參數(shù)資料
型號： X3100V28Z
廠商： INTERSIL CORP
元件分類： 電源管理
英文描述： 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封裝： ROHS COMPLIANT, PLASTIC, MO-153AE, TSSOP-28
文件頁數(shù)： 41/41頁
文件大小： 561K
代理商： X3100V28Z
9
FN8110.1
January 3, 2008
Configuration Register
The X3100 and X3101 can be configured for specific user
requirements using the Configuration Register.
TABLE 1. CONFIGURATION REGISTER FUNCTIONALITY
TABLE 2. CONFIGURATION REGISTER—UPPER BYTE
TABLE 3. CONFIGURATION REGISTER—LOWER BYTE
Overcharge Voltage Settings
VOV1 and VOV0 control the cell over-charge level. See
TABLE 4. OVERCHARGE VOLTAGE THRESHOLD SELECTION
Overdischarge Settings
VUV1 and VUV0 control the cell over-discharge (under
voltage threshold) level. See section “Over-discharge
Overcurrent Settings
VOC1 and VOC0 control the pack over-current level. See
TABLE 6. OVERCURRENT THRESHOLD VOLTAGE SELECTION
Cell Charge Enable Settings
VCE1, VCE0 and SWCEN control the pack charge enable
function. SWCEN enables or disables a circuit that prevents
charging if the cells are at too low a voltage. VCE1 and VCE0
select the voltage that is recognized as too low. See section
TABLE 7. CELL CHARGE ENABLE FUNCTION
TABLE 8. CELL CHARGING THRESHOLD VOLTAGE
SELECTION
BIT(s)
NAME
FUNCTION
0 to 5
–
(don’t care)
6
SWCEN
Switch Cell Charge Enable threshold
function ON/OFF
7
CELLN
Set the number of Li-ion battery cells
used (3 or 4)
8 to 9
VCE1-VCE0
Select Cell Charge Enable threshold
10 to11
VOC1-VOC0
Select overcurrent threshold
12 to 13
VUV1-VUV0
Select overdischarge (under voltage)
threshold
14 to 15
VOV1-VOV0
Select overcharge voltage threshold
15
14
13
12
11
10
9
8
VOV1
VOV0
VUV1
VUV0
VOC1
VOC0
VCE1
VCE0
X3100 Default = 33H; X3101 Default = 03H.
7
6
543210
CELLN
SWCEN
xxxxxx
X3100 Default = C0H; X3101 Default = 40H.
CONFIGURATION REGISTER
BITS
OPERATION (V)
VOV1
VOV0
00
VOV = 4.20 (Default)
01
VOV = 4.25
10
VOV = 4.30
11
VOV = 4.35
TABLE 5. OVERDISCHARGE THRESHOLD SELECTION.
CONFIGURATION
REGISTER BITS
OPERATION
VUV1
VUV0
X3100
X3101
00
VUV = 1.95V
VUV = 2.25V
(X3101 default)
01
VUV = 2.05V
VUV = 2.35V
10
VUV = 2.15V
VUV = 2.45V
11
VUV = 2.25V
(X3100 default)
VUV = 2.55V
CONFIGURATION REGISTER
BITS
OPERATION
VOC1
VOC0
00
VOC = 0.075V (Default)
01
VOC = 0.100V
10
VOC = 0.125V
11
VOC = 0.150V
CONFIGURATION
REGISTER BITS
OPERATION
SWCEN
0
Charge enable function: ON
1
Charge enable function: OFF
CONFIGURATION REGISTER
BITS
OPERATION
VCE1
VCE0
00
VCE = 0.5V
01
VCE = 0.80V
10
VCE = 1.10V
11
VCE = 1.40V (Default)
X3100, X3101
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