Overview
The VN7020AJ-E is a single-channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower® M0-7 technology. It is housed in a PowerSSO-16 package and is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface. This device provides advanced protection and diagnostic functions, making it suitable for various automotive applications. The VN7020AJ-E integrates multiple protective features such as load current limitation, overload active management, and overtemperature shutdown with configurable latch-off, ensuring robust and reliable operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 4 to 28 | V |
| Maximum Transient Supply Voltage (VCCPK) | 40 | V |
| Junction Operating Temperature (Tj) | -40 to 150 | °C |
| Storage Temperature (Tstg) | -55 to 150 | °C |
| On-State Resistance (RON) | 20 to 40 | mΩ |
| Undervoltage Shutdown (VUSD) | 4 | V |
| Short Circuit Current (ILIMH) | 45 to 90 | A |
| Thermal Shutdown Temperature (TTSD) | 150 to 200 | °C |
Key Features
- Single Channel Smart High-Side Driver: With MultiSense analog feedback for load current, supply voltage, and chip temperature.
- Low Standby Current: Very low standby current to minimize power consumption.
- CMOS Compatibility: Compatible with 3 V and 5 V CMOS outputs.
- Diagnostic Functions: Multiplexed analog feedback for load current, supply voltage, and chip temperature. Also includes overload, short to ground, short to VCC, and OFF-state open-load detection.
- Protections: Undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, and configurable latch-off on overtemperature or power limitation.
- Fault Reset Pin: Active low pin to unlatch the output in case of fault or to disable the latch-off functionality.
- Electrostatic Discharge Protection: Protection against electrostatic discharge (ESD) according to JEDEC standards.
Applications
- Automotive Loads: Suitable for all types of automotive resistive, inductive, and capacitive loads.
- Automotive Turn Indicators: Specifically intended for automotive turn indicators (up to 2 x P27W or SAE1156 and R5W paralleled or LED rear combinations).
- ADAS Systems: Protected supply for Advanced Driver Assistance Systems (ADAS) such as radars and sensors.
Q & A
- What is the VN7020AJ-E used for?
The VN7020AJ-E is a single-channel high-side driver used to drive 12 V automotive grounded loads and provide advanced protection and diagnostic functions.
- What package does the VN7020AJ-E come in?
The VN7020AJ-E is housed in a PowerSSO-16 package.
- What are the key diagnostic functions of the VN7020AJ-E?
The device provides multiplexed analog feedback for load current, supply voltage, and chip temperature, as well as detection of overload, short to ground, short to VCC, and OFF-state open-load.
- What are the protection features of the VN7020AJ-E?
The device includes undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, and configurable latch-off on overtemperature or power limitation.
- How does the FaultRST pin function?
The FaultRST pin is an active low pin that unlatches the output in case of a fault or disables the latch-off functionality if kept low.
- What is the operating temperature range of the VN7020AJ-E?
The junction operating temperature range is -40 to 150 °C.
- What is the maximum transient supply voltage for the VN7020AJ-E?
The maximum transient supply voltage is 40 V.
- Is the VN7020AJ-E compatible with CMOS outputs?
Yes, it is compatible with 3 V and 5 V CMOS outputs.
- What types of automotive loads can the VN7020AJ-E handle?
The device can handle all types of automotive resistive, inductive, and capacitive loads.
- Does the VN7020AJ-E have electrostatic discharge protection?
Yes, it has electrostatic discharge protection according to JEDEC standards.
