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LTC4099 Datasheet(PDF) 36 Page - Linear Technology

Part # LTC4099
Description  Dual-Input Power Manager
PDF  52 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4099 Datasheet(HTML) 36 Page - Linear Technology

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LTC4155
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Table 10. Battery Charger Safety Timer
BATTERY CHARGER SAFETY TIMER
REG1
SUB ADDRESS
0x01
TIMER[1:0]
DIRECTION
Write and Readback
TIMER[1:0]
D7
D6
D5
D4
D3
D2
D1
D0
4 Hr*
0
0
8 Hr or C/x
Indication
01
1 Hr
1
0
2 Hr
1
1
*Default setting.
Table 11. Battery Charger Current Limit
BATTERY CHARGER CURRENT LIMIT
REG2
SUB ADDRESS
0x02
ICHARGE[3.0]
DIRECTION
Write and Readback
FULL-SCALE
CURRENT
(%)
VPROG
SERVO
(V)
D7
D6
D5
D4
D3
D2
D1
D0
Charger
Disabled
0.000
0
0
0
0
12.50
0.150
0
0
0
1
18.75
0.225
0
0
1
0
25.00
0.300
0
0
1
1
31.25
0.375
0
1
0
0
37.50
0.450
0
1
0
1
43.75
0.525
0
1
1
0
50.00
0.600
0
1
1
1
56.25
0.675
1
0
0
0
62.50
0.750
1
0
0
1
68.75
0.825
1
0
1
0
75.00
0.900
1
0
1
1
81.25
0.975
1
1
0
0
87.50
1.050
1
1
0
1
93.75
1.125
1
1
1
0
100.00*
1.200*
1
1
1
1
*Default setting.
Table 12. Battery Charger Float Voltage
Battery Charger Float Voltage
REG2
SUB ADDRESS
0x02
VFLOAT[1:0]
DIRECTION
Write and Readback
BATTERY
VOLTAGE (V)
D7D6D5D4D3D2D1D0
4.05*
0
0
4.10
0
1
4.15
1
0
4.20
1
1
*Default setting.
Table 13. Full Capacity Charge Indication Threshold
FULL CAPACITY CHARGE INDICATION THRESHOLD
REG2
SUB ADDRESS
0x02
CXSET[1:0]
DIRECTION
Write and Readback
FULL-SCALE
CURRENT
(%)
VPROG
THRESHOLD
(V)
D7
D6
D5
D4
D3
D2
D1
D0
10*
0.120*
0
0
20
0.240
0
1
2
0.024
1
0
5
0.060
1
1
*Default setting.
Table 14. Battery Charger Status Report
BATTERY CHARGER STATUS REPORT
REG3
SUB ADDRESS
0x03
CHARGER_STATUS[2:0]
DIRECTION
Read
BATTERY CHARGER
STATUS
D7
D6
D5
D4
D3
D2
D1
D0
Charger Off
0
0
0
Low Battery Voltage
0
0
1
Constant Current
0
1
0
Constant Voltage,
VPROG>VC/X
01
1
Constant Voltage,
VPROG<VC/X
10
0
NTC TOO WARM,
Charging Paused
10
1
NTC TOO COLD,
Charging Paused
11
0
NTC HOT FAULT,
Charging Paused
11
1
OPERATION



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