AAT3697IWP-4.2-T1(2007) Ver la hoja de datos (PDF) - Advanced Analogic Technologies

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AAT3697IWP-4.2-T1
(Rev.:2007)

2A Lithium-Ion/Polymer Battery Charger

Advanced Analogic Technologies 

AAT3697

2A Lithium-Ion/Polymer Battery Charger

Electrical Characteristics1

VADP = 5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.

Symbol Description

Conditions

Operation

ADP Adapter Voltage Range

VADPP

VUVLO

Adapter Present Threshold Voltage

Under-Voltage Lockout (UVLO)

UVLO Hysteresis

Rising Edge

IOP

ISLEEP

ILeakage

Operating Current

Sleep Mode Current

Reverse Leakage Current from

BAT Pin

Charge Current = 100mA

VBAT = 4.25V

VBAT = 4V, ADP Pin Open

Voltage Regulation

VBAT_EOC1 End of Charge Voltage Accuracy

ΔVCH/VCH Output Charge Voltage Tolerance

VMIN

Preconditioning Voltage Threshold

VRCH Battery Recharge Voltage Threshold

Current Regulation

ICH

Charge Current

ΔICH/ICH Charge Current Regulation Tolerance

VADPSET ADPSET Pin Voltage

CC Mode

KIA

Current Set Factor: ICH/IADPSET

Charging Devices

RDS(ON)

Adapter Charging Transistor

On Resistance

VIN = 5.5V

Min

Typ

Max Units

4.0

5.5 V

3.0

V

3.0

V

150

mV

0.3

1.5 mA

0.3

1.0 μA

1.0

μA

4.158

4.20

4.242 V

0.5

%

2.8

3.0

3.15 V

VBAT_EOC - 0.1

V

100

2000 mA

10

%

2.0

V

4000

0.2

0.25

0.35 Ω

1. The AAT3697 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -40°C to +85°C

temperature range is guaranteed by design.

4

3697.2007.02.1.1

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