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ACT8712 Datasheet(PDF) 31 Page - Active-Semi, Inc

Part # ACT8712
Description  Four Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  36 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8712 Datasheet(HTML) 31 Page - Active-Semi, Inc

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SINGLE-CELL Li+ BATTERY CHARGER (CHGR)
Rev0, 25-Feb-08
ACT8712
Innovative Products. Active Solutions.
- 31 -
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
ActivePMU
TM is a trademark of Active-Semi.
I
2CTM is a trademark of Philips Electronics.
REGISTER DESCRIPTIONS CONT’D
Table 12:
Battery Charger (CHGR) Control Register Bit Descriptions (Cont’d)
ADDRESS
NAME
BIT
ACCESS
FUNCTION
DESCRIPTION
0Bh
SUSCHG
[0]
R/W
Suspend Charging
0
Charging Enable
1
Charging Disable
0Bh
CHGROK
[1]
R
Charge Status
0
Charging Error Occurred
1
Charging OK
0Bh
ICHGSET
[2]
R/W
Charge Current Selection
0
90mA
1
450mA
0Bh
[3]
W/E
0Bh
[7:4]
R
READ ONLY
WRITE-EXACT
Table 14:
Charge Current Setting for CHGLEV = 1
CHGLEV = 0
ISET1[3:0]
ISET2[3:0]
CURRENT(mA)
Any Value
90 if ICHGSET = 0
450 if ICHGSET = 1
0001
300
0010
350
0011
400
0100
450
0101
500
0110
550
0111
600
1000
650
1001
700
1010
750
1011
800
1100
850
1101
900
1110
950
1111
1000
0000
CHGLEV = 1
ISET1[3:0]
ISET2[3:0]
CURRENT(mA)
0000
450
0001
300
0010
350
0011
400
0100
450
0101
500
0110
550
0111
600
1000
650
1001
700
1010
750
1011
800
1100
850
1101
900
1110
950
1111
1000
Any Value
Table 13:
Charge Current Setting for CHGLEV = 0
: ICHGSET only has affect when CHGLEV = 0 and ISET2[3:0] = [0000]



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