Overview
The VN7003AHTR, produced by STMicroelectronics, is a high-side driver designed for automotive applications. It is part of the VIPower® family and is housed in the Octapak package. This device is AEC-Q100 qualified and features extreme low voltage operation, making it suitable for deep cold cranking applications. It integrates advanced protective functions and diagnostic capabilities, ensuring robust performance and reliability in harsh automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage (VCC) | 4 to 28 | V |
| Maximum Transient Supply Voltage (VCCPK) | 40 | V |
| On-state Resistance (RON) | 3.5 mΩ (Typ. at IOUT = 15 A, Tj = 25°C) | mΩ |
| Current Limitation (ILIMH) | 135 A (Typ.) | A |
| Stand-by Current (ISTBY) | 0.5 µA (Max.) | µA |
| Minimum Cranking Supply Voltage (VUSD_Cranking) | 3 V | V |
| Thermal Shutdown Temperature (TTSD) | 175 °C (Typ.) | °C |
| Turn-on Delay Time (td(on)) | 10 to 120 µs (Typ. at Tj = 25 °C) | µs |
| Turn-off Delay Time (td(off)) | 10 to 100 µs (Typ. at Tj = 25 °C) | µs |
| Electrostatic Discharge (VESD) | 4000 V | V |
Key Features
- AEC-Q100 Qualified: Ensures the device meets stringent automotive standards.
- Extreme Low Voltage Operation: Compliant with LV124, revision 2013, for deep cold cranking applications.
- Single Channel Smart High-Side Driver: With CurrentSense analog feedback.
- Very Low Standby Current: Max 0.5 µA.
- Compatibility with 3 V and 5 V CMOS Outputs: Ensures seamless integration with various control systems.
- Diagnostic Functions: Includes overload, short to ground, thermal shutdown, OFF-state open-load detection, and output short to VCC detection.
- Protections: Undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, loss of ground and VCC, reverse battery protection, and electrostatic discharge protection.
Applications
The VN7003AHTR is specially intended for various automotive applications, including:
- Smart power distribution systems.
- Glow plugs and heating systems.
- DC motors.
- Relay replacement.
- High power resistive and inductive actuators.
Q & A
- What is the operating supply voltage range of the VN7003AHTR?
The operating supply voltage range is from 4 V to 28 V.
- What is the maximum transient supply voltage the VN7003AHTR can handle?
The maximum transient supply voltage is 40 V.
- What is the typical on-state resistance of the VN7003AHTR?
The typical on-state resistance is 3.5 mΩ at IOUT = 15 A and Tj = 25°C.
- What is the current limitation feature of the VN7003AHTR?
The device has a current limitation feature that clamps the output current to a safety level of typically 135 A.
- What is the minimum cranking supply voltage for the VN7003AHTR?
The minimum cranking supply voltage is 3 V.
- What are the diagnostic functions available on the VN7003AHTR?
The device includes diagnostic functions such as overload, short to ground, thermal shutdown, OFF-state open-load detection, and output short to VCC detection.
- What protections does the VN7003AHTR offer?
The device offers protections including undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, loss of ground and VCC, reverse battery protection, and electrostatic discharge protection.
- What is the thermal shutdown temperature of the VN7003AHTR?
The thermal shutdown temperature is typically 175 °C.
- What are the typical turn-on and turn-off delay times of the VN7003AHTR?
The typical turn-on delay time is 10 to 120 µs, and the typical turn-off delay time is 10 to 100 µs at Tj = 25 °C.
- What are some common applications of the VN7003AHTR in automotive systems?
Common applications include smart power distribution systems, glow plugs, heating systems, DC motors, relay replacement, and high power resistive and inductive actuators.
