Overview
The VN5E050AJ-E is a single channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower M0-5 technology. It is housed in the compact PowerSSO-12 package. This device is designed to drive 12V automotive grounded loads, offering advanced protection, diagnostic capabilities, and a 3V and 5V CMOS compatible interface with any microcontroller. It integrates various protective functions such as load current limitation, inrush and overload management, over-temperature shutdown with auto-restart, and over-voltage active clamp. The device also features a dedicated analog current sense pin for enhanced diagnostic functions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC (DC supply voltage) | 4.5 to 28 | V |
| VUSD (Undervoltage shutdown) | 3.5 to 4.5 | V |
| RON (On state resistance) | 50 to 100 mΩ (at IOUT=2A, Tj=25°C) | mΩ |
| IOUT (DC output current) | Internally limited | A |
| Tj (Junction operating temperature) | -40 to 150 °C | °C |
| Tstg (Storage temperature) | -55 to 150 °C | °C |
| Rthj-case (Thermal resistance junction-case) | 2.7 °C/W | °C/W |
| td(on) (Turn-On delay time) | 20 µs | µs |
| td(off) (Turn-Off delay time) | 40 µs | µs |
Key Features
- General Features:
- Inrush current active management by power limitation
- Very low stand-by current
- 3.0V CMOS compatible inputs
- Optimized electromagnetic emissions
- Very low electromagnetic susceptibility
- In compliance with the 2002/95/EC European directive
- Very low current sense leakage
- Protections:
- Undervoltage shutdown
- Overvoltage clamp
- Load current limitation
- Self-limiting of fast thermal transients
- Protection against loss of ground and loss of VCC
- Over-temperature shutdown with auto-restart
- Reverse battery protected
- Electrostatic discharge protection
- Diagnostic Functions:
- Proportional load current sense
- High current sense precision for wide currents range
- Current sense disable
- Off state open load detection
- Output short to VCC detection
- Overload and short to ground (power limitation) indication
- Thermal shutdown indication
Applications
The VN5E050AJ-E is suitable for driving various types of resistive, inductive, and capacitive loads in automotive applications. It is particularly useful as an LED driver and in other scenarios where advanced protection and diagnostic capabilities are required.
Q & A
- What is the operating voltage range of the VN5E050AJ-E?
The operating voltage range is from 4.5V to 28V.
- What is the maximum junction operating temperature of the VN5E050AJ-E?
The maximum junction operating temperature is 150°C.
- What types of loads can the VN5E050AJ-E drive?
The VN5E050AJ-E can drive resistive, inductive, and capacitive loads.
- Does the VN5E050AJ-E have over-temperature protection?
Yes, it features over-temperature shutdown with auto-restart.
- How does the VN5E050AJ-E manage inrush current?
The VN5E050AJ-E manages inrush current through active power limitation.
- Is the VN5E050AJ-E protected against reverse battery conditions?
Yes, it is reverse battery protected.
- What is the purpose of the CS_DIS pin on the VN5E050AJ-E?
The CS_DIS pin is used to disable the current sense function.
- Does the VN5E050AJ-E have electrostatic discharge protection?
Yes, it has electrostatic discharge protection.
- What package type is the VN5E050AJ-E housed in?
The VN5E050AJ-E is housed in the PowerSSO-12 package.
- Is the VN5E050AJ-E compliant with any specific European directives?
Yes, it is in compliance with the 2002/95/EC European directive.
