Overview
The VNQ7140AJTR is a quad channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower® technology. It is housed in a PowerSSO-16 package and designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface. The device provides advanced protective functions and sophisticated diagnostic capabilities, making it suitable for various automotive and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 4 | - |
| Output Current (Max) | 12 A | A |
| On-state Resistance | 0.14 Ω | Ω |
| Operating Temperature | -40 to 150 °C | °C |
| Supply Voltage Range | 7 to 28 V | V |
| Package Type | PowerSSO-16 | - |
| Mounting Type | SMD | - |
| Electrostatic Discharge (ESD) Protection | 4000 V (JEDEC 22A-114F) | V |
Key Features
- Quad channel smart high-side driver with MultiSense analog feedback
- Compatible with 3 V and 5 V CMOS outputs
- MultiSense diagnostic functions including load current sense, supply voltage feedback, and chip temperature sense
- Advanced protective functions: overload and short to ground indication, thermal shutdown, OFF-state open-load detection, output short to VCC detection
- Load current limitation and self-limiting of fast thermal transients
- Configurable latch-off on overtemperature or power limitation with dedicated fault reset pin
- Very low standby current
- Automotive qualified and RoHS compliant
Applications
The VNQ7140AJTR is primarily designed for automotive applications, including driving 12 V grounded loads. It is also suitable for various industrial applications where high reliability, advanced diagnostics, and robust protection are required. Specific use cases include automotive lighting, wiper motors, fuel pumps, and other high-current load management systems.
Q & A
- What is the VNQ7140AJTR used for?
The VNQ7140AJTR is a quad channel high-side driver used to drive 12 V automotive grounded loads and other high-current applications requiring advanced diagnostics and protection.
- What is the maximum output current of the VNQ7140AJTR?
The maximum output current of the VNQ7140AJTR is 12 A.
- What is the operating temperature range of the VNQ7140AJTR?
The operating temperature range is -40 to 150 °C.
- What type of package does the VNQ7140AJTR come in?
The VNQ7140AJTR is housed in a PowerSSO-16 package.
- Does the VNQ7140AJTR have ESD protection?
Yes, the VNQ7140AJTR has electrostatic discharge (ESD) protection up to 4000 V (JEDEC 22A-114F).
- What are the MultiSense diagnostic functions of the VNQ7140AJTR?
The MultiSense diagnostic functions include load current sense, supply voltage feedback, and chip temperature sense.
- What protective functions does the VNQ7140AJTR offer?
The VNQ7140AJTR offers protective functions such as overload and short to ground indication, thermal shutdown, OFF-state open-load detection, output short to VCC detection, and load current limitation.
- Is the VNQ7140AJTR automotive qualified?
Yes, the VNQ7140AJTR is automotive qualified.
- Can the VNQ7140AJTR be used in industrial applications?
Yes, the VNQ7140AJTR is suitable for various industrial applications requiring high reliability and advanced diagnostics.
- How does the FaultRST pin function in the VNQ7140AJTR?
The FaultRST pin can unlatch the output in case of a fault or disable the latch-off functionality.
