Datasheet

LTC4155
35
4155fc
Table 5. Input Undervoltage Current Limit Control
INPUT UNDERVOLTAGE CURRENT LIMIT CONTROL REG0
SUB ADDRESS 0x00 DISABLE_INPUT_UVCL
DIRECTION Write and Readback
DISABLE_INPUT_
UVCL D7 D6 D5 D4 D3 D2 D1 D0
Enabled* 0
Disabled 1
*Default setting
Table 6. Overtemperature Battery Conditioner
OVERTEMPERATURE BATTERY CONDITIONER REG0
SUB ADDRESS 0x00 EN_BAT_CONDITIONER
DIRECTION Write and Readback
EN_CONDITIONER D7 D6 D5 D4 D3 D2 D1 D0
Disabled* 0
Enabled Above
60°C
1
*Default setting
Table 7. USB On-The-Go ID Pin Autonomous Start-Up
USB On-The-Go ID PIN AUTONOMOUS START-UP REG0
SUB ADDRESS 0x00 LOCKOUT_ID_PIN
DIRECTION Write and Readback
LOCKOUT_ID_PIN D7 D6 D5 D4 D3 D2 D1 D0
Autonomous
Start-Up Allowed*
0
Autonomous
Start-Up Disabled
1
*Default setting
Table 8. Input Current Limit Settings
INPUT CURRENT LIMIT SETTINGS REG0, REG1
SUB ADDRESS 0x00 USB Input Current Limit USBILIM[4.0]
SUB ADDRESS 0x01 Wall Input Current Limit WALLILIM[4:0]
DIRECTION Write and Readback
WALLILIM
USBILIM D7 D6 D5 D4 D3 D2 D1 D0
100mA Max
(USB Low Power)*
00000
500mA Max
(USB High Power)
00001
600mA Max 0 0 0 1 0
700mA Max 0 0 0 1 1
800mA Max 0 0 1 0 0
900mA Max
(USB 3.0)
00101
1000mA Typical 0 0 1 1 0
1250mA Typical 0 0 1 1 1
1500mA Typical 0 1 0 0 0
1750mA Typical 0 1 0 0 1
2000mA Typical 0 1 0 1 0
2250mA Typical 0 1 0 1 1
2500mA Typical 0 1 1 0 0
2750mA Typical 0 1 1 0 1
3000mA Typical 0 1 1 1 0
2.5mA Max
(USB Suspend)
01111
SELECT
CLPROG1**
11111
*Default setting CLPROG1 and CLPROG2 shorted. Refer to the Input
Current Regulation section for information when this register is
modified by the LTC4155.
**Default setting two CLPROG resistors. Refer to the Input Current
Regulation section for information when this register is modified by
the LTC4155.
Table 9. 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
OPERATION