ADUM4224ARWZ-RL7 - 4A Isolated Half-Bridge Driver | Analog Devices
MPN: ADUM4224ARWZ-RL7 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.36 | $43.60 |
| 100 | $3.88 | $388.00 |
| 500 | $3.49 | $1,745.00 |
| 1,000 | $3.1 | $3,100.00 |
ADUM4224ARWZ-RL7 Overview
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.
Drop-in alternatives for ADUM4224ARWZ-RL7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADUM4224ARWZ-RL7 (same form factor and footprint) — differing in Isolation Voltage, Package, Technology, Propagation Delay.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADUM4224WARWZ
✅ Drop-In📋 Reference alternative (not in catalog)
ADUM4224WBRWZ-RL
✅ Drop-In📋 Reference alternative (not in catalog)
ADUM3223ARWZ-RL7
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.19 / Unit
View Datasheet →ADUM3221ARZ-RL7
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.2 / Unit
View Datasheet →UCC21520DW
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ISO5852SDW
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
SI8275GBD-IS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ADUM4224ARWZ-RL7 Maximum Ratings & Electrical Characteristics
| Output Current | 4 A peak |
| Isolation Voltage | 5000 V rms |
| Number of Channels | 2 |
| Output Configuration | Half-bridge |
| Input Supply Voltage | 2.7 V to 5.5 V |
| Output Supply Voltage | 4.5 V to 18 V |
| Propagation Delay | 60 ns typical |
| Common-Mode Transient Immunity | 100 kV/us |
| Package | 16-lead SOIC (wide body) |
| Operating Temperature | -40°C to +125°C |
| Technology | iCoupler |
| Dead-Time Control | Yes |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
ADUM4224ARWZ-RL7 Pin Configuration
| Pin 1 | VDD1 — Input supply voltage (2.7 V to 5.5 V) |
| Pin 2 | GND1 — Input ground |
| Pin 3 | VIA — Input signal for high-side driver |
| Pin 4 | VIB — Input signal for low-side driver |
| Pin 5 | DT — Dead-time control input |
| Pin 6 | GND1 — Input ground |
| Pin 7 | NC — No connect |
| Pin 8 | NC — No connect |
| Pin 9 | VDD2 — Output supply voltage (4.5 V to 18 V) |
| Pin 10 | GND2 — Output ground |
| Pin 11 | VOA — High-side gate drive output |
| Pin 12 | VOB — Low-side gate drive output |
| Pin 13 | GND2 — Output ground |
| Pin 14 | NC — No connect |
| Pin 15 | NC — No connect |
| Pin 16 | GND2 — Output ground |
Typical Applications
ADUM4224ARWZ-RL7 is suitable for 6 applications: Isolated Switch-Mode Power Supplies, Motor Drives, Solar Inverters, Electric Vehicle Charging Systems, Industrial Automation and Robotics, Uninterruptible Power Supplies (UPS).
Isolated Switch-Mode Power Supplies
The ADUM4224ARWZ-RL7 is ideal for isolated switch-mode power supplies (SMPS) where high-voltage isolation and robust gate drive are required. Its 4 A peak output current ensures fast switching of power MOSFETs, while the 5000 V rms isolation protects the control circuitry from high-voltage transients. The device's 100 kV/us common-mode transient immunity prevents false triggering in noisy power environments, ensuring reliable operation in AC-DC converters and DC-DC converters.
Recommended
Motor Drives
In motor drive applications, the ADUM4224ARWZ-RL7 provides isolated gate drive for IGBTs and MOSFETs in half-bridge configurations. Its 4 A peak output current and fast 60 ns propagation delay enable precise control of motor phase currents, reducing switching losses and improving efficiency. The 5000 V rms isolation and high common-mode transient immunity ensure reliable operation in industrial environments with high voltage transients and electromagnetic interference.
Recommended
Solar Inverters
The ADUM4224ARWZ-RL7 is well-suited for solar inverters, where it drives the power stage of DC-AC converters. Its high isolation voltage (5000 V rms) meets the safety requirements for photovoltaic systems, while the 4 A peak output current ensures efficient switching of high-power IGBTs. The device's wide output supply range (4.5 V to 18 V) accommodates various gate drive voltages, and its robust common-mode transient immunity prevents false switching during grid transients.
Recommended
Electric Vehicle Charging Systems
In electric vehicle (EV) charging systems, the ADUM4224ARWZ-RL7 provides isolated gate drive for the power conversion stages. Its 5000 V rms isolation ensures safety between the high-voltage battery and the control electronics, while the 4 A peak output current enables efficient switching of power semiconductors. The device's wide operating temperature range (-40°C to +125°C) makes it suitable for automotive environments, and its high common-mode transient immunity ensures reliable operation in the presence of high-voltage switching noise.
Recommended
Industrial Automation and Robotics
The ADUM4224ARWZ-RL7 is used in industrial automation and robotics for driving servo motors and actuators. Its isolated gate drive protects control logic from high-voltage transients, while the 4 A peak output current ensures fast and precise motor control. The device's 100 kV/us common-mode transient immunity is critical in factory environments with high electromagnetic interference, ensuring reliable operation of robotic systems.
Recommended
Uninterruptible Power Supplies (UPS)
In UPS systems, the ADUM4224ARWZ-RL7 provides isolated gate drive for the inverter stage, ensuring reliable power conversion during mains failure. Its 5000 V rms isolation protects the control circuitry from high-voltage DC bus transients, while the 4 A peak output current enables efficient switching of IGBTs. The device's fast propagation delay and high common-mode transient immunity contribute to stable operation under varying load conditions.
Recommended
Recommended Products Summary
Engineering reference data for ADUM4224ARWZ-RL7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADUM4224WARWZ | ADUM4224WBRWZ-RL | ADUM3224ARWZ | UCC21520DW |
|---|---|---|---|---|---|
| Package | 16-lead SOIC (wide body) | 16-lead SOIC (wide body) | 16-lead SOIC (wide body) | 16-lead SOIC (narrow body) | 16-lead SOIC (wide body) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Isolation Voltage | 5000 V rms | 5000 V rms | 5000 V rms | 3000 V rms | 5700 V rms |
| Output Current | 4 A peak | 4 A peak | 4 A peak | 4 A peak | 4 A peak |
| Common-Mode Transient Immunity | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us | 100 V/ns |
| Input Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 3 V to 18 V |
| Output Supply Voltage | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 4.5 V to 18 V | 9.2 V to 25 V |
Key Differentiators
- Higher isolation voltage than ADUM3224 (vs ADUM3224ARWZ)
- Automotive grade option available (vs ADUM4224WARWZ)
- Faster propagation delay than UCC21520 (vs UCC21520DW)
Design Notes
Place decoupling capacitors (0.1 uF and 10 uF) close to the VDD1 and VDD2 pins to ensure stable supply voltages. Use a ground plane to minimize parasitic inductance in the gate drive loop. Keep the gate drive traces short and wide to reduce ringing and improve switching performance.
The ADUM4224ARWZ-RL7 can dissipate significant power when driving large capacitive loads at high frequencies. Ensure adequate copper area on the PCB for heat dissipation, and consider thermal vias under the device if operating at high ambient temperatures. The junction-to-ambient thermal resistance is [DATA_NEEDED: theta_JA].
Do not exceed the absolute maximum ratings for VDD1 and VDD2. Ensure the dead-time control pin is properly configured to prevent shoot-through current in the half-bridge. Avoid floating input pins; connect unused inputs to GND1 or VDD1 as appropriate.
Compliance Information
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; choose ADUM4224WARWZ for automotive.
