Overview
The ADUM4221-1BRIZ-RL is a high-performance, isolated half-bridge gate driver produced by Analog Devices Inc. This component is designed to provide level shifting and buffering for IGBT or MOSFET power switches, making it ideal for high-speed, high-voltage power conversion applications. It features two independent non-inverting channels and operates from a wide 2.5V to 6.5V supply voltage range. The ADUM4221-1BRIZ-RL is known for its fast rise and fall times, high noise immunity, and low propagation delay, ensuring reliable and efficient gate driving performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Logic Input Voltage (VDD1) | 2.5 | 6.5 | V | ||
| Output Supply Voltage (VDDA, VDDB) | 4.5 | 35 | V | ||
| Peak Output Current | 4 | A | |||
| Rise Time | 25 | ns | |||
| Fall Time | 30 | ns | |||
| Propagation Delay | 100 | ns | |||
| Operating Temperature Range | -40 | 125 | °C | ||
| Isolation Voltage | 5700 | V rms | For 1 minute duration |
Key Features
- Two independent non-inverting channels
- Wide 2.5V to 6.5V supply voltage range for logic input
- High peak output current of 4A source and 6A sink
- Fast rise and fall times (25ns/30ns typical)
- Low propagation delay of 100ns typical
- High noise immunity with 4kV high-voltage isolation
- Adjustable dead time and single input configuration
- CMOS input logic levels
- High common-mode transient immunity: 150 kV/μs
- High junction temperature operation: 125°C
- Default low output and safety features including ESD protection of ±4kV HBM
Applications
- Power inverters and converters
- Motor drives
- Uninterruptible power supplies (UPS)
- Renewable energy systems
- Industrial automation and control
- Switching power supplies
- Isolated IGBT/MOSFET gate drives
- Industrial inverters
- Gallium nitride (GaN)/silicon carbide (SiC) compatible systems
Q & A
- What is the ADUM4221-1BRIZ-RL used for?
The ADUM4221-1BRIZ-RL is used as a high-performance, isolated half-bridge gate driver for IGBT or MOSFET power switches in high-speed, high-voltage power conversion applications.
- What is the supply voltage range for the ADUM4221-1BRIZ-RL?
The logic input supply voltage range is 2.5V to 6.5V, and the output supply voltage range is 4.5V to 35V.
- What are the key features of the ADUM4221-1BRIZ-RL?
Key features include two independent non-inverting channels, fast rise and fall times, low propagation delay, high noise immunity, and adjustable dead time.
- What is the isolation voltage of the ADUM4221-1BRIZ-RL?
The isolation voltage is 5700 V rms for 1 minute duration.
- What are the typical applications of the ADUM4221-1BRIZ-RL?
Typical applications include power inverters, motor drives, UPS, renewable energy systems, and industrial automation.
- Does the ADUM4221-1BRIZ-RL have ESD protection?
- What is the operating temperature range of the ADUM4221-1BRIZ-RL?
The operating temperature range is -40°C to 125°C.
- Is the ADUM4221-1BRIZ-RL compliant with industry safety standards?
- How does the ADUM4221-1BRIZ-RL simplify design?
- What technology does the ADUM4221-1BRIZ-RL employ for isolation?
