PI5PD2061WE

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PI5PD2061WE is a differential power distribution switch and driver designed to provide multiple signals and accurate power distribution in power sequencing circuits. It is commonly used in applications requiring robust power sequencing, such as image processors, communications systems, home appliances, high end automation circuits and power control systems. As a signal transmission device, the PI5PD2061WE offers reliable signal transmission with low signal distortion and fast performance.

Features

• On-chip integration of voltage regulator and load switch and driver with 8 uA typical quiescent current and high EMI performance.
• Combined power supply circuit with an LVTT (Low Voltage Transistor Transistor) for cost effective power distribution.
• selectable overvoltage, overcurrent, and over-temperature protections.
• High switching speed: 15ns
• Input voltage range from 4.8V to 13.2V

Functional Description

The PI5PD2061WE is a high-performance power distribution switch and driver designed to provide multiple signals and accurate power distribution in power sequencing circuits. It is composed of two power-transistor stages and drivers for controlling multiple loads with different voltage levels and currents.

The PI5PD2061WE offers four outputs (VA,VB,VC,VD), all of which can be driven by separate, independently adjustable voltage levels and various load currants. It enables regulated and safe power distribution with low power consumption and high switching speed. Its adjustable current limit and over-voltage protection ensure proper power sequencing and low risk of overloading circuits.

Applications

The PI5PD2061WE is used in a variety of applications requiring multiple independent switches and drivers. Some examples include:

• home appliances, such aswashing machines, refrigerators, and microwaves
• communications systems and wireless devices
• high end automation circuits, including medical circuits
• power control systems, such as LED lighting systems
• image processors and video systems

Working Principle

At the heart of PI5PD2061WE is an LVTT (Low Voltage Transistor Transistor) stage which can provide up to 8.7 Amps of dynamic current load switching. Using its three adjustable power supply pins (Gnd, VSS, and VDD), the LVTT can be set to provide the optimum power supply for each output. It also offers over-voltage protection and over-current protection, and the maximum peak current can be adjusted up to 8.7 Amps.

The second stage is a low power driver with a maximum output current of 10 Amps. It can be used either independently or as an additional protection against overloading circuits. It is designed with an adjustable current limit, which can be modified by changing the voltage or current on the VIN pin.

The PI5PD2061WE also has a thermal protection feature which can detect any abnormal temperature increase at the switch and driver ICs. It is triggered by a temperature rise of about 85°C and can shut the driver off until the temperature returns to normal.

The PI5PD2061WE has several features which make it suitable for use in a variety of applications. Its wide input voltage range, adjustable current limit, and over-voltage protection make it a reliable power distribution switch and driver, while its low power consumption and fast switching speed make it ideal for a variety of applications.

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