Overview
The VN820PT is a high-side driver integrated circuit designed by STMicroelectronics using their VIPower® M0-3 technology. This monolithic device is intended for driving various types of loads with one side connected to ground. It features advanced protection mechanisms and diagnostic capabilities, making it suitable for a wide range of automotive and industrial applications. The VN820PT is available in several package types, including TO-252-5, DPak (4 Leads + Tab), and TO-252AD, ensuring flexibility in design and implementation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 5.5 to 36 | V |
| Reverse DC Supply Voltage | -0.3 | V |
| DC Output Current (IOUT) | Internally limited, up to 9 A | A |
| On-state Resistance (RON) | 40 mΩ (typical) | mΩ |
| Under-voltage Shutdown (VUSD) | 3 to 5.5 | V |
| Over-voltage Shutdown (VOV) | 36 | V |
| Junction Operating Temperature (Tj) | -40 to 150 | °C |
| Storage Temperature (Tstg) | -55 to 150 | °C |
Key Features
- Very low standby current
- CMOS compatible input
- On-state and off-state open-load detection
- Thermal shutdown protection and diagnosis
- Undervoltage shutdown
- Overvoltage clamp
- Output stuck to VCC detection
- Load current limitation
- Reverse battery protection
- Electrostatic discharge protection
- Auto restart after fault conditions
- Status flag for diagnostic purposes
Applications
The VN820PT is designed for use in various automotive and industrial applications, including but not limited to:
- Automotive systems such as fuel pumps, cooling fans, and other high-current loads
- Industrial control systems requiring reliable and protected high-side switching
- Power distribution and load management in harsh environments
Q & A
- What is the maximum output current of the VN820PT?
The maximum output current of the VN820PT is internally limited, up to 9 A.
- What are the operating voltage ranges for the VN820PT?
The VN820PT operates within a DC supply voltage range of 5.5 to 36 V.
- Does the VN820PT have thermal protection?
Yes, the VN820PT features thermal shutdown protection and automatic restart.
- What types of packages are available for the VN820PT?
The VN820PT is available in TO-252-5, DPak (4 Leads + Tab), and TO-252AD packages.
- Is the VN820PT protected against reverse battery conditions?
Yes, the VN820PT includes reverse battery protection.
- Does the VN820PT support CMOS compatible inputs?
Yes, the VN820PT has CMOS compatible inputs.
- What is the typical on-state resistance of the VN820PT?
The typical on-state resistance (RON) of the VN820PT is 40 mΩ.
- Does the VN820PT have open-load detection capabilities?
Yes, the VN820PT detects open-load conditions in both on-state and off-state modes.
- Is the VN820PT compliant with automotive standards?
Yes, the VN820PT is compliant with AEC guidelines and is suitable for automotive applications.
- Does the VN820PT have electrostatic discharge protection?
Yes, the VN820PT includes electrostatic discharge protection.
