Overview
The VND7050AJ12TR, produced by STMicroelectronics, is a double-channel high-side driver designed for automotive and industrial applications. This component is notable for its extreme low voltage operation, making it suitable for deep cold cranking conditions and compliant with LV124, revision 2013. It features advanced diagnostic capabilities, including current sense, supply voltage feedback, and chip temperature sense, along with protections against overload, short circuits, and negative output voltage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 4 to 28 | V |
| Maximum Transient Supply Voltage (VCCPK) | 40 | V |
| Maximum Jump Start Voltage (VCCJS) | 28 | V |
| On-state Resistance (RON) | 50 to 100 | mΩ |
| Undervoltage Shutdown (VUSD) | 2.85 | V |
| Undervoltage Shutdown Reset (VUSDReset) | 5 | V |
| Junction Operating Temperature (Tj) | -40 to 150 | °C |
| Storage Temperature (Tstg) | -55 to 150 | °C |
| Thermal Shutdown Temperature (TTSD) | 150 to 200 | °C |
| DC Short Circuit Current (ILIMH) | 21 to 42 | A |
Key Features
- Double-channel high-side driver with advanced diagnostic functions.
- CurrentSense analog feedback for precise load current sensing.
- Supply voltage feedback and chip temperature sense.
- Detection of overload, short circuit to ground, short to VCC, and OFF-state open-load.
- Extreme low voltage operation for deep cold cranking applications.
- Compliant with LV124, revision 2013.
- Thermal shutdown and current limitation protections.
- Negative voltage clamp and power limitation features.
- Compatible with 3 V and 5 V CMOS outputs.
Applications
- Automotive systems, including engine control units, fuel pumps, and other high-current loads.
- Industrial control systems requiring robust and reliable high-side drivers.
- Power management in battery-powered systems.
- Protection and control of inductive loads.
- Systems requiring advanced diagnostic and feedback capabilities.
Q & A
- What is the operating voltage range of the VND7050AJ12TR?
The operating voltage range is from 4 V to 28 V.
- What are the key diagnostic functions of the VND7050AJ12TR?
The component features current sense, supply voltage feedback, and chip temperature sense, along with detection of overload, short circuit to ground, short to VCC, and OFF-state open-load.
- What is the maximum transient supply voltage the VND7050AJ12TR can handle?
The maximum transient supply voltage is 40 V.
- What is the typical on-state resistance of the VND7050AJ12TR?
The typical on-state resistance is 50 mΩ at 25°C and 100 mΩ at 150°C.
- What are the thermal shutdown and reset temperatures for the VND7050AJ12TR?
The thermal shutdown temperature is between 150°C and 200°C, and the reset temperature is typically 7°C above the shutdown temperature.
- How does the VND7050AJ12TR protect against negative output voltage?
The component features a negative voltage clamp to protect against negative output voltage conditions.
- What is the purpose of the CurrentSense pin in the VND7050AJ12TR?
The CurrentSense pin delivers a current proportional to the load current, enabling precise current sensing and diagnostic functions.
- Is the VND7050AJ12TR compatible with 3 V and 5 V CMOS outputs?
- What are the storage and operating temperature ranges for the VND7050AJ12TR?
The storage temperature range is -55°C to 150°C, and the operating temperature range is -40°C to 150°C.
- How does the VND7050AJ12TR handle short circuits to ground?
The component has built-in protections for short circuits to ground, including current limitation and thermal shutdown features.
