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Optimizing the Load-Switch Function of the DS2715 Battery-Charger IC

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Description

Introduction

The DS2715 is unique compared to other charging ICs in that it provides a charging and discharging path to battery cells through a single transistor. This functionality, combined with its 10-cell charging capacity, makes it a very popular charging solution for many types of battery-powered devices. Explaining exactly how the DS2715 controls the regulation transistor, this application note describes circuit adjustments that designers can make to optimize their DS2715 application. First, it details a typical application circuit for a 3-cell battery pack. Then, it presents two alternate circuits: an improved circuit for applications in which the DS2715 is connected to loads that operate noncontinuously, and a circuit for powering the load directly from batteries.

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Designed, Built, Tested

Board pictured here has been fully assembled and tested. Not available for sale.

 

Maxim Devices (1)

Part Number Name Product Family Order Design kits and evaluation modules
DS2715 NiMH Battery Pack Charge Controller Battery Management Buy Now Design Kits

Maxim Devices (1)

Part Number Product Family
Battery Management
NiMH Battery Pack Charge Controller

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