AAT3686IRN-4.2-T1 Просмотр технического описания (PDF) - Analog Technology Inc

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AAT3686IRN-4.2-T1

USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

Analog Technology Inc 

BatteryManagerTM

PRODUCT DATASHEET

AAT3686

USB Port/AC Adapter 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

Operation

USB, ADP USB Port or Adapter Voltage Range

Conditions

Min

4.0

VADPP

Adapter Present Indicator Threshold Voltage USB Present

4.25

VU_DSBL

VUVLO

IOP

ADP Voltage Level to Disable USB Charging

Under-Voltage Lockout

Under-Voltage Lockout Hysteresis

Operating Current

ISLEEP

Sleep Mode Current

ILeakage Reverse Leakage Current from BAT Pin

Voltage Regulation

V1

BAT_EOC

∆VBAT/VBAT

VMIN

End of Charge Voltage Accuracy

EOC Voltage Tolerance

Preconditioning Voltage Threshold

Rising Edge

4.25

CC Charge Current = 500mA

AAT3686, AAT3686-3: VBAT = 4.25V

AAT3686-1: VBAT = 4.25V

VBAT = 4V, USB, ADP Pins Open

4.158

2.8

VRCH

Battery Recharge Voltage Threshold

VUSB_CHR USB Charge Reduction Regulation

VCHR

CHR Pin Voltage Accuracy

Current Regulation

ICH

Charge Current

∆ICH/ICH Charge Current Regulation Tolerance

VADPSET ADPSET Pin Voltage

VUSBH

USBH Pin Voltage

VUSBL

USBL Pin Voltage

KIA

Current Set Factor: ICHARGE/IADPSET

KIUH

Current Set Factor: ICHARGE/IUSBH

KIUL

Current Set Factor: ICHARGE/IUSBL

Charging Devices

RDS(ON)A

RDS(ON)U

Adapter Charging Transistor On Resistance

USB Charging Transistor On Resistance

No Connection on CHR Pin

CC Mode

CC Mode

CC Mode

VIN = 5.5V

VIN = 5.5V

4.3

1.9

100

0.2

0.4

Typ

4.5

4.5

3.0

150

0.75

0.3

1

1.0

4.2

0.5

3.0

VBAT_EOC -

0.1

4.5

2.0

10

2.0

2.0

2.0

4000

2000

2000

0.25

0.5

Max

5.5

4.7

4.7

1.5

1.0

3

4.242

3.15

4.64

2.1

1500

0.35

0.65

Units

V

V

V

V

mV

mA

µA

µA

V

%

V

V

V

V

mA

%

V

V

V

Ω

Ω

1. The AAT3686 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

www.analogictech.com

3686.2007.12.1.11

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