Overview
The VND5050AJ-E is a monolithic device produced by STMicroelectronics, utilizing the VIPower M0-5 technology. It is designed as a double channel high side driver with an integrated analog current sense, making it suitable for driving resistive or inductive loads with one side connected to ground. The device features active VCC pin voltage clamp protection against low energy spikes and complies with ISO7637 transient compatibility standards. It also includes output current limitation and thermal shutdown with automatic restart, ensuring safe operation during overload conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range (VCC) | 4.5 to 36 | V |
| Max Transient Supply Voltage (VCC) | 41 | V |
| Max On-State Resistance (per channel) | 50 | mΩ |
| Current Limitation (typical) | 18 | A |
| Off-State Supply Current (IS) | 2 | µA |
| Operating Temperature Range | -40 to 150 | °C |
| Package Type | PowerSSO-12 |
Key Features
- Inrush current active management by power limitation
- Very low standby current
- 3.0 V CMOS compatible input
- Optimized electromagnetic emission and very low electromagnetic susceptibility
- In compliance with the 2002/95/ec European directive
- Proportional load current sense with high current sense precision
- Current sense disable and thermal shutdown indication
- 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, reverse battery protection, and electrostatic discharge protection
Applications
The VND5050AJ-E is suitable for driving all types of resistive, inductive, and capacitive loads. It is particularly useful in automotive applications, including LED drivers, and any scenario where robust and reliable high-side switching is required.
Q & A
- What is the operating voltage range of the VND5050AJ-E?
The operating voltage range is from 4.5 V to 36 V.
- What type of protection does the VND5050AJ-E offer against voltage spikes?
The device features an active VCC pin voltage clamp to protect against low energy spikes and complies with ISO7637 transient compatibility standards.
- How does the VND5050AJ-E manage inrush current?
The device includes inrush current active management by power limitation.
- What is the maximum on-state resistance per channel of the VND5050AJ-E?
The maximum on-state resistance per channel is 50 mΩ.
- Does the VND5050AJ-E have thermal shutdown protection?
Yes, the device includes thermal shutdown with automatic restart.
- What types of loads can the VND5050AJ-E drive?
The VND5050AJ-E can drive resistive, inductive, and capacitive loads.
- Is the VND5050AJ-E compliant with any specific European directives?
Yes, it is in compliance with the 2002/95/ec European directive.
- What is the purpose of the current sense feature in the VND5050AJ-E?
The current sense feature delivers a current proportional to the load current, allowing for precise monitoring of load conditions.
- How does the VND5050AJ-E protect against electrostatic discharge?
The device includes electrostatic discharge protection.
- What is the typical off-state supply current of the VND5050AJ-E?
The typical off-state supply current is 2 µA.
