Overview
The VND7050AJ is a double channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower® M0-7 technology. It is housed in a PowerSSO-16 package and is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface. This 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, among other protective features.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 4 | 13 | 28 | V |
| On-state Resistance (RON) | 50 | - | 100 | mΩ |
| Current Limitation (ILIMH) | 21 | 30 | 42 | A |
| Standby Current (ISTBY) | - | - | 0.5 | µA |
| Junction Operating Temperature (Tj) | -40 | - | 150 | °C |
| Thermal Shutdown Temperature (TTSD) | 150 | - | 200 | °C |
Key Features
- AEC-Q100 qualified for automotive applications.
- Double channel smart high-side driver with MultiSense analog feedback.
- Very low standby current.
- Compatible with 3 V and 5 V CMOS outputs.
- Multiplexed analog feedback of 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 dedicated fault reset pin.
- Detection of overload, short to ground, short to VCC, and OFF-state open-load.
- Electrostatic discharge protection.
Applications
The VND7050AJ is designed for various automotive applications, including:
- All types of automotive resistive, inductive, and capacitive loads.
- Automotive signal lamps (up to P27W or SAE1156 or LED Rear Combinations).
Q & A
- What is the operating supply voltage range of the VND7050AJ?
The operating supply voltage range is from 4 V to 28 V.
- What is the typical on-state resistance of the VND7050AJ?
The typical on-state resistance is 50 mΩ).
- What are the key protective features of the VND7050AJ?
The device includes undervoltage shutdown, overvoltage clamp, load current limitation, thermal shutdown, and configurable latch-off).
- How does the MultiSense diagnostic function work?
The MultiSense function provides multiplexed analog feedback of load current, supply voltage, and chip temperature, along with detection of overload and short circuits).
- What is the purpose of the FaultRST pin?
The FaultRST pin unlatches the output in case of a fault or disables the latch-off functionality).
- What is the standby current of the VND7050AJ?
The maximum standby current is 0.5 µA).
- What are the typical applications of the VND7050AJ?
The device is used in automotive applications, including signal lamps and other resistive, inductive, and capacitive loads).
- Is the VND7050AJ AEC-Q100 qualified?
Yes, the VND7050AJ is AEC-Q100 qualified for automotive applications).
- What is the junction operating temperature range of the VND7050AJ?
The junction operating temperature range is from -40°C to 150°C).
- What is the thermal shutdown temperature of the VND7050AJ?
The thermal shutdown temperature is between 150°C and 200°C).
