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ACT8740 数据表(PDF) 35 Page - Active-Semi, Inc

部件名 ACT8740
功能描述  Six Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  40 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT8740 数据表(HTML) 35 Page - Active-Semi, Inc

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SINGLE-CELL Li+ BATTERY CHARGER (CHGR)
ACT8740
Rev PrB, 25-Feb-08
Innovative Products. Active Solutions.
- 35 -
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
0Ah
LDOMODE
[7]
R/W
LDO Mode Enable
0
Charger in Normal Mode
1
Charger in LDO Mode
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
USB Charge Current Selection
0
90mA
1
450mA
0Bh
[3]
W/E
0Bh
[7:4]
R
READ ONLY
WRITE-EXACT
Table 13:
ISET1[ ] Charge Current Setting
Table 14:
ISET2[ ] Charge Current Setting
CHGR/ISET1
[3:0]
FAST CHARGE CURRENT
SETTING (mA)
0000
CHGLEV = 1
450
CHGLEV = 0
90
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
CHGR/ISET2[2:0]
ISET2 CURRENT SETTING
(mA)
000
300
001
400
010
500
011
600
100
700
101
800
110
900
111
1000



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