Overview
The ADuM4138WBRNZ is a single-channel gate driver optimized for driving insulated gate bipolar transistors (IGBTs), manufactured by Analog Devices Inc. This device utilizes Analog Devices' iCoupler® technology to provide isolation between the input signal and the output gate drive, enhancing safety and performance in power electronic systems. The ADuM4138 is particularly suited for applications requiring high voltage isolation and precise control over IGBTs.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| High-Side Power Supply Input Voltage | VDD2 | 12 | 25 | V | Operating without flyback | |
| Quiescent Input Current for VDD2 | IDD2(Q) | 14 | 18 | mA | TS1 = TS2 = open, VI+ = 0 V, VDD2 = 25 V | |
| Regulated Output Voltage | V5_2 | 4.9 | 5 | 5.1 | V | |
| Propagation Delay Rising | 95 ns | ns | ||||
| Propagation Delay Falling | 100 ns | ns | ||||
| Minimum Pulse Width | 74 ns | ns | ||||
| Operating Junction Temperature Range | -40°C | +150°C | °C | |||
| Isolation Voltage | 5000 V rms | V rms | For 1 minute per UL 1577 |
Key Features
- Isolation Technology: Utilizes Analog Devices' iCoupler® technology for high voltage isolation between the input signal and the output gate drive.
- Temperature Monitoring: Includes isolated temperature sensor readback with two temperature sensor pins (TS1 and TS2) for monitoring system temperatures at the IGBTs.
- Fault Reporting: Provides isolated fault reporting for overcurrent events, remote temperature overheating events, undervoltage lockout (UVLO), thermal shutdown (TSD), and desaturation detection.
- Programming Capability: Features a serial peripheral interface (SPI) bus on the primary side for in-field programming of temperature sensing diode gains and offsets, as well as specific VDD2 voltages, temperature sensing reporting frequencies, and overcurrent blanking times.
- Regulatory Compliance: Meets safety and regulatory approvals including UL 1577, CSA Component Acceptance Notice 5A, and DIN V VDE V 0884-10 (VDE V 0884-10):2006-12.
- Automotive Qualification: Qualified for automotive applications.
Applications
- MOSFET and IGBT Gate Drivers: Ideal for driving insulated gate bipolar transistors (IGBTs) and power MOSFETs.
- Photovoltaic (PV) Inverters: Used in solar power systems to ensure reliable and efficient operation.
- Motor Drives: Suitable for motor control applications requiring high isolation and precise control.
- Power Supplies: Employed in power supply systems to enhance safety and performance.
Q & A
- Q: What is the primary function of the ADuM4138WBRNZ?
A: The ADuM4138WBRNZ is a single-channel gate driver optimized for driving insulated gate bipolar transistors (IGBTs).
- Q: What isolation technology does the ADuM4138WBRNZ use?
A: It uses Analog Devices' iCoupler® technology for high voltage isolation.
- Q: What is the operating junction temperature range of the ADuM4138WBRNZ?
A: The operating junction temperature range is from -40°C to +150°C.
- Q: Does the ADuM4138WBRNZ support temperature monitoring?
A: Yes, it includes isolated temperature sensor readback with two temperature sensor pins (TS1 and TS2).
- Q: What types of faults can the ADuM4138WBRNZ report?
A: It provides isolated fault reporting for overcurrent events, remote temperature overheating events, undervoltage lockout (UVLO), thermal shutdown (TSD), and desaturation detection.
- Q: Is the ADuM4138WBRNZ qualified for automotive applications?
A: Yes, it is qualified for automotive applications.
- Q: What regulatory approvals does the ADuM4138WBRNZ meet?
A: It meets safety and regulatory approvals including UL 1577, CSA Component Acceptance Notice 5A, and DIN V VDE V 0884-10 (VDE V 0884-10):2006-12.
- Q: Can the ADuM4138WBRNZ be programmed in the field?
A: Yes, it features a serial peripheral interface (SPI) bus for in-field programming of various parameters.
- Q: What is the isolation voltage rating of the ADuM4138WBRNZ?
A: The isolation voltage rating is 5000 V rms for 1 minute per UL 1577.
- Q: In which types of systems is the ADuM4138WBRNZ typically used?
A: It is typically used in systems such as photovoltaic (PV) inverters, motor drives, and power supplies.
