ACT8740 datasheet(34/40 Pages) ACTIVE-SEMI

34 / 40 page

SINGLE-CELL Li+ BATTERY CHARGER (CHGR)

ACT8740

Rev PrB, 25-Feb-08

Innovative Products. Active Solutions.

- 34 -

www.active-semi.com

ActivePMU

TM is a trademark of Active-Semi.

2CTM is a trademark of Philips Electronics.

Note: See Table 1 for default register settings.

Table 11:

Battery Charger (CHGR) Control Register Map

Table 12:

Battery Charger (CHGR) Control Register Bit Descriptions

ADDRESS

DATA

08h

ISET1

09h

TIMOSET

BATFLT

TIMOFLT

TEMPFLT

CHGSTAT

VINPOK

0Ah

LDOMODE

ISET2

0Bh

W/E

ICHGSET

CHGROK

SUSCHG

ADDRESS

NAME

BIT

ACCESS

FUNCTION

DESCRIPTION

08h

[3:0]

READ ONLY

08h

ISET1

[7:4]

R/W

ISET1 Charge Current

Selection

See Table 13

09h

VINPOK

[0]

Input Supply Power-OK

Input Power is not OK

Input Power is OK

09h

CHGSTAT

[1]

Charging Status

Not Charging

Charging

09h

TEMPFLT

[2]

Temperature Status

No Temperature Fault

Temperature Fault

09h

TIMOFLT

[3]

Timeout Fault

No Timeout Fault

Timeout Fault

BATFLT

[4]

Battery Removed Fault

Battery Not Removed

Battery Removed

09h

[5]

READ ONLY

09h

TIMOSET

[7:6]

R/W

Charge Timeout Select

60 mins

90 mins

120 mins

No Timeout

0Ah

[3:0]

READ ONLY

0Ah

ISET2

[6:4]

R/W

ISET2 Charger Current

Selection

See Table 14

09h

R: Read-Only bits. Default Values May Vary.

W/E: Write-Exact bits. Read/Write bits which must be written exactly as specified in Table 1.

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