ISL6292C View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

ISL6292C

Li-ion/Li Polymer Battery Charger

Intersil 

Charging Flow Chart

Power Up

ISL6292C

VIN>VPOR ?

N

Y

POR

Initialization

Reset counter

Trickle

Charge

VSEN>VMIN?

Y

N

N

1/8 TIMEOUT?

Trickle

Charge

Y

CC Charge

VSEN>=VCH?

Y

N

N

TIMEOUT?

Constant

Current

Y

Charge

CV Charge

Ich < IMIN ?

Y

N

N

TIMEOUNT?

Constant

Voltage

Y

Charge

set FAULT low

latch up charger

N

EN toggled ?

Y

EOC or FAULT

EOC indication:

set STATUS high

keepNFAULT high

Y

TIMEOUT?

N

charger inhibited

reset counter

VSEN

N

<

VRECHRG?

Y

Start recharge

Inhibit

FIGURE 2. CHARGING FLOW CHART

5

FN9133.2

July 22, 2005

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