Overview
The VN7040ASTR is a single-channel smart high-side driver manufactured by STMicroelectronics, utilizing their proprietary VIPower M0-7 technology. This device is designed for automotive applications, specifically to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface. It features advanced protective functions and diagnostic capabilities, making it a robust solution for power management in automotive systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Configuration | High Side | |
| Output Type | N-Channel | |
| Voltage Load Range | 4 V to 28 V | |
| Current Output (Max) | 24 A | |
| Rds On (Typ) | 40 mΩ | |
| Operating Temperature Range | -40°C to 150°C | |
| Package Name | SO-8 | |
| RoHS Compliance | Ecopack2 | |
| ECCN US | EAR99 | |
| ECCN EU | NEC |
Key Features
- Single Channel High-Side Driver: Designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface.
- MultiSense Analog Feedback: Provides sophisticated diagnostic functions including high precision proportional load current sense, supply voltage feedback, and chip temperature sense.
- Advanced Protective Functions: Includes load current limitation, overload active management by power limitation, overtemperature shutdown, and configurable latch-off on overtemperature or power limitation.
- Auto Restart and Status Flag: Enhances reliability and usability under fault conditions, allowing for real-time troubleshooting and monitoring.
- Low Standby Current: Very low standby current, making it energy-efficient.
- Robust Fault Protection: Features such as current limiting, open load detection, over temperature, over voltage, and UVLO (Under Voltage Lock Out) ensure long-term reliability.
- Electrostatic Discharge Protection: Ensures protection against electrostatic discharge.
Applications
The VN7040ASTR is ideal for use in power distribution systems, particularly where load drivers are required. It is well-suited for automotive applications due to its robust protective functions and diagnostic capabilities. Other potential applications include:
- Automotive power management systems
- Load drivers in various automotive subsystems
- Systems requiring high current output and advanced fault protection
Q & A
- What is the VN7040ASTR used for?
The VN7040ASTR is a single-channel smart high-side driver used for driving 12 V automotive grounded loads and providing advanced protective functions and diagnostics in automotive power management systems.
- What is the voltage load range of the VN7040ASTR?
The VN7040ASTR can handle load voltages from 4 V to 28 V.
- What is the maximum current output of the VN7040ASTR?
The maximum current output of the VN7040ASTR is 24 A.
- What protective functions does the VN7040ASTR offer?
The VN7040ASTR offers protective functions such as load current limitation, overload active management, overtemperature shutdown, and UVLO (Under Voltage Lock Out).
- What is the MultiSense feature in the VN7040ASTR?
The MultiSense feature provides multiplexed analog feedback of load current, supply voltage, and chip temperature, along with detection of overload and short circuits.
- Is the VN7040ASTR RoHS compliant?
- What is the operating temperature range of the VN7040ASTR?
- What package types are available for the VN7040ASTR?
- Does the VN7040ASTR have auto-restart functionality?
- Is the VN7040ASTR AEC-Q100 qualified?
