UC2543DW Allicdata Electronics
Allicdata Part #:

296-3355-5-ND

Manufacturer Part#:

UC2543DW

Price: $ 3.26
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC 2.5V PWR SUPPLY MON 16-SOIC
More Detail: Power Supply Controller Power Supply, Supervisor 1...
DataSheet: UC2543DW datasheetUC2543DW Datasheet/PDF
Quantity: 1000
1 +: $ 3.26000
10 +: $ 3.16220
100 +: $ 3.09700
1000 +: $ 3.03180
10000 +: $ 2.93400
Stock 1000Can Ship Immediately
$ 3.26
Specifications
Series: --
Packaging: Tube 
Part Status: Not For New Designs
Applications: Power Supply, Supervisor
Voltage - Input: 4.5 V ~ 40 V
Voltage - Supply: --
Current - Supply: 7mA
Operating Temperature: -25°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 16-SOIC
Base Part Number: UC2543
Description

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Introduction

UC2543DW is a power supply controller and monitor which is a component of a Power Management Integrated Circuit (PMIC). Its purpose is to provide control and monitoring of power supplies to ensure consistent and reliable performance. It can be used in a variety of applications, including industrial, automotive and home appliances.

Features

The main features of the UC2543DW are its flexible control input, low standby current consumption and low quiescent current draw. The device can be used as a single-channel controller or as a multi-channel controller for synchronizing multiple power supply sources. It also allows current- or voltage-mode control and can be used to monitor three distinct power supplies. Additionally, the device has an input protection to guard against power surges, overvoltages and circuit stresses.

Applications

The UC2543DW is suitable for a variety of applications where reliable and consistent power supply is essential. In the industrial sector, it can be used in electronic motors, pumps, specialized lighting systems and remote-control systems, among others. In the automotive industry, it can be used for controlling the motor, brake system, power seat or door lock and window operation etc. In the consumer electronics sector, it can be used for various home appliance systems like ricecooker, washing machines and air conditioners.

Working Principle

The UC2543DW employs voltage- or current-mode control to regulate the output voltage or current of a power supply. When operating in current-mode, it relies on a reference current, typically set to a maximum of 1 A. This reference current is measured at the output of the power supply and the controller adjusts the duty cycle of the pulse-width modulation (PWM) output to ensure that the reference current is maintained. When operating in voltage-mode, the reference voltage is measured and the PWM output is adjusted accordingly to keep the voltage within the desired range.

In addition to controlling the power supply, the UC2543DW can also monitor the output voltage, current, power and temperature of the system. It has an input protection circuit which is designed to protect the system from damaging voltage and current surges or overvoltages. This helps to ensure the reliable and safe operation of the power supply.

Conclusion

In conclusion, the UC2543DW is a power supply controller and monitor which can be used for a range of applications. It provides powerful control options, low standby and quiescent current draw and an input protection circuit which ensures reliable and safe operation. Its features and principles of operation make it an ideal choice for a variety of applications requiring reliable and consistent power supply.

The specific data is subject to PDF, and the above content is for reference

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