Overview
The VN5E025AJ-E, produced by STMicroelectronics, is a single-channel high-side driver designed for automotive applications. It is manufactured using ST's proprietary VIPower M0-5 technology and is housed in a compact PowerSSO-12 package. This device is engineered to drive 12 V automotive grounded loads, offering advanced protection, diagnostic functions, and a 3 V and 5 V CMOS compatible interface with any microcontroller.
The VN5E025AJ-E integrates various protective functions, including load current limitation, inrush and overload active management by power limitation, over-temperature shutdown with auto-restart, and over-voltage active clamp. It also features a dedicated analog current sense pin for enhanced diagnostic capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Max Supply Voltage (VCC) | 41 | V |
| Operating Voltage Range (VCC) | 4.5 to 28 | V |
| Max On-State Resistance (RON) | 25 mΩ | mΩ |
| Current Limitation (typ) | 60 A | A |
| Off State Supply Current (IS) | 2 µA | µA |
| Junction Operating Temperature (Tj) | -40 to 150 | °C |
| Storage Temperature (Tstg) | -55 to 150 | °C |
| Thermal Resistance Junction-Case (Rthj-case) | 1.4 | °C/W |
Key Features
- Inrush current active management by power limitation
- Very low stand-by current
- 3.0 V CMOS compatible inputs
- Optimized electromagnetic emissions and very low electromagnetic susceptibility
- Proportional load current sense with high current sense precision
- Current sense disable and off state open load detection
- Output short to VCC detection and overload and short to ground indication
- Undervoltage shutdown, overvoltage clamp, and load current limitation
- Self-limiting of fast thermal transients and protection against loss of ground and VCC
- Over-temperature shutdown with auto-restart and reverse battery protection
- Electrostatic discharge protection
Applications
The VN5E025AJ-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 applications requiring robust protection and diagnostic features.
Q & A
- What is the maximum supply voltage for the VN5E025AJ-E?
The maximum supply voltage (VCC) is 41 V.
- What is the operating voltage range for this device?
The operating voltage range is from 4.5 V to 28 V.
- What is the maximum on-state resistance of the VN5E025AJ-E?
The maximum on-state resistance (RON) is 25 mΩ.
- What are the key diagnostic functions of the VN5E025AJ-E?
The key diagnostic functions include proportional load current sense, high current sense precision, current sense disable, off state open load detection, output short to VCC detection, and overload and short to ground indication.
- What types of loads can the VN5E025AJ-E drive?
The VN5E025AJ-E can drive all types of resistive, inductive, and capacitive loads, and is suitable as an LED driver.
- What are the thermal protection features of the VN5E025AJ-E?
The device features over-temperature shutdown with auto-restart and self-limiting of fast thermal transients.
- How does the VN5E025AJ-E protect against electrical faults?
The device includes undervoltage shutdown, overvoltage clamp, load current limitation, and protection against loss of ground and VCC.
- What is the purpose of the CS_DIS pin?
The CS_DIS pin is used to disable the current sense pin, allowing the external sense resistor to be shared with other similar devices.
- What is the junction operating temperature range for the VN5E025AJ-E?
The junction operating temperature range is from -40°C to 150°C.
- Does the VN5E025AJ-E have electrostatic discharge protection?
