TPS2053DR

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	TPS2053
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Fault Protection:	Current Limiting (Fixed), Over Temperature, UVLO
Features:	Status Flag
Input Type:	Non-Inverting
Rds On (Typ):	80 mOhm
Current - Output (Max):	500mA
Series:	--
Voltage - Load:	2.7 V ~ 5.5 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:2, 1:1
Number of Outputs:	3
Switch Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

TPS2053DR is a dual power distribution switch that can increase the efficiency of power-saving systems by providing the necessary control signals at the appropriate time. It ensures the system\'s power is delivered efficiently based on actual usage. This high voltage load switch is suitable for applications like automotive radio, automotive multimedia, automotive telematics, industrial control, and consumer audio/video.

Functionality Overview

The TPS2053DR is a two-channel switching device with an adjustable reference voltage. It is designed to reduce system power dissipation when the circuit being switched is inactive. Each channel consists of a N-MOSFET with an adjustable reference voltage and a current limit setting that allows the current-limit setting to be adjusted to the optimal level for the application.The four control inputs are dual-purpose, allowing both power savings and energy conservation. In the low-power mode, the input on the two channels is used to actively disconnect the connected devices when there is no load. In the high-power mode, the inputs are used to actively limit the amount of current drawn from the supply.The TPS2053DR has an adjustable reference voltage, which allows the user to adjust the device\'s current threshold to the appropriate level for the application. The reference voltage can be adjusted by an external resistor network connected to the threshold voltage pin.

Use Cases

TPS2053DR can be used in applications like automotive radio, automotive multimedia, automotive telematics, industrial control, and consumer audio/video. In automotive radio applications, the TPS2053DR can be used to control the power delivered to the receiver, preventing it from drawing too much power when it is idle. This will reduce power dissipation and ensure efficient transmission of the signal. In automotive multimedia applications, the TPS2053DR can be used to provide the necessary control signals to ensure that the audio/video components are powered on and that the correct volume level is maintained. In telematics applications, the TPS2053DR can be used to control the power delivered to the various components of the system and ensure that power conservation is achieved when the devices are inactive.In industrial control applications, the TPS2053DR can be used to regulate the power being delivered to the various devices being monitored. This will help to maximize the efficiency of the system and ensure a stable power supply.In consumer audio/video applications, the TPS2053DR can be used to control the power delivered to audio/video components. This will allow for efficient power delivery and will help to ensure a consistent viewing/listening experience.

Working Principle

The working principle of the TPS2053DR is based on an adjustable reference voltage and a current limit setting. The reference voltage is adjusted using an external resistor network. This voltage is then compared to the voltage present on the two channels. If the voltage on either channel rises above the reference voltage then the corresponding channel is turned off, thus preventing power dissipation. The current limit setting determines the maximum amount of current that will be delivered to each channel. If the current delivered to any channel exceeds the limit, the corresponding channel will be disabled automatically to prevent any damage. Finally, the dual-purpose control inputs allow for both power savings and energy conservation. In the low-power mode, the inputs are used to actively disconnect the connected devices, while in the high-power mode, the inputs are used to actively limit the amount of current drawn from the supply.

Conclusion

The TPS2053DR is a dual power distribution switch that ensures the system\'s power is delivered efficiently based on actual usage. It is suitable for applications like automotive radio, automotive multimedia, automotive telematics, industrial control, and consumer audio/video. It is designed to reduce system power dissipation when the circuit being switched is inactive and it has an adjustable reference voltage and a current limit setting to ensure that the current delivered is within the specified limit. The dual-purpose control inputs allow for both power savings and energy conservation.

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