MCP73213_14 datasheet(21/34 Pages) MICROCHIP

Part #	MCP73213

Description	Dual-Cell Li-Ion/Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection

PDF	34 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2009-2014 Microchip Technology Inc.

DS20002190C-page 21

MCP73213

6.0

APPLICATIONS

The MCP73213 is designed to operate in conjunction

with a host microcontroller or in stand-alone

applications. The MCP73213 provides the preferred

charge

algorithm

for

dual

Lithium-Ion

Lithium-Polymer cells: Constant Current followed by

Constant Voltage. Figure 6-1 depicts a typical

stand-alone application circuit, while Figure 6-2

depicts the accompanying charge profile.

FIGURE 6-1:

Typical Application Circuit.

FIGURE 6-2:

Typical Charge Profile

(875 mAh Li-Ion Battery).

VDD

RPROG

CIN

COUT

RLED

2-Cell

Li-Ion

Battery

VDD

STAT

VBAT

PROG

VSS

AC-DC-Adapter

1020

3040

5060

7080

Time (Minutes)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.1

1.2

VDD = 9V

RPROG = 1.5 kΩ

875 mAh Li-Ion Battery

Thermal Foldback

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