Overview
The VNQ7040AY-E is a quad channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower® technology. It is housed in a PowerSSO-36 package and designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface. The device provides advanced protection and diagnostic functions, making it suitable for various automotive applications. It integrates load current limitation, overload active management by power limitation, and overtemperature shutdown with configurable latch-off, enhancing its reliability and safety features.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range (VCC) | 4 to 28 | V |
| Typical On-State Resistance (per channel) | 40 | mΩ |
| Current Limitation (typical) | 34 | A |
| Standby Current (maximum) | 0.5 | µA |
| Maximum Transient Supply Voltage (VCC) | 41 | V |
| Thermal Shutdown Temperature | 150 to 200 | °C |
| Electrostatic Discharge Protection (VESD) | 4000 | V |
Key Features
- Quad channel smart high-side driver with MultiSense analog feedback.
- LED Mode for channels 0 and 1.
- Very low standby current.
- Compatible with 3 V and 5 V CMOS outputs.
- Multiplexed analog feedback for load current, supply voltage, and chip temperature.
- Advanced protective functions including undervoltage shutdown, overvoltage clamp, load current limitation, and thermal shutdown.
- Configurable latch-off on overtemperature or power limitation with a dedicated fault reset pin.
- Detection of overload, short to ground, short to VCC, and OFF-state open-load.
- AEC-Q100 qualified for automotive applications.
Applications
The VNQ7040AY-E is specifically designed for automotive applications, including:
- Automotive resistive, inductive, and capacitive loads.
- Automotive Turn Indicators (up to P27W or SAE1156 and R5W paralleled or LED Rear Combinations).
Q & A
- What is the VNQ7040AY-E used for?
The VNQ7040AY-E is a quad channel high-side driver used to drive 12 V automotive grounded loads and provide advanced protection and diagnostic functions.
- What package does the VNQ7040AY-E come in?
The VNQ7040AY-E is housed in a PowerSSO-36 package.
- What are the operating voltage ranges for the VNQ7040AY-E?
The operating voltage range is from 4 V to 28 V.
- What is the typical on-state resistance of the VNQ7040AY-E?
The typical on-state resistance is 40 mΩ per channel.
- Does the VNQ7040AY-E have any diagnostic functions?
Yes, it features multiplexed analog feedback for load current, supply voltage, and chip temperature, as well as detection of overload and short circuits.
- What kind of protections does the VNQ7040AY-E offer?
The device offers undervoltage shutdown, overvoltage clamp, load current limitation, thermal shutdown, and configurable latch-off on overtemperature or power limitation.
- Is the VNQ7040AY-E qualified for automotive use?
Yes, it is AEC-Q100 qualified for automotive applications.
- What is the maximum transient supply voltage the VNQ7040AY-E can handle?
The maximum transient supply voltage is 41 V.
- How does the VNQ7040AY-E handle thermal shutdown?
The device has a thermal shutdown temperature range of 150°C to 200°C.
- What is the standby current of the VNQ7040AY-E?
The maximum standby current is 0.5 µA.
