Overview
The VND7140AJTR is a double channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower technology. This device is housed in a PowerSSO-16 package and is designed for automotive applications. It features a 3 V and 5 V CMOS-compatible interface, enabling it to drive 12 V automotive grounded loads. The VND7140AJTR integrates advanced protective functions and diagnostic capabilities, making it a robust solution for various automotive systems.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 4 | 13 | 28 | V |
| On-state Resistance (RON) per Channel | 140 | - | 280 | mΩ |
| Current Limitation (ILIMH) | - | 12 | - | A |
| Standby Current (ISTBY) | - | - | 0.5 | µA |
| Operating Temperature Range | -40 | - | 150 | °C |
Key Features
- Double 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, VCC supply voltage, and chip temperature
- Diagnostic functions including overload and short to ground indication, thermal shutdown indication, and OFF-state open-load detection
- Protections such as undervoltage shutdown, overvoltage clamp, load current limitation, and self-limiting of fast thermal transients
- Configurable latch-off on overtemperature or power limitation with a dedicated fault reset pin
- Electrostatic discharge protection and reverse battery protection with external components
Applications
The VND7140AJTR is primarily designed for automotive applications, including but not limited to:
- Automotive body control modules
- Lighting systems
- Heating and cooling systems
- Other automotive load control systems requiring high reliability and diagnostic capabilities
Q & A
- What is the VND7140AJTR used for?
The VND7140AJTR is a double channel high-side driver used in automotive applications to drive 12 V grounded loads through a 3 V and 5 V CMOS-compatible interface.
- What package does the VND7140AJTR come in?
The VND7140AJTR is housed in a PowerSSO-16 package.
- What are the key diagnostic functions of the VND7140AJTR?
The device provides multiplexed analog feedback of load current, VCC supply voltage, and chip temperature, as well as indications for overload, short to ground, thermal shutdown, and OFF-state open-load detection.
- What protections does the VND7140AJTR offer?
The device includes protections such as undervoltage shutdown, overvoltage clamp, load current limitation, and self-limiting of fast thermal transients. It also features configurable latch-off on overtemperature or power limitation.
- Is the VND7140AJTR AEC-Q100 qualified?
Yes, the VND7140AJTR is AEC-Q100 qualified, ensuring it meets the standards for automotive applications.
- What is the operating temperature range of the VND7140AJTR?
The operating temperature range is from -40°C to 150°C.
- How does the VND7140AJTR handle fault conditions?
The device includes a FaultRST pin that can unlatch the output in case of a fault or disable the latch-off functionality.
- Can the VND7140AJTR be used in low-power mode?
Yes, the device has a very low standby current and allows for OFF-state diagnosis to be disabled during low-power mode.
- Is the VND7140AJTR RoHS compliant?
No, the VND7140AJTR is not RoHS compliant according to the provided documentation.
- Where can I find more detailed specifications for the VND7140AJTR?
Detailed specifications can be found in the datasheet available on STMicroelectronics' official website and other electronic component databases.
