Overview
The VN7004CHTR, produced by STMicroelectronics, is a single-channel high-side driver designed for automotive applications. It is manufactured using ST's proprietary VIPower technology and is housed in the Octapak package. This device is intended to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing advanced protection and diagnostic functions.
The VN7004CHTR is AEC-Q100 qualified, ensuring it meets the stringent standards for automotive electronics. It features a very low standby current and is compatible with both 3 V and 5 V CMOS outputs. The device integrates various protective functions, including load current limitation, overload management, and thermal shutdown, making it robust and reliable for demanding automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 4 to 28 | V |
| Maximum Transient Supply Voltage (VCCPK) | 40 | V |
| Typical On-State Resistance (RON) | 4 mΩ | mΩ |
| Current Limitation (ILIMH) | 135 A | A |
| Standby Current (ISTBY) | 0.5 µA | µA |
| Junction Operating Temperature (Tj) | -40 to 150 °C | °C |
| Storage Temperature (Tstg) | -55 to 150 °C | °C |
| Electrostatic Discharge (VESD) | 4000 V | V |
Key Features
- Advanced Protective Functions: Includes undervoltage shutdown, overvoltage clamp, load current limitation, and thermal shutdown.
- Diagnostic Functions: Provides indications for overload, short to ground, thermal shutdown, OFF-state open-load detection, and output short to VCC.
- CurrentSense Analog Feedback: Delivers an analog output proportional to the load current, enabling current monitoring and diagnostics.
- Low Standby Current: Very low standby current to minimize power consumption when the device is in standby mode.
- Compatibility with CMOS Outputs: Compatible with both 3 V and 5 V CMOS outputs.
- Reverse Battery Protection: Internal structures protect against reverse battery conditions without the need for external components.
Applications
The VN7004CHTR is specifically designed for various automotive applications, including:
- Smart Power Distribution: For managing power in advanced automotive systems.
- Glow Plugs and Heating Systems: Driving high-power resistive and inductive loads.
- DC Motors: Controlling DC motors in automotive environments.
- Relay Replacement: Serving as a more efficient and reliable alternative to traditional relays.
Q & A
- What is the operating voltage range of the VN7004CHTR?
The operating voltage range is from 4 V to 28 V.
- What is the typical on-state resistance of the VN7004CHTR?
The typical on-state resistance is 4 mΩ.
- What is the maximum current limitation of the VN7004CHTR?
The maximum current limitation is 135 A.
- What is the standby current of the VN7004CHTR?
The standby current is 0.5 µA.
- Is the VN7004CHTR AEC-Q100 qualified?
Yes, the VN7004CHTR is AEC-Q100 qualified.
- What types of diagnostic functions does the VN7004CHTR provide?
The device provides indications for overload, short to ground, thermal shutdown, OFF-state open-load detection, and output short to VCC.
- How does the VN7004CHTR protect against reverse battery conditions?
The device has internal structures that protect against reverse battery conditions without the need for external components.
- What is the purpose of the CurrentSense analog feedback in the VN7004CHTR?
The CurrentSense analog feedback provides an analog output proportional to the load current, enabling current monitoring and diagnostics.
- What are some common applications of the VN7004CHTR in automotive systems?
Common applications include smart power distribution, glow plugs, heating systems, DC motors, and relay replacement.
- What is the junction operating temperature range of the VN7004CHTR?
The junction operating temperature range is from -40 °C to 150 °C.
