Datasheet > AAT3685

AAT3685

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		电池
页数	文件大小	规格书
23页	455K
描述
Lithium-Ion/Polymer Battery Charger

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AAT3685 数据手册

AAT3685

Lithium-Ion/Polymer Battery Charger

Electrical Characteristics¹

V_ADP= 5V, T_A= -25°C to +85°C, unless otherwise noted. Typical values are at T_A= 25°C.

Symbol Description

Conditions

Min

Typ

Max Units

Operation

ADP/USB Input Voltage Range

4.0

5.5

Under-Voltage Lockout

V_UVLO

Rising Edge

3.0

150

0.75

0.3

Under-Voltage Lockout Hysteresis

µA

I_OP

Operating Current

CC Charge Current = 500mA

V_BAT= 4.25V

1.5

1.0

I_SLEEP

Sleep Mode Current

Reverse Leakage Current from

BAT Pin

V_BAT= 4V, ADP/USB Pin

Open

I_Leakage

1.0

µA

Voltage Regulation

V_{BAT EOC}

End of Charge Voltage Accuracy

4.158

2.8

4.2

0.5

3.0

4.242

3.15

∆V_BAT/V_BATEOC Voltage Tolerance

V_MIN

Preconditioning Voltage Threshold

V_RCH

Battery Recharge Voltage Threshold

V_{BAT EOC}- 0.1

V_{ADP/USB CHR}Charge Reduction Regulation

No Connection on CHR Pin

4.3

1.9

4.5

2.0

4.64

2.1

V_CHR

CHR Pin Voltage Accuracy

Current Regulation

I_CH

Charge Current

1000

Charge Current Regulation

Tolerance

∆I_CH/I_CH

V_SETH

V_SETL

K_IUH

SETH Pin Voltage

CC Mode

2.0

SETL Pin Voltage

Current Set Factor: I_CHARGE/I_SETH

Current Set Factor: I_CHARGE/I_SETL

2000

K_IUL

Charging Devices

Charging MOSFET Transistor

On Resistance

R_DS(ON)U

V_IN= 5.5V

0.4

0.5

0.65

Ω

1. The AAT3685 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C

temperature range is guaranteed by design.

3685.2006.02.1.2

1 2 345 6 7...23

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