Overview
The VNH7070ASTR is an automotive fully integrated H-bridge motor driver produced by STMicroelectronics. This device is designed for reliable motor control in various automotive and industrial applications. It incorporates a dual monolithic high-side driver and two low-side switches, utilizing STMicroelectronics’ proprietary VIPower® M0-7 technology. This technology integrates a true Power MOSFET with intelligent signal and protection circuitry on the same die, ensuring efficient and reliable operation.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Min (V) | 4.0 |
| Supply Voltage Max (V) | 28.0 |
| Output Current (A) | 15 |
| Package Name | SO-16N |
| Packing Type | Tape And Reel |
| RoHS Compliance | Ecopack2 |
| Grade | Automotive |
| ECCN US | EAR99 |
| ECCN EU | NEC |
Key Features
- Automotive Qualified: Designed for automotive applications with stringent reliability and performance requirements.
- Output Current: Capable of handling up to 15 A of output current.
- 3 V CMOS-Compatible Inputs: Compatible with 3 V CMOS logic inputs, facilitating easy integration with microcontrollers.
- Advanced Thermal Management: Features thermal shutdown and monitoring to ensure reliable operation in high-temperature environments.
- Current Sensing and Diagnostic Functions: Provides precise and accurate current sensing, along with diagnostic functions such as analog motor current feedback, output short to ground and VCC detection, and thermal shutdown indication.
- Protection Features: Includes undervoltage shutdown, overvoltage clamp, cross-conduction protection, current and power limitation, and protection against loss of ground and VCC.
- PWM Operation: Supports PWM operation up to 20 kHz for motor speed control.
- Low Standby Power Consumption: Very low power consumption in standby mode.
- Half Bridge Operation: Can operate in half bridge mode for added flexibility.
Applications
- Automotive Systems: Ideal for high-reliability motor control in automotive systems, including electric power steering, electric pumps, and other automotive actuators.
- Industrial Automation: Suitable for industrial automation applications where reliable motor control and thermal management are critical.
- Medical Devices: Used in medical devices where precise motor control and thermal management are necessary to ensure patient safety.
Q & A
- What is the VNH7070ASTR used for?
The VNH7070ASTR is used as a full bridge motor driver for reliable motor control in automotive and industrial applications.
- What is the maximum output current of the VNH7070ASTR?
The maximum output current of the VNH7070ASTR is 15 A.
- What is the supply voltage range for the VNH7070ASTR?
The supply voltage range for the VNH7070ASTR is from 4.0 V to 28.0 V.
- Does the VNH7070ASTR support PWM operation?
Yes, the VNH7070ASTR supports PWM operation up to 20 kHz.
- What protection features does the VNH7070ASTR have?
The VNH7070ASTR includes features such as undervoltage shutdown, overvoltage clamp, thermal shutdown, cross-conduction protection, and protection against loss of ground and VCC.
- Is the VNH7070ASTR RoHS compliant?
Yes, the VNH7070ASTR is RoHS compliant with an Ecopack2 rating.
- What is the package type of the VNH7070ASTR?
The VNH7070ASTR comes in an SO-16N package.
- Can the VNH7070ASTR operate in half bridge mode?
Yes, the VNH7070ASTR can operate in half bridge mode.
- What are the diagnostic functions available on the VNH7070ASTR?
The VNH7070ASTR provides diagnostic functions such as analog motor current feedback, output short to ground and VCC detection, and thermal shutdown indication.
- How does the VNH7070ASTR manage thermal issues?
The VNH7070ASTR features advanced thermal management and monitoring, including thermal shutdown to ensure reliable operation in high-temperature environments.
