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ICE3RBR0665JZXKLA1 - 650V CoolSET Flyback SMPS | Infineon
The Infineon ICE3RBR0665JZXKLA1 is an off-line SMPS current-mode controller IC with an integrated 650V CoolMOS power switch and an integrated start-up cell, housed in a 7-pin PG-DIP-7-1 (DIP-7) through-hole package. It combines a PWM controller, a 650V MOSFET, and start-up circuitry in one IC, reducing component count for isolated AC/DC flyback converters. The fixed switching frequency is 65 kHz, and the breakdown voltage of the integrated CoolMOS is 650V, enabling universal-input offline designs from 85VAC to 265VAC. A current-mode PWM controller is a control IC that regulates output by sensing the current through the main power switch on a cycle-by-cycle basis, providing inherent peak-current limiting and simplified loop compensation. Within the broader taxonomy, an SMPS controller falls under AC-DC converters -> power management IC -> semiconductor. The CoolSET family further integrates the high-voltage MOSFET into the same package, which makes it distinct from controllers that require an external FET and from fully integrated modules. Key features of the ICE3RBR0665JZXKLA1 include a 650V integrated CoolMOS with a maximum on-resistance per the CoolSET F3R family datasheet, a 65 kHz fixed switching frequency, auto-restart protection for open-loop, VCC overvoltage, and overload faults, and an extended operating temperature range down to -40C. According to the manufacturer datasheet, the VCC supply range is 10.5V to 25V and the duty cycle maximum is 75%, supporting compact adapter and auxiliary-supply designs. Typical applications include low-power AC/DC adapters (smartphone chargers, set-top boxes, DVD players), standby and auxiliary supplies for white goods and industrial equipment, and isolated auxiliary rails in motor drives and metered appliances. The integrated start-up cell eliminates external bleeder resistors and reduces standby power, while the integrated 650V switch withstands universal mains transients. When designing with this part, designers must observe the VCC start-up threshold (18V typical) and select a VCC hold-up capacitor sized for the desired burst-mode entry threshold. The PG-DIP-7-1 package provides adequate creepage for reinforced isolation when paired with a through-hole transformer construction. Designers should follow the Infineon CoolSET design guide for snubber and RCD clamp values.
ICE3RBR1765JGXUMA1 - 650V Offline Flyback CoolSET | Infineon
The Infineon ICE3RBR1765JGXUMA1 is a 650V breakdown-voltage offline flyback AC-DC converter and switching controller integrated in a PG-DSO-12-19 (DSO-16/12) surface-mount package. It operates at a nominal switching frequency of 65 kHz (datasheet maximum 67.6 kHz), supports a 10.5 V to 25 V Vcc supply range, and delivers up to 75% maximum duty cycle. The IC combines a 650 V power MOSFET with current-mode PWM control to drive isolated and non-isolated flyback converters directly from rectified mains. An AC-DC offline switching converter is a power-management IC that converts rectified AC mains (typically 85-265 VAC) into one or more regulated DC output rails using a flyback transformer topology. The CoolSET family from Infineon integrates the high-voltage power switch, current-sense controller, and protection logic into a single monolithic device, replacing discrete implementations that require separate PWM controllers and external MOSFETs. Within the broader power-management hierarchy, the CoolSET sits between primary-side controllers and fully integrated modules (DC-DC converters), targeting low-to-medium-power SMPS designs. Key features include BiCMOS technology with active burst mode for ultra-low standby power (well below 100 mW), built-in frequency jitter to ease EMI compliance, soft gate driving to limit switching losses, propagation-delay compensation for accurate duty-cycle control, built-in soft-start, and extendable blanking time for overload protection. An external auto-restart enable pin provides flexible fault recovery. These integrated features reduce external BOM count by typically 15-20 components versus discrete implementations. The device uses a BiCMOS process node optimized for high-voltage switching, pairing a 650V-rated MOSFET drain with low-power CMOS control logic. Current-mode control provides inherent cycle-by-cycle current limiting and simplified feedback loop compensation compared to voltage-mode control. Frequency jitter spreads switching noise spectrum to ease conducted EMI filtering requirements. Typical applications include auxiliary supplies for white goods and home appliances, standby power for TVs and set-top boxes, low-power adapters, and industrial control board housekeeping rails. The active burst mode enables energy-star compliance with standby power typically below 100 mW. When designing, ensure adequate Vcc hold-up capacitance to ride through short mains dropouts and verify transformer leakage inductance is below 5% of primary inductance to prevent avalanche stress on the integrated 650V MOSFET. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer summary page.
ICE501LDXTMA1 - CoolSET G5 65kHz Flyback Controller | Infineon
The Infineon ICE501LDXTMA1 is a CoolSET PWM fixed-frequency 5th-generation flyback controller IC with integrated 800V MOSFET, packaged in an 8-pin PG-DSO-8 (DSO-8 with exposed pad) outline. It is optimized for off-line switch-mode power supplies (SMPS) using isolated flyback topology at a fixed switching frequency of 65 kHz. The device combines a current-mode PWM controller with a high-voltage power MOSFET and comprehensive protection circuitry in a single chip, eliminating the need for an external switching transistor in low-to-medium power AC/DC converters. A flyback controller is a type of switched-mode power supply (SMPS) controller that regulates output voltage by periodically storing energy in the primary-side transformer inductance during the switch on-time, then releasing it to the secondary side during the off-time. The ICE5 family belongs to the AC-DC converter category within power management ICs, and is specifically engineered for quasi-resonant or fixed-frequency discontinuous conduction mode (DCM) operation in adapters, white goods, and auxiliary supplies. Key features include a 65 kHz fixed switching frequency, integrated 800V avalanche-rugged MOSFET, built-in soft-start, frequency jittering for low EMI, and comprehensive protection functions: over-current protection (OCP), over-voltage protection (OVP), over-temperature protection (OTP), over-load protection (OLP), VCC under-voltage lockout (UVLO), and auto-restart after fault. The PG-DSO-8 package provides a low thermal resistance path, supporting continuous operation at elevated ambient temperatures. From an architectural standpoint, the device uses a current-mode control scheme with leading-edge blanking to suppress transformer leakage spike false tripping. The integrated 800V MOSFET allows direct connection to a rectified 230V AC mains without an external depletion-mode start-up device, simplifying the bill of materials. The PG-DSO-8 package is pin-compatible with the wider CoolSET ICE2/ICE5 family, enabling PCB layout reuse across power-rating variants. Typical applications include 5W to 15W AC/DC adapters for white goods and consumer electronics, standby and auxiliary power supplies for major home appliances, LED lighting drivers, and metering power supplies. The 800V MOSFET rating provides sufficient voltage margin for universal AC input (85V to 265V AC) designs. When designing with this device, ensure the transformer primary inductance and snubber network are sized for the chosen switching frequency and maximum duty cycle. The exposed pad must be soldered to a sufficient copper pour for thermal dissipation, and VCC hold-up capacitance must be sized to ride through short brown-out events without the controller re-entering start-up.
ICE5ASAGXUMA1 - 5th Gen Fixed Frequency Flyback PWM Controller | Infineon
The Infineon ICE5ASAGXUMA1 is a 5th-generation fixed-frequency flyback PWM controller from the CoolSET family, integrating a 700V MOSFET and controller in a single PG-DSO-8 (DPAK-equivalent) package and switching at up to 100 kHz. The combined IC delivers up to 10V/20mA on its internal supply and accepts a wide VCC range suitable for offline SMPS designs. Its cascode-configured 700V startup cell provides fast, robust startup, and a 3-level selectable entry/exit threshold simplifies brown-in/brown-out protection tuning. What is an offline flyback PWM controller with integrated MOSFET? It is a power-supply controller that regulates energy transfer in a flyback (isolated buck-boost) topology by switching the primary of a coupled inductor at fixed frequency, where the controller and high-voltage switch are monolithically combined in a single SO-8/DPAK-style package. In the broader taxonomy, it is a sub-class of switched-mode power supply (SMPS) controllers, which sit under power management ICs and serve as the core of isolated AC-DC converters used in adapters, open-frame power supplies and auxiliary supplies. Key features of the ICE5ASAGXUMA1 include 100 kHz maximum switching frequency, 700V integrated MOSFET breakdown voltage, 9.4V to 27V VCC operating range (with brown-in protection), and comprehensive protection suite: overload, over-temperature, VCC over/under-voltage, open-loop, and output over-voltage protection. The 3-level selectable entry/exit threshold lets designers trade standby power against immunity to mains dips. Technically, the device uses current-mode control with a precise internal reference, supporting both quasi-resonant-like valley skipping and fixed-frequency operation. The integrated cascode startup stage eliminates the external startup resistor network, shrinking the BOM and improving no-load consumption. Typical applications include low-power AC-DC adapters (5W-15W), auxiliary supplies for white goods and industrial equipment, standby SMPS for set-top boxes, and isolated LED drivers. When designing with this part, ensure that the VCC capacitor value is sized per the Infineon demoboard reference and that the CS pin current-sense resistor handles peak primary current with adequate margin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer single-page summary.
ICE5QR0680AGXUMA1 - 800V QR CoolSET 42W Flyback | Infineon
The Infineon ICE5QR0680AGXUMA1 is a 5th-generation quasi-resonant CoolSET™ AC/DC power conversion IC integrating a 800V P7-generation power MOSFET with 0.8 Ω RDS(on) (max) and a current-mode PWM controller in a 12-lead PG-DSO-12-21 (16-SOIC body with 12 leads) package. It targets offline flyback topologies with output power up to 42 W and supports VCC operation from 10.5 V to 24 V with 0.9 mA supply current, according to the Infineon CoolSET datasheet. The IC implements digital frequency reduction, cycle-by-cycle peak current limitation, selectable active burst mode, digital soft-start, and cascode-configured rapid startup. A quasi-resonant CoolSET is a class of monolithic AC/DC switcher that combines a high-voltage MOSFET and a current-mode controller in one package, allowing the engineer to design an isolated or non-isolated flyback converter with minimal external components. The CoolSET family belongs to the broader category of AC/DC converters and offline switchers, sitting inside the power-management IC hierarchy used in SMPS (switched-mode power supply) designs. The QR (quasi-resonant) variant forces the MOSFET to turn on at the valley of the drain-voltage ringing, reducing switching losses and EMI compared to hard-switched DCM converters. Key features include a 700 V / 800 V integrated P7 MOSFET with 0.8 Ω maximum on-resistance, 2-level selectable active burst mode for light-load efficiency, line-input over-voltage and brown-in/out protection, VCC short-to-ground protection, output over-load protection (OLP), and output-short protection. The cascode-configured startup path delivers fast, adjustable startup, while the digital soft-start controls transformer inrush during power-up. Together these blocks let designers meet ENERGY STAR and EU eco-design standby targets without an external supervisor IC. Typical applications include auxiliary and standby supplies for white goods, LCD TV standby rails, ATX PC standby, game-console standby, set-top-box adapters, e-bike chargers, and general-purpose industrial SMPS modules rated below 42 W output. The high-rail breakdown voltage (800 V) provides wide margin on 265 V AC rectified mains and improves surge robustness on Indian and Brazilian grids. When designing with this CoolSET, ensure the VCC capacitor and auxiliary winding supply keep VCC within 10.5 V to 24 V across all load steps, and respect the SOA of the integrated MOSFET at high line and peak loads. Mount the exposed pad on sufficient copper (≥ 1 sq inch recommended) to keep the junction below 125 °C at 42 W continuous output.
ICE5QSBGXUMA1 - 27W QR Flyback PWM Controller | Infineon
The Infineon ICE5QSBGXUMA1 is a 5th-generation quasi-resonant (QR) flyback PWM controller in the CoolSET family, integrating a 750 V CoolMOS MOSFET and PWM control circuitry into a single PG-DSO-8 package. It is engineered for offline AC/DC switched-mode power supplies targeting auxiliary supplies, smart meters, and low-power adapters up to approximately 27 W. The controller operates from a wide VCC range and uses valley switching for low EMI and high efficiency across load. A flyback converter is the dominant topology for low-to-medium power isolated AC/DC supplies because it provides galvanic isolation and multiple outputs with a single magnetic element. Quasi-resonant control improves on hard-switched PWM by switching the MOSFET on at the drain-source voltage valley, which reduces switching losses and EMI. The CoolSET product line from Infineon packages this QR controller plus the high-voltage power MOSFET into a single IC, eliminating the need for a separate switch and shrinking the BOM. Key features include integrated 750 V MOSFET, quasi-resonant valley switching, built-in soft-start, frequency reduction at light load, and a comprehensive protection suite that covers over-current, over-voltage, over-temperature, overload, open-loop, and VCC under-voltage. The device is targeted at universal-input (85 V to 265 V AC) designs with > 82 percent typical efficiency, simplifying EN 62368-1 and Energy Star compliance for white goods and industrial auxiliary rails. The ICE5QSBG uses current-mode control with cycle-by-cycle current limiting and a 65 kHz base switching frequency. Frequency foldback at low load reduces switching losses and improves light-load efficiency to meet EuP/CoC Tier 2 standby targets below 75 mW. The IC supports burst-mode operation for sub-100 mW standby, which is critical for always-on appliances. Typical applications include 5 V to 12 V auxiliary supplies for white goods and major appliances, smart-meter and IoT gateways, bias supplies for industrial PLCs, set-top box standby rails, and small open-frame adapters for lighting controls. The PG-DSO-8 footprint with high-voltage clearance makes it suitable for through-hole or SMD layouts where PCB creepage must exceed 6 mm. When designing with this controller, allow adequate creepage between the DSO-8 package and any low-voltage secondary traces to satisfy IEC 62368-1. The VCC hold-up capacitor value must be sized so that VCC never collapses below UVOFF during start-up under worst-case AC line conditions. Place the current-sense resistor close to the SOURCE pin to minimize parasitic inductance in the gate-drive return path. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including the parametric deltas between the ICE5QSBG and the wider CoolSET 5th-generation family to help engineers select the right IC for their topology and power level.
ICL5102XUMA2 - PFC + Resonant HB LED Driver | Infineon
The Infineon ICL5102XUMA2 is a highly integrated AC-DC LED driver IC combining a power factor correction (PFC) controller and a resonant half-bridge (HB) controller in a single 16-pin PG-DSO-16-23 package, designed for LCC and LLC topologies in solid-state lighting. It accepts a universal input range of 70V to 325V, supports fixed or variable switching frequency control, and provides a half-bridge switching frequency up to 1.3 MHz, enabling compact magnetic designs for high-power LED drivers and industrial power supplies. An AC-DC LED driver is an integrated power management IC that converts mains AC voltage into a regulated DC current for driving high-brightness LEDs. The ICL5102 specifically integrates a PFC stage with a resonant half-bridge stage, eliminating the need for a separate PFC controller IC and reducing the overall BOM count. This combination IC category sits within the broader hierarchy of LED driver ICs -> power management ICs -> integrated circuits -> semiconductors, and is optimized for high-efficiency, high-power-factor lighting applications. Key specifications include support for LCC and LLC resonant topologies, integrated 600V half-bridge gate drivers, burst-mode operation for low standby power, and comprehensive protection features including over-current, over-voltage, over-temperature, and brown-out protection. The device operates with adaptive dead-time control to optimize efficiency across load conditions. Its 70V-325V universal input range enables global design reuse for 110V and 220V mains without component changes. Architecturally, the ICL5102 uses a fixed or variable switching frequency control scheme with a combined PFC + resonant controller topology. The resonant HB stage supports both LCC and LLC tank circuits, allowing designers to select the optimal topology for their application's efficiency and cost targets. The integrated high-voltage startup cell reduces external component count. Typical applications include high-power LED street lights, industrial high-bay luminaires, horticultural lighting drivers, and AC-DC power supplies requiring high power factor and resonant conversion. The wide input range also supports flyback-forward and boost-PFC front-end stages in industrial systems. When designing with the ICL5102, engineers should pay close attention to the resonant tank component selection and feedback loop compensation to achieve optimal efficiency and THD performance. The integrated PFC + HB topology requires careful PCB layout to minimize noise coupling between the PFC and resonant stages. According to the Infineon datasheet, the burst-mode threshold should be configured based on the minimum load requirement of the application to maintain high efficiency at light load. This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, parametric drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing actionable information for power supply and lighting engineers.
ICL7660SCBAZ - 45mA CMOS Voltage Converter, 8-SOIC | Renesas
The Renesas ICL7660SCBAZ is a monolithic CMOS Super Voltage Converter IC that delivers inverting charge-pump conversion from a +1.5V to +12V supply to a complementary -Vin output, capable of sourcing up to 45 mA of load current. Housed in an 8-pin SOIC (0.154 inch / 3.90 mm body width) package, the ICL7660S serves as a direct, pin-compatible upgrade to the industry-standard ICL7660, adding an extended 12 V supply range and a Frequency Boost (FC/BOOST) pin that lets designers raise the internal oscillator above the audio band to shrink the external pump capacitors. A charge-pump switched-capacitor voltage converter is a DC-DC topology that uses capacitors instead of inductors to shift voltage rails, producing a negative output from a positive input (inverter mode) or a doubled positive output (doubler mode, with external diodes). It belongs to the switched-capacitor converter family within the broader category of voltage regulators and power management ICs, sitting architecturally between linear regulators (low efficiency, no EMI) and inductive switching regulators (high efficiency, noisy). The ICL7660S family replaces the need for a discrete op-amp + capacitor network or an auxiliary negative rail in systems that run from a single positive supply. Key specifications include a typical supply current of 80 uA at 5 V, a power conversion efficiency of 98% at Rl = 5 kohm, a 10 kHz nominal oscillator frequency (boostable via FC), and operation guaranteed from -40°C to +85°C industrial temperature range. The 8-SOIC surface-mount package offers a small footprint (about 30 mm²) suitable for dense analog front-end boards, and the CMOS process delivers low quiescent drain on the host supply. The architecture uses an internal four-MOSFET switch network driven by a CMOS ring oscillator that alternately charges and discharges the pump capacitor C1, then transfers the charge to the reservoir capacitor C2 with polarity inversion. The BOOST pin shorted to V+ raises the oscillator frequency, allowing ceramic or smaller-value capacitors to substitute for the conventional 10 uF electrolytic reservoir. A LV pin optimizes operation below 5 V for low-voltage battery systems. Typical applications include generating a negative bias rail for op-amps, RS-232 line drivers, LCD contrast supplies, and data-acquisition front ends. The 45 mA output current comfortably biases multiple op-amp stages from a +5 V logic supply without requiring an isolated or inverting transformer. It is also used as a cost-effective doubler when external steering diodes are added. When designing with the ICL7660SCBAZ, observe that no-load quiescent current rises with supply voltage, and that output impedance is approximately 70 ohm at 5 V. Decouple V+ with 0.1 uF ceramic close to pin 8, place pump and reservoir capacitors as close as possible to pins 2/4 and pin 5, and avoid using the device directly above 10 kHz without the BOOST pin engaged, otherwise conducted EMI may couple into audio stages. This page synthesizes distributor inventory and parametric drop-in alternatives for the ICL7660SCBAZ, plus practical PCB-layout and decoupling guidance drawn from the manufacturer datasheet, complementing the Renesas ICL7660S/ICL7660A datasheet.
ICM7228AIPI - 8-Digit LED Display Driver, 28-PDIP | Intersil
The Intersil ICM7228AIPI is an 8-digit, microprocessor-compatible, CMOS LED display decoder driver housed in a 28-pin PDIP (Plastic DIP) through-hole package, designed to multiplex and drive common-cathode 7-segment LED displays with minimal external components. The device integrates an on-chip BCD/hexadecimal decoder, segment current-limiting resistors, and digit multiplexing logic, reducing the host microcontroller's pin-count burden to a single 8-bit data bus plus control lines. The ICM7228A operates from a single 5 V supply and supports display digit counts from one to eight digits, selected by software. An LED display driver is a specialized integrated circuit that decodes numeric or alphanumeric data from a parallel microprocessor bus into the segment and digit signals required by a 7-segment LED display, while also performing the time-division multiplexing that drives multiple digits from a single driver. It belongs to the broader family of PMIC display drivers (Power Management IC > Display Driver), which also includes LCD segment drivers, OLED drivers, and vacuum-fluorescent drivers. By integrating the multiplexing counter and decoder, the ICM7228 eliminates the software overhead and external logic that would otherwise be required for refresh, freeing the host CPU for other tasks. The ICM7228AIPI variant provides an 8-bit bidirectional data bus interface and supports the standard multiplexed 7-segment common-cathode LED architecture. According to the Renesas/Intersil datasheet, the device features on-chip 8-bit segment current drivers and on-board multiplex counter, with software-configurable digit count. Operating supply voltage is 5 V nominal with an operating temperature range of -20 C to +85 C (industrial grade, denoted by the I suffix). Compared with the predecessor ICM7218 family, the ICM7228A/B adds a single-digit access mode for indicator-style displays. The CMOS process technology provides low power dissipation, suitable for instrumentation, panel meters, and industrial front-panel readouts. The driver interfaces directly with 8-bit microprocessors and supports either BCD or hexadecimal decoding via the mode-select pin, allowing the same chip to drive both decimal numeric and hexadecimal alphanumeric displays without hardware changes. Typical applications include digital panel meters, frequency counters, multimeter readouts, scoreboard displays, instrumentation front panels, and industrial control human-machine interface (HMI) panels where a numeric or hexadecimal LED readout is required. The 28-PDIP package remains a preferred choice for through-hole prototype, hobby, and legacy industrial designs where socketed or hand-solderable parts are valued over SMD alternatives. When designing with the ICM7228AIPI, ensure that the segment current-setting resistor (RSET) is calculated against the LED forward voltage and desired average segment current; the on-chip multiplex counter drives one digit per time slot, so peak segment current is roughly N times the average current for an N-digit display. Always observe the absolute maximum supply voltage and segment voltage ratings stated in the manufacturer datasheet to avoid catastrophic failure of the CMOS output stages.
ICM7228BIPI - 8-Digit LED Display Driver DIP-28 | Intersil
The Intersil ICM7228BIPI is a CMOS integrated circuit that interfaces microprocessors to an 8-digit, 7-segment numeric LED display, housed in a 28-pin PDIP through-hole package. It integrates segment decoders, multiplex scan circuitry, segment and digit drivers, and an 8x8 static memory into a single IC, eliminating the need for external driver transistors or refresh logic. The device operates from a single 5V supply and sinks segment current directly through internal drivers rated to drive common-cathode LED displays. An LED display driver is a category of power management / display driver IC that converts parallel or serial digital data into multiplexed segment-drive waveforms suitable for 7-segment numeric or 14/16-segment alphanumeric displays. Within the broader taxonomy, ICM7228BIPI sits at LED Display Driver -> Display Driver -> PMIC -> Power Management -> Integrated Circuit, and serves as a turnkey human-machine interface solution for instruments, meters, and point-of-sale terminals. Key features include two on-board 7-segment decoder types (Type B for hexadecimal display), 8-byte static RAM that holds digit data independently of the microprocessor, separate segment and digit driver outputs sized for typical LED common-cathode arrays, and a 4-bit data bus with chip-select and write-strobe inputs that allow multiplexing multiple ICM7228 devices on the same bus. The B-suffix variant supports hexadecimal decoding (0-9, A-F) with leading zero blanking, making it suitable for both decimal instrumentation readouts and hex debug displays. Typical applications include digital panel meters, frequency counters, bench multimeters, industrial process controllers, point-of-sale terminals, instrumentation readouts, and any embedded system that needs to drive a multiplexed 8-digit LED display from a microcontroller without dedicating processor cycles to refresh. The wide operating temperature range supports both industrial and commercial deployments. When designing with this part, ensure the segment current-setting resistor values are chosen to limit peak segment current below the device's absolute maximum rating (refer to the manufacturer datasheet for the exact value), and add bulk decoupling close to VCC and GND. The 28-pin PDIP footprint is generous and easy to hand-solder or breadboard, making the part popular in legacy designs, education kits, and hobby projects where SMD parts would be inconvenient. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single source for evaluating the ICM7228BIPI for new designs and field replacements.
ICM7228DIJI - 8-Digit LED Display Decoder Driver, PDIP-28 | Harris
The Intersil ICM7228DIJI is an 8-digit, microprocessor-compatible, LED display decoder driver housed in a 28-pin PDIP package. It integrates dual 7-segment decoders, multiplex scan circuitry, segment drivers and digit drivers, plus an 8 x 8 static memory array for display data. The device accepts parallel microprocessor data and directly drives common-anode or common-cathode 7-segment LED displays without external current-setting resistors on the segment lines. An LED display driver is a specialized interface IC that bridges a digital controller (typically a microcontroller or microprocessor) and a multiplexed numeric display. It performs BCD/hex-to-7-segment decoding, time-multiplexes multiple digits onto shared segment lines, and provides the high-current drive transistors needed to bias each LED digit in sequence. These functions sit within the broader hierarchy of display drivers -> display PMIC -> power management IC -> semiconductor, eliminating dozens of discrete logic and driver parts that would otherwise be needed to refresh a multi-digit readout. Key features of the ICM7228DIJI include a wide 5V supply range with internal segment current regulation, hardware or software intensity control, on-chip multiplex scan oscillator, write-only or read/write memory modes, and segment blanking for leading-zero suppression. The bipolar parallel interface is straightforward to drive from any 8-bit bus, and the multiplexed architecture refreshes up to eight digits with no external switching transistors. Architecturally, the ICM7228 family uses CMOS logic for the decoder/memory array paired with bipolar high-current drivers in a single die, allowing low quiescent current while still sinking or sourcing tens of milliamps per segment. This hybrid process delivers the noise immunity of CMOS control logic with the robust drive capability required for bright multiplexed LED panels. Typical applications include test equipment front panels, instrumentation readouts, point-of-sale terminals, industrial process displays, and any microprocessor-controlled numeric display requiring eight or fewer digits of high-visibility output. The DIP package simplifies prototyping and low-volume production. When designing with this device, observe the absolute-maximum supply and segment-current ratings and provide proper PCB layout that keeps digit-drive returns close to the IC ground. Verify segment current resistor values against the chosen digit duty cycle and supply voltage to achieve the intended brightness without exceeding dissipation.
IFX007TAUMA1 - 40A Half-Bridge Motor Driver | Infineon NovalithIC
The Infineon IFX007TAUMA1 is an integrated high-current half-bridge motor driver from Infineon's Industrial & Multi-Purpose NovalithIC™ family, featuring one p-channel high-side MOSFET and one n-channel low-side MOSFET with an integrated driver IC in a single PG-TO263-7-1 (D2PAK-7) surface-mount package. The device delivers up to 40 A continuous load current, has a typical MOSFET RDS(on) of 12.8 mΩ, and operates over a 5.5 V to 40 V supply range suitable for automotive and industrial motor drive applications. A half-bridge (H-bridge half) driver is a power-management IC that combines one low-side and one high-side power MOSFET with their gate-drive circuitry on a single die, enabling bidirectional current control through a load (such as a motor winding) using only two external logic-level control signals. The half-bridge belongs to the broader category of full, half-bridge (H-bridge) drivers within PMIC (Power Management IC) products, which sit above discrete MOSFET driver + power MOSFET designs in the power-electronics hierarchy and below fully integrated motor-driver SoCs that include microcontrollers or predrivers. Key features include 5.5 V to 40 V operating voltage, 12.8 mΩ typical RDS(on) per MOSFET, integrated charge pump for the high-side gate drive, logic-level inputs (IN = 1.6 V to 2 V high / 1.1 V to 1.3 V low), PWM capability up to 25 kHz, status flag output, and protection functions including over-temperature shutdown, over-current latch, under-voltage lockout, and short-circuit detection. The PG-TO263-7-1 package exposes the tab as the power ground/drain thermal pad, providing a low thermal resistance path suitable for continuous high-current operation. Internally the IFX007T uses Infineon's proprietary smart power technology combining vertical p-channel high-side and vertical n-channel low-side MOSFETs with a CMOS/BCD control section on the same silicon. This monolithic integration eliminates the parasitic inductance and gate-loop inductance found in discrete half-bridge designs, dramatically reducing switching losses, ringing, and EMI. The integrated charge pump generates the high-side gate-drive voltage rail from the logic supply, allowing true 100 % duty-cycle operation and low-side freewheeling. Current sensing is performed by monitoring the low-side MOSFET RDS(on), eliminating an external shunt resistor. Typical applications include DC motor control (brushed DC and BLDC with external commutation), solenoid and valve drivers, industrial automation actuators, automotive body and powertrain actuators, and battery-powered tools. When designing with this part, ensure adequate copper area on the exposed tab for thermal dissipation - at 30 A continuous the package can dissipate several watts - and follow Infineon's PCB layout guidelines to keep the bootstrap capacitor loop short for reliable high-side switching. This page synthesizes distributor pricing across 7 sources, drop-in same-package alternatives, and practical design notes not collected in the manufacturer datasheet, including thermal budgeting and pin-compatibility verification.
IFX9201SGAUMA1 - 6A H-Bridge DC Motor Driver | Infineon | 5-36V
The Infineon IFX9201SGAUMA1 is a 6 A general-purpose H-bridge motor driver designed for DC motor control, housed in a 12-pin PG-DSO-12-17 (DSO Exposed Pad) surface-mount package. It operates from 5 V to 36 V supply, integrates two power MOSFET half-bridges, and supports PWM/DIR control with SPI diagnostics, making it suitable for industrial, building-automation, power-tool, and battery-management applications. The exposed thermal pad reduces junction-to-ambient thermal resistance for sustained high-current operation up to 6 A continuous. An H-bridge motor driver is an integrated power stage built from four switching elements (two high-side and two low-side MOSFETs) arranged in an "H" topology, allowing bidirectional current flow through a DC motor or inductive load. The bridge sits in the broader motor-driver hierarchy between simple logic-level MOSFET half-bridges and fully-isolated three-phase inverter modules used for AC servo drives. Compared with discrete MOSFET implementations, an integrated H-bridge like the IFX9201SG reduces PCB footprint, simplifies fault handling, and provides matched dead-time control across the high-side and low-side switches. Key features of the IFX9201SGAUMA1 include integrated charge-pump gate drive for 100% duty-cycle operation, programmable current limit, adjustable slew rate via gate-resistor selection, undervoltage lockout, overcurrent shutdown, and overtemperature protection. The SPI interface exposes diagnostic registers for short-circuit, open-load, and thermal-warning flags, enabling predictive maintenance in industrial fieldbus nodes. The device accepts logic-level 3.3 V or 5 V PWM and direction inputs, allowing direct connection to a microcontroller GPIO without level shifters. The internal architecture uses N-channel MOSFETs on both high-side and low-side positions to minimize RDS(on), driven by an internal charge pump that maintains gate enhancement at low supply voltages. PWM chopping up to 25 kHz is supported for current control or average-voltage regulation, while the SPI block runs up to 4 MHz for fast fault readback. Typical applications include small brushed-DC motor drives in power tools, home-appliance pumps and valves, building-automation dampers, medical pumps, and battery-management relay drivers. The wide 5 V to 36 V input range covers both 12 V lead-acid and 24 V industrial bus rails. When designing with this part, place the supply and motor-side bypass capacitors close to the IC and tie the exposed pad to a sufficiently large copper pour to keep junction temperature within ratings at full 6 A continuous current. Use the SPI diagnostics to flag fault conditions to the host MCU rather than relying on software polling of external sense resistors. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the Infineon datasheet.
IKCM15H60GA - 600V 15A CIPOS Mini IPM | Infineon
The Infineon IKCM15H60GA is a 600 V, 15 A three-phase intelligent power module (IPM) from the CIPOS Mini family, integrating TRENCHSTOP IGBTs with open emitter in a 24-pin DIP 36x21 power module. It functions as a fully featured compact inverter solution that delivers optimized efficiency, excellent thermal conduction, and 2500 V electrical isolation for high switching frequency applications. The part targets motor control up to approximately 1.5 kW where low turn-off switching losses and robust short-circuit protection are required. An Intelligent Power Module (IPM) is a power semiconductor module that combines the power switches (IGBT or MOSFET), gate drivers, and protection circuitry into a single isolated package. The hierarchy is: IGBT/MOSFET -> power switch -> power module -> IPM. IPMs sit at the integration tier above discrete driver + IGBT designs, eliminating the need to design high-side/low-side bootstrap, fault feedback, and dead-time generation discretely. They are widely used in white goods, HVAC compressors, and small industrial inverters where PCB space, time-to-market, and reliability outweigh absolute BOM cost. Key features of the IKCM15H60GA include: integrated bootstrap diodes for all three high-side channels (eliminating external bootstrap components), an integrated shunt resistor for current sensing, fully isolated DBC substrate with 2500 V isolation voltage, fault output (open-drain, active-low) for overcurrent, short-circuit, undervoltage, and over-temperature events, and 3.3 V/5 V logic-compatible Schmitt-trigger inputs. The integrated TRENCHSTOP IGBTs deliver low VCE(sat) and reduced Eoff, supporting switching frequencies up to 20 kHz in motor drive applications. The IKCM15H60GA operates across -40C to +150C junction temperature with Tj(max) at +175C, drawing quiescent current of typically 1.6 mA from VBS. The module is a drop-in successor to the legacy IM393L6E with simplified 24-pin pinout versus 30 pins, integrating functions previously requiring external VTH and RFE components. Power management ICs in this voltage/current class typically use 24-pin DIP (36 x 21 mm) housings with mounting tabs for screw attachment to the heatsink. Typical applications include BLDC and PMSM motor drives in washing machines, refrigerator compressors, HVAC fans, small industrial pumps, and servo motor control. The 15 A current rating and 600 V blocking voltage make it suitable for universal-input (100-240 VAC) rectified to 340 V DC bus operation. Compared with discrete IGBT + gate driver solutions, the IKCM15H60GA reduces PCB area by approximately 40% and cuts BOM count by 25-30 components per phase. In fan and pump drives, the integrated over-temperature shutdown and short-circuit detection protect the system without external sensors, while the open emitter configuration enables both single-shunt and leg-shunt current-sensing topologies.
IKCM30F60GAXKMA1 - 600V 30A CIPOS Mini IPM | Infineon
The Infineon IKCM30F60GAXKMA1 is a CIPOS Mini intelligent power module (IPM) integrating a three-phase 600 V, 30 A TRENCHSTOP IGBT inverter stage with open emitter, gate drivers, bootstrap diodes, and protection logic in a single 24-pin PowerDIP module (36x21 mm). It delivers up to 30 A of phase current at 600 V blocking voltage, optimized for compact motor drives below 4 kW. An intelligent power module (IPM) is a high-level integration device that combines the power semiconductor switching devices (IGBTs or MOSFETs), their gate drivers, and protection features such as short-circuit, under-voltage, and over-temperature in one isolated package. IPMs sit at the top of the power-management hierarchy: power switch -> IGBT module -> intelligent power module -> motor inverter subsystem. By eliminating discrete driver/layout design, they accelerate time-to-market for variable-frequency drives (VFDs). Key features of the IKCM30F60GAXKMA1 include: 600 V collector-emitter breakdown voltage, 30 A nominal phase current, integrated bootstrap diodes for the high-side drivers, open-emitter outputs for individual phase current sensing, an integrated thermistor for over-temperature shutdown, and short-circuit/under-voltage lockout protection. The TRENCHSTOP IGBT technology minimizes VCE(sat) and switching losses simultaneously, raising inverter efficiency into the 96-98% range at typical switching frequencies of 4-16 kHz. The module uses a 36x21 mm DIP-style lead-form package with 4 mm of creepage/clearance between the power and signal sides, providing electrical isolation rated above 2 kVrms. The exposed DBC substrate enables direct cooling via a heat plate, supporting sustained 30 A operation without derating up to roughly 80 C ambient. The CIPOS Mini family is pin-compatible with prior generations, allowing direct PCB upgrades in existing designs. Typical applications include variable-frequency drives for washing machines, refrigerator compressors, fan and pump motors, and small industrial drives (typically 0.4-2.2 kW). It is also used in three-phase solar micro-inverters, HVAC blowers, and small servo drives where space is constrained and reliability is critical. When designing with this IPM, ensure the bootstrap capacitors (typically 1 uF per high side) are sized correctly for the switching frequency and duty cycle. Place a 100 nF + electrolytic bulk capacitor on the +15 V supply to suppress gate-driver noise, and keep the analog ground (signal side) star-connected to the power ground at a single point near the DC-link negative terminal to avoid ground-loop-induced false tripping.
IKCM30F60GD - 600V 30A CIPOS Mini 3-Phase IPM | Infineon
The Infineon IKCM30F60GD is a CIPOS Mini 600 V, 30 A three-phase intelligent power module (IPM) based on TRENCHSTOP IGBT technology with an open emitter, integrated in a DIP 36x21D through-hole package. It combines a three-phase IGBT inverter bridge, high-voltage gate driver ICs, and comprehensive protection functions (overcurrent, short-circuit, undervoltage lockout, and thermal shutdown) into a single compact isolated module, simplifying motor-drive PCB design and reducing component count versus microcontroller builds with discrete gate drivers. The 600V blocking voltage and 30A rated current make it well suited to 200-240V AC class motor drives such as small home appliances, fans, and low-power industrial pumps. An intelligent power module (IPM) is a co-packaged power subsystem that integrates the power semiconductor switches (here, IGBTs plus freewheeling diodes), their gate drivers, and protection logic into one isolated module. Within the broader category hierarchy, the IKCM30F60GD is a power module > intelligent power module (IPM) > three-phase inverter IPM > gate-driver-integrated IGBT module > power management sub-system. This integration eliminates the need for engineers to design high-voltage gate-drive bootstrap circuits, level-shifters, and fault-detection networks, accelerating time-to-market. Key features include a built-in NTC thermistor for temperature monitoring, an open-emitter configuration for flexible current sensing, Schmitt-triggered logic inputs with internal pull-down resistors and zener clamps, and 5 kohm internal input biasing that pre-biases the inputs at supply start-up. The module operates from a typical +15V control supply with an undervoltage lockout range of 14.5V to 18.5V, and provides fault feedback via an open-drain fault output pin. The DIP 36x21D footprint is a standardized CIPOS Mini outline that supports PCB-mount or socketed installation. Typical applications include 3-phase brushless DC (BLDC) motor drives, permanent-magnet synchronous motor (PMSM) controllers, and AC induction motor drives for white goods, small industrial variable-frequency drives (VFDs), and ceiling fans. The integrated fault output simplifies coordination with an external microcontroller or DSP that supervises motor commutation and protection sequencing. Because the open emitter exposes the low-side IGBT emitters, the system can use external shunt resistors for precise current sensing and field-weakening control. When designing with this module, ensure the bootstrap capacitors are sized to deliver sufficient charge to the high-side gate drivers during the worst-case PWM duty cycle, and place a low-ESR electrolytic or ceramic bulk capacitor directly at the rectified DC-link. The exposed thermal pad and DIP lead frame provide a thermal path that can be augmented with an external heatsink; refer to the manufacturer thermal-resistance curves for derating guidance. Always observe the minimum spacing required by the 600V isolation rating between the high-voltage and signal-side copper pours.
IL485E - Isolated RS-485 Transceiver, 2.5 kV, 35 Mbps | NVE
The NVE IL485E is a galvanically isolated, high-speed differential RS-485/RS-422 bus transceiver with 2500 Vrms isolation, a 35 Mbps data rate, and 20 kV/microsecond common-mode transient immunity, packaged in a wide-body 16-pin SOIC. The 'E' suffix denotes the 2.5 kV isolation variant, the highest isolation grade in NVE's IL485 family. Isolated RS-485 transceivers sit at the interface layer between a controller-side logic domain and a field-side bus domain, providing galvanic isolation that breaks ground loops and protects sensitive circuitry from high-voltage transients on long industrial cables. As a member of the RS-485 transceiver category, the IL485E combines a differential line driver/receiver pair with on-package isolation barriers, replacing discrete opto-coupler + transceiver designs with a single component. The part is also a member of the broader digital isolator and PROFIBUS-compatible transceiver families. Key differentiating features include NVE's patented IsoLoop spintronic Giant Magnetoresistance (GMR) technology for the isolation barrier (instead of an optocoupler or silicon-oxide capacitive barrier), an integrated bus-fault detector, and PROFIBUS recognition for process-automation networks. The 20 kV/microsecond CMTI ensures reliable data transmission in noisy industrial environments with switching power stages. The wide-body 16-pin SOIC package provides the creepage and clearance required for 2.5 kV reinforced isolation per IEC 60747-17. Architecturally, the IL485E uses GMR-based isolation to transmit the differential TXD/RXD logic across the isolation barrier, with the line-side die containing the EIA/TIA-485-B compliant line driver and receiver. The wide 0.3-inch (7.5 mm) SOIC body satisfies the 8 mm minimum creepage typically required for reinforced isolation at 250 Vrms working voltage. Typical applications include isolated RS-485 nodes in factory automation (PROFIBUS DP, Modbus RTU), motor drive position feedback interfaces, substation communication (IEC 61850), building automation bus nodes, and any system where ground-potential differences between a host controller and field cabling would otherwise corrupt data. The 2.5 kV isolation also enables use in medical and test equipment where patient or operator isolation is required. When designing with this part, observe the bus-termination, fail-safe biasing, and shield-grounding recommendations in the IL485 datasheet, and ensure the PCB provides the wide-body SOIC creepage/clearance footprint rather than a narrow-body footprint. Designers should also note the device does not include integrated DC-DC isolation power and requires separate isolated bias for the bus-side supply. This page synthesizes distributor pricing, drop-in and same-family alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single decision-making reference for selecting the IL485E or its qualified substitutes.
ILD6150XUMA1 - 60V 1.5A Buck LED Driver IC | Infineon
The Infineon ILD6150XUMA1 is a 60 V, 1.5 A high-efficiency step-down (buck) LED driver IC housed in a thermally optimized PG-DSO-8-27 surface-mount package. Designed by Infineon's ILD6000 family for high-power LEDs and LED arrays, it integrates the power switch and supports analog/PWM dimming via a built-in 1.6 kHz PWM generator. According to the Infineon datasheet, the ILD6150 supports input voltages from 4.5 V to 60 V and delivers up to 1.5 A average LED current with hysteretic control for simple, inductor-based buck topologies. A buck LED driver (also called a step-down LED driver) is a switching DC-DC converter that regulates current through an LED string by lowering a higher input voltage to the LED forward voltage. Buck drivers sit within the broader category of constant-current switching regulators, which are themselves a subset of power management ICs (PMICs). Compared to linear LED drivers, switching buck drivers achieve much higher efficiency (typically 90%+) at high VIN-VLED deltas, eliminating the need for bulky heatsinks. The ILD6150's wide VIN range makes it compatible with both 12 V/24 V industrial buses and 48 V automotive/architectural lighting rails. Key features include integrated over-current protection, adjustable over-temperature protection, an enable pin for power sequencing, and analog dimming via an external reference voltage or PWM signal. The hysteretic control architecture eliminates the compensation network design typically required for peak-current-mode controllers, simplifying PCB layout and reducing BOM count to an inductor, a Schottky diode, an input capacitor, and a sense resistor. Typical applications include architectural and commercial LED lighting, signage backlighting, emergency vehicle lighting, off-grid solar LED systems, and industrial machine-vision illumination. With a 60 V absolute-maximum rating, the ILD6150 also tolerates load-dump transients common in 24 V truck and bus electrical systems. When designing with the ILD6150, place the Schottky diode and inductor close to the SW pin to minimize parasitic inductance, and choose an inductor with a saturation current rating at least 30% above the programmed LED current. Avoid exceeding the 60 V absolute-maximum VIN at all times, including transients, and use a low-ESR ceramic input capacitor rated for the full VIN range.
ILD8150EXUMA1 - 80V Buck LED Driver 1.5A | Infineon
The Infineon ILD8150EXUMA1 is an 80V DC-DC buck LED driver IC with hybrid dimming down to 0.5%, 1.5A output, and a high-side integrated switch, housed in an 8-pin PG-DSO-8-27 package. It is designed to drive high-power LEDs in general lighting applications, providing a high safety voltage margin for circuits operating close to safe extra-low voltage (SELV) limits. A buck LED driver is a type of switching-mode power supply (SMPS) that steps down a higher DC input voltage to a lower DC output voltage suitable for powering an LED string. Buck drivers sit within the broader hierarchy of LED driver topology -> DC-DC converter -> power management IC -> semiconductor, and are commonly used in place of linear LED drivers when VIN-VOUT headroom is large and efficiency matters. Key features include a wide 4.5V to 80V input voltage range, up to 1.5A average LED current, 0.5% minimum hybrid dimming depth, and a PWM input range of 250 Hz to 20 kHz. The flicker-free modulation frequency of 3.4 kHz is generated internally. Protection features include over-temperature shutdown, over-current protection, and over-voltage protection on the output. The ILD8150E/ILD8150 uses a hysteretic buck controller topology with an integrated high-side 80V capable MOSFET. This enables a low BOM count (single inductor, input/output capacitors, and sense resistor), while still achieving tight LED current regulation over a wide input voltage and load range. Average current mode control provides good line and load transient response. Typical applications include commercial and residential LED luminaires, architectural lighting, downlights, spotlights, track lights, and emergency lighting where wide VIN margin and high-quality dimming are required. A key design consideration is inductor selection: choose an inductor with saturation current at least 30% above the programmed ILED and DCR below 100 mOhm for high efficiency. Place the input capacitor and freewheeling diode loop as short as possible to minimize switching noise.
INA139NA/3K-Q1 - High-Side Current Shunt Monitor 40V SOT-23-5 | TI
The Texas Instruments INA139NA/3K-Q1 is a high-side, unipolar current shunt monitor that converts a differential shunt voltage into a ground-referenced output signal. It operates from a 2.7V to 40V supply with input common-mode voltage from 2.7V to 40V (supply and common-mode independent), in a 5-pin SOT-23 (DBV) package rated from -40C to +125C. A current shunt monitor, also called a current sense amplifier, is a specialized instrumentation amplifier that measures the voltage drop across a shunt resistor placed in series with a load, typically on the high side of the supply rail. Unlike general-purpose op amps, current shunt monitors tolerate large input common-mode voltages far above their own supply pin, making them the standard building block within the power management and current sensing hierarchy of modern electronic systems. Key features include a wide 2.7V to 40V common-mode range, a 440kHz bandwidth for fast transient monitoring, ultra-low 60uA typical quiescent current, single-resistor gain setting, and a complete unipolar high-side measurement circuit requiring no external amplifier. The output is a current signal converted to voltage by a single external resistor (RL), allowing easy gain scaling from 1 V/V up to over 100 V/V. The INA139 architecture uses an internal op amp driving an output transistor that mirrors shunt current through RL, producing VOUT = IS x RL where IS is proportional to the shunt drop. This two-resistor gain configuration (shunt + RL) gives designers direct control of transimpedance gain without precision resistor networks. Typical applications include battery chargers, automotive power monitoring, server and telecom DC power supplies, overcurrent protection circuits, and portable equipment current telemetry, where the tiny SOT-23-5 footprint and 60uA consumption minimize board area and drain. Design tip: set gain so the maximum expected shunt voltage (typically 50-100mV) maps to the ADC input range, and keep RL under about 10k ohms to preserve bandwidth and output drive.
INA169NA/3K - 60V High-Side Current Sense Amplifier | TI
The Texas Instruments INA169NA/3K is a high-side, unipolar current shunt monitor designed for accurate current measurement in a wide range of applications. It operates from a 2.7V to 60V supply and common-mode voltage range, making it suitable for both low-voltage and high-voltage systems. The device is available in a 5-pin SOT-23 (DBV) package, offering a compact solution for space-constrained designs. A current sense amplifier is an integrated circuit that measures the voltage drop across a shunt resistor placed in series with a load, converting it to a proportional output current or voltage. The INA169 is a variable gain current sense amplifier, meaning its gain is set by a single external resistor, providing design flexibility. It belongs to the family of current shunt monitors, which are essential for power management, battery monitoring, and load detection in electronic systems. Key features of the INA169NA/3K include a wide input common-mode voltage range of 2.7V to 60V, a bandwidth of 440kHz, and a low quiescent current of 60µA (typical). The gain is set by a single resistor, allowing for precise scaling of the output. The device also features independent supply and input common-mode voltages, enabling operation with a lower supply voltage while sensing higher voltages. The SOT-23-5 package is ideal for portable and space-limited applications. Technically, the INA169 uses a bipolar process to achieve high accuracy and stability. The input offset voltage is typically 1000µV (max), and the output is a current proportional to the differential input voltage divided by the external gain resistor. This architecture allows for high-side sensing without disrupting the ground path, which is critical in many power systems. The device is specified for operation over the -40°C to +125°C temperature range, making it suitable for industrial and automotive environments. Typical applications include battery chargers, power supplies, motor control, and load monitoring in automotive and industrial systems. The INA169NA/3K is also used in portable devices where low quiescent current is essential. Its high bandwidth of 440kHz enables fast transient response, which is beneficial for detecting rapid load changes. When designing with the INA169NA/3K, ensure the shunt resistor is placed on the high side and the gain resistor is selected to provide the desired output current range. The output can be converted to a voltage with a load resistor to ground. Proper PCB layout, including Kelvin connections to the shunt, is recommended for accurate measurements.
INA194AIDBVT - 500kHz Current Shunt Monitor, -16V to 80V, SOT-23-5 | TI
The Texas Instruments INA194AIDBVT is a high-side current shunt monitor with voltage output, providing a fixed gain of 50 V/V and supporting common-mode voltages from -16 V to +80 V, housed in a 5-pin SOT-23 (DBV) package. It operates from a single 2.7 V to 18 V supply, draws up to 900 µA quiescent current, and delivers a bandwidth up to 500 kHz suitable for fast control loops. A current shunt monitor (also called a current-sense amplifier) is a type of analog signal-conditioning IC that measures the small voltage drop across a low-ohm shunt resistor placed in series with the load, then amplifies that drop into a ground-referenced output voltage proportional to load current. Within the broader taxonomy, this part belongs to the current-sense amplifier -> analog amplifier -> signal chain IC -> power management IC family, and is widely used for energy metering, motor control, and battery monitoring where the load rail cannot be broken for low-side sensing. Key differentiating specifications include: 3.0% maximum gain error over temperature, 2000 µV maximum input offset voltage, and a low-side reference input that allows bidirectional current sensing by level-shifting the output. The SOT-23-5 footprint is among the smallest packages for this function, making the INA194AIDBVT attractive where PCB area is constrained, while the wide -16 V to +80 V common-mode range covers 12 V, 24 V, and 48 V industrial and telecom rails. The INA193-INA195 family members share the same -16 V to +80 V common-mode range and 500 kHz bandwidth as the INA194AIDBVT, and offer three fixed gains of 20 V/V, 50 V/V, and 100 V/V; the INA194AIDBVT specifically provides the 50 V/V gain. The INA196-INA198 family provides identical electrical performance but alternative pin configurations, allowing board designers to optimize pinout for layout without changing the BOM. Typical applications for the INA194AIDBVT include telecom equipment power monitoring, notebook computer battery charge management, automotive engine management, UPS systems, and precision current measurement in test and instrumentation. The 500 kHz bandwidth simplifies use in current-mode control loops driving DC/DC converters and motor drives. When designing with this part, ensure the selected shunt resistor keeps the differential input voltage (VSENSE) within ±200 mV at maximum load current to avoid saturating the input stage. Use Kelvin connections to the shunt to avoid PCB trace resistance errors, and place a 0.1 µF decoupling capacitor close to the supply pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
INA200AIDGKR - -16 to 80V High-Side Current-Shunt Monitor | TI
The Texas Instruments INA200AIDGKR is a -16 V to 80 V high-side current-shunt monitor with integrated open-drain comparator, housed in an 8-pin VSSOP (DGK) package. It combines a precision current-sense amplifier, an internal 0.6 V reference, and an open-drain comparator with RESET/latch control, enabling overcurrent detection and system protection in a single IC. Key headline specifications include: -16 V to 80 V common-mode input range, 2.7 V to 18 V single-supply operation, 500 kHz bandwidth, and a maximum quiescent current of 1800 uA. What is a current-shunt monitor? A current-shunt monitor is a type of analog IC that measures current flowing through an external shunt resistor placed in series with a load. By amplifying the small differential voltage across the shunt, it converts load current into a ground-referenced output voltage that an MCU or ADC can read directly. Current-shunt monitors sit in the signal-conditioning hierarchy between the shunt resistor and the ADC, are a subset of current-sense amplifiers, and belong to the broader power management IC category used in nearly every battery-powered and industrial system. Key features include a gain of 20 V/V (INA200), an open-drain comparator with internal 0.6 V threshold, latching capability made transparent by grounding/leaving RESET open, and independent operation from a 2.7 V to 18 V supply that is decoupled from the high-voltage common-mode bus. The wide -16 V to 80 V common-mode range is a defining attribute because it allows the IC to survive negative transients common in inductive loads (motors, solenoids) and high-voltage rails up to 80 V typical of telecom, automotive 48 V, and industrial 72 V systems. The integrated comparator eliminates the need for an external threshold detector, simplifying PCB area and BOM cost. The INA200AIDGKR uses a precision bipolar input front end with thin-film resistor scaling to deliver low offset drift and stable gain across temperature. The internal reference drives the comparator at 0.6 V; an external resistor divider scales this threshold to any desired current trip point. The output stage drives an open-drain flag pin that can be wire-ORed with other alerts and pulled up to the system logic rail. Typical applications include motor stall detection, solenoid/valve overcurrent protection, USB port current monitoring, telecom -48 V supply protection, lithium-ion battery charge/discharge monitoring, and industrial PLC digital inputs. When designing with the INA200AIDGKR, pay close attention to PCB layout: route the differential Kelvin sense traces directly to the shunt and use a 0.1 uF bypass capacitor close to the V+ pin. This page synthesizes distributor pricing, drop-in INA20x family alternatives, and PCB layout guidance not found on the manufacturer product page alone.
INA2181A2IDGSR - Dual 26V 350kHz Current Sense Amp | TI
The Texas Instruments INA2181A2IDGSR is a dual-channel, bidirectional, voltage-output current sense amplifier (current-shunt monitor) with a fixed gain of 50 V/V (A2 variant), a 350 kHz bandwidth, and common-mode voltage range of -0.2 V to +26 V, housed in a 10-pin VSSOP (DGS) package rated from -40C to +125C. A current sense amplifier is a specialized differential amplifier that measures the tiny voltage drop across a shunt resistor and converts it to a ground-referenced output voltage proportional to load current. Within the power management IC hierarchy, current-shunt monitors sit alongside battery fuel gauges and hot-swap controllers as current-monitoring building blocks. Unlike general-purpose op-amps, current sense amplifiers tolerate common-mode voltages far above their own supply, enabling high-side current sensing in 24V-class rails from a low-voltage logic supply. Key features include true bidirectional sensing (current flow in both directions reported via the REF pin offset), common-mode operation independent of the supply voltage, cost-optimized INAx181 family design, and dual channels in one small 3x3 mm package. The rail-to-referenced output and low-side extension to -0.2 V support both high-side and low-side shunt placement. The 350 kHz bandwidth at the A2 gain captures fast load transients in power-supply supervision loops. Technically, the INA2181 uses a precision unidirectional/bidirectional input stage with a fixed-gain internal resistive network; the A2 gain option (50 V/V) is one of four pin-compatible gain variants (A1 = 20 V/V, A3 = 100 V/V, A4 = 200 V/V) in the same footprint, letting designers trade bandwidth, shunt value, and resolution without PCB changes. Typical applications include battery charging and discharging current monitoring, laptop and tablet power supervision, motor drive current feedback, telecom and server 12V/24V rail monitoring, and industrial current-loop diagnostics. Design tip: keep the shunt value low to limit dissipation, but ensure the full-scale shunt drop stays within the linear input range for the chosen 50 V/V gain; Kelvin-connect the sense traces directly to the shunt pads. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.