Datasheet

LTC4156
35
4156f
Table 8. Input Connector Priority Swap
INPUT CONNECTOR PRIORITY SWAP REG1
SUB ADDRESS 0x01 PRIORITY
DIRECTION Write and Readback
PRIORITY D7 D6 D5 D4 D3 D2 D1 D0
Wall Input
Prioritized*
0
USB Input
Prioritized
1
*Default setting
Table 9. 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
1 Hr* 0 0
4 Hr or C/x
Indication
0 1
0.25 Hr 1 0
0.50 Hr 1 1
*Default setting.
Table 10. Battery Charger Current Limit
BATTERY CHARGER CURRENT LIMIT REG2
SUB ADDRESS 0x02 ICHARGE[3.0]
DIRECTION Write and Readback
FULL-SCALE
CURRENT
(%)
V
PROG
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.
OPERATION