Datasheet > AAT3686

AAT3686

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
24页	481K
描述
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

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AAT3686 数据手册

AAT3686

USB Port/AC Adapter

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

USB, ADP USB Port or Adapter Voltage Range

4.0

5.5

4.7

V_ADPP

Adapter Present Indicator

Threshold Voltage

USB Present

4.25

4.5

V_{U DSBL}

ADP Voltage Level to Disable

USB Charging

4.25

4.7

Under-Voltage Lockout

Under-Voltage Lockout Hysteresis

Operating Current

Rising Edge

3.0

150

0.75

0.3

V_UVLO

µA

I_OP

CC Charge Current = 500mA

V_BAT= 4.25V

1.5

1.0

I_SLEEP

I_Leakage

Sleep Mode Current

Reverse Leakage Current from

BAT Pin

V_BAT= 4V, USB,

ADP Pins Open

1.0

Voltage Regulation

V_{BAT EOC}

End of Charge Voltage Accuracy

4.158

2.8

4.2

0.5

3.0

4.242

3.15

ΔV_BAT/V_BATEOC Voltage Tolerance

V_MIN

Preconditioning Voltage Threshold

V_RCH

Battery Recharge Voltage Threshold

V_{BAT EOC}- 0.1

V_{USB_CHR}USB Charge Reduction Regulation

V_CHRCHR Pin Voltage Accuracy

Current Regulation

No Connection on CHR Pin 4.3

1.9

4.5

2.0

4.64

2.1

I_CH

ΔI_CH/I_CH

V_ADPSET

V_USBH

V_USBL

K_IA

Charge Current

100

1500 mA

Charge Current Regulation Tolerance

ADPSET Pin Voltage

2.0

CC Mode

USBH Pin Voltage

2.0

USBL Pin Voltage

2.0

Current Set Factor: I_CHARGE/I_ADPSET

Current Set Factor: I_CHARGE/I_USBH

Current Set Factor: I_CHARGE/I_USBL

4000

2000

K_IUH

K_IUL

Charging Devices

R_DS(ON)AAdapter Charging Transistor

V_IN= 5.5V

0.2

0.4

0.25

0.5

0.35

0.65

On Resistance

R_DS(ON)U

USB Charging Transistor

On Resistance

1. The AAT3686 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.

3686.2006.06.1.5

1 2 345 6 7...24

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