Overview
The VNQ500, produced by STMicroelectronics, is a quad-channel high-side driver designed using the 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 low power consumption, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Max Supply Voltage (VCC) | 41 | V |
| Operating Voltage Range (VCC) | 5.5 to 36 | V |
| Max On-state Resistance (RON) | 500 mΩ | mΩ |
| Current Limitation (typical) | 0.4 A | A |
| Off-state Supply Current (IS) | 25 µA | µA |
| Junction Operating Temperature (Tj) | -40 to 150 | °C |
| Storage Temperature (Tstg) | -55 to 150 | °C |
| Thermal Resistance Junction-Case (Rthj-case) | 17 °C/W | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 61 °C/W (1), 50 °C/W (2) | °C/W |
(1) When mounted on a standard single-sided FR-4 board with 0.5 cm² of Cu connected to all VCC pins.
(2) When mounted on a standard single-sided FR-4 board with 8 cm² of Cu connected to all VCC pins.
Key Features
- CMOS compatible I/Os
- Chip Enable (CE) pin for control
- Junction overtemperature protection and diagnostic
- Current limitation and shorted load protection
- Undervoltage shutdown and protection against loss of ground
- Very low standby current
- In compliance with the 2002/95/EC European directive
Applications
The VNQ500 is suitable for various applications requiring high-side switching, including:
- Automotive systems (e.g., lighting, wipers, pumps)
- Industrial control systems
- Power tools and appliances
- Medical devices requiring reliable high-side switching
- Any application needing robust and protected high-side drivers
Q & A
- What is the maximum supply voltage for the VNQ500?
The maximum supply voltage (VCC) for the VNQ500 is 41 V.
- What is the operating voltage range of the VNQ500?
The operating voltage range is from 5.5 V to 36 V.
- What is the typical current limitation of the VNQ500?
The typical current limitation is 0.4 A.
- What are the thermal resistance values for the VNQ500?
The thermal resistance junction-case (Rthj-case) is 17 °C/W, and the thermal resistance junction-ambient (Rthj-amb) is 61 °C/W or 50 °C/W depending on the mounting conditions.
- Does the VNQ500 have overtemperature protection?
- How does the VNQ500 protect against shorted loads?
The device includes current limitation and shorted load protection mechanisms.
- What is the standby current of the VNQ500?
The off-state supply current (IS) is 25 µA.
- Is the VNQ500 compliant with any specific European directives?
- What package type is the VNQ500 available in?
The VNQ500 is available in the PowerSSO-12 package.
- What are some common applications for the VNQ500?
Common applications include automotive systems, industrial control systems, power tools, and medical devices.
