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ADUM3221ARZ - Isolated 4A Dual-Channel Gate Driver | Analog Devices
The ADUM3221ARZ is an isolated, 4 A dual-channel gate driver from Analog Devices, based on the iCoupler technology. It combines high-speed CMOS and monolithic transformer technology to provide galvanic isolation between the input and each output, enabling voltage translation and eliminating the need for separate isolation components. The device is available in an 8-SOIC package and is designed for driving power MOSFETs and IGBTs in various power conversion applications. A gate driver is a power amplifier that accepts a low-power input from a controller IC and produces a high-current drive input for the gate of a power transistor. In isolated gate drivers, the input and output are galvanically isolated, protecting the low-voltage control circuitry from high-voltage transients and ground loops. The ADUM3221ARZ provides two independent isolation channels, each capable of sourcing and sinking 4 A peak current, making it suitable for driving large capacitive loads with fast switching speeds. Key features of the ADUM3221ARZ include a maximum propagation delay of 60 ns, channel-to-channel matching of 5 ns, and a 4.1 V nominal under-voltage lockout (UVLO) threshold. The device operates over a wide supply voltage range and supports high junction temperatures, making it robust for industrial applications. The iCoupler technology ensures reliable isolation with a 2500 Vrms isolation rating, meeting safety requirements for many power systems. The ADUM3221ARZ is designed for use in isolated DC-DC converters, motor drives, and power inverters. Its high peak output current and fast propagation delay enable efficient switching of power transistors, reducing switching losses and improving system efficiency. The device also features a wide operating temperature range, making it suitable for harsh environments. When designing with the ADUM3221ARZ, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The input and output supplies should be adequately decoupled with ceramic capacitors placed close to the pins. The device's UVLO feature ensures that the gate driver remains disabled until the supply voltage is sufficient, preventing erratic operation during power-up. Overall, the ADUM3221ARZ is a reliable and high-performance isolated gate driver that simplifies the design of isolated power systems while providing excellent electrical performance and robustness.
ADUM3221ARZ-RL7 - Isolated 4A Dual-Channel Gate Driver | Analog Devices
The ADUM3221ARZ-RL7 is a dual-channel, isolated gate driver from Analog Devices, delivering 4A peak output current per channel. It is based on the iCoupler® technology, which combines high-speed CMOS and monolithic transformer isolation to provide superior performance compared to traditional pulse transformer and gate driver combinations. The device is housed in an 8-lead SOIC package and provides 2500Vrms isolation, making it suitable for applications requiring galvanic isolation between control and power stages. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to drive the gate of power transistors (such as MOSFETs and IGBTs) while maintaining electrical isolation between the low-voltage control side and the high-voltage power side. This isolation is critical for safety and noise immunity in applications like motor drives, power inverters, and switch-mode power supplies. The ADUM3221ARZ-RL7 integrates two independent isolation channels, each capable of sourcing and sinking 4A, enabling direct driving of high-power switches without additional buffer stages. Key features of the ADUM3221ARZ-RL7 include a 4.1V nominal undervoltage lockout (UVLO) threshold, which ensures reliable operation during power-up and brown-out conditions. The device supports a wide supply voltage range on the output side, typically from 4.5V to 18V, allowing compatibility with various gate drive voltages. The propagation delay is typically 48ns, and the device offers a minimum pulse width of 100ns, enabling high-frequency switching up to 1MHz. The isolation barrier is rated for 2500Vrms, with a common-mode transient immunity (CMTI) of 25kV/µs, ensuring robust operation in noisy environments. The ADUM3221ARZ-RL7 is designed for high-performance applications where isolation and drive strength are critical. Its 4A peak output current can directly drive large MOSFETs and IGBTs, reducing the need for external buffer circuits. The dual-channel configuration allows for driving half-bridge or full-bridge topologies with a single device, simplifying PCB layout and reducing component count. The device also features a dead-time control input, enabling precise timing between high-side and low-side switches to prevent shoot-through currents. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The device is also suitable for automotive applications, such as electric vehicle (EV) charging systems and on-board chargers, where isolation and reliability are paramount. The ADUM3221ARZ-RL7 is available in tape and reel packaging (RL7 suffix), with a standard quantity of 1000 units per reel, facilitating automated assembly. When designing with the ADUM3221ARZ-RL7, it is essential to provide adequate decoupling capacitors on both the input and output supply pins to ensure stable operation. The input side (VDD1) and output side (VDD2) are isolated, and each requires a bypass capacitor of at least 0.1µF placed close to the respective pins. Additionally, the dead-time control pin (DT) should be connected to a resistor to set the desired dead time, or tied to VDD1 for a fixed dead time. Proper PCB layout with a solid ground plane on the output side is recommended to minimize parasitic inductance and ensure clean switching.
ADUM3223ARWZ-RL7 - 4A Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM3223ARWZ-RL7 is a 4 A isolated, half-bridge gate driver from Analog Devices that employs iCoupler technology to provide independent and isolated high-side and low-side outputs. It offers 3000 V rms isolation in a narrow body, 16-lead SOIC package, making it suitable for a wide range of power conversion applications. The device features 4 A peak output current, 2 channels, and a wide supply voltage range, ensuring robust driving capability for power MOSFETs and IGBTs. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to switch power transistors while maintaining galvanic isolation between the control side and the power stage. This isolation is critical in applications where high voltages or ground potential differences exist, protecting low-voltage control circuitry and ensuring safe operation. The ADUM3223 belongs to the family of digital isolators and gate drivers, which are essential components in modern power electronics systems. Key features of the ADUM3223ARWZ-RL7 include 4 A peak output current, 3000 V rms isolation rating, 2 independent channels, and a propagation delay of typically 50 ns. The device operates from a supply voltage range of 4.5 V to 18 V on the secondary side, and 3.0 V to 5.5 V on the primary side, providing flexibility in system design. The iCoupler technology ensures reliable signal transfer across the isolation barrier with high noise immunity and low power consumption. Technically, the ADUM3223 integrates a high-speed CMOS interface with a magnetic isolation barrier, enabling fast and accurate signal transmission. The device supports a maximum switching frequency of 1 MHz, making it suitable for high-frequency power converters. The output stage is designed to drive capacitive loads with minimal rise and fall times, reducing switching losses in the power stage. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The device's high output current and isolation capability make it ideal for driving power MOSFETs and IGBTs in half-bridge and full-bridge topologies. Its compact SOIC-16 package allows for space-efficient PCB layouts. When designing with the ADUM3223, it is important to ensure proper decoupling of the supply pins and to minimize parasitic inductance in the gate drive loop. The device's propagation delay and timing skew should be considered for high-frequency operation to avoid shoot-through in half-bridge configurations.
ADUM3224ARWZ - 4A Isolated Half-Bridge Driver | Analog Devices
The ADUM3224ARWZ is a 4 A isolated precision half-bridge gate driver from Analog Devices, employing iCoupler technology to provide independent and isolated high-side and low-side outputs. It is housed in a narrow-body 16-lead SOIC package and offers 3000 V rms isolation, making it suitable for automotive and industrial applications where galvanic isolation is required between the control and power stages. An isolated gate driver is a device that transfers switching signals across an isolation barrier, typically using capacitive or magnetic coupling, to control power transistors such as MOSFETs and IGBTs. It ensures that the high-voltage power stage is electrically isolated from the low-voltage control circuitry, protecting sensitive logic and enabling safe operation in noisy environments. The ADUM3224 belongs to the family of isolated gate drivers, which are essential components in power conversion systems like motor drives, inverters, and switch-mode power supplies. Key features of the ADUM3224ARWZ include a 4 A peak output current, which provides fast and robust gate charging for large power switches, and a wide supply voltage range of 4.5 V to 18 V for the output stage. The device also features a propagation delay of 48 ns (typical) and a minimum pulse width of 50 ns, enabling high-frequency switching. Its 3000 V rms isolation rating ensures reliable operation in high-voltage applications, and it is AEC-Q100 qualified for automotive use. Technically, the ADUM3224 uses Analog Devices' iCoupler technology, which integrates micro-transformers to achieve isolation, offering superior performance compared to optocouplers in terms of speed, reliability, and power consumption. The driver supports a wide operating temperature range of -40°C to +125°C, making it suitable for harsh environments. Its CMOS inputs are compatible with standard logic levels, simplifying interface design. Typical applications include isolated switch-mode power supplies, motor control inverters, and automotive systems such as electric vehicle (EV) traction inverters and on-board chargers. The ADUM3224ARWZ is also used in industrial automation and renewable energy systems where robust isolation and high current drive are critical. When designing with this device, ensure proper PCB layout to minimize parasitic inductance in the gate drive loop, and place decoupling capacitors close to the VDD and VDDA pins. The input side operates from a 3.0 V to 5.5 V supply, while the output side can be powered from 4.5 V to 18 V, allowing flexible interface with various controllers and power stages.
ADUM3224ARWZ-RL7 - 4A Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM3224ARWZ-RL7 is a 4 A isolated, half-bridge gate driver from Analog Devices that employs iCoupler technology to provide independent and isolated high-side and low-side outputs. It offers 3000 V rms isolation in a narrow-body, 16-lead SOIC package, making it suitable for a wide range of power conversion applications. The device features two channels with 4 A peak output current, fast propagation delays, and high common-mode transient immunity, ensuring reliable switching in noisy environments. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to drive the gate of power transistors (such as MOSFETs and IGBTs) while maintaining galvanic isolation between the control side and the power side. This isolation is critical in applications where the power stage operates at high voltages or where ground potential differences exist, preventing damage to the low-voltage control circuitry and improving safety. The ADUM3224 belongs to the family of isolated gate drivers, which are essential components in power management systems, motor drives, and switch-mode power supplies. Key features of the ADUM3224ARWZ-RL7 include 4 A peak output current, 3000 V rms isolation rating, 2-channel operation, and a wide supply voltage range. The device also offers under-voltage lockout (UVLO) protection, which ensures proper operation during power-up and power-down sequences. Its propagation delay is typically 50 ns, and it provides high common-mode transient immunity of 25 kV/us, making it robust in industrial environments. Technically, the ADUM3224 uses Analog Devices' iCoupler technology, which integrates micro-transformers and high-speed CMOS to achieve isolation without the need for optocouplers. This results in lower power consumption, higher reliability, and better timing accuracy compared to traditional isolation methods. The device is designed to drive both high-side and low-side MOSFETs in half-bridge configurations, with independent inputs and outputs for each channel. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The ADUM3224's high output current and fast switching speed make it ideal for driving large gate capacitances, ensuring efficient and reliable power conversion. When designing with the ADUM3224, it is important to provide adequate decoupling on the supply pins and to minimize parasitic inductance in the gate drive loop. Proper PCB layout is critical to achieve the specified performance, especially in high-frequency switching applications.
ADUM4136BRWZ-RL7 - 4A Isolated IGBT Gate Driver | Analog Devices
The ADUM4136BRWZ-RL7 is a single-channel, galvanically isolated gate driver from Analog Devices, specifically optimized for driving insulated gate bipolar transistors (IGBTs). It delivers a peak output current of 4 A and provides 5000 Vrms isolation using iCoupler technology. The device is housed in a 16-lead SOIC package and supports unipolar or bipolar secondary supplies, enabling negative gate drive when required. With a maximum supply voltage of 35 V on the secondary side, it is suitable for a wide range of industrial and automotive power applications. A gate driver is an electronic circuit that amplifies the control signal from a controller to the gate of a power transistor, such as an IGBT or MOSFET, ensuring fast and efficient switching. In high-power systems, the controller and the power stage often operate at different ground potentials, requiring galvanic isolation to protect the low-voltage control circuitry and to prevent noise coupling. Isolated gate drivers like the ADUM4136 integrate isolation and drive functions into a single package, simplifying design and improving reliability. Key features of the ADUM4136 include a 4 A peak drive output, 5000 Vrms isolation voltage, and a wide secondary supply range up to 35 V. The device also features a desaturation protection input for IGBT short-circuit detection, a Miller clamp output to prevent false turn-on, and an under-voltage lockout (UVLO) on both the primary and secondary sides. These features enhance system robustness and reduce external component count. The ADUM4136 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation, providing superior performance compared to optocouplers in terms of speed, reliability, and temperature stability. The device supports switching frequencies up to 1 MHz, making it suitable for high-frequency power converters. Its propagation delay is typically 100 ns, ensuring precise timing in critical applications. Typical applications include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power supplies. The ADUM4136 is also used in electric vehicle (EV) traction inverters and charging systems, where high isolation and robust drive capability are essential. Its ability to provide negative gate drive helps ensure reliable turn-off of IGBTs in noisy environments. When designing with the ADUM4136, it is important to provide adequate decoupling on both the primary and secondary supplies and to follow the recommended layout guidelines to minimize parasitic inductance. The desaturation protection input should be configured with appropriate blanking time to avoid false triggering during normal switching transients.
ADUM4137BRWZ - Isolated IGBT Gate Driver | Analog Devices
The ADUM4137BRWZ is a single-channel, high-voltage isolated gate driver from Analog Devices, specifically optimized for driving insulated gate bipolar transistors (IGBTs). It utilizes iCoupler® chip-scale transformer technology to provide galvanic isolation between the input control signal and the output gate drive, ensuring safe and reliable operation in high-voltage applications. The device is available in a 28-lead SOIC-W package and supports a wide operating temperature range from -40°C to +150°C. An isolated gate driver is a critical component in power electronics systems that require a level of isolation between the low-voltage control circuitry and the high-voltage power stage. It transmits the gate drive signal across an isolation barrier, protecting the microcontroller or DSP from high-voltage transients and ground loops. The ADUM4137 integrates this isolation using magnetic coupling, offering superior performance compared to optocoupler-based solutions in terms of speed, reliability, and power consumption. Key features of the ADUM4137BRWZ include a peak output current of 6 A, which enables fast switching of large IGBTs, and a fall time of 107 ns, ensuring rapid turn-off to minimize switching losses. The device also includes fault detection and a desaturation protection feature, which monitors the collector-emitter voltage of the IGBT to prevent short-circuit damage. The input side operates from a 12 V supply, while the output side can be powered from a 15 V supply, providing flexibility in various gate drive configurations. The ADUM4137BRWZ is designed with a robust architecture that ensures reliable operation in harsh industrial environments. Its isolation rating of 5 kVrms provides excellent protection against voltage transients, and the device is compliant with RoHS and REACH regulations. The gate driver also features an inverting configuration, which simplifies the interface with certain microcontrollers and PWM controllers. Typical applications for the ADUM4137BRWZ include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power supplies. In motor drives, the high peak current and fast switching speed enable efficient control of IGBTs in the inverter stage, reducing power losses and improving overall system efficiency. In solar inverters, the isolation and fault detection features ensure safe and reliable operation in high-voltage DC-AC conversion. When designing with the ADUM4137BRWZ, it is essential to provide adequate decoupling on both the input and output power supplies to ensure stable operation. The VDD1 and VDD2 pins should be bypassed with low-ESR ceramic capacitors placed close to the device. Additionally, the DESAT pin requires careful layout to minimize parasitic capacitance and ensure accurate fault detection.
ADUM4137BRWZ-RL7 - 6A Isolated IGBT Gate Driver | Analog Devices
The ADUM4137BRWZ-RL7 is a single-channel, high-voltage isolated gate driver from Analog Devices, specifically optimized for driving insulated gate bipolar transistors (IGBTs). It utilizes iCoupler® technology, which integrates chip-scale transformers to provide galvanic isolation between the input control signal and the output gate drive, eliminating the need for optocouplers and their associated performance limitations. This device delivers a peak output current of 6A, enabling fast switching of large IGBT modules in high-power applications. The driver is available in a 28-lead SOIC-W-FP package, which is designed for wide-body surface-mount assembly and provides a compact solution for isolated gate drive circuits. An isolated gate driver is a specialized integrated circuit that transfers a control signal from a low-voltage controller to a high-voltage power switch (such as an IGBT or MOSFET) while providing electrical isolation between the two domains. This isolation is critical for safety and noise immunity in applications where the power stage operates at high voltages, such as motor drives, inverters, and power supplies. The ADUM4137 belongs to the family of isolated gate drivers, which are essential components in power electronics systems, bridging the gap between digital control and high-power switching. Key features of the ADUM4137 include a 5kVrms isolation rating, a high common-mode transient immunity (CMTI) of 100 kV/µs, and a Miller clamp function that prevents false turn-on of the IGBT during high dv/dt events. The device also provides fault detection and a desaturation protection feature, which monitors the collector-emitter voltage of the IGBT to detect overcurrent conditions. The driver supports a wide supply voltage range on the secondary side (up to 35V) and includes an active Miller clamp that engages when the gate voltage drops below 2.0V, ensuring robust turn-off even with unipolar supplies. From a technical perspective, the ADUM4137 employs Analog Devices' proprietary iCoupler technology, which uses planar magnetic transformers to transmit data across the isolation barrier. This approach offers superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability over temperature and time. The device also features a built-in desaturation (DESAT) detection circuit that can be configured to protect the IGBT from short-circuit conditions, and a fault output that can be used to signal the controller. The driver's propagation delay is typically 100ns, and it can operate at switching frequencies up to 1MHz, making it suitable for high-frequency power converters. Typical applications for the ADUM4137 include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power supplies. In these systems, the driver ensures reliable and efficient switching of IGBTs, reducing switching losses and improving system reliability. The device is also used in electric vehicle (EV) traction inverters and charging stations, where high isolation and robust protection are essential. When designing with the ADUM4137, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The input and output grounds must be separated according to the isolation barrier, and the DESAT pin should be connected to the IGBT collector through a high-voltage diode to detect overcurrent conditions. Additionally, the Miller clamp pin should be connected to the gate with a low-inductance path to effectively suppress false turn-on.
ADUM4138BRWZ - Isolated IGBT Gate Driver with Flyback | ADI
The ADUM4138BRWZ is a single-channel, isolated IGBT gate driver with an integrated isolated flyback controller, manufactured by Analog Devices. It delivers up to 6A peak output current and provides 5000Vrms galvanic isolation using iCoupler technology. The device is housed in a 28-pin SOIC-W package (SOIC-W-FP) and is designed for high-voltage applications such as motor drives, solar inverters, and industrial power supplies. An isolated gate driver is a component that transfers gate drive signals across an isolation barrier, providing both signal isolation and power transfer for high-side switches. It is a critical element in power electronics, enabling safe and reliable control of IGBTs and MOSFETs in applications where the control circuitry operates at a different ground potential than the power stage. The ADUM4138 integrates the gate driver and a flyback controller, simplifying the design of isolated power supplies for the gate drive. Key features include a 6A peak output current, 5000Vrms isolation voltage, and an integrated flyback controller that provides an isolated secondary-side supply. The device supports a wide supply voltage range and includes protection features such as desaturation detection, soft shutdown, and under-voltage lockout (UVLO). The SOIC-W package offers a compact footprint with a 28-pin configuration, suitable for space-constrained designs. Technically, the ADUM4138 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation, providing reliable communication across the barrier. The integrated flyback controller eliminates the need for an external isolated DC-DC converter, reducing component count and board space. The device is optimized for driving IGBTs, with fast propagation delays and high common-mode transient immunity (CMTI) to ensure robust operation in noisy environments. Typical applications include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power converters. The ADUM4138 is also suitable for automotive applications, with the WBRNZ variant being AEC-Q100 qualified. Its high output current and isolation capability make it ideal for driving large IGBT modules in high-power systems. When designing with the ADUM4138, ensure proper PCB layout to minimize parasitic inductance and maintain isolation spacing. The integrated flyback controller requires careful transformer selection to achieve the desired output voltage and isolation rating. Refer to the datasheet for detailed application circuits and layout guidelines.
ADUM4138BRWZ-RL7 - Isolated IGBT Gate Driver | Analog Devices
The ADUM4138BRWZ-RL7 is a single-channel, galvanically isolated IGBT gate driver with an integrated isolated flyback controller, manufactured by Analog Devices. It is optimized for driving insulated gate bipolar transistors (IGBTs) in high-voltage applications, providing up to 6A peak output current and a wide supply voltage range. The device is housed in a 28-lead SOIC-W package, suitable for surface-mount assembly, and is available in tape and reel packaging (RL7 suffix). An isolated gate driver is a specialized integrated circuit that provides electrical isolation between the low-voltage control side and the high-voltage power stage, enabling safe and reliable switching of power transistors such as IGBTs and MOSFETs. The ADUM4138 uses Analog Devices' iCoupler technology, which employs chip-scale transformers to transmit signals across the isolation barrier, eliminating the need for optocouplers and providing superior performance in terms of speed, reliability, and power efficiency. Key features of the ADUM4138 include a 6A peak output current, which enables fast switching of large IGBTs, and an integrated flyback controller that simplifies the design of isolated power supplies for the gate drive circuitry. The device supports a wide input supply range and includes protection features such as desaturation detection, under-voltage lockout (UVLO), and active Miller clamping, ensuring robust operation in demanding industrial and automotive environments. From a technical perspective, the ADUM4138 employs a high-speed digital isolator architecture with a propagation delay of typically 50 ns, allowing precise timing control in high-frequency switching applications. The integrated flyback controller operates at a fixed frequency and provides a regulated output voltage for the gate drive, reducing external component count and board space. The device is designed to meet stringent safety standards, with a working isolation voltage of 1000 Vrms and a surge rating of 10 kV, making it suitable for applications requiring reinforced insulation. Typical applications for the ADUM4138 include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power conversion systems. Its high output current and fast switching speed make it ideal for driving large IGBT modules in three-phase inverters, while the integrated flyback controller simplifies the design of isolated power supplies for gate drive circuits. The device is also suitable for automotive applications, such as electric vehicle (EV) traction inverters, where high reliability and isolation are critical. When designing with the ADUM4138, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The device requires a bootstrap capacitor or isolated power supply for the high-side gate drive, and the flyback controller can be used to generate this supply. Additionally, the desaturation detection feature should be configured with appropriate blanking time and threshold to prevent false triggering during normal switching transients.
ADUM4220ARWZ-RL7 - Isolated 4A Dual Gate Driver | Analog Devices
The ADUM4220ARWZ-RL7 is a dual-channel, isolated gate driver from Analog Devices, based on the proprietary iCoupler® technology. It delivers 4 A peak output current per channel, with a 2500 Vrms isolation rating, and is housed in a 16-lead SOIC-W (wide body) package. The device is designed to drive power MOSFETs and IGBTs in high-voltage applications, providing galvanic isolation between the input control side and the output power stage. Isolated gate drivers are essential components in power electronics systems where the control circuitry must be electrically isolated from high-voltage power stages. They transmit switching signals across an isolation barrier using magnetic coupling (iCoupler), which offers superior performance compared to optocouplers in terms of speed, reliability, and power consumption. The ADUM4220ARWZ-RL7 belongs to the family of isolated gate drivers, which are a subset of gate drivers, which in turn are part of power management ICs. Key features include a maximum propagation delay of 60 ns, channel-to-channel matching of 5 ns, and a common-mode transient immunity (CMTI) of 100 kV/us. The device operates from a supply voltage of 4.5 V to 18 V on the input side and 4.5 V to 18 V on the output side, with an undervoltage lockout (UVLO) of 4.1 V nominal. The output stage can source and sink 4 A peak current, making it suitable for driving large capacitive loads. The ADUM4220ARWZ-RL7 uses a transformer-based isolation architecture, which enables true galvanic isolation and voltage translation between input and output. This design provides high-speed operation with low propagation delay, ensuring precise timing in switching applications. The device also features a dead-time control input, allowing designers to adjust the delay between high-side and low-side outputs to prevent shoot-through current. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation systems. The high CMTI and fast propagation delay make it ideal for high-frequency switching converters, while the 2500 Vrms isolation rating ensures safety in high-voltage environments. When designing with this device, it is important to provide adequate decoupling on both the input and output supply pins, and to ensure that the PCB layout minimizes parasitic inductance in the gate drive loop. The dead-time control pin should be configured according to the switching frequency and load characteristics to optimize efficiency and reliability.
ADUM4221ARWZ - Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4221ARWZ is an isolated half-bridge gate driver from Analog Devices, designed to drive high-side and low-side N-channel MOSFETs and IGBTs in power conversion applications. It provides 4 A peak output current with a wide supply voltage range of 2.5 V to 6.5 V on the input side and 4.5 V to 35 V on the output side. The device features adjustable dead time, a disable pin, and a propagation delay of 60 ns, making it suitable for high-frequency switching power supplies, motor drives, and inverters. An isolated gate driver is a specialized IC that provides galvanic isolation between the control circuitry and the power stage, allowing safe and reliable switching of high-voltage power devices. It integrates isolation technology, typically using magnetic or capacitive coupling, to transmit control signals across an isolation barrier while preventing harmful voltage transients from reaching the low-voltage control side. This is essential in applications where the power stage operates at high voltages, such as in industrial motor drives, solar inverters, and electric vehicle chargers. Key features of the ADUM4221ARWZ include a 5 kVrms isolation rating, 100 kV/us common-mode transient immunity (CMTI), and adjustable dead time to prevent shoot-through current. The device also offers a disable pin for output shutdown and a UVLO (undervoltage lockout) function to ensure safe operation during power-up. The 16-lead SOIC package (SOIC-16) provides a compact solution for space-constrained designs. Technically, the ADUM4221ARWZ uses Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic transformer isolation. This architecture provides reliable signal transfer with low propagation delay and high noise immunity. The device supports both high-side and low-side drive with independent inputs, allowing flexible control of half-bridge topologies. The adjustable dead time, set via an external resistor, enables optimization of switching losses and prevents cross-conduction. Typical applications include isolated switch-mode power supplies (SMPS), motor drives, uninterruptible power supplies (UPS), and photovoltaic inverters. The device's high CMTI and fast propagation delay make it ideal for high-frequency switching circuits where signal integrity is critical. When designing with the ADUM4221ARWZ, ensure proper PCB layout to minimize parasitic inductance and maintain isolation spacing. The input supply should be decoupled with a 0.1 uF capacitor close to the VDD1 pin, and the output supplies should be decoupled with 10 uF electrolytic and 0.1 uF ceramic capacitors. The dead-time resistor should be placed near the DEADTIME pin to minimize noise pickup.
ADUM4221ARWZ-RL7 - Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4221ARWZ-RL7 is an isolated, half-bridge gate driver from Analog Devices, featuring 4 A peak output current and adjustable dead time. It employs iCoupler technology to provide independent and isolated high-side and low-side outputs, making it ideal for driving power MOSFETs and IGBTs in various power conversion applications. The device is available in a 16-lead SOIC package and operates over a wide supply voltage range. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to switch power transistors while maintaining galvanic isolation between the control side and the power stage. This isolation is critical for safety and noise immunity in applications such as motor drives, switch-mode power supplies, and inverters. The ADUM4221 integrates isolation and drive functions into a single package, eliminating the need for external isolation components like pulse transformers. Key features of the ADUM4221 include 4 A peak output current, adjustable dead time, and a wide supply voltage range. The device supports both high-side and low-side outputs with independent control, enabling flexible half-bridge configurations. Its propagation delay is typically 60 ns, and it offers a common-mode transient immunity of 100 kV/us, ensuring reliable operation in noisy environments. Technically, the ADUM4221 uses Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic transformer isolation. This architecture provides superior performance compared to traditional optocoupler-based solutions, including lower power consumption, higher data rates, and better timing accuracy. The device also features under-voltage lockout (UVLO) on both the input and output sides, protecting against insufficient supply voltages. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The ADUM4221 is particularly suited for half-bridge and full-bridge topologies where high-side and low-side drivers are required. Its adjustable dead time allows designers to optimize switching performance and prevent shoot-through currents. When designing with the ADUM4221, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The device's high common-mode transient immunity requires careful attention to grounding and isolation barriers. Additionally, the dead time should be set appropriately based on the switching characteristics of the power transistors to avoid cross-conduction.
ADUM4221BRWZ - Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4221BRWZ is an isolated, half-bridge gate driver from Analog Devices, designed to drive high-side and low-side N-channel MOSFETs or IGBTs in power conversion applications. It provides 4 A peak output current and features adjustable dead time, dual inputs, and a wide input supply range of 2.5 V to 6.5 V. The device is housed in a 16-lead SOIC package with a 5 kVrms isolation rating, making it suitable for industrial motor drives, solar inverters, and isolated DC-DC converters. An isolated gate driver is a specialized IC that transfers switching signals across an isolation barrier while providing the high current needed to charge and discharge the gate capacitance of power transistors. It combines galvanic isolation (often via magnetic coupling) with level-shifting and drive circuitry, enabling safe and efficient control of high-voltage power stages from low-voltage control logic. In the hierarchy of power management, it sits between the controller (MCU/DSP) and the power switches, ensuring signal integrity and protecting low-voltage circuitry from high-voltage transients. Key features of the ADUM4221BRWZ include 4 A peak output current, adjustable dead time via an external resistor, and a propagation delay of 60 ns (typical). The device supports a wide output supply range (VDDA/VDDB) from 4.5 V to 18 V, with UVLO thresholds of 7.5 V (typical) for both channels. It also features a disable pin for output shutdown and a CMOS input interface compatible with 2.5 V to 6.5 V logic. The isolation barrier is rated at 5 kVrms for 1 minute, with a working voltage of 560 Vrms, and the device is certified to UL 1577 and IEC 60747-5-5 (VDE 0884-10) standards. Technically, the ADUM4221 uses iCoupler technology, which employs chip-scale transformers to transmit signals across the isolation barrier. This provides reliable operation with high common-mode transient immunity (CMTI) of 100 kV/us, ensuring stable performance in noisy power environments. The adjustable dead time feature allows designers to optimize switching behavior to prevent shoot-through in half-bridge topologies, improving efficiency and reliability. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device's high output current and fast switching speed make it ideal for driving large MOSFETs and IGBTs in high-power systems. Its wide input supply range and low propagation delay also suit high-frequency switching converters. When designing with the ADUM4221BRWZ, ensure proper PCB layout to minimize parasitic inductance in the gate drive loop, and place the dead-time resistor close to the DT pin. Also, provide adequate decoupling on the output supplies to handle peak currents.
ADUM4221BRWZ-RL7 - Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4221BRWZ-RL7 is an isolated, half-bridge gate driver from Analog Devices, featuring 4 A peak output current and adjustable dead time. It is based on the iCoupler technology, which combines high-speed CMOS and monolithic transformer isolation to provide robust galvanic isolation up to 3000 Vrms. The device operates from a wide supply voltage range of 2.5 V to 35 V on the high-side and low-side, making it suitable for a variety of power conversion applications. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to drive the gate of power transistors (MOSFETs or IGBTs) while maintaining galvanic isolation between the control side and the power side. This isolation is critical in applications where the power stage operates at high voltages or in noisy environments, as it protects the low-voltage control circuitry and prevents ground loops. The ADUM4221 belongs to the family of isolated gate drivers, which are essential components in switch-mode power supplies, motor drives, and inverters. Key features of the ADUM4221BRWZ-RL7 include a maximum propagation delay of 44 ns, high common-mode transient immunity of 150 kV/µs, and adjustable dead time to prevent shoot-through in half-bridge configurations. The device supports both dual-input and single-input modes (ADUM4221-1 variant) and offers a default low output state for safety. The output rise and fall times are 25 ns, enabling high-frequency switching operation. The ADUM4221 utilizes a proprietary iCoupler transformer-based isolation architecture, which provides superior performance compared to optocouplers or pulse transformers. The isolation barrier is rated for 3000 Vrms, and the device can operate at junction temperatures up to 125°C, making it suitable for demanding industrial environments. The high common-mode transient immunity ensures reliable operation in the presence of fast voltage transients, which is critical in motor drive and inverter applications. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The adjustable dead time feature allows designers to optimize switching efficiency and prevent cross-conduction. The device is available in a 16-lead SOIC package (BRWZ), which is compact and suitable for space-constrained designs. When designing with the ADUM4221, it is important to ensure proper PCB layout to minimize parasitic inductance and maintain signal integrity. The input and output supplies should be decoupled with low-ESR capacitors placed close to the pins. Additionally, the dead time should be set appropriately based on the switching characteristics of the power transistors to avoid shoot-through.
ADUM4222ARWZ - 4A Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4222ARWZ is a 4 A isolated, half-bridge gate driver from Analog Devices, employing iCoupler technology to provide independent and isolated high-side and low-side outputs. It offers 5000 V rms isolation in a wide-body 16-lead SOIC package, making it suitable for driving IGBTs and MOSFETs in high-voltage applications. The device features 4 A peak output current, a wide supply voltage range, and high-speed CMOS inputs, ensuring reliable switching performance. An isolated gate driver is a specialized IC that transmits control signals across an isolation barrier to drive power transistors in half-bridge or full-bridge configurations. It combines galvanic isolation with high-current drive capability, enabling safe and efficient control of high-voltage power stages. In the hierarchy of power management, it sits between the controller and the power switches, providing level shifting, isolation, and current amplification. Key features include 4 A peak output current, 5000 V rms isolation, 100 kV/us common-mode transient immunity, and a wide operating temperature range. The device supports both high-side and low-side outputs with independent inputs, allowing flexible control of half-bridge topologies. Its propagation delay is typically 50 ns, enabling high-frequency switching. The ADUM4222ARWZ uses Analog Devices' iCoupler technology, which integrates micro-transformers and CMOS circuitry to achieve isolation without optocouplers. This results in superior timing accuracy, lower power consumption, and higher reliability compared to traditional isolation methods. The wide-body SOIC package provides excellent creepage and clearance for high-voltage applications. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device's high output current and fast switching make it ideal for driving large IGBTs and MOSFETs in power conversion systems. When designing with this device, ensure proper PCB layout to minimize parasitic inductance and maintain isolation spacing. Use appropriate gate resistors to control switching speed and reduce EMI.
ADUM4222ARWZ-RL7 - 4A Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4222ARWZ-RL7 is a 4 A isolated, half-bridge gate driver from Analog Devices, Inc., employing iCoupler technology to provide independent and isolated high-side and low-side outputs. It is designed to drive power MOSFETs and IGBTs in a wide range of power conversion applications, offering robust isolation and high-speed switching performance. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to switch power transistors while maintaining galvanic isolation between the control side and the power stage. This isolation is critical for safety and noise immunity in applications such as motor drives, switch-mode power supplies, and inverters. The ADUM4222ARWZ-RL7 integrates the isolation barrier and driver circuitry in a single package, simplifying design and improving reliability compared to discrete optocoupler-based solutions. Key features include 4 A peak output current, 5000 Vrms isolation voltage, and a wide supply voltage range. The device supports high-side and low-side outputs with independent inputs, enabling flexible control of half-bridge topologies. It also features a high common-mode transient immunity (CMTI) of 100 kV/µs, ensuring reliable operation in noisy environments. The propagation delay is typically 60 ns, and the device operates over a temperature range of -40°C to +125°C. The ADUM4222ARWZ-RL7 uses Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic air core transformer technology. This architecture provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better timing accuracy. The device is available in a 16-lead SOIC package, making it suitable for space-constrained designs. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device is also suitable for automotive applications, with automotive-grade variants available. When designing with this device, ensure proper PCB layout to minimize parasitic inductance and maintain isolation creepage distances.
ADUM4223ARWZ - 4A Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4223ARWZ is a 4 A isolated, half-bridge gate driver from Analog Devices that employs iCoupler technology to provide independent and isolated high-side and low-side outputs. It is available in a 16-lead SOIC package and offers 5000 Vrms isolation, making it suitable for high-voltage power conversion applications. The device features two isolated channels, each capable of driving up to 4 A peak output current, with a wide supply voltage range of 3.0 V to 5.5 V on the input side and up to 35 V on the output side. The propagation delay is typically 38 ns, and the device supports high-frequency switching up to 1 MHz, making it ideal for switch-mode power supplies, motor drives, and isolated DC-DC converters. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to drive the gate of a power transistor (such as a MOSFET or IGBT) while maintaining galvanic isolation between the control side and the power side. This isolation is critical in applications where the power stage operates at high voltages or where ground potential differences exist, preventing noise and protecting low-voltage control circuitry. The ADUM4223ARWZ uses magnetic coupling (iCoupler) instead of optocouplers, offering faster propagation delays, better timing accuracy, and higher reliability over temperature and lifetime. Key features of the ADUM4223ARWZ include 4 A peak output current, 5000 Vrms isolation voltage, 38 ns propagation delay, and a wide operating temperature range of -40°C to +125°C. The device also features under-voltage lockout (UVLO) on both input and output supplies, ensuring safe operation during power-up and brown-out conditions. The iCoupler technology provides excellent common-mode transient immunity (CMTI) of 100 kV/us, which is essential for robust operation in noisy industrial environments. The ADUM4223ARWZ is designed for high-performance isolated power conversion. Its architecture integrates a high-speed CMOS interface with monolithic transformer technology, eliminating the need for external components such as pulse transformers or optocouplers. The device supports both high-side and low-side drive with independent inputs, allowing flexible control of half-bridge topologies. The output stage can source and sink 4 A, enabling fast switching of large gate capacitances. Typical applications include isolated switch-mode power supplies (SMPS), motor drives, solar inverters, and industrial power systems. The device is also suitable for automotive applications when using the AEC-Q100 qualified variant (ADUM4223WCRWZ). The high isolation rating and fast propagation delay make it ideal for high-frequency power converters where efficiency and reliability are paramount. When designing with the ADUM4223ARWZ, ensure proper PCB layout to minimize parasitic inductance and maintain isolation spacing. The input and output supplies should be decoupled with low-ESR ceramic capacitors placed close to the pins. The device's UVLO feature helps prevent insufficient gate drive during startup, but designers should verify that the supply voltages meet the UVLO thresholds under all conditions.
ADUM4223ARWZ-RL7 - 4A Isolated Half-Bridge Gate Driver | Analog Devices
The ADUM4223ARWZ-RL7 is a 4 A isolated, half-bridge gate driver from Analog Devices, employing iCoupler technology to provide independent and isolated high-side and low-side outputs. It offers 5000 Vrms isolation in a wide-body 16-lead SOIC package, making it suitable for high-voltage power conversion applications. The device features two isolated channels, each capable of driving up to 4 A peak output current, with propagation delay of 60 ns and minimum pulse width of 50 ns. It operates from a supply voltage range of 2.5 V to 6.5 V on the input side and 4.5 V to 35 V on the output side, with a maximum switching frequency of 1 MHz. The ADUM4223ARWZ-RL7 is designed for robust performance in industrial, automotive, and renewable energy systems, providing reliable gate drive for IGBTs and MOSFETs in half-bridge and full-bridge topologies. An isolated gate driver is a specialized integrated circuit that provides the necessary voltage and current to switch power transistors while maintaining galvanic isolation between the control side and the power stage. This isolation is critical for safety and noise immunity in high-voltage systems, preventing ground loops and protecting low-voltage control circuitry. The ADUM4223ARWZ-RL7 uses magnetic coupling (iCoupler) instead of optocouplers, offering superior speed, reliability, and temperature stability. It fits within the broader category of gate drivers, which are essential components in power electronics, bridging the gap between microcontrollers and high-power switches. Key features include 4 A peak output current, 5000 Vrms isolation, 60 ns propagation delay, and 50 ns minimum pulse width. The device also features under-voltage lockout (UVLO) on both input and output supplies, ensuring safe operation during power-up and brown-out conditions. The wide-body SOIC-16 package provides excellent creepage and clearance distances for high-voltage applications, and the device is rated for operation from -40°C to +125°C. Technically, the ADUM4223ARWZ-RL7 integrates high-speed CMOS and monolithic transformer technology, achieving performance superior to pulse transformer and gate driver combinations. The iCoupler technology ensures precise timing and low jitter, which is critical for high-frequency switching. The device supports both high-side and low-side drive with independent inputs, allowing flexible control of half-bridge configurations. The output stage is designed to drive large capacitive loads, such as the gate capacitance of power MOSFETs and IGBTs, with minimal delay and distortion. Typical applications include isolated DC-DC converters, motor drives, solar inverters, and uninterruptible power supplies (UPS). In these systems, the ADUM4223ARWZ-RL7 provides reliable gate drive with high noise immunity, enabling efficient and safe power conversion. Its wide supply range and robust isolation make it a versatile choice for both industrial and automotive power electronics. When designing with this device, ensure proper PCB layout to maintain isolation spacing and minimize parasitic inductance. Use appropriate decoupling capacitors on both supply pins, and consider the thermal performance of the package under high-frequency operation. The UVLO thresholds should be matched to the system's power-up sequence to avoid unintended switching.
ADUM4224ARWZ - 4A Isolated Half-Bridge Driver | Analog Devices
The ADUM4224ARWZ is a 4A isolated precision half-bridge gate driver from Analog Devices, utilizing iCoupler technology to provide independent and isolated high-side and low-side outputs. It offers 5000Vrms isolation in a 16-pin SOIC package, making it suitable for a wide range of power conversion applications. An isolated gate driver is a device that transfers control signals across an isolation barrier to drive power transistors such as MOSFETs and IGBTs. It ensures safety and noise immunity by galvanically isolating the low-voltage control side from the high-voltage power stage. This is essential in applications like motor drives, inverters, and switch-mode power supplies where high voltages and transients are present. Key features include 4A peak output current, 5000Vrms isolation voltage, and a wide supply voltage range. The device supports both high-side and low-side driving with independent inputs, enabling flexible half-bridge configurations. It also features a UVLO (undervoltage lockout) on both supplies to ensure safe operation during power-up and brownout conditions. Technically, the ADUM4224ARWZ uses Analog Devices' proprietary iCoupler technology, which integrates micro-transformers to achieve isolation. This provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better timing accuracy. The driver has a propagation delay of [DATA_NEEDED: propagation delay] and a minimum pulse width of [DATA_NEEDED: minimum pulse width], ensuring precise switching. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and industrial automation. The device is well-suited for driving power MOSFETs and IGBTs in half-bridge or full-bridge topologies, where its high output current ensures fast switching and reduced switching losses. When designing with the ADUM4224ARWZ, ensure proper decoupling of the VDD1 and VDD2 supplies with low-ESR capacitors. Also, consider the isolation rating and creepage distances for the PCB layout to maintain the specified isolation voltage.
ADUM4224ARWZ-RL7 - 4A Isolated Half-Bridge Driver | Analog Devices
The ADUM4224ARWZ-RL7 is a 4 A isolated, half-bridge gate driver from Analog Devices, employing iCoupler technology to provide independent and isolated high-side and low-side outputs. It offers 5000 V rms isolation in a wide-body, 16-lead SOIC package, making it suitable for high-voltage applications where galvanic isolation is critical. The device is designed to drive power MOSFETs and IGBTs in half-bridge and full-bridge configurations, delivering robust gate drive with fast propagation delays and high common-mode transient immunity. An isolated gate driver is a specialized integrated circuit that transfers control signals across an isolation barrier to drive the gate of a power transistor while maintaining electrical isolation between the low-voltage control side and the high-voltage power side. This isolation protects sensitive control electronics from high-voltage transients and ground loops, and is essential in applications such as motor drives, power inverters, and switch-mode power supplies. The ADUM4224 belongs to the family of digital isolators and gate drivers, which are critical components in modern power electronics. Key features of the ADUM4224 include 4 A peak output current, 5000 V rms isolation voltage, and a wide supply voltage range from 4.5 V to 18 V on the output side. The device supports a logic input voltage range of 2.7 V to 5.5 V, making it compatible with a variety of microcontrollers and digital controllers. It also features a dead-time control input, allowing precise timing of high-side and low-side switching to prevent shoot-through current. The propagation delay is typically 60 ns, and the common-mode transient immunity is 100 kV/us, ensuring reliable operation in noisy environments. The ADUM4224 uses Analog Devices' iCoupler technology, which integrates micro-transformers and high-speed CMOS circuits to achieve isolation and signal transfer. This architecture provides superior performance compared to optocoupler-based drivers, including higher speed, lower power consumption, and better reliability. The wide-body SOIC-16 package offers excellent creepage and clearance distances, meeting stringent safety standards for industrial and automotive applications. Typical applications include isolated switch-mode power supplies, motor drives, solar inverters, and electric vehicle charging systems. The device is also suitable for industrial automation and robotics, where high-voltage isolation and robust gate drive are required. Its high output current and fast switching speed make it ideal for driving large power MOSFETs and IGBTs in high-frequency power converters. When designing with the ADUM4224, it is important to provide adequate decoupling on both the input and output supply pins, and to minimize parasitic inductance in the gate drive loop. The dead-time control pin should be configured to match the switching characteristics of the power transistors to avoid cross-conduction. Proper PCB layout with sufficient copper area for heat dissipation is recommended for high-current applications.
ADUM5000ARWZ-R - 2.5kV Isolated DC/DC Converter | ADI
The Analog Devices ADUM5000ARWZ-R is an isolated DC-to-DC converter based on the proprietary iCoupler chip-scale transformer technology, providing up to 500 mW of regulated isolated power from a 2.7 V to 5.5 V input with selectable 3.3 V or 5 V output, housed in a 16-lead SOIC-W (RW-16) wide-body surface-mount package. An isolated DC/DC converter is a power-management device that transfers energy across a galvanic isolation barrier while maintaining regulatory compliance for high-voltage safety standards. In the broader system hierarchy it sits below discrete transformer-based designs and above simple non-isolated buck regulators, allowing designers to remove bulky transformers, optocouplers, and feedback components from industrial, medical, and instrumentation power trees. Key features include 2.5 kV rms isolation (UL 1577 / IEC 60747-5-2 qualified), >25 kV/us common-mode transient immunity, integrated thermal shutdown, and a high-temperature operating range up to 105 C. The ADUM5000ARWZ-R replaces legacy transformer-isolated supplies with a single SOIC that delivers up to 33% power-transfer efficiency at full load, dramatically shrinking PCB area for isolated 5 V or 3.3 V rails. Internally, the device uses Analog Devices' isoPower architecture, combining a PWM-driven primary side, an on-chip air-core transformer, and a secondary-side linear post-regulator. The post-regulator removes ripple from the secondary rectified waveform, eliminating the need for external LC filters while keeping output noise low enough for analog front-end and RS-485 transceiver bias rails. Typical applications include isolated RS-485/RS-232 transceivers, industrial field-bus nodes (Modbus, PROFIBUS, CAN isolated), 4 mA to 20 mA loop-powered transmitters, medical patient-monitoring front ends, and PLC digital-input modules that must survive fast common-mode swings on long cable runs. When designing with the ADUM5000ARWZ-R, observe the >8 mm creepage/clearance budget provided by the wide SOIC footprint and place a 0.1 uF decoupling capacitor on each VDD pin within 2 mm of the package to keep the primary-side switching noise from coupling back into the upstream supply.
ADUM5010ARSZ-RL7 - Isolated DC-DC 2.5kV 30mA | Analog Devices
The Analog Devices ADUM5010ARSZ-RL7 is an integrated, isolated dc-to-dc converter based on iCoupler chip-scale transformer technology, providing regulated isolated power adjustable between 3.15 V and 5.25 V at up to 30 mA output current, with input supply voltages from 3 V to 5.5 V, in a 20-lead SSOP (QSOP-20, 208 mil) package. An isolated dc-to-dc converter is a power management IC that transfers power across a galvanic isolation barrier while maintaining regulated output voltage. Unlike optocoupler-plus-transformer discrete solutions, transformer-based iCoupler devices integrate the isolation barrier, power transformer and regulation on a single chip, sitting within the hierarchy: isolated dc-to-dc converter -> switching voltage regulator -> power management IC -> semiconductor. Key features include 2.5 kV rms isolation rating, adjustable isolated output setpoint (VISO nominally 3.3 V with R1 = 10 kOhm, R2 = 16.9 kOhm per the datasheet), input operation from slightly below to significantly above the required output voltage, and a low thermal coefficient of approximately -26 uV per degree C on the output setpoint. The iCoupler chip-scale transformers provide both the isolated logic channel and the magnetic components of the power converter, eliminating external magnetics. Architecturally, the device resonantly drives an on-chip air-core transformer to move power across the barrier, then regulates the secondary side; the data sheet addresses three discrete operating conditions covering input/output voltage combinations supported at room temperature (Figure 13 of the ADuM5010 datasheet depicts the supported map). Typical applications include isolated RS-485/RS-232 transceiver supplies, isolated industrial PLC I/O channels, isolated CAN/isolated sensor interfaces, and medical isolation front ends where a small form factor total isolation solution is required. Design consideration: verify your input/output voltage combination is inside the supported combinations map and budget load current within the 30 mA limit; the output setpoint is adjusted with two external resistors, so use 1% or better tolerance parts to preserve accuracy. This page synthesizes distributor availability data, family cross-references, and practical design notes not found in the manufacturer datasheet. Pricing shown as of 2026-10-19.
ADUM6422ABRNZ5 - 5kV Quad IsoPower Digital Isolator | ADI
The Analog Devices ADUM6422ABRNZ5 is a quad-channel digital isolator with an integrated, regulated isoPower isolated DC-to-DC converter, rated at 5000 Vrms isolation and packaged in a 28-pin SOIC Wide-body (RB-28) with 7.50 mm body width. It supports a 100 Mbps maximum data rate, 75 kV/µs common-mode transient immunity (CMTI), and 4 data channels configured as 2 transmit + 2 receive (2:2) directionality. According to the manufacturer datasheet, this part is the 5V variant of the ADuM6420A/6421A/6422A/6423A/6424A family. An isolated DC-to-DC converter with integrated digital isolation combines two traditionally separate functions - signal isolation (galvanic barrier across the data channels) and isolated power generation (DC-to-DC converter on the same die) - into a single package. The isoPower architecture is built on Analog Devices' iCoupler technology, using chip-scale transformers to transfer power across the isolation barrier while data channels use coreless transformers. This integrated approach is a sub-category of digital isolators which are alternatives to optocouplers, offering higher speed, lower power, and better CMTI. Key features of the ADUM6422ABRNZ5 include 5 kVrms withstand isolation voltage per UL 1577, integrated 5 V regulated DC-to-DC converter that meets CISPR 32 / EN 55032 Class B emissions on a 2-layer PCB with ferrites, 100 Mbps data rate per channel, and 75 kV/µs CMTI. The wide-body SOIC-28 (RB-28) package provides a generous creepage and clearance for reinforced insulation, supporting safety certifications up to 600 Vrms working voltage (reinforced) per VDE 0884-11. The internal architecture combines an isolated DC-to-DC primary-side oscillator, a chip-scale transformer, and secondary-side rectification/regulation, all synchronized with the four data channels. Soft-start control limits inrush current at power-up, and the converter operates at a fixed frequency designed to keep fundamental and harmonic content above 30 MHz to ease EMI filter design. The integrated design eliminates the need for a separate isolated power supply module, reducing PCB area by up to 70% versus discrete approaches. Typical applications include isolated SPI / RS-485 / RS-232 interfaces in industrial PLCs, isolated gate-drive power for IGBT/MOSFET half-bridges in motor drives, isolated analog front-end power in medical equipment, isolated power for solar inverter gate drivers, and any system requiring both isolated data and isolated 5 V bias in a single footprint. Designers typically place this part directly between the controller MCU and the high-voltage side of the system. When designing with this device, note that the converter output is rated for a limited load current (approximately 100 mA at 5 V), so power budgeting is essential. Use low-ESR ceramic bypass capacitors on both VDD1 and VISO supplies as specified in the datasheet, and follow the recommended PCB layout for the transformer to avoid degrading the isolation barrier or EMI performance. This page synthesizes verified distributor pricing, manufacturer datasheet specifications, same-family parts, drop-in alternatives and design considerations not collected in any single vendor catalog.