LTC2920-2IMS8#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Single/Dual Power Supply Controller
Voltage - Input:	--
Voltage - Supply:	2.3 V ~ 6 V
Current - Supply:	230µA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	8-MSOP
Base Part Number:	LTC2920

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Introduction

The LTC2920-2IMS8#TRPBF is a precise, 5-pin, smart power supply controller for monitoring system voltages, current sensing, power-good signal output and temperature sensing. It is part of a series of power supply controllers, monitors, and regulators manufactured by Linear Technology.

Product Description

The LTC2920-2IMS8#TRPBF provides a comprehensive set of features for power supply and system management. It accurately measures beyond ±20V, with 0.02% accuracy and <140ns response time.The LTC2920-2IMS8#TRPBF consists of an energy management device and a temperature sense device. The energy management device provides a precision voltage and current sensing, with an integrated PGOOD output. It also has a built-in low dropout (LDO) voltage regulator with adjustable voltage and output current protection. The temperature sense device provides an extended range temperature measurement.

Application Field

The LTC2920-2IMS8#TRPBF is a valuable tool for power supply and system management. It is especially useful when power requirements and temperature conditions need to be accurately monitored and managed. It is useful in the following applications:

• Power supply monitoring and voltage level regulation
• High-accuracy voltage and current measurement
• Power-good signal output
• Temperature sensing
• Power supply protection against current overloading and thermal runaway

Working Principle

The working principle of the LTC2920-2IMS8#TRPBF is simple yet effective. It uses the multi-channel voltage and current monitoring capabilities to provide a precise and up-to-date power-good signal. The device is divided into two main sections: the energy management device, and the temperature sense device. The energy management device is responsible for precisely measuring voltage and current, with an integrated PGOOD output. It has the ability to accurately measure voltage and current levels up to ±20V, with a 0.02% accuracy and a sub-140ns response time.The energy management device also has a built-in low dropout (LDO) voltage regulator with adjustable voltage and output current protection. When current overloads occur, the device will activate a shut-down feature which prevents further damage to the power supply.The temperature sense device ensures accurate temperature measurement. It works by measuring the voltage across a thermistor and converting it into temperature values.

Conclusion

The LTC2920-2IMS8#TRPBF is a precise and simple-to-use power supply controller and monitor. It is especially useful for situations where power supply and system management are required, with accurate voltage and current monitoring, power-good signal output, and temperature sensing. The device is highly efficient and offers a comprehensive suite of features for power supply protection.

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