Overview
The VN7020AJTR is a high-side driver IC produced by STMicroelectronics, designed for automotive applications. It features ST's proprietary VIPower® M0-7 technology and is housed in a PowerSSO-16 package. This device is AEC-Q100 qualified, ensuring reliability and performance in harsh automotive environments. It is specifically tailored for driving 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing advanced protection and diagnostic functions.
Key Specifications
| Configuration | No of Outputs | On-state Resistance-Max | Output Current | Supply Voltage-Max | Turn-off Delay Time | Turn-on Delay Time | Operating Temp Range | Package Style | Mounting Method |
|---|---|---|---|---|---|---|---|---|---|
| High Side | Single | 20mΩ | 45A | 28V | 120ns | 100ns | -40°C to +150°C | POWERSSO-16 | Surface Mount |
Key Features
- Single channel smart high-side driver with MultiSense analog feedback for advanced diagnostics and protection.
- Very low standby current and integrated protective functions such as load current limitation, overload active management by power limitation, and overtemperature shutdown with configurable latch-off.
- A dedicated multifunction multiplexed analog output pin for sophisticated diagnostic functions including high precision proportional load current sense, supply voltage feedback, and chip temperature sense.
- Protection against short circuit to ground, short to VCC, and OFF-state open-load.
- Reverse battery protection with external components and electrostatic discharge protection.
Applications
The VN7020AJTR is specifically designed for automotive applications, including:
- Automotive turn indicators (up to 2x P27W or SAE1156 and R5W paralleled or LED rear combinations).
- Protected supply for ADAS (Advanced Driver Assistance Systems) such as radars and sensors.
- All types of automotive resistive, inductive, and capacitive loads.
Q & A
- What is the VN7020AJTR used for? The VN7020AJTR is used as a high-side driver for automotive applications, providing advanced protection and diagnostic functions.
- What is the maximum output current of the VN7020AJTR? The maximum output current is 45A.
- What is the maximum supply voltage for the VN7020AJTR? The maximum supply voltage is 28V.
- What package style does the VN7020AJTR come in? The VN7020AJTR is housed in a PowerSSO-16 package.
- What is the operating temperature range of the VN7020AJTR? The operating temperature range is -40°C to +150°C.
- Is the VN7020AJTR AEC-Q100 qualified? Yes, the VN7020AJTR is AEC-Q100 qualified.
- What types of loads can the VN7020AJTR drive? The VN7020AJTR can drive automotive resistive, inductive, and capacitive loads.
- What protective functions does the VN7020AJTR include? The VN7020AJTR includes load current limitation, overload active management by power limitation, and overtemperature shutdown with configurable latch-off.
- How does the VN7020AJTR provide diagnostic functions? The VN7020AJTR provides diagnostic functions through a dedicated multifunction multiplexed analog output pin, including load current sense, supply voltage feedback, and chip temperature sense.
- What is the purpose of the FaultRST pin in the VN7020AJTR? The FaultRST pin unlatches the output in case of fault or disables the latch-off functionality.
