Overview
The VNL5050N3-E, produced by STMicroelectronics, is a monolithic device utilizing STMicroelectronics' VIPower® Technology. This component is designed as a fully protected low-side driver, intended for driving resistive or inductive loads with one side connected to the battery. It is particularly suited for automotive applications due to its robust protection features and compliance with European directive 2002/95/EC.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain Current (ID) | 19 A | A |
| On-state Resistance (RON) | 50 mΩ (at Tj = 25 °C, Vsupply = VIN = 5 V) | mΩ |
| Drain-source Clamp Voltage (VCLAMP) | 41 V | V |
| Operating Supply Voltage (Vsupply) | 3.5 to 5.5 V | V |
| Thermal Shutdown Temperature (TTSD) | 150 to 175 °C | °C |
| Package Type | SOT-223 | - |
Key Features
- Automotive qualified
- High drain current: up to 19 A
- ESD protection and overvoltage clamp
- Thermal shutdown with automatic restart
- Current and power limitation for overload protection
- Very low standby current and electromagnetic susceptibility
- Compliant with European directive 2002/95/EC
- Fast demagnetization of inductive loads at turn-off
Applications
The VNL5050N3-E is suitable for a variety of applications, particularly in the automotive sector, including but not limited to:
- Driving resistive or inductive loads in automotive systems
- Relay drivers and solenoid drivers
- Motor control and actuator control
- General-purpose power switching in harsh environments
Q & A
- What is the maximum drain current of the VNL5050N3-E?
The maximum drain current is 19 A.
- What is the on-state resistance of the VNL5050N3-E at 25 °C?
The on-state resistance is 50 mΩ at Tj = 25 °C and Vsupply = VIN = 5 V.
- What is the thermal shutdown temperature of the VNL5050N3-E?
The thermal shutdown temperature is between 150 °C and 175 °C.
- Does the VNL5050N3-E have ESD protection?
- What is the operating supply voltage range for the VNL5050N3-E?
The operating supply voltage range is from 3.5 V to 5.5 V.
- Is the VNL5050N3-E compliant with any specific European directives?
- What type of package is the VNL5050N3-E available in?
The VNL5050N3-E is available in the SOT-223 package.
- Does the VNL5050N3-E have a status output pin?
No, the VNL5050N3-E does not have a status output pin; this feature is available in the VNL5050S5-E version.
- How does the VNL5050N3-E protect against overloads?
The device protects against overloads through current and power limitation, and thermal shutdown with automatic restart.
- What is the purpose of the fast demagnetization feature in the VNL5050N3-E?
The fast demagnetization feature ensures quick turn-off of inductive loads, preventing damage and improving efficiency.
