Overview
The VN7140ASTR is a high-side driver integrated circuit produced by STMicroelectronics. It is part of the VN7140AS series and is designed for automotive and industrial applications. This device features a single channel smart high-side driver with MultiSense analog feedback, making it versatile for various power management needs. The VN7140ASTR is AEC-Q100 qualified, ensuring it meets the stringent requirements for automotive electronics. It operates within a voltage range of 4V to 28V and has a low standby current, making it energy-efficient. The device is packaged in an SOIC-8 format, suitable for surface mount applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | VN7140ASTR |
| Package Style | SOIC-8 |
| Mounting Method | Surface Mount |
| Operating Voltage Range | 4V to 28V |
| On-Resistance | 140 mΩ |
| Maximum Current | 12A |
| Standby Current | 0.5 µA (typical at VCC = 13V, Tj = 25°C) |
| Input Voltage Compatibility | 3V and 5V CMOS outputs |
| MultiSense Diagnostic Pin | Delivers current proportional to load current, supply voltage, or chip temperature |
| ECCN | EAR99 |
| RoHS Compliance | Yes |
Key Features
- Single channel smart high-side driver with MultiSense analog feedback for monitoring load current, supply voltage, and chip temperature.
- AEC-Q100 qualified for automotive applications, ensuring high reliability and performance under stringent conditions.
- Low standby current of 0.5 µA (typical at VCC = 13V, Tj = 25°C), contributing to energy efficiency.
- Input voltage controlled input pin with hysteresis, compatible with 3V and 5V CMOS outputs.
- Active high enable pin (SEn) and address pins (SEL0,1) for controlling the MultiSense diagnostic pin.
- Fault reset pin (FaultRST) for unlatching the output in case of fault and setting the outputs in auto-restart mode if kept low.
Applications
The VN7140ASTR is primarily designed for automotive and industrial applications where reliable and efficient power management is crucial. It can be used in various systems such as:
- Automotive power distribution and control systems.
- Industrial automation and control systems.
- Power supply systems requiring high-side switching.
- Diagnostic and monitoring systems in vehicles and industrial equipment.
Q & A
- What is the operating voltage range of the VN7140ASTR? The operating voltage range is from 4V to 28V.
- What is the typical standby current of the VN7140ASTR? The typical standby current is 0.5 µA at VCC = 13V and Tj = 25°C.
- What type of packaging does the VN7140ASTR use? The VN7140ASTR is packaged in an SOIC-8 format.
- Is the VN7140ASTR AEC-Q100 qualified? Yes, the VN7140ASTR is AEC-Q100 qualified for automotive applications.
- What is the purpose of the MultiSense diagnostic pin? The MultiSense diagnostic pin delivers a current proportional to the selected diagnostic: load current, supply voltage, or chip temperature.
- How does the FaultRST pin function? The FaultRST pin unlatches the output in case of fault and sets the outputs in auto-restart mode if kept low.
- What is the maximum current rating of the VN7140ASTR? The maximum current rating is 12A.
- Is the VN7140ASTR RoHS compliant? Yes, the VN7140ASTR is RoHS compliant.
- What is the ECCN classification of the VN7140ASTR? The ECCN classification is EAR99.
- What are the typical applications of the VN7140ASTR? Typical applications include automotive power distribution, industrial automation, and power supply systems requiring high-side switching.
