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Product Detailed Parameters
- Description：AUTOMOTIVE 40-V, 32-A H-BRIDGE D
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：Hardwired (HW)
- Technology：Bi-CMOS
- Step Resolution：-
- Applications：-
- Current - Output：32A
- Voltage - Supply：4.5V ~ 5.5V
- Voltage - Load：4.5V ~ 35V
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-VFQFN Exposed Pad
- Supplier Device Package：16-VQFN-HR (3.5x5.5)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The DRV8245HQRXZRQ1 is an automotive-grade half-bridge driver from Texas Instruments, designed for high-current applications. It features a 40-V supply voltage range and delivers up to 32-A output current per channel. The device integrates power MOSFETs and supports PWM and SPI interfaces for precise control. Operating within a temperature range of -40°C to 125°C, it meets AEC-Q100 standards for reliability in harsh environments.
Feature Summary
- Integrated H-Bridge Driver with Power MOSFETs
- Automotive Grade Reliability (AEC-Q100)
- Dual Control Interfaces: PWM and SPI
- High Current Output Capability
Applications
- Automotive Motor Control Systems
- Ignition Coil Drivers
- Solenoid Actuation
- General Automotive Motion Control
Procurement Notes
Verify the specific suffix 'RXZR' against the official Texas Instruments datasheet to confirm package type and tape/reel specifications. Ensure the component matches the required automotive grade and operating temperature range for your application. Cross-reference the ordering number with authorized distributors to avoid counterfeit parts. Confirm lead times and availability directly with the supplier before finalizing procurement plans.
Selection Notes
Select this component when a robust, high-current half-bridge solution is needed for automotive environments. Consider the integrated nature of the driver and power stage for simplified design. Evaluate the thermal performance requirements given the 32-A capability. Ensure compatibility with existing PWM or SPI control logic. Verify that the 40-V rating aligns with the system's supply voltage constraints.
Part Context
This part belongs to the DRV8245 family of automotive motor drivers. It is specifically engineered for demanding automotive applications requiring high efficiency and reliability. The device simplifies design by integrating gate drivers and power switches into a single package, reducing board space and component count compared to discrete solutions.
Replacement Considerations
Consult the official Texas Instruments replacement guide for verified substitutes. Check for pin-to-pin compatible alternatives within the same product family. Ensure any replacement maintains the same automotive qualification status and electrical specifications.
