ACT8740 查看數據表（PDF） - Active-Semi, Inc
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ACT8740 Datasheet PDF : 40 Pages
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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
ADDRESS
08h
09h
0Ah
0Bh
D7
D6
D5
ISET1
TIMOSET
R
LDOMODE
ISET2
R
R
R
DATA
D4
D3
D2
D1
D0
R
R
R
R
BATFLT TIMOFLT TEMPFLT CHGSTAT VINPOK
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
08h
08h
NAME
ISET1
BIT ACCESS
[3:0]
R
[7:4]
R/W
09h
VINPOK
[0]
R
FUNCTION
ISET1 Charge Current
Selection
Input Supply Power-OK
09h
CHGSTAT [1]
R
Charging Status
09h
TEMPFLT [2]
R
Temperature Status
09h
TIMOFLT [3]
R
Timeout Fault
09h
BATFLT
[4]
R
09h
[5]
R
Battery Removed Fault
09h
TIMOSET [7:6]
R/W
Charge Timeout Select
0Ah
[3:0]
R
0Ah
ISET2
[6:4]
R/W
ISET2 Charger Current
Selection
DESCRIPTION
READ ONLY
See Table 13
0
Input Power is not OK
1
Input Power is OK
0
Not Charging
1
Charging
0
No Temperature Fault
1
Temperature Fault
0
No Timeout Fault
1
Timeout Fault
0
Battery Not Removed
1
Battery Removed
READ ONLY
00
60 mins
01
90 mins
10
120 mins
11
No Timeout
READ ONLY
See Table 14
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