Overview
The ADUM4224WBRWZ-RL is a 4 A isolated, half-bridge gate driver produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology to provide independent and isolated high-side and low-side outputs. It is designed for high-speed applications, combining CMOS and monolithic transformer technology to offer superior performance characteristics compared to traditional alternatives such as optocoupler devices or pulse transformers and gate drivers.
The ADUM4224WBRWZ-RL is packaged in a wide-body, 16-lead SOIC and provides 5000 V rms isolation, making it suitable for high-voltage and high-reliability applications. It is also qualified for automotive use and meets various regulatory standards including UL and VDE certifications.
Key Specifications
| Parameter | Symbol | Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Peak Output Current | IOUT | 4 A | ||
| Working Voltage (High-side or Low-side relative to input) | VIN | 537 V peak | ||
| Output Drive Voltage | VDDA/VDDB | 4.5 V to 18 V | ||
| CMOS Input Logic Levels | VIL, VIH | 3.3 V to 5 V | ||
| Maximum Data Rate | fMAX | 1 MHz | CL = 2 nF, VDDA/VDDB = 12 V | |
| Propagation Delay | tDHL, tDLH | 35 ns to 59 ns | CL = 2 nF, VDDA/VDDB = 12 V | |
| Channel-to-Channel Matching | tPSKCD | 1 ns to 5 ns | CL = 2 nF | |
| Rated Dielectric Insulation Voltage | VISO | 5000 V rms | 1 minute duration | |
| Minimum External Air Gap (Clearance) | L(I01) | 7.6 mm | Measured from input terminals to output terminals | |
| Minimum External Tracking (Creepage) | L(I02) | 7.6 mm | Measured from input terminals to output terminals | |
| Minimum Internal Gap (Internal Clearance) | 0.017 mm | Insulation distance through insulation |
Key Features
- 4 A peak output current
- High-side or low-side relative to input: 537 V peak working voltage
- High frequency operation up to 1 MHz
- 3.3 V to 5 V CMOS input logic levels
- Precise timing characteristics with 59 ns maximum isolator and driver propagation delay
- High common-mode transient immunity: >25 kV/μs
- Enhanced system-level ESD performance per IEC 61000-4-x
- High junction temperature operation: 125°C
- Default low output for safety
- UL, CSA, and VDE regulatory approvals
Applications
- Switching power supplies
- Isolated IGBT/MOSFET gate drives
- Industrial inverters
- Automotive applications
- High voltage devices such as transformers
Q & A
- What is the peak output current of the ADUM4224WBRWZ-RL?
The peak output current is 4 A.
- What is the working voltage range for the high-side or low-side relative to the input?
The working voltage range is up to 537 V peak.
- What is the maximum data rate for the ADUM4224WBRWZ-RL?
The maximum data rate is 1 MHz.
- What is the propagation delay of the ADUM4224WBRWZ-RL?
The propagation delay is 35 ns to 59 ns.
- What is the rated dielectric insulation voltage of the ADUM4224WBRWZ-RL?
The rated dielectric insulation voltage is 5000 V rms for 1 minute duration.
- What are the regulatory approvals for the ADUM4224WBRWZ-RL?
The component has UL, CSA, and VDE regulatory approvals.
- What are the typical applications of the ADUM4224WBRWZ-RL?
Typical applications include switching power supplies, isolated IGBT/MOSFET gate drives, industrial inverters, and automotive applications.
- What is the junction temperature operation range of the ADUM4224WBRWZ-RL?
The junction temperature operation range is up to 125°C.
- Does the ADUM4224WBRWZ-RL have default low output for safety?
- What is the package type of the ADUM4224WBRWZ-RL?
The package type is a wide-body, 16-lead SOIC.
