STMicroelectronics has announced the release of the VNH9030AQ, a fully integrated H-bridge motor driver, designed specifically for automotive applications powered by a 12 V board-net. The new motor driver offers 36 V operation and comes in a compact QFN 6 x 6 triple pad 26+2L package, making it ideal for space-constrained automotive designs.
Key features and benefits of VNH9030AQ
The VNH9030AQ boasts a comprehensive feature set aimed at enhancing performance, efficiency, and safety in automotive motor control applications. Some of the standout features include:
- Robust Protection Features:
- Undervoltage shutdown to prevent low-voltage damage.
- Overvoltage clamp for transient protection.
- Thermal shutdown to safeguard against overheating.
- Cross-conduction protection to prevent simultaneous conduction of high and low-side switches.
- Current and power limitations for enhanced operational safety.
- Short-circuit protection against ground and supply (VCC).
- Advanced Monitoring and Diagnostic Capabilities:
- Multisense monitoring functions, including analog motor current feedback and chip temperature tracking.
- Multisense diagnostic functions, such as:
- Output short to ground and VCC detection.
- OFF-state open-load detection.
- High-side power limitation indication.
- Low-side overcurrent shutdown indication.
- Efficiency and Control:
- Very low standby power consumption, optimizing power efficiency.
- PWM operation up to 25 kHz, enabling precise speed and torque control.
- 3 V CMOS compatible inputs, ensuring seamless integration with modern microcontrollers.
- Protection against loss of ground and VCC, ensuring operational reliability in challenging environments.
- Standby mode to reduce power consumption when inactive.
- Half-bridge operation support, offering design flexibility.
Applications of VNH9030AQ
- Electric power steering (EPS)
- HVAC systems
- Window lifters
Click here to learn more about VNH9030AQ.
