Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	VNQ5050
Supplier Device Package:	PowerSSO-24
Package / Case:	PowerSSO-24
Operating Temperature:	-40°C ~ 150°C (TJ)
Fault Protection:	Current Limiting (Fixed), Over Temperature, Over Voltage
Features:	--
Input Type:	Non-Inverting
Rds On (Typ):	50 mOhm (Max)
Current - Output (Max):	13.5A
Series:	VIPower™
Voltage - Load:	4.5 V ~ 36 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:1
Number of Outputs:	4
Switch Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction

VNQ5050AK-E is a sophisticated power distribution switch load driver integrated circuit manufactured by VNQ Corporation. It offers the best combination of features, performance and reliability for a wide range of mid-range automotive applications. By incorporating an internal linear regulator and current mirror circuit, these devices provide excellent thermal stability and improved dynamic response time for high efficiency and low quiescent current consumption.

Features

The VNQ5050AK-E is a power distribution switch load driver integrated circuit that provides enhanced device protection, load current sensing, simple on/off control, voltage clamping and active low EMC protection. The device also has a low quiescent current consumption and a wide operating temperature range. With its advanced circuit control and integrated protection, the VNQ5050AK-E is highly efficient and offers excellent thermal stability.•High Efficiency: The internal linear regulator and current mirror circuit provide high efficiency and low quiescent current consumption.•Voltage Clamping: The integrated voltage clamping feature provides protection against electrical overstress by limiting the peaks in the input voltage.•Load Current Sensing: Load current sensing ensures that the output current is accurately monitored and automatically limited.•Active Low EMC Protection: The integrated active low EMC protection minimizes noise and transient voltage in the output by avoiding inductive spikes, radio frequency interference and electrostatic discharge.•Simple On/Off Control: The VNQ5050AK-E features a simple on/off control, eliminating the need for additional circuitry and providing a straightforward, reliable control interface.

Application Fields

The VNQ5050AK-E is well suited for use in a wide range of mid-range automotive applications, including powertrain, fuel systems, engine control, lighting and infotainment systems. The device can also be used in any application where high efficiency, low quiescent current, excellent thermal stability and reliable protection are required.

Working Principle

The VNQ5050AK-E is a power distribution switch load driver integrated circuit that operates based on a simple on/off control. When the on/off control signal is \'on\', the device charges the internal capacitor, providing current to the output. The output current is monitored and automatically limited by the internal load current sensing circuit. The voltage at the output is regulated by the internal linear regulator and current mirror circuit, providing protection against electrical overstress. Furthermore, the integrated active low EMC protection minimizes noise and transient voltage in the output.

Conclusion

The VNQ5050AK-E is a power distribution switch load driver integrated circuit that provides an ideal combination of features, performance and reliability for a wide range of mid-range automotive applications. Its internal voltage regulator, current mirror circuit and active low EMC protection features ensure excellent thermal stability and improved dynamic response time with low quiescent current consumption. The VNQ5050AK-E provides a simple on/off control interface and can be used in any application where high efficiency, low quiescent current, excellent thermal stability and reliable protection are required.

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