Overview
The VND5T050AK-E is a double-channel high-side driver produced by STMicroelectronics, utilizing their VIPower technology. This monolithic device is designed for driving resistive or inductive loads in 24V automotive applications. It features a low standby current, 3.0 V CMOS compatible inputs, and optimized electromagnetic emission. The device includes an analog current sense that provides a current proportional to the load current, enabling precise monitoring and diagnostic functions.
The VND5T050AK-E offers comprehensive protection features, including undervoltage shutdown, overvoltage clamp, load current limitation, and thermal shutdown. It also includes fault reset and standby modes, making it a robust solution for automotive systems.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 8 | 24 | 36 | V |
| Max Transient Supply Voltage (VCC) | 58 | V | ||
| On-State Resistance (RON) per Channel | 50 | 100 | mΩ | |
| Current Limitation (ILIM) | 34 | 46 | A | |
| Off-State Supply Current (IS) | 2 | 5 | µA | |
| Junction Operating Temperature (Tj) | -40 | 150 | °C | |
| Storage Temperature (Tstg) | -55 | 150 | °C |
Key Features
- Very low standby current
- 3.0 V CMOS compatible input
- Optimized electromagnetic emission and very low electromagnetic susceptibility
- Compliant with European directive 2002/95/EC
- Fault reset standby pin (FR_Stby)
- Proportional load current sense with high current sense precision
- Off-state open load detection, output short to VCC detection, overload and short to ground latch-off, and thermal shutdown latch-off
- Undervoltage shutdown, overvoltage clamp, load current limitation, and self-limiting of fast thermal transients
- Protection against loss of ground and loss of VCC, thermal shutdown, and electrostatic discharge protection
Applications
The VND5T050AK-E is suitable for all types of resistive, inductive, and capacitive loads in 24V automotive applications. It is particularly useful in systems that require robust and reliable high-side switching with advanced diagnostic and protection features.
Q & A
- What is the operating voltage range of the VND5T050AK-E?
The operating voltage range is from 8 V to 36 V.
- What is the typical on-state resistance of the VND5T050AK-E?
The typical on-state resistance (RON) is 50 mΩ per channel.
- What is the current limitation of the VND5T050AK-E?
The current limitation (ILIM) is typically 34 A.
- How does the fault reset standby pin (FR_Stby) work?
The FR_Stby pin resets the device from latch-off conditions such as overload or thermal shutdown with a low-level pulse.
- What types of loads can the VND5T050AK-E drive?
The device can drive all types of resistive, inductive, and capacitive loads.
- What are the key diagnostic functions of the VND5T050AK-E?
The device features proportional load current sense, off-state open load detection, output short to VCC detection, overload and short to ground latch-off, and thermal shutdown latch-off.
- What are the thermal protection features of the VND5T050AK-E?
The device includes thermal shutdown with a shutdown temperature of 150°C to 175°C and a thermal reset temperature of 135°C.
- Is the VND5T050AK-E compliant with any specific directives?
Yes, it is compliant with the European directive 2002/95/EC.
- What is the package type of the VND5T050AK-E?
The device is packaged in a PowerSSO-24 package.
- What is the storage temperature range for the VND5T050AK-E?
The storage temperature range is from -55°C to 150°C.
