AAT3682

DATA SHEET

Li-Ion/Polymer Linear Battery Charger

9

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201884B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012

UVLO

Temperature Test

TS > V

TS1

TS < V

TS2

Power On Reset

Power On Reset

Preconditioning Test

Current Phase Test

V

V

V

TERM

R

SENSE

<V

RCH

Voltage

Phase Test

V

Shut Down

Mode

Shut Down

Mode

Yes

No

Yes

Yes

Low Current

Conditioning

Charge

Low Current

Conditioning

Charge

(Trickle Charge)

Temperature

Fault

Temperature

Fault

No

No

Current

Charging

Mode

Current

Charging

Mode

Yes

Voltage

Charging

Mode

Voltage

Charging

Mode

< I

BAT

No

Yes

No

Charge Complete

Latch Off

Charge Complete

Latch Off

Figure 1: AAT3682 Operational Flow Chart.