Overview
The ADuM4121BRIZ-RL, produced by Analog Devices Inc., is a high-performance, isolated single-channel gate driver. This component utilizes Analog Devices' iCoupler® technology to provide precision isolation, making it suitable for applications requiring reliable and high-voltage insulation. The ADuM4121/ADuM4121-1 series, which includes the ADuM4121BRIZ-RL, is designed to drive insulated gate bipolar transistors (IGBTs) and MOSFETs with a peak output current of 2.3 A. The device features an internal Miller clamp to reduce the risk of Miller capacitance-induced turn-on and includes under-voltage lockout (UVLO) protection for both the primary and secondary sides.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Series | iCoupler® |
| Package | 8-SOIC (0.295", 7.50mm Width) |
| Number of Channels | 1 |
| Voltage - Isolation | 5000 Vrms |
| Current - Peak Output | 2.3 A |
| Operating Temperature | -40°C to 125°C |
| Rise / Fall Time (Typ) | 18 ns, 18 ns |
| Voltage - Output Supply | 7.5 V to 35 V |
| Propagation Delay tpLH / tpHL (Max) | 42 ns, 53 ns |
| Common Mode Transient Immunity (Min) | 150 kV/µs |
Key Features
- Precision Isolation: Utilizes iCoupler® technology for high-voltage isolation up to 5000 Vrms.
- Internal Miller Clamp: Reduces the risk of Miller capacitance-induced turn-on.
- Under-Voltage Lockout (UVLO): Protects both the primary and secondary sides with hysteresis to account for small voltage source ripple.
- High Peak Output Current: Capable of driving loads with a peak output current of 2.3 A.
- Wide Operating Temperature Range: Operates from -40°C to 125°C.
- Fast Rise and Fall Times: Typical rise and fall times of 18 ns each.
Applications
- Power System Management: Suitable for digital power system management, including high-side switches and MOSFET drivers.
- Industrial Control Systems: Used in industrial control systems where high-voltage isolation is critical.
- Automotive Systems: Applicable in automotive systems requiring reliable and isolated gate driving.
- Renewable Energy Systems: Employed in renewable energy systems, such as solar and wind power, for efficient and isolated control.
Q & A
- What is the primary function of the ADuM4121BRIZ-RL?
The primary function is to act as an isolated single-channel gate driver for IGBTs and MOSFETs.
- What is the peak output current of the ADuM4121BRIZ-RL?
The peak output current is 2.3 A.
- What is the voltage isolation rating of the ADuM4121BRIZ-RL?
The voltage isolation rating is 5000 Vrms.
- What is the purpose of the internal Miller clamp in the ADuM4121BRIZ-RL?
The internal Miller clamp reduces the risk of Miller capacitance-induced turn-on.
- Does the ADuM4121BRIZ-RL have under-voltage lockout (UVLO) protection?
Yes, it has UVLO protection for both the primary and secondary sides.
- What is the operating temperature range of the ADuM4121BRIZ-RL?
The operating temperature range is from -40°C to 125°C.
- What are the typical rise and fall times of the ADuM4121BRIZ-RL?
The typical rise and fall times are 18 ns each.
- What is the common mode transient immunity of the ADuM4121BRIZ-RL?
The common mode transient immunity is at least 150 kV/µs.
- What are some typical applications of the ADuM4121BRIZ-RL?
Typical applications include digital power system management, industrial control systems, automotive systems, and renewable energy systems.
- What package options are available for the ADuM4121BRIZ-RL?
The package options include Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® in an 8-SOIC format.
