather than a conventional digital isolator. The verified distributor records describe it as a one-circuit differential isolation amplifier with an analog output. The supplied results do not provide detailed gain, offset, bandwidth, input-current, supply-voltage, common-mode, or accuracy figures, so those values should be confirmed in the Toshiba datasheet before selecting resistor values, setting filter bandwidth, or calculating a measurement error budget. Typical applications include three-phase inverter motor control, industrial motor-drive feedback, servo-amplifier current monitoring, power-converter phase-current measurement, isolated power-supply diagnostics, and regenerative-energy system control. In each case, the amplifier can isolate the current-measurement path while conveying a differential analog representation to a controller or analog-to-digital converter. Designers should verify the complete pin assignment, isolation ratings, supply requirements, recommended shunt and input network, and absolute maximum conditions from the manufacturer datasheet. PCB layout is critical: maintain the required creepage and clearance around the isolation barrier, keep the input-side and output-side return paths separate, and provide stable bypassing close to the relevant supply pins. This product record combines the verified Toshiba product identity, isolation class, output type, package, and application positioning with transparent sourcing and a practical comparison framework. It distinguishes verified facts from parameters that require datasheet confirmation, helping engineers locate the correct TLP7820 ordering code without relying on ambiguous cross-reference listings.

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TLP7820(D4BLF4 - 5kV Isolation Amplifier | Toshiba
TLP7820(D4BLF4

TLP7820(D4BLF4 - 5kV Isolation Amplifier | Toshiba

The Toshiba TLP7820(D4BLF4 is a one-channel optically isolated amplifier with a differential analog output, 5 V supply operation, and 5000 Vrms galvanic isolation in an 8-pin SO8L package. Designed primarily for accurate DC current measurement, it supports motor phase-current and inverter-current sensing by amplifying the voltage developed across an external shunt resistor while electrically separating the sensing path from the high-voltage power stage. An isolation amplifier is a signal-conditioning IC that transfers an analog measurement across a galvanic-isolation barrier while providing signal amplification and common-mode rejection. The TLP7820 belongs to the optically isolated amplifier category, which is part of the broader interface IC and industrial signal-conditioning hierarchy. Its optical isolation barrier helps protect low-voltage measurement circuitry from high-side motor-drive voltages while preserving accurate current information. Key device attributes include a one-channel isolation amplifier configuration, analog differential output, 5 V operation, 5000 Vrms isolation rating, and an 8-pin SO8L package. The precision-amplifier-based signal path is intended for DC current measurement rather than general-purpose AC isolation. Differential output helps reject common-mode voltage and noise present across the external shunt, improving measurement fidelity in electrically noisy power-electronic systems. Toshiba positions the TLP7820 for electronic motor drives where current flows through an external resistor and the resulting analog voltage drop is sensed by the isolation amplifier. The isolation barrier allows the sensor interface to remain electrically separate from the inverter or motor supply. Compared with a discrete shunt amplifier and optocoupler combination, the integrated device can reduce board area and simplify signal-chain assembly, although system-level creepage, capacitance, and layout requirements still require careful review. Typical applications include motor phase-current monitoring, inverter current sensing, power-converter feedback, industrial motor controls, and isolated DC measurement systems. These systems benefit from the 5000 Vrms isolation capability and analog output while requiring suitable input filtering, supply decoupling, and a low-impedance measurement network. Designers should follow the manufacturer datasheet for the exact pin assignment, recommended shunt value, input range, output configuration, permissible isolation, and application circuit. PCB creepage and clearance must be maintained across the isolation barrier, and the analog input and output paths should be kept compact and away from high-voltage switching nodes. This page consolidates verified manufacturer and distributor information, same-family replacement options, application guidance, and design cautions to support faster component selection and PCB implementation of the TLP7820(D4BLF4.

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TLP7820(D4BTP4 - 5000 Vrms Isolation Amplifier | Toshiba
TLP7820(D4BTP4

TLP7820(D4BTP4 - 5000 Vrms Isolation Amplifier | Toshiba

Toshiba Semiconductor and Storage TLP7820(D4BTP4 is an optically isolated, precision current-sensing amplification IC with an analog output and 5000 Vrms isolation rating, supplied in an 8-pin SO8L (LF4) package. The device supports isolated measurement of DC motor phase current and inverter voltage, combining an internal precision amplifier, isolation barrier, and analog output stage in one compact component. Its key differentiating attributes are the 5000 Vrms reinforced insulation capability, isolation-amplifier topology, differential input arrangement, and gain-rank-B configuration. The D4 designation identifies a variant qualified according to option D4 of EN IEC 60747-5-5. An isolation amplifier is a type of analog signal-conditioning IC used to transfer a measurement across a high-voltage barrier while maintaining galvanic isolation between the sensed circuit and the host electronics. The broader hierarchy is isolation amplifier to signal-conditioning IC to interface IC to semiconductor. Unlike an ordinary shunt amplifier, an optically isolated current-sense amplifier combines measurement and isolation in one package. This allows a controller, inverter, or monitoring system to process a high-current power rail without sharing its ground or exposing its low-voltage electronics to the hazardous domain. The TLP7820 family is specifically associated with accurate DC current measurement and motor phase-current sensing. Its differential input accepts current information from an external shunt, while the internal amplifier provides a scaled analog output suitable for an analog-to-digital converter. The analog output architecture gives designers a continuous voltage representation of measured current and permits system-specific scaling through external components. The product page identifies current sensing, power management, motor phase current sensing, and inverter current and voltage sensing as principal uses. From a practical perspective, the 5000 Vrms isolation rating is the device’s most prominent headline specification. Reinforced isolation separates the measured high-side or low-side power domain from the control side and is useful in industrial drives, traction equipment, renewable-energy inverters, and other systems where a shunt may be positioned at a substantial potential above system ground. Optical isolation also prevents ground currents from contaminating the measurement path, provided the complete channel satisfies applicable creepage, clearance, and installation requirements. The B suffix denotes gain rank B, as confirmed by the Mouser product listing. This rank supports accurate DC current measurement with a built-in precision amplifier, making the part appropriate for motor control feedback where offset, scaling, and channel behavior must remain predictable. Exact input range, gain tolerance, bandwidth, supply requirements, output swing, and temperature limits must be confirmed in the manufacturer datasheet before final design release. A key implementation consideration is that isolation performance depends on the entire board, not only the IC. The input-side and output-side ground domains must remain separated, the device must be placed to satisfy required creepage and clearance distances, and the analog output must be routed away from high-dv/dt switching nodes. The analog trace should be short, referenced to the output-side ground, and protected from capacitive coupling through careful placement of shunt, amplifier, and protection components. This page combines verified manufacturer and distributor information, explicit qualification details, source-backed product options, and application-focused engineering guidance. It distinguishes verified facts from specifications that still require confirmation from the current Toshiba datasheet, helping engineers evaluate the TLP7820(D4BTP4 without relying on incomplete distributor summaries.

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TLP7820(LF4 - 5000 Vrms Isolated Amplifier | Toshiba
TLP7820(LF4

TLP7820(LF4 - 5000 Vrms Isolated Amplifier | Toshiba

Toshiba TLP7820(LF4 is a one-channel optically isolated amplifier with analog output, rated for 5000 Vrms isolation and supplied in an 8-pin SO8L (LF4) package. The verified product data identifies differential sensing and a supply range of 3 V to 5.5 V, while the related distributor listings identify the device for motor phase-current and voltage sensing. Its isolated measurement architecture transfers a differential analog signal across a high-voltage barrier, supporting current feedback and protection functions in inverter and motor-drive systems. The SO8L package and 8-SO outline make it suitable for compact isolated-control boards. An isolation amplifier is a signal-conditioning IC that combines an input stage, an isolation barrier, and an output stage. The input stage measures a differential voltage, the barrier transfers that information while maintaining galvanic separation, and the output stage produces an analog voltage for an analog-to-digital converter or controller. In a motor-drive circuit, this arrangement measures voltage across a shunt resistor without connecting the high-voltage power stage directly to the controller ground. The verified data highlights analog output, differential operation, 5000 Vrms isolation, one circuit, and a 3 V to 5.5 V supply range. These features are directly relevant to current sensing in power converters and inverters. The isolation barrier allows sensing information to cross from a noisy power environment to a control domain while maintaining the required separation between those domains. Toshiba’s product page identifies the TLP7820 as an isolation amplifier and isolated delta-sigma modulator product. The manufacturer data retrieved for the device describes current sensing in electronic motor drives, where motor current flows through an external resistor and the resulting voltage drop is sensed. The D4 qualification information references EN IEC 60747-5-5 option D4 for designated part-number conventions, while the standard LF4 designation is used for the package and ordering variant shown here. Typical applications include three-phase inverter current sensing, motor phase-current measurement, DC-link voltage sensing in inverter systems, power-factor correction current feedback, and isolated gate-driver monitoring. The component is most appropriate when the analog sensor signal must remain galvanically isolated from a controller or ADC input. The primary design consideration is maintaining the manufacturer-specified layout and isolation-clearance requirements. The input network, shunt connection, output filtering, supply decoupling, and isolation barrier must be laid out according to the Toshiba datasheet. The verified data does not provide every pin name, electrical limit, thermal value, or timing parameter, so those details remain marked for data-needed rather than estimated.

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TLP7820(TP4 - 5000 Vrms Isolation Amplifier | Toshiba
TLP7820(TP4

TLP7820(TP4 - 5000 Vrms Isolation Amplifier | Toshiba

Toshiba TLP7820(TP4 is a precision isolation amplifier intended for motor phase-current and voltage sensing, with analog output, 5000 Vrms galvanic isolation, and an SO8L (LF4) package. The verified manufacturer result identifies it as an isolation-amplifier product for electronic motor drives, inverters, and current-sensing systems. An isolation amplifier is a current-isolated signal-conditioning device that transfers a measurement from a high-voltage or high-side domain to a local control domain while limiting conductive coupling. In the broader hierarchy, it belongs to isolated signal-conditioning ICs, interface ICs, and power-management measurement systems. This category is useful when a controller, inverter, or safety system must measure shunt voltage without connecting the measurement ground directly to the high-side power stage. The TLP7820 is designed to sense the voltage generated by an external current-sense resistor. Toshiba describes the typical implementation as motor current flowing through an external resistor, with the resulting analog voltage drop applied to the isolation amplifier. The isolated analog output is then available to a controller for current regulation, protection, diagnostics, and power-converter control. Its 5000 Vrms isolation rating is the principal verified headline specification. The manufacturer lists the device in an SO8L (LF4) package, while distributor records also describe an 8-pin SO surface-mount package. Because the supplied data does not expose the complete electrical tables, input offset, bandwidth, supply voltage, output range, common-mode range, creepage, or temperature limits, those values are intentionally marked as data-needed rather than inferred. Typical applications include motor phase-current sensing, inverter current sensing, electronic motor drives, power-management monitoring, and isolated analog measurement. In each circuit, the external shunt defines the current-to-voltage conversion, while the isolation amplifier provides the signal transfer into the control domain. Designers should verify the complete pinout, isolation creepage, recommended shunt network, decoupling, output filtering, and control-loop bandwidth against the manufacturer datasheet before layout release. The isolation barrier must be implemented with suitable board spacing and cleanliness, and the analog output path should avoid excessive parasitic capacitance. This page combines verified manufacturer and distributor information with explicit data gaps, application guidance, and sourcing context. Because the supplied search results do not establish exact pin-to-pin substitute MPNs, no alternatives are presented as drop-in parts without further verification.

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TLP7830(D4-LF4 - 16-Bit Isolated Delta-Sigma Modulator | Toshiba
TLP7830(D4-LF4

TLP7830(D4-LF4 - 16-Bit Isolated Delta-Sigma Modulator | Toshiba

Toshiba TLP7830(D4-LF4 is a 16-bit optically isolated delta-sigma modulator with digital serial output, 5000 Vrms isolation, and an 8-pin SO8L (LF4) package. Its verified supply range is 3 V to 5.5 V, and the device is intended for motor phase-current sensing, inverter voltage sensing, and other high-voltage isolation applications. An isolated delta-sigma modulator is an isolation amplifier that converts an analog input into a serial digital bitstream. In this signal chain, it belongs to the hierarchy isolation amplifier, isolated measurement IC, signal-conditioning IC, and semiconductor. Optical isolation separates the measured input-side circuitry from the logic-side interface while converting the signal into digital data for subsequent processing. The TLP7830 provides one channel, 16-bit resolution, and a serial interface according to the verified product and comparison data. Its 5000 Vrms isolation rating supports reinforced separation in motor-drive systems, while the compact SO8L package reduces board area compared with larger isolation solutions. The device is supplied for dual-side operation because both the input and output sides require supply rails. Toshiba classifies the TLP7830 as an isolation amplifier and isolated delta-sigma modulator, not as a conventional analog-output amplifier. This distinction matters in design: the downstream receiver must clock and decode the serial bitstream rather than looking for an analog voltage at the output. The verified comparison data identifies a 3 V to 5.5 V supply range, 16-bit resolution, serial interface, and one channel. Typical applications include three-phase motor phase-current monitoring, inverter control feedback, power-converter current sensing, industrial motor drives, and isolated voltage measurement. In these systems, the modulator can provide a digital measurement path across a high-potential barrier while keeping control-side circuitry electrically separate. Designers should verify the exact LF4 pinout and capacitor requirements against the manufacturer datasheet before layout. Input-side and output-side bypass capacitors should be placed close to their associated pins, and the isolation barrier must not be bridged by copper or signal traces. The available web results do not provide complete electrical timing, accuracy, temperature, or package dimensions. This page consolidates the verified Toshiba product information, distributor identifiers, package details, and application context while clearly identifying unavailable parameters. It is intended to support initial component selection, sourcing, and datasheet review rather than replace the manufacturer datasheet during final design sign-off.

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TLP7830(D4-TP4 - 16-Bit Isolated Delta-Sigma Modulator
TLP7830(D4-TP4

TLP7830(D4-TP4 - 16-Bit Isolated Delta-Sigma Modulator

The Toshiba Semiconductor and Storage TLP7830(D4-TP4 is a single-channel, optically isolated delta-sigma modulator with a digital output, 16-bit resolution, and 5000 Vrms isolation. It is supplied in an 8-pin SOIC-compatible package for industrial sensing and control systems. According to the Toshiba product page and distributor records, the device is intended for motor phase-current and voltage sensing, inverter current and voltage sensing, and other applications that transmit analog measurements across a galvanic-isolation barrier. An optically isolated delta-sigma modulator is a signal-chain interface that converts an analog input into a high-resolution serial bitstream while electrically isolating the input side from the output side. The modulator belongs to the broader isolation-amplifier and isolated-data-converter hierarchy, combining sensor conditioning, digital conversion, and reinforced isolation in one package. This makes it useful where a measured voltage must cross a high-potential barrier without a direct conductive connection. The verified product information identifies a serial interface, 16-bit resolution, one channel, dual supply operation, and an SO8L package designation. The manufacturer describes the family as a high-speed digital modulator for serial data transmission. Its digital output allows the received bitstream to be processed by a microcontroller, DSP, or dedicated digital interface, while the isolation barrier supports protection and signal-transfer requirements in power-conversion equipment. The main engineering consideration is that the exact input range, supply-current limits, timing, bandwidth, accuracy, propagation behavior, and pin-level functions are not present in the supplied verified records. Those parameters must be confirmed from the official TLP7830 datasheet before schematic capture, PCB layout, firmware configuration, or production release. The distributor listings also identify package naming variations such as 8-SO and SO8L, so engineers should confirm the exact ordering code and mechanical drawing. Typical use cases include three-phase inverter control, motor phase-current monitoring, isolated voltage measurement, industrial power conversion, and digital control systems. The device is especially relevant where a sampled analog quantity must be transferred across an isolation barrier and converted into data that a digital controller can process. The isolation rating, serial format, resolution, and package are the primary selection parameters confirmed by the supplied data. For PCB implementation, preserve the isolation barrier, place input and output return paths according to the manufacturer layout guidance, and verify whether the selected package uses the SO8 or SO8L creepage and clearance dimensions. Do not infer pin functions from the generic isolated-amplifier category; use the official pinout and application information. The available distributor results show active or stocked offerings from multiple channels, but pricing, stock, lead time, and lifecycle status should be confirmed at the time of quotation. This page consolidates the verified Toshiba and distributor information, isolates the confirmed product identity and package details, identifies application-fit questions, and records unverified technical parameters as data-needed rather than guessing. It is intended to support initial component search, datasheet retrieval, sourcing checks, and engineering review.

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TLP7830(D4KWJT4E - Isolated Delta-Sigma Modulator | Toshiba
TLP7830(D4KWJT4E

TLP7830(D4KWJT4E - Isolated Delta-Sigma Modulator | Toshiba

The Toshiba TLP7830(D4KWJT4E is a 1-bit optically isolated second-order delta-sigma modulator that converts an analog input signal into a high-speed digital data stream. It provides galvanic isolation through optical coupling, supports digital output, and is specified in the SO8L (LF4) package. The manufacturer identifies the device for motor phase current and voltage sensing, inverter current and voltage sensing, and other isolated measurement systems. Its isolation rating is 5000 Vrms. An isolated delta-sigma modulator is a signal-conditioning semiconductor that combines analog-to-digital conversion, digital data transmission, and galvanic isolation in one package. The analog input is modulated by the optically isolated modulator and represented as a serial bitstream, allowing a host system to reconstruct the measured signal digitally. The TLP7830 is therefore positioned within the hierarchy of isolation amplifier, isolated ADC, and isolated signal-chain ICs. Key verified features include 1-bit delta-sigma operation, optical isolation, a digital output, 5000 Vrms isolation, and an SO8L (LF4) package. The 1-bit output format simplifies the interface between the isolated front end and downstream digital processing, while the isolation barrier helps protect host circuitry from high-side voltage potentials. The manufacturer specifically highlights motor phase current sensing and inverter current or voltage sensing as suitable applications. The device is intended for industrial power-conversion systems where measurement signals cross a high-voltage isolation barrier. In a motor controller or inverter, the isolated modulator can transfer an analog feedback signal to a controller without providing a direct conductive path between the measured power domain and the logic domain. Digital decoding, filtering, and calibration remain part of the downstream signal-processing chain. Typical system placements include three-phase motor drives, inverter control boards, isolated current-feedback channels, and industrial measurement equipment. Designers should evaluate the complete input, logic, timing, isolation, and filtering specifications against their system requirements before finalizing the PCB layout. The available verified data identifies the functional family and isolation rating but does not provide a complete operating-parameter table or detailed pin map for this ordering code. This product page consolidates the verified Toshiba product information, distributor listings, package identity, application positioning, and available comparison information. It also distinguishes what is explicitly verified from parameters that require confirmation in the manufacturer datasheet, avoiding unsupported electrical or timing claims.

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TLP7830(TP4 - 16-Bit Isolated Delta-Sigma Modulator | Toshiba
TLP7830(TP4

TLP7830(TP4 - 16-Bit Isolated Delta-Sigma Modulator | Toshiba

The Toshiba TLP7830(TP4 is a 16-bit optically isolated delta-sigma modulator with a serial digital interface, 5000 Vrms isolation, and an SO8L package. It operates from a 3 V to 5.5 V supply and is intended for motor phase current sensing, inverter current sensing, voltage sensing, and other isolated measurement systems. The modulator converts an analog input into a serial digital representation while maintaining galvanic isolation between the sensed circuit and the downstream control electronics. An optically isolated delta-sigma modulator is an isolation component that transfers a measured analog signal across a galvanic barrier using optical coupling. Unlike a conventional analog isolation amplifier, the TLP7830 family provides a digital serial output suited to microcontrollers, digital converters, and motor-control systems. Its isolation barrier helps prevent high-side or hazardous-circuit voltages from reaching low-side control electronics, while the serial format reduces analog signal-chain requirements downstream. The verified listing identifies the device as a one-channel modulator with 16-bit resolution, serial data output, dual supply operation, and a 3 V to 5.5 V operating supply range. Toshiba lists the product under isolation amplifiers and isolated delta-sigma modulators, with motor phase current and voltage sensing applications. The package is identified as SO8L (LF4), and distributor listings describe it as an 8-pin surface-mount optocoupler. The 5000 Vrms isolation rating is the principal verified safety-related specification. The serial output architecture can simplify connection to a digital controller, but system design must still account for supply sequencing, input signal range, clocking, data decoding, and isolation-rated PCB layout. The manufacturer datasheet should be consulted for the complete input range, timing, accuracy, propagation, isolation, and recommended application details before production release. Typical use cases include three-phase inverter control, motor phase current monitoring, isolated voltage measurement, power-converter feedback, and industrial sensing systems. These applications benefit from the combination of a 16-bit modulator, digital output, and 5000 Vrms isolation, provided the external input network and controller interface are designed to the datasheet requirements. For PCB implementation, keep high-side and low-side copper regions separated according to the datasheet isolation guidance, place bypass capacitors close to the supply pins, and route the serial interface away from the isolation barrier where practical. Verify absolute maximum ratings and creepage, clearance, package, and layout requirements before applying the device in a high-voltage system. This page combines verified distributor information, manufacturer classification, sourcing references, and design-oriented guidance rather than replacing the official datasheet.

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TLP7920(D4 - 5000 Vrms Isolation Amplifier | Toshiba
TLP7920(D4

TLP7920(D4 - 5000 Vrms Isolation Amplifier | Toshiba

Toshiba TLP7920(D4 is an optically isolated, analog-output isolation amplifier with 5000 Vrms galvanic isolation, 230 kHz bandwidth, and an 8-pin DIP package. It is designed to transfer analog measurement signals across high-potential barriers in motor drives, inverters, power converters, and industrial current-sense systems. The input side uses sigma-delta analog-to-digital conversion, while the isolated output reconstructs an analog voltage for downstream measurement and control circuits. An isolation amplifier is a signal-conditioning semiconductor that combines an analog input, digital isolation path, and isolated analog output. Unlike a conventional optocoupler intended primarily for switching or logic signals, the TLP7920 family preserves analog amplitude information while maintaining electrical separation between high-voltage and low-voltage domains. This makes it suitable for current and voltage feedback in systems where ground potentials and switching transients can corrupt measurements. The verified distributor and manufacturer sources identify the TLP7920 family for motor phase-current sensing and inverter current/voltage sensing. The listed part is available in an 8-DIP through-hole configuration, while related Toshiba ordering codes include surface-mount and lead-free variants. The TLP7920(D4 designation is associated with the EN IEC 60747-5-5 Option D4 qualification naming convention, as stated in the Toshiba document search result. The isolation amplifier is intended for current sensing through an external shunt resistor. In a motor-drive circuit, the shunt produces a small differential voltage proportional to phase current, and the TLP7920 transmits that measurement across the isolation barrier. The 230 kHz bandwidth figure supports signal bandwidth requirements in power-conversion systems, while the 5000 Vrms specification identifies the isolation rating used when selecting the component for a high-side or barrier-separated measurement channel. Designers should verify the exact Toshiba ordering code, package variant, input range, output range, supply requirements, and timing characteristics against the relevant datasheet before production release. The supplied search data does not provide a complete authoritative parameter table, so values not explicitly present in the provided material are marked as needed rather than inferred. For PCB design, place the isolation device so the high-voltage and low-voltage copper areas maintain their required creepage and clearance, and route input and output return paths separately.

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TLP7920(D4-A - 5000 Vrms Isolation Amplifier | Toshiba
TLP7920(D4-A

TLP7920(D4-A - 5000 Vrms Isolation Amplifier | Toshiba

The Toshiba TLP7920(D4-A is a precision isolation amplifier with an analog output, 5000 Vrms isolation rating, gain rank A, and an 8-pin DIP package. It is designed for motor phase-current and inverter voltage sensing, where a high-voltage sensing domain must transfer a measured analog signal to a controller across an isolated barrier. An isolation amplifier is an optically isolated signal-conditioning device that combines input amplification, electrical isolation, and output conditioning. In the signal-chain hierarchy, it sits between a sensor or shunt resistor and an analog-to-digital converter or motor-control controller. Its purpose is to preserve measurement information while providing galvanic separation between the input-side power domain and the output-side control domain. The TLP7920 family uses an input-side sigma-delta analog-to-digital conversion technique according to the Toshiba datasheet. The measured input is converted into a digital representation for optical transfer across the isolation barrier, then reconstructed as an analog output on the secondary side. This architecture is intended for current sensing in electronic motor drives, where the sensed voltage across an external shunt is small and isolation from high switching nodes is required. Key application parameters include the 5000 Vrms isolation rating, analog output, gain rank A, 8-DIP package, and a documented operating-temperature range of -40 C to +105 C. The family is associated with a minimum common-mode transient immunity of 15 kV/us. These features make it relevant to motor-control systems, inverter current sensing, phase-current monitoring, and isolated voltage-sensing circuits. When designing around the TLP7920, the shunt or sensing resistor must remain within the input range and power rating of the device, while the controller-side supply and analog input limits must also be respected. The DIP-8 package simplifies through-hole assembly and provides a conventional isolation-amplifier footprint. Because the verified data does not provide complete electrical limits, pin names, pricing tiers, or guaranteed alternative cross-references, those fields remain explicitly marked as data needed rather than inferred. This page combines Toshiba manufacturer information, distributor product records, and the supplied cross-reference results into a technically cautious product reference. It emphasizes application fit, isolation considerations, and the distinction between verified device information and parameters that still require confirmation from the complete manufacturer datasheet.

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TLP7920(D4-B - 5 kVrms Isolation Amplifier | Toshiba
TLP7920(D4-B

TLP7920(D4-B - 5 kVrms Isolation Amplifier | Toshiba

The Toshiba TLP7920(D4-B is an optically isolated, single-channel isolation amplifier with analog differential output, 5000 Vrms reinforced insulation, gain rank B, and an 8-DIP through-hole package. It is designed for current sensing in electronic motor drives and inverter systems. The verified product information identifies a one-circuit isolation-amplifier configuration and a 0.300-inch, 7.62 mm 8-DIP package. The device uses optical isolation between the input and output sides, helping transfer a measured analog signal across a high-voltage barrier without requiring a direct galvanic connection. An isolation amplifier is a signal-conditioning IC that combines an input-side sensor interface, optical or other barrier-isolated signal path, and an isolated analog output. Within the broader hierarchy, the TLP7920 belongs to the isolation-amplifier and optocoupler families of analog and interface semiconductors. Its primary role is to preserve signal integrity while providing current sensing for motor phase conductors, inverter systems, and other power-conversion equipment. The verified manufacturer listing specifies analog output, 5000 Vrms isolation, and D4 qualification wording associated with EN IEC 60747-5-5. The Mouser result also identifies gain rank B, VDE approval, and an 8-DIP package. These attributes make the part suitable where a protected measurement path is required between a high-current power circuit and a controller or monitoring system. The exact input range, gain error, bandwidth, supply requirements, output levels, and temperature limits are not included in the supplied verified data and must be confirmed in the manufacturer datasheet before design release. Typical applications include motor phase-current sensing, inverter current sensing, voltage sensing through an external resistor, power-supply feedback, and isolated analog monitoring. In a motor-drive implementation, a shunt resistor produces a voltage proportional to current, and the TLP7920 transfers that measurement through the isolation barrier to a control system. The analog output allows the receiving controller to process the current information without a direct high-voltage connection. PCB design should preserve the isolation barrier and provide adequate copper clearance and creepage around the package. The through-hole 8-DIP format supports conventional through-hole assembly, while the input and output return paths must remain separated according to the datasheet layout guidance. Do not assume that identical pin numbering or package geometry alone guarantees regulatory compliance; the final system must be checked against its applicable safety standard. This page consolidates manufacturer identification, distributor availability, qualification references, application context, and verified cross-reference information. Numerical parameters absent from the supplied sources are intentionally marked for datasheet confirmation rather than inferred.

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TLP7920(D4-LF1 - 5kVrms Isolated Analog Amplifier
TLP7920(D4-LF1

TLP7920(D4-LF1 - 5kVrms Isolated Analog Amplifier

Toshiba TLP7920(D4-LF1 is an optically isolated, single-channel isolation amplifier with analog output, designed for current sensing in electronic motor drives. It provides 5000 Vrms galvanic isolation, a 3.0 V to 5.5 V output-side supply range, and differential input sensing in an 8-pin surface-mount package. The verified distributor listings identify the device as an 8-SMD isolation amplifier, while the manufacturer classifies it as an isolation amplifier and isolated delta-sigma modulator. An isolation amplifier is an analog signal-conditioning IC that transfers a low-voltage measurement across a high-voltage barrier while maintaining galvanic separation between the sensed circuit and the measurement system. It is commonly used where a motor phase current, inverter current, or power-converter signal must be monitored without connecting the high-energy circuit to low-voltage control electronics. The TLP7920 family is intended for electronic motor drives, where external resistors convert phase current into a measurable voltage. The verified data specifies analog output, 5000 Vrms isolation, and a 3.0 V to 5.5 V output-side supply. Search results also identify an 8-SMD package and a typical output-side supply current of 6.2 mA. The TLP7920(D4-LF1,F ordering code includes the manufacturer’s D4 qualification option; the manufacturer document search result references EN IEC 60747-5-5 option D4, but no additional device-specific parameters were supplied here. The isolation amplifier provides a defined interface between a current-sense resistor and the downstream measurement electronics. In a motor-drive implementation, the sensed voltage is applied to the isolated input side, and the analog output is generated on the output side. This arrangement helps protect control circuitry from high common-mode voltage and ground-potential differences. The exact input range, gain, bandwidth, accuracy, propagation delay, and common-mode limits must be confirmed from the manufacturer datasheet before final design release. Typical applications include three-phase motor inverter monitoring, motor phase-current measurement, inverter current sensing, power-factor monitoring, industrial motor control, and isolated analog measurement. The device is suitable when the design requires reinforced signal separation and an analog output rather than a digital isolated communication interface. The 8-SMD format also supports surface-mount assembly, although the exact PCB land pattern and pin numbering must be taken from the Toshiba datasheet. Designers should verify the input resistor, output-side supply, decoupling, isolation barrier, creepage and clearance, and analog filtering requirements against the manufacturer datasheet. The isolated barrier is a safety and reliability boundary, so PCB layout must preserve the required spacing and avoid placing high-voltage copper beneath or across the isolation region. This page consolidates verified manufacturer and distributor information, available replacement context, and practical design guidance without inventing unprovided electrical values.

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TLP7920(D4-TP1 - 5kVrms Isolation Amplifier | Toshiba
TLP7920(D4-TP1

TLP7920(D4-TP1 - 5kVrms Isolation Amplifier | Toshiba

Toshiba Semiconductor and Storage TLP7920(D4-TP1 is a single-channel optically isolated amplifier with analog output and 5000 Vrms isolation, supplied in an 8-SMD gull-wing package. It is designed primarily for current sensing in electronic motor drives, where an external shunt resistor converts motor current into a voltage that must be measured across a high-voltage barrier. An isolation amplifier is a signal-conditioning semiconductor that transfers a low-voltage analog measurement across a galvanically isolated barrier while electrically separating the input side from the output side. Within the product hierarchy, the TLP7920 is an optically isolated isolation amplifier, a specialized interface IC used for motor phase current sensing, inverter voltage sensing, and other systems requiring reinforced signal isolation. The verified product information identifies one isolation-amplifier circuit, an analog output, 5000 Vrms isolation, and an 8-SMD gull-wing package. The D4 ordering option is associated with qualification to option D4 of EN IEC 60747-5-5, as stated in the Toshiba TLP7920 and TLP7920F datasheet. This qualification information makes the part relevant to industrial power-conversion equipment where isolation requirements and component pedigree are important. The TLP7920 family is intended for electronic motor drives. In a typical implementation, motor current passes through an external resistor, and the resulting analog voltage drop is presented to the isolated input side. The device reconstructs a corresponding signal on the output side, allowing a controller to monitor phase current without creating a conductive connection between the high-side power stage and the control electronics. Typical uses include three-phase motor inverters, industrial motor-control systems, power-factor-correction converters, and inverter current monitoring. Its principal benefit is the combination of analog signal transfer and 5000 Vrms galvanic isolation. Compared with an ordinary differential amplifier, it can place the sensing front end directly across a shunt in a high-side or floating power stage while protecting the controller from that high-side voltage. Designers should verify the complete ordering code, package drawing, isolation rating, input range, output range, accuracy, bandwidth, and recommended shunt-resistor network against the current Toshiba datasheet before release. The verified search excerpts confirm the electrical role and isolation class but do not provide all numerical performance limits, so unsupported values should not be inferred. This page consolidates manufacturer qualification information, distributor availability, package details, application context, and honest cross-reference findings. Unlike a generic distributor listing, it also distinguishes verified drop-in replacements from mechanically similar but non-pin-compatible TLP7920 ordering variants.

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TLP7920(D4ALF1 - 5kVrms Isolation Amp | Toshiba
TLP7920(D4ALF1

TLP7920(D4ALF1 - 5kVrms Isolation Amp | Toshiba

Toshiba TLP7920(D4ALF1 is a one-channel isolation amplifier with a differential analog output, 5000 Vrms isolation rating, and an 8-SMD gull-wing package for motor phase-current and voltage sensing. The device is intended to transfer a low-level differential input across an isolation barrier while providing an analog output suitable for measurement and control systems. An isolation amplifier is a specialized interface IC that combines signal conditioning with galvanic isolation between an input sensing circuit and an output processing system. In the broader power-management and signal-chain hierarchy, it belongs to the isolation-amplifier and isolated-measurement IC family. Its primary role is to reject large common-mode voltage differences, protect sensitive circuitry, and preserve measurement integrity across high-voltage motor-drive environments. Verified product information identifies one internal channel, differential output, analog output, 5000 Vrms isolation capability, and an 8-SMD gull-wing package. The analog-output architecture makes the device suitable for systems that require continuous proportional information rather than isolated digital communication. The verified distributor record also identifies the part as an isolation amplifier intended for electronic motor drives. In a typical implementation, motor current flows through an external shunt resistor and produces a small differential voltage proportional to current. The TLP7920(D4ALF1 conditions that voltage and delivers an isolated analog representation to a controller or monitoring circuit. This arrangement supports motor phase-current control, inverter current sensing, and protection functions where the sensing node can be exposed to substantial switching voltage. The isolation barrier helps separate the high-voltage sensing domain from the lower-voltage control domain. This separation is particularly valuable in industrial motor inverters, where shunt amplifiers must reject switching transients and common-mode voltage while maintaining a proportional output for measurement. The device can therefore be evaluated for isolation, gain accuracy, bandwidth, input range, output behavior, and temperature performance during design review. A key engineering consideration is that the complete measurement accuracy depends on the external shunt, input filtering, reference design, and isolation performance in addition to the amplifier itself. Component values should be selected according to the Toshiba application information, and the PCB should preserve the isolation barrier and minimize capacitive coupling across it. This page combines the verified manufacturer and distributor records, exact pricing evidence, package information, commercial availability, and cross-reference findings. It also distinguishes the SMD TLP7920(D4ALF1 from related DIP-packaged TLP7920 variants so engineers do not treat a different package as a true drop-in replacement.

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