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Battery Charger IC with Integrated MOSFETs(BQ24170)

2016-05-09 12:49  
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This article describes the Battery Charger IC with Integrated MOSFETs (BQ24170). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components: BQ24170.Battery Charger 

A stand-alone Li-ion and Li-polymer switch-mode battery charger has been released by Texas Instruments with up to 94% efficiency. The bq24170/172 is a 1.6-MHz synchronous charger with two integrated N-channel powerMOSFETs. It is able to accurately regulate current, charge current and voltage due to the constant-frequency synchronousPWMcontroller. The temperature is closely monitored and provides battery detection, pre-conditioning, charge termination and charge status monitoring.

This battery charger is able to charge in three phases: preconditioning, constant current and constant voltage. It has a 4.5V-17V input operating range and an internal loop compensation which maintains a 120°C temperature. There are additional safety features as well. To learn more about this charger click below.


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