Overview
The VN7050ASTR is a single-channel smart high-side driver manufactured by STMicroelectronics using their proprietary VIPower M0-7 technology. This device is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing advanced protection and diagnostic functions. It is housed in an SO-8 package and is AEC-Q100 qualified, ensuring reliability in automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Max Operating Temperature | 150 | °C |
| Min Operating Temperature | -40 | °C |
| Max Output Current | 21 | A |
| Nominal Input Voltage | 13 | V |
| Typical On-State Resistance (per Channel) | 50 | mΩ |
| Current Limitation (Typical) | 30 | A |
| Standby Current (Max) | 0.5 | µA |
| Operating Voltage Range (VCC) | 4 to 28 | V |
| Max Transient Supply Voltage (VCC) | 40 | V |
Key Features
- Single channel smart high-side driver with MultiSense analog feedback
- Very low standby current
- Compatible with 3 V and 5 V CMOS outputs
- Multiplexed analog feedback of load current, supply voltage, and chip temperature
- Overload and short to ground (power limitation) indication
- Thermal shutdown indication
- OFF-state open-load detection
- Output short to VCC detection
- Sense enable/disable
- Undervoltage shutdown, overvoltage clamp, load current limitation, and self-limiting of fast thermal transients
- Loss of ground and loss of VCC protection
- Reverse battery protection with external components
- Electrostatic discharge protection
- Configurable latch-off on overtemperature or power limitation with dedicated fault reset pin
Applications
The VN7050ASTR is typically used in various automotive applications, including resistive, inductive, and capacitive loads. It is suitable for driving 12 V automotive grounded loads and provides comprehensive diagnostic and protective functions, making it ideal for reliable operation in automotive systems.
Q & A
- What is the VN7050ASTR used for?
The VN7050ASTR is a single-channel smart high-side driver designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing protection and diagnostics.
- What are the key protective features of the VN7050ASTR?
The device includes load current limitation, overload active management by power limitation, overtemperature shutdown, undervoltage shutdown, overvoltage clamp, and electrostatic discharge protection among others.
- What is the MultiSense analog feedback feature?
The MultiSense feature provides multiplexed analog feedback of load current, supply voltage, and chip temperature, as well as indications for overload, short to ground, short to VCC, and OFF-state open-load.
- What is the operating temperature range of the VN7050ASTR?
The operating temperature range is from -40°C to 150°C.
- Is the VN7050ASTR AEC-Q100 qualified?
- What is the typical on-state resistance of the VN7050ASTR?
The typical on-state resistance is 50 mΩ.
- How does the sense enable/disable feature work?
The sense enable/disable feature allows OFF-state diagnosis to be disabled during the module's low-power mode and enables external sense resistor sharing among similar devices.
- What is the maximum output current of the VN7050ASTR?
The maximum output current is 21 A.
- What is the standby current of the VN7050ASTR?
The standby current is a maximum of 0.5 µA.
- What are the typical applications of the VN7050ASTR?
The device is typically used in various automotive applications, including resistive, inductive, and capacitive loads.
