Overview
The VND5T035AK-E is a monolithic double-channel high-side driver produced by STMicroelectronics, utilizing their VIPower technology. This device is designed to drive resistive or inductive loads with one side connected to the ground, making it suitable for various automotive applications. It features an active VCC pin voltage clamp to protect against low energy spikes and integrates an analog current sense that delivers a current proportional to the load current. The device includes comprehensive diagnostic and protection features, such as overload, overtemperature, and short to VCC detection, as well as thermal shutdown and electrostatic discharge protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Max. transient supply voltage (VCC) | 58 | V |
| Operating voltage range (VCC) | 8 to 36 | V |
| Typ. on-state resistance (per channel) (RON) | 35 mΩ | mΩ |
| Current limitation (typ.) (ILIM) | 42 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-to-case (RthJC) | 2 | °C/W |
| Undervoltage shutdown (VUSD) | 3.5 to 5 | V |
| Input low level voltage (VIL) | 0.9 | V |
| Input high level voltage (VIH) | 2.1 | V |
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 and high current sense precision for wide range currents
- Off-state open load detection, output short to VCC detection, overload and short to ground latch-off, and thermal shutdown latch-off
- Very low current sense leakage
- Undervoltage shutdown, overvoltage clamp, load current limitation, self-limiting of fast thermal transients, and protection against loss of ground and loss of VCC
- Thermal shutdown and electrostatic discharge protection
Applications
The VND5T035AK-E is suitable for driving all types of resistive, inductive, and capacitive loads, particularly in 24 V automotive applications.
Q & A
- What is the maximum transient supply voltage for the VND5T035AK-E?
The maximum transient supply voltage is 58 V.
- What is the operating voltage range for this device?
The operating voltage range is from 8 V to 36 V.
- What is the typical on-state resistance per channel?
The typical on-state resistance per channel is 35 mΩ.
- What is the current limitation for this device?
The current limitation is typically 42 A.
- How does the device protect against fault conditions?
The device protects against fault conditions such as overload, overtemperature, and short to VCC through various diagnostic and protection mechanisms, including current sense and thermal shutdown.
- What is the purpose of the fault reset standby pin (FR_Stby)?
The fault reset standby pin is used to reset the channel after a latch-off condition due to overtemperature or overcurrent, and to set the device in standby mode when all inputs and the FR_Stby pin are low.
- What are the thermal characteristics of the VND5T035AK-E?
The junction operating temperature range is -40°C to 150°C, and the thermal resistance from junction to case is 2°C/W.
- Is the VND5T035AK-E compliant with any specific directives?
Yes, it is compliant with the European directive 2002/95/EC.
- What types of loads can the VND5T035AK-E drive?
The device can drive all types of resistive, inductive, and capacitive loads.
- What is the off-state supply current of the device?
The off-state supply current is 2 µA.
