AS3607 datasheet(48/71 Pages) AMSCO

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AS3606 AS3607 2v2

Data Sheet - R e g i s t e r D e f i n i t i o n

Table 33. CHG_Config Register

Name

Base

Default

CHG_Config

2-wire serial

15h

Offset: 19h-3

Charger Configuration Register

This is an extended register and needs to be enabled by writing 011b to Reg. 1Ch first.

This register is reset at a VDD27-POR or XRES input.

Bit

Bit Name

Default

Access

Bit Description

7:5

000

n/a

4:3

CHG_I_EOC<1:0>

R/W

Configures the end of charge current threshold. Charging will be stopped if

the current drops below the threshold.

00: 8% of constant current setting

01: 15%

10: 10%

11: 20%

2:0

VSUP_EOC

<2:0>

101

R/W

Defines VSUP voltage after EOC and isolated battery.

000: 4.3V

001: 4.4V

010: 4.5V

011: 4.6V

100: 4.7V

101: 4.8V

110: 4.9V

111: 5.0V

Table 34. CHG_NTC Register

Name

Base

Default

CHG_NTC

2-wire serial

01h

Offset: 19h-4

Charger NTC Control Register

This is an extended register and needs to be enabled by writing 100b to Reg. 1Ch first.

This register is reset at a VDD27-POR or XRES input.

Bit

Bit Name

Default

Access

Bit Description

7:3

0000 0

n/a

NTC_MODE

R/W

Defines the temperature level for the battery temperature supervisor to stop

charging. (for beta of NTC = 4250)

0: 55ºC

1: 45ºC

NTC_10K

R/W

Defines the type of NTC used for battery temperature supervisor.

0: 100k

1: 10k

NTC_ON

R/W

Enables the battery temperature supervisor via NTC resistor.

0: NTC battery temp supervision disabled

1: NTC battery temp supervision enabled

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