Overview
The VN5E050AJ-E is a single-channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower M0-5 technology. This device is housed in the compact PowerSSO-12 package and is designed to drive 12V automotive grounded loads. It offers advanced protection, diagnostic functions, and a 3V and 5V CMOS compatible interface, making it easy to integrate with any microcontroller.
The VN5E050AJ-E features inrush current active management, very low standby current, and optimized electromagnetic emissions. It also includes various diagnostic functions such as proportional load current sense, high current sense precision, and multiple protection mechanisms including undervoltage shutdown, overvoltage clamp, and over-temperature shutdown with auto-restart.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| VCC Operating Supply Voltage | 4.5 | 13 | 28 | V |
| VUSD Undervoltage Shutdown | 3.5 | 4.5 | - | V |
| RON On-State Resistance | - | 50 | 100 | mΩ |
| ILIMH DC Short Circuit Current | 19 | 27 | 38 | A |
| IS Supply Current (Off State) | - | 2 | 5 | µA |
| Tj Junction Operating Temperature | -40 | - | 150 | °C |
| TTSD Shutdown Temperature | 150 | 175 | 200 | °C |
Key Features
- Inrush current active management by power limitation
- Very low standby current
- 3.0V CMOS compatible inputs
- Optimized electromagnetic emissions and low electromagnetic susceptibility
- Proportional load current sense with high precision
- Current sense disable and off-state open load detection
- Output short to VCC detection and overload/short to ground indication
- Over-temperature shutdown with auto-restart and reverse battery protection
- Electrostatic discharge protection
Applications
The VN5E050AJ-E is suitable for driving all types of resistive, inductive, and capacitive loads in automotive applications. It is particularly useful as an LED driver due to its advanced diagnostic and protection features.
Q & A
- What is the operating supply voltage range of the VN5E050AJ-E?
The operating supply voltage range is from 4.5V to 28V.
- What is the typical on-state resistance of the VN5E050AJ-E?
The typical on-state resistance is 50 mΩ.
- What are the diagnostic functions provided by the VN5E050AJ-E?
The device provides proportional load current sense, high current sense precision, current sense disable, off-state open load detection, output short to VCC detection, and overload/short to ground indication.
- What are the protection mechanisms included in the VN5E050AJ-E?
The device includes undervoltage shutdown, overvoltage clamp, load current limitation, over-temperature shutdown with auto-restart, reverse battery protection, and electrostatic discharge protection.
- What is the maximum junction operating temperature of the VN5E050AJ-E?
The maximum junction operating temperature is 150°C.
- Is the VN5E050AJ-E compliant with any specific European directives?
Yes, it is in compliance with the 2002/95/EC European directive.
- How does the VN5E050AJ-E manage inrush current?
The device manages inrush current through active power limitation.
- What is the typical standby current of the VN5E050AJ-E?
The typical standby current is 2 µA.
- Can the current sense function be disabled in the VN5E050AJ-E?
Yes, the current sense function can be disabled by pulling the CS_DIS pin high.
- What types of loads can the VN5E050AJ-E drive?
The VN5E050AJ-E can drive all types of resistive, inductive, and capacitive loads.
