Overview
The VND7140AJ12TR-E is a double-channel smart high-side driver produced by STMicroelectronics. This component is specifically designed for automotive applications and is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It features MultiSense analog feedback, which provides sophisticated diagnostic functions such as load current sensing, supply voltage feedback, and chip temperature sensing. The device is known for its very low standby current and compatibility with 3 V and 5 V CMOS outputs, making it versatile for various automotive systems.
Key Specifications
| Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VCC Operating Supply Voltage | - | 4 | 13 | 28 | V |
| VUSD Undervoltage Shutdown | - | 2.85 | - | - | V |
| RON On-state Resistance (per Channel) | IOUT = 1 A; Tj = 25°C | - | 140 | 280 | mΩ |
| ILIMH DC Short Circuit Current | VCC = 13 V | 8 | 12 | 16 | A |
| TTSD Shutdown Temperature | - | 150 | - | 200 | °C |
| ISTBY Standby Current | - | - | - | 0.5 | µA |
| EMAX Maximum Switching Energy (Single Pulse) | TDEMAG = 0.4 ms; Tjstart = 150 °C | - | - | 10 | mJ |
Key Features
- MultiSense Analog Feedback: Provides high precision proportional load current sense, supply voltage feedback, and chip temperature sense.
- Diagnostic Functions: Includes overload and short circuit to ground, short to VCC, and OFF-state open-load detection.
- Protections: Features power limitation, thermal shutdown, current limitation, and negative voltage clamp.
- Low Standby Current: Very low standby current to minimize power consumption.
- Compatibility: Compatible with 3 V and 5 V CMOS outputs.
- AEC-Q100 Qualified: Meets automotive standards for reliability and performance.
- Extreme Low Voltage Operation: Compliant with LV124, revision 2013, for deep cold cranking applications.
Applications
The VND7140AJ12TR-E is designed for various automotive applications, including:
- Automotive body control modules
- Lighting systems
- Power distribution systems
- Engine control units
- Other automotive systems requiring high reliability and diagnostic capabilities
Q & A
- What is the operating supply voltage range of the VND7140AJ12TR-E?
The operating supply voltage range is from 4 V to 28 V.
- What is the typical on-state resistance of the VND7140AJ12TR-E?
The typical on-state resistance is 140 mΩ per channel at 25°C.
- What are the diagnostic functions provided by the MultiSense feature?
The MultiSense feature provides load current sensing, supply voltage feedback, chip temperature sensing, overload detection, short circuit to ground detection, short to VCC detection, and OFF-state open-load detection.
- What is the maximum standby current of the VND7140AJ12TR-E?
The maximum standby current is 0.5 µA.
- Is the VND7140AJ12TR-E AEC-Q100 qualified?
Yes, the VND7140AJ12TR-E is AEC-Q100 qualified, meeting automotive standards for reliability and performance.
- What is the shutdown temperature of the VND7140AJ12TR-E?
The shutdown temperature is between 150°C and 200°C.
- What is the maximum switching energy of the VND7140AJ12TR-E?
The maximum switching energy is 10 mJ for a single pulse.
- What are the protections provided by the VND7140AJ12TR-E?
The protections include power limitation, thermal shutdown, current limitation, and negative voltage clamp.
- Is the VND7140AJ12TR-E compatible with 3 V and 5 V CMOS outputs?
Yes, it is compatible with both 3 V and 5 V CMOS outputs.
- What is the typical DC short circuit current of the VND7140AJ12TR-E?
The typical DC short circuit current is 12 A at VCC = 13 V.
