Overview
The ADUM4224WARWZ 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. The ADUM4224 series is available in a wide-body, 16-lead SOIC package, offering high isolation voltage and advanced performance characteristics.
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) | VDDA/VDDB | 4.5 V to 18 V | ||
| CMOS Input Logic Voltage | VIN | 3.3 V to 5 V | ||
| Maximum Operating Frequency | fMAX | 1 MHz | ||
| Isolator and Driver Propagation Delay | tPD | 59 ns (max) | ||
| Channel-to-Channel Matching | tMATCH | 5 ns (max) | ||
| Dielectric Insulation Voltage | VISO | 5000 V rms (1 minute duration) | ||
| Minimum External Air Gap (Clearance) | L(I01) | 7.6 mm (min) | Measured from input terminals to output terminals, shortest distance through air | |
| Minimum External Tracking (Creepage) | L(I02) | 7.6 mm (min) | Measured from input terminals to output terminals, shortest distance path along body | |
| Maximum Junction Temperature | TJ | 125°C |
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 and 5 ns maximum channel-to-channel matching
- High common-mode transient immunity: >25 kV/μs
- Enhanced system-level ESD performance per IEC 61000-4-x
- Default low output for safety
- Qualified for automotive applications
Applications
- Switching power supplies
- Isolated IGBT/MOSFET gate drives
- Industrial inverters
Q & A
- What is the peak output current of the ADUM4224WARWZ?
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 4.5 V to 18 V.
- What is the maximum operating frequency of the ADUM4224WARWZ?
The maximum operating frequency is 1 MHz.
- What is the isolator and driver propagation delay?
The isolator and driver propagation delay is 59 ns maximum.
- What is the channel-to-channel matching time?
The channel-to-channel matching time is 5 ns maximum.
- What is the dielectric insulation voltage of the ADUM4224WARWZ?
The dielectric insulation voltage is 5000 V rms for 1 minute duration.
- What are the regulatory approvals for the ADUM4224WARWZ?
The component is recognized under UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity (pending).
- What are the typical applications of the ADUM4224WARWZ?
Typical applications include switching power supplies, isolated IGBT/MOSFET gate drives, and industrial inverters.
- Is the ADUM4224WARWZ qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What is the maximum junction temperature of the ADUM4224WARWZ?
The maximum junction temperature is 125°C.
