LTC2953CDD-2#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Push Button, On/Off Controller
Voltage - Input:	--
Voltage - Supply:	2.7 V ~ 27 V
Current - Supply:	14µA
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-DFN (3x3)
Base Part Number:	LTC2953

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LTC2953CDD-2#PBF application field and working principle

Power Management ICs, or PMICs, are devices that optimize and manage the power supply of electronic systems. Power supply control, monitoring and protection are accomplished through a variety of dedicated circuitry, depending on the specific device. The LTC2953CDD-2#PBF is a specific type of PMIC, specifically tailored for controlling and monitoring power systems. It is considered a power supply controller/monitor and is manufactured by Linear Technology Corporation.The LTC2953CDD-2#PBF is a highly integrated, single-chip solution for monitoring power system parameters. It uses a combination of analog and digital circuitry to measure accurately and report data concerning voltage, current, temperature, timing, and other system parameters.The integrated high accuracy total energy measurement circuit allows for measurements of active energy, reactive energy, and apparent energy. Up to three line voltage power supplies and four current sense inputs are monitored and tracked. Delta-sigma ADCs are used to maintain high accuracy in power transfer measurements. The combination of analog, digital circuitry and a dynamic accumulator, allows for readings many months after initial power up with very accurate results.In addition, the LTC2953CDD-2#PBF integrates a variety of features that provide protection for the system, such as Low/High VOUT monitoring, Low/High IIN monitoring, Overtemperature/TOC shutdown, TH/TL to/from VOUT monitoring, Overtemperature/Temperature rising/falling rate protection, System Disable, and Watchdog disabling. The on-chip Watchdog timer can also be used to initiate system reset or power up conditions.Thanks to its wide range of features, the LTC2953CDD-2#PBF can be used in a variety of applications such as: power supply controllers, intelligent power management systems, power system integrity monitoring, energy metering systems, portable device power management, telecom power system monitoring, and a wide range of battery-powered systems.In conclusion, the LTC2953CDD-2#PBF is a power management IC specifically tailored for systems requiring power supply control and monitoring. It features both analog and digital circuitry, allowing for high accuracy readings of active, reactive and apparent power, as well as a variety of features which provide protection for the system. It can be used in many applications, ranging from simple power supply controllers to more complex power management systems.

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