Overview
The VN920B5-E, produced by STMicroelectronics, is a monolithic high-side driver designed using the VIPower M0-3 technology. This device is intended for driving various types of loads with one side connected to ground. It features an active VCC pin voltage clamp to protect against low energy spikes, complying with ISO7637 transient compatibility standards. The device includes active current limitation, thermal shutdown with automatic restart, and an analog current sense output proportional to the load current. It also automatically turns off in case of ground pin disconnection, ensuring robust protection and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 5.5 to 36 | V |
| On-state Resistance (RON) | 16 mΩ (IOUT = 10 A, Tj = 25 °C) | mΩ |
| DC Output Current (IOUT) | Internally limited up to 30 A | A |
| Current Sense Maximum Voltage (VCSENSE) | -3 to 15 | V |
| Thermal Shutdown Temperature (TTSD) | 150 to 200 | °C |
| Reset Temperature (TR) | 135 | °C |
| Package | P2PAK |
Key Features
- Reverse battery protection
- Very low standby power dissipation
- Compliance with 2002/95/ec European directive and AEC Guidelines
- Current limitation and thermal shutdown with automatic restart
- CMOS compatible input
- Shorted load protection
- Proportional load current sense
- Overvoltage clamp and undervoltage shutdown
- Protection against loss of ground and VCC
- ECOPACK®: lead free and RoHS compliant
Applications
The VN920B5-E is suitable for various automotive and industrial applications where robust and reliable high-side switching is required. It can be used in systems such as fuel pumps, cooling fans, and other high-current load management scenarios. Its compliance with automotive standards and transient protection makes it an ideal choice for harsh environment applications.
Q & A
- What is the primary function of the VN920B5-E?
The VN920B5-E is a high-side driver designed to drive various types of loads with one side connected to ground. - What protection features does the VN920B5-E include?
The device includes current limitation, thermal shutdown with automatic restart, overvoltage clamp, undervoltage shutdown, and protection against loss of ground and VCC. - What is the maximum DC output current of the VN920B5-E?
The maximum DC output current is internally limited up to 30 A. - Is the VN920B5-E compliant with automotive standards?
Yes, it is compliant with AEC Guidelines and ISO7637 transient compatibility standards. - What is the typical on-state resistance of the VN920B5-E?
The typical on-state resistance is 16 mΩ at IOUT = 10 A and Tj = 25 °C. - How does the device protect against low energy spikes?
The device features an active VCC pin voltage clamp to protect against low energy spikes. - What is the purpose of the analog current sense output?
The analog current sense output delivers a current proportional to the load current. - What happens if the ground pin becomes disconnected?
The device automatically turns off in case of ground pin disconnection. - Is the VN920B5-E RoHS compliant?
Yes, it is ECOPACK®: lead free and RoHS compliant. - What is the operating temperature range of the VN920B5-E?
The operating temperature range is -40 to 150 °C.
