Overview
The VNQ5050K-E is a monolithic device produced by STMicroelectronics, utilizing their VIPower M0-5 technology. It is designed as a quad-channel high-side driver, primarily intended for automotive applications. This device is capable of driving resistive or inductive loads with one side connected to ground. It features an active VCC pin voltage clamp to protect against low energy spikes and complies with the 2002/95/EC European directive.
The VNQ5050K-E integrates various diagnostic and protection features, including undervoltage shutdown, overvoltage clamp, load current limitation, and thermal shutdown with automatic restart. It also includes diagnostic functions such as open load detection and thermal shutdown indication.
Key Specifications
| Parameter | Min. | Max. | Unit | |
|---|---|---|---|---|
| Operating Supply Voltage (VCC) | 4.5 | 13 | 36 | V |
| Max On-state Resistance (RON) per Channel | 50 | 100 | 65 | mΩ |
| Current Limitation (ILIMH) | - | 19 | - | 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) | - | 2.8 | - | °C/W |
Key Features
- General Features:
- Inrush current active management by power limitation
- Very low standby current
- 3.0 V CMOS compatible input
- Optimized electromagnetic emission
- Very low electromagnetic susceptibility
- In compliance with the 2002/95/EC European directive
- Protection Features:
- Undervoltage shutdown
- Overvoltage clamp
- Load current limitation
- Self-limiting of fast thermal transients
- Protection against loss of ground and loss of VCC
- Thermal shutdown
- Reverse battery protection
- Electrostatic discharge protection
- Diagnostic Functions:
- Open drain status output
- On-state open load detection
- Off-state open load detection
- Thermal shutdown indication
Applications
The VNQ5050K-E is suitable for driving various types of loads, including resistive, inductive, and capacitive loads. It is particularly designed for automotive applications where robust and reliable high-side driving is necessary.
Q & A
- What is the operating supply voltage range of the VNQ5050K-E?
The operating supply voltage range is from 4.5 V to 36 V.
- What is the maximum on-state resistance per channel?
The maximum on-state resistance per channel is 50 mΩ at 25°C.
- What is the typical current limitation of the device?
The typical current limitation is 19 A.
- What is the off-state supply current?
The off-state supply current is typically 2 µA.
- What are the junction and storage temperature ranges?
The junction operating temperature range is -40°C to 150°C, and the storage temperature range is -55°C to 150°C.
- What types of loads can the VNQ5050K-E drive?
The device can drive resistive, inductive, and capacitive loads.
- What diagnostic functions does the VNQ5050K-E offer?
The device offers open drain status output, on-state and off-state open load detection, and thermal shutdown indication.
- What protection features are included in the VNQ5050K-E?
The device includes undervoltage shutdown, overvoltage clamp, load current limitation, thermal shutdown, reverse battery protection, and electrostatic discharge protection.
- How does the thermal shutdown feature work?
The thermal shutdown feature limits the dissipated power to a safe level until the fault condition disappears, allowing automatic restart once the condition is resolved.
- Is the VNQ5050K-E compliant with any specific European directives?
Yes, it is in compliance with the 2002/95/EC European directive.
