Overview
The VND7E025AJTR is a dual-channel high-side driver manufactured by STMicroelectronics, utilizing their proprietary VIPower M0-7 technology. This device is designed for automotive applications and is housed in a PowerSSO-16 package. It is engineered to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing advanced protection and diagnostic functions.
The device integrates various protective features such as load current limitation, overload active management by power limitation, and overtemperature shutdown with configurable latch-off. It also includes sophisticated diagnostic functions, including high precision proportional load current sense, supply voltage feedback, and chip temperature sense.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Voltage Range (VCC) | 4 | - | 28 | V |
| Max. Transient Supply Voltage (VCC) | - | - | 40 | V |
| On-state Resistance (RON) per Channel | - | 27 | - | mΩ |
| Current Limitation (ILIMH) | 40 | 61 | 80 | A |
| Standby Current (ISTBY) | - | - | 0.5 | µA |
| Minimum Cranking Supply Voltage (VUSD_cranking) | 2.85 | - | - | V |
| Shutdown Temperature (TTSD) | 150 | - | - | °C |
Key Features
- AEC-Q100 qualified for automotive applications.
- Extreme low voltage operation for deep cold cranking applications (compliant with LV124, revision 2013).
- Very low standby current.
- Compatible with 3 V and 5 V CMOS outputs.
- CurrentSense diagnostic functions including analog feedback of load current, overload and short to ground indication, thermal shutdown indication, OFF-state open-load detection, and output short to VCC detection.
- Advanced protective functions such as undervoltage shutdown, overvoltage clamp, load current limitation, and self-limiting of fast thermal transients.
- Configurable latch-off on overtemperature or power limitation with a dedicated fault reset pin.
- Loss of ground and loss of VCC protection.
- Reverse battery protection with external components.
- Electrostatic discharge protection.
Applications
- Automotive resistive, inductive, and capacitive loads.
- Protected supply for ADAS (Advanced Driver Assistance Systems) such as radars and sensors.
- Automotive lamps.
Q & A
- What is the operating voltage range of the VND7E025AJTR?
The operating voltage range is from 4 V to 28 V.
- What is the maximum transient supply voltage the device can handle?
The maximum transient supply voltage is 40 V.
- What is the typical on-state resistance per channel?
The typical on-state resistance per channel is 27 mΩ.
- What is the current limitation of the device?
The current limitation is typically 61 A.
- What is the standby current of the device?
The maximum standby current is 0.5 µA.
- What is the minimum cranking supply voltage?
The minimum cranking supply voltage is 2.85 V.
- Is the device AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified for automotive applications.
- What diagnostic functions does the device provide?
The device provides diagnostic functions including analog feedback of load current, overload and short to ground indication, thermal shutdown indication, OFF-state open-load detection, and output short to VCC detection.
- What are the typical applications of the VND7E025AJTR?
The typical applications include automotive resistive, inductive, and capacitive loads, protected supply for ADAS systems, and automotive lamps.
- How does the device protect against overtemperature?
The device has overtemperature shutdown with configurable latch-off and a dedicated fault reset pin.
