Overview
The VN5E025AJTR-E is a single-channel high-side driver manufactured by STMicroelectronics using their proprietary VIPower M0-5 technology. This device is designed for automotive applications and is housed in the compact PowerSSO-12 package. It 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 VN5E025AJTR-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 an analog current sense pin for enhanced diagnostic capabilities, such as fast detection of overload and short-circuit conditions.
Key Specifications
| Parameter | Min. | Max. | Unit | |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 4.5 | 13 | 28 | V |
| Max On-State Resistance (RON) | - | 25 | 50 | mΩ |
| Current Limitation (ILIMH) | - | 60 | - | A |
| Off State Supply Current (IS) | - | 2 | - | µA |
| Junction Operating Temperature (Tj) | -40 | - | 150 | °C |
| Storage Temperature (Tstg) | -55 | - | 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
- Diagnostic functions including overload, short to VCC, and thermal shutdown indication
- Protective functions such as undervoltage shutdown, overvoltage clamp, load current limitation, and reverse battery protection
- Electrostatic discharge protection
- Current sense disable feature to allow sharing of the external sense resistor with other devices
Applications
The VN5E025AJTR-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 and reliable high-side switching with advanced diagnostic and protection features.
Q & A
- What is the operating supply voltage range of the VN5E025AJTR-E?
The operating supply voltage range is from 4.5 V to 28 V.
- What is the maximum on-state resistance of the VN5E025AJTR-E?
The maximum on-state resistance is 50 mΩ at Tj = 150°C.
- What is the current limitation of the VN5E025AJTR-E?
The current limitation is typically 60 A.
- What is the off-state supply current of the VN5E025AJTR-E?
The off-state supply current is typically 2 µA.
- What are the diagnostic functions available in the VN5E025AJTR-E?
The device includes diagnostic functions such as proportional load current sense, overload detection, short to VCC detection, and thermal shutdown indication.
- What protective features does the VN5E025AJTR-E offer?
The device offers protective features including undervoltage shutdown, overvoltage clamp, load current limitation, and reverse battery protection.
- How does the current sense disable feature work?
The current sense can be disabled by pulling the CS_DIS pin high, allowing the external sense resistor to be shared with other similar devices.
- What is the thermal resistance junction-case of the VN5E025AJTR-E?
The thermal resistance junction-case is 1.4 °C/W.
- What are the typical applications of the VN5E025AJTR-E?
The device is typically used in automotive applications for driving resistive, inductive, and capacitive loads, and as an LED driver.
- What is the storage temperature range for the VN5E025AJTR-E?
The storage temperature range is from -55°C to 150°C.
