Overview
The VN7140AS12TR is a single-channel high-side driver (HSD) manufactured by STMicroelectronics using their proprietary VIPower® M07 technology. This device is housed in an SO-8 package and is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface. It provides advanced protection and diagnostic functions, making it suitable for various automotive applications. The VN7140AS12TR integrates features such as load current limitation, overload active management, and overtemperature shutdown, ensuring robust and reliable operation in demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 4 to 28 | V |
| Maximum Transient Supply Voltage | 40 | V |
| Minimum Cranking Supply Voltage (VUSD_Cranking) | 2.85 | V |
| On-state Resistance (RON) | 140 mΩ (at IOUT = 1 A, Tj = 25°C) | mΩ |
| Current Limitation (ILIMH) | 12 A (typ.) | A |
| Standby Current (ISTBY) | 0.5 µA (max.) | µA |
| Shutdown Temperature (TTSD) | 150 °C | °C |
| Operating Temperature Range | -40 °C to 150 °C | °C |
Key Features
- AEC-Q100 qualified for automotive applications
- Extreme low voltage operation for deep cold cranking applications (compliant with LV124, revision 2013)
- Single channel smart high-side driver with Multisense analog feedback
- Very low standby current
- Compatible with 3 V and 5 V CMOS outputs
- Multisense diagnostic functions including analog feedback of load current, overload and short to ground indication, thermal shutdown indication, and OFF-state open-load detection
- Protections include undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, loss of ground and VCC, and reverse battery protection with external components
- Electrostatic discharge protection
Applications
The VN7140AS12TR is designed for various automotive applications, including:
- All types of automotive resistive, inductive, and capacitive loads
- Specially intended for automotive signal lamps (up to R10W or LED Rear Combinations)
Q & A
- What is the VN7140AS12TR used for?
The VN7140AS12TR is a single-channel high-side driver used to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing protection and diagnostics.
- What technology is used in the VN7140AS12TR?
The VN7140AS12TR is manufactured using STMicroelectronics' proprietary VIPower® M07 technology.
- What is the operating voltage range of the VN7140AS12TR?
The operating voltage range is from 4 V to 28 V.
- What is the minimum cranking supply voltage for the VN7140AS12TR?
The minimum cranking supply voltage is 2.85 V.
- What are the key diagnostic functions of the VN7140AS12TR?
The key diagnostic functions include analog feedback of load current, overload and short to ground indication, thermal shutdown indication, and OFF-state open-load detection.
- What protections does the VN7140AS12TR offer?
The protections include undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, loss of ground and VCC, and reverse battery protection with external components.
- What is the typical on-state resistance of the VN7140AS12TR?
The typical on-state resistance is 140 mΩ at IOUT = 1 A and Tj = 25°C.
- What is the maximum transient supply voltage the VN7140AS12TR can handle?
The maximum transient supply voltage is 40 V.
- What is the operating temperature range of the VN7140AS12TR?
The operating temperature range is from -40 °C to 150 °C.
- Is the VN7140AS12TR AEC-Q100 qualified?
Yes, the VN7140AS12TR is AEC-Q100 qualified for automotive applications.
