AAT3670 datasheet(7/32 Pages) ANALOGICTECH

Part #	AAT3670

Description	1.6A Dynamic Battery Charger and Power Manager

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

Direct Link	http://www.analogictech.com

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7 / 32 page

Electrical Characteristics (continued)

VADP = 5V, TA = -25°C to +85°C; unless otherwise noted, typical values are TA = 25°C.

Symbol Description

Conditions

Min

Typ

Max

Units

Current Regulation (continued)

VADPLIM

ADPLIM Pin Voltage Regulation

2

V

VUSBLIM

USBLIM Pin Voltage Regulation

2

V

VADPSET

ADPSET Pin Voltage Regulation

2

V

VUSBSET

USBSET Pin Voltage Regulation

2

V

VTERM

TERM Pin Voltage Regulation

2

V

KI_CC_ADP

Constant Current Charge Current Set Factor:

29300

ICH_ADP/IADPSET

KI_CC_USBH

Constant Current Charge Current Set Factor:

USBSEL = 5V

17900

ICH_USB/IUSBSET

KI_CC_USBL

Constant Current Charge Current Set Factor:

USBSEL=0V

3600

ICH_USB/IUSBSET

KI_LIM_ADP Current Limit Set Factor: ILIM_ADP/IADPLIM

27800

KI_LIM_USBH Current Limit Set Factor: ILIM_USB/IUSBLIM

USBSEL = 5V

17600

KI_LIM_USBL Current Limit Set Factor: ILIM_USB/IUSBLIM

USBSEL = 0V

3500

KI_TERM

Termination Current Set Factor: ICH_TERM/ITERM

2000

Logic Control/Protection

VEN

Input High Threshold

1.6

V

VEN

Input Low Threshold

0.4

V

VSTATx

Output Low Voltage

/STATx Pin

0.4

V

Sinks 8mA

TC

Fast Charge (Constant Current and Constant

CCT =

ADP

6

hour

Voltage Charges Together) Timeout

100nF USB

infinite

TTKL

Trickle Charge Timeout

ADP

Tc/8

USB

infinite

VOVP

Battery Over-Voltage Protection

VBAT_EOC +VBAT_EOC +VBAT_EOC +

V

Threshold

0.1

0.15

0.2

IOCP

Battery Charge Over-Current

In All Modes

100

%ICH_CC

Protection Threshold

IVTS

VTS Sourcing Capability

VVTS = 2.5V

1

mA

AAT3670

1.6A Dynamic Battery Charger

and Power Manager

3670.2007.02.1.1

7

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