Overview
The VN920-E is a monolithic device designed in STMicroelectronics' VIPower™ M0-3 technology. It is intended for driving any type of load with one side connected to ground. This high-side driver integrates various protection features and sensing capabilities, making it suitable for a wide range of applications. The device is known for its active VCC pin voltage clamp, which protects against low energy spikes, and its active current limitation combined with thermal shutdown and automatic restart, which protects against overloads.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 5.5 | 13 | 36 | V |
| Under-voltage Shutdown (VUSD) | 3 | 4 | 5.5 | V |
| Over-voltage Shutdown (VOV) | - | - | 36 | V |
| On-state Resistance (RON) | 16 | 32 | 55 | mΩ |
| Output Current (IOUT) | - | - | 30 A | A |
| Clamp Voltage (VCLAMP) | 41 | 48 | 55 | V |
| Thermal Shutdown Temperature (TTSD) | 150 | 175 | 200 | °C |
| Reset Temperature (TR) | - | 135 | - | °C |
| Current Limitation (ILIM) | 30 | 45 | 75 | A |
Key Features
- CMOS compatible input
- Proportional load current sense
- Shorted load protection
- Under-voltage and over-voltage shutdown
- Over-voltage clamp
- Thermal shutdown with automatic restart
- Current limitation
- Protection against loss of ground and loss of VCC
- Very low standby power dissipation
- Reverse battery protected
- In compliance with the 2002/95/EC European directive
Applications
The VN920-E is suitable for various applications requiring high-side driver capabilities, including but not limited to:
- Automotive systems
- Industrial control systems
- Power management in electronic devices
- Load driving in robotics and automation
- Safety-critical systems requiring robust protection features
Q & A
- What is the operating supply voltage range of the VN920-E?
The operating supply voltage range is from 5.5V to 36V.
- What is the maximum output current of the VN920-E?
The maximum output current is 30A.
- What protection features does the VN920-E have?
The device includes under-voltage and over-voltage shutdown, over-voltage clamp, thermal shutdown, current limitation, and protection against loss of ground and VCC.
- How does the VN920-E protect against overloads?
The device protects against overloads through active current limitation combined with thermal shutdown and automatic restart.
- What is the purpose of the current sense output in the VN920-E?
The current sense output delivers a current proportional to the load current, allowing for real-time monitoring of the load.
- Is the VN920-E reverse battery protected?
- What are the thermal shutdown and reset temperatures of the VN920-E?
The thermal shutdown temperature is between 150°C and 200°C, and the reset temperature is 135°C.
- Does the VN920-E comply with any specific European directives?
- What are the typical applications of the VN920-E?
The VN920-E is used in automotive systems, industrial control systems, power management in electronic devices, and other applications requiring robust high-side driver capabilities.
- How does the VN920-E protect against short circuits?
The device includes shorted load protection and turns off in case of a short circuit to ground or VCC.
