Overview
The ADUM4223WBRWZ-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 channels, ensuring high-speed and reliable operation. The ADUM4223WBRWZ-RL is designed for applications requiring galvanic isolation between the input and output, making it suitable for various power management and control systems.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Voltage | VDD1 | 3.0 | - | 5.5 | V | - |
| Output Current | - | - | - | 4 | A | - |
| Propagation Delay | - | - | 54 | ns | - | |
| Channel-to-Channel Matching | - | - | 5 | ns | - | |
| UVLO (VDD2) | - | 4.1 / 7.0 / 11.0 | - | V | Depending on version (A, B, C) | |
| Rated Dielectric Insulation Voltage | - | - | 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 | |
| Thermal Junction-to-Ambient Resistance | θJA | - | - | 45 | °C/W | - |
| Thermal Junction-to-Case Resistance | θJC | - | - | 29 | °C/W | - |
Key Features
- True galvanic isolation between input and output using iCoupler technology, providing up to 5000 V rms isolation for 1 minute.
- High-speed operation with a maximum propagation delay of 54 ns and channel-to-channel matching of 5 ns.
- CMOS input logic levels for compatibility with a wide range of control systems.
- High common-mode transient immunity (>25 kV/µs) and enhanced system-level ESD performance per IEC 61000-4-x.
- Thermal shutdown protection and high junction temperature operation up to 125°C.
- Supports low-side switching to negative voltages and a differential voltage between high-side and low-side up to 800 V peak.
Applications
- Power management and control systems.
- Digital power system management.
- High-side switches and MOSFET drivers.
- Hot swap controllers and ideal diode bridges.
- Power-over-Ethernet (PoE) interface controllers.
- Sequencers, trackers, and margining controllers.
- Supervisory circuits and surge stopper, overvoltage, and overcurrent protection systems.
Q & A
- What is the ADUM4223WBRWZ-RL used for? The ADUM4223WBRWZ-RL is used as an isolated, half-bridge gate driver in various power management and control systems.
- What is the maximum output current of the ADUM4223WBRWZ-RL? The maximum output current is 4 A.
- What is the rated dielectric insulation voltage of the ADUM4223WBRWZ-RL? The rated dielectric insulation voltage is 5000 V rms for 1 minute.
- What is the thermal junction-to-ambient resistance of the ADUM4223WBRWZ-RL? The thermal junction-to-ambient resistance (θJA) is 45°C/W.
- Does the ADUM4223WBRWZ-RL support low-side switching to negative voltages? Yes, it supports low-side switching to negative voltages.
- What is the maximum differential voltage between the high-side and low-side outputs? The maximum differential voltage is 800 V peak.
- What are the safety and regulatory approvals for the ADUM4223WBRWZ-RL? It has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12.
- What is the input supply voltage range for the ADUM4223WBRWZ-RL? The input supply voltage range is from 3.0 V to 5.5 V.
- Does the ADUM4223WBRWZ-RL have thermal shutdown protection? Yes, it has thermal shutdown protection.
- What is the common-mode transient immunity of the ADUM4223WBRWZ-RL? The common-mode transient immunity is greater than 25 kV/µs.
