AAT3685 Просмотр технического описания (PDF) - Advanced Analog Technology, Inc.

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Компоненты Описание

производитель

AAT3685

Lithium-Ion/Polymer Battery Charger

Advanced Analog Technology, Inc. 

System Operation Flow Chart

AAT3685

Lithium-Ion/Polymer Battery Charger

Switch

On

Sleep

Mode

No

UVLO

Yes

VP > VUVLO

Input Power

Power On

Reset

SETL

Current Loop

SETH

Current Loop

0 Input Detect

PWRSEL= ?

1

Fault

Yes

Conditions Monitor

OV, OT

No

Shut Down

Mode

Yes

Battery

No

Temperature Monitor

Battery

VTS1 < TS < VTS2

Temp. Fault

Input Voltage

Regulation

Enable

No

Recharge Test

VRCH > VBAT

Yes

Yes Low Current

Preconditioning Test

Conditioning

VMIN > VBAT

Charge

No

Current Phase Test Yes

VEOC > VBAT

Current

Charging

Mode

No

Yes

Voltage Phase Test

IBAT > ITERM

No

Charge

Completed

Voltage

Charging

Mode

No

Port

Voltage Test

V < V ADP/USB

ADP/USB_CHR

Yes

Charge

Current

Reduction

12

3685.2006.10.1.3

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