Overview
The DRV3256AEPAPRQ1 is a highly integrated 3-phase gate driver unit designed by Texas Instruments for automotive 48-V motor drive applications. This device is part of the DRV3256-Q1 family and is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It features a 12-V/48-V split supply architecture, optimized for high-power motor drive systems, and supports up to 90-V MOSFET operating voltage. The device includes advanced protection and diagnostic features, making it robust and reliable for various automotive applications.
Key Specifications
| Specification | Value |
|---|---|
| Device Ambient Temperature Range | -40°C to +150°C |
| ESD Classification | HBM Level 2, CDM Level C4B |
| Gate Drive Current | 2 A (source), 2.5 A (sink) |
| MOSFET Operating Voltage Range | 20 V to 90 V |
| Bootstrap Voltage | 105 V |
| Supply Voltage | 12 V / 48 V split supply |
| Current Shunt Amplifiers | 1x (low-side) |
| Active Short Circuit (ASC) Support | Low-side ASC |
| Package Type | HTQFP (64 pins) |
| Package Dimensions | 10.00 mm × 10.00 mm |
| Logic Input Voltage | 3.3 V, 5 V |
Key Features
- AEC-Q100 qualified for automotive applications.
- Functional Safety-Compliant, targeting systematic capability up to ASIL D.
- Three N-Channel half-bridge gate drivers with 2-A/2.5-A max peak gate drive current.
- Integrated configurable Active Short Circuit (ASC) function with low-side ASC support.
- Integrated 1x low-side current shunt amplifier.
- Serial peripheral interface (SPI) with CRC.
- Advanced protection features including battery voltage monitors, MOSFET VDS overcurrent monitors, Rshunt overcurrent monitors, MOSFET VGS gate fault monitors, and internal regulator and clock monitors.
- Device thermal warning and shutdown, fault condition indicator pins.
- Bootstrap architecture with charge pump for 100% duty cycle support.
Applications
- Automotive 48-V Motor Drive Systems.
- Belt and integrated starter generators, and motor generators.
- Electrical Power Steering.
- eTurbos and eBoosters.
- Transmission control and actuation.
- Oil, transmission, and water pumps.
- HVAC compressors and fans.
Q & A
- What is the operating temperature range of the DRV3256AEPAPRQ1?
The device operates within a temperature range of -40°C to +150°C.
- What is the maximum gate drive current of the DRV3256AEPAPRQ1?
The maximum gate drive current is 2 A (source) and 2.5 A (sink).
- What type of ESD classification does the DRV3256AEPAPRQ1 have?
The device has HBM ESD classification level 2 and CDM ESD classification level C4B.
- What is the MOSFET operating voltage range supported by the DRV3256AEPAPRQ1?
The device supports a MOSFET operating voltage range of 20 V to 90 V.
- Does the DRV3256AEPAPRQ1 support functional safety applications?
- What type of package does the DRV3256AEPAPRQ1 come in?
The device is packaged in a 64-pin HTQFP.
- What are the dimensions of the DRV3256AEPAPRQ1 package?
The package dimensions are 10.00 mm × 10.00 mm.
- Does the DRV3256AEPAPRQ1 have integrated current shunt amplifiers?
- What advanced protection features does the DRV3256AEPAPRQ1 include?
The device includes battery voltage monitors, MOSFET VDS overcurrent monitors, Rshunt overcurrent monitors, MOSFET VGS gate fault monitors, and internal regulator and clock monitors.
- Does the DRV3256AEPAPRQ1 support SPI communication?
