ACT8740
Rev PrB, 25-Feb-08
SINGLE-CELL Li+ BATTERY CHARGER (CHGR)
REGISTER DESCRIPTIONS
Note: See Table 1 for default register settings.
Table 11:
Battery Charger (CHGR) Control Register Map
DATA
ADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
08h
09h
0Ah
0Bh
ISET1
R
R
R
R
TIMOSET
R
ISET2
R
BATFLT
R
TIMOFLT TEMPFLT CHGSTAT VINPOK
LDOMODE
R
R
R
R
R
R
W/E
ICHGSET CHGROK SUSCHG
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.
Table 12:
Battery Charger (CHGR) Control Register Bit Descriptions
ADDRESS
NAME
BIT
ACCESS
FUNCTION
DESCRIPTION
08h
[3:0]
R
READ ONLY
ISET1 Charge Current
Selection
08h
09h
ISET1
[7:4]
[0]
R/W
R
See Table 13
0
1
0
1
0
1
0
1
0
1
Input Power is not OK
Input Power is OK
Not Charging
VINPOK
Input Supply Power-OK
Charging Status
09h
09h
09h
CHGSTAT
TEMPFLT
TIMOFLT
BATFLT
[1]
[2]
[3]
R
R
R
Charging
No Temperature Fault
Temperature Fault
No Timeout Fault
Timeout Fault
Battery Not Removed
Battery Removed
READ ONLY
Temperature Status
Timeout Fault
09h
09h
[4]
[5]
R
R
Battery Removed Fault
00
01
10
11
60 mins
90 mins
09h
TIMOSET
ISET2
[7:6]
R/W
Charge Timeout Select
120 mins
No Timeout
0Ah
0Ah
[3:0]
[6:4]
R
READ ONLY
ISET2 Charger Current
Selection
R/W
See Table 14
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