Datasheet

LTC4110
32
4110fb
Table 7. Summary of Supported SMBus Functions
OPERATION
Function Access
SMBus
Address
Command
Code
Data
Type D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
ChargerStatus( ) 7’b0001_
001
8'h13 Status
AC_PRESENT BATTERY_PRESENT POWER_FAIL ALARM_INHIBITED RES_UR RES_HOT RES_COLD RES_OR VOLTAGE_OR CURRENT_OR LEVEL:3/LEVEL:2 CURRENT_NOTREG VOLTAGE_NOTRES POLLING_ENABLED CHARGE_INHIBITED
Read
Return
Value
1/0 1/0 0 1/0 1/0 1/0 1/0 1/0 0001000 1/0
Charging-
Current(
)
7’b0001_
001
8'h14 Value
Note 1
Write Permitted
Values
Unsigned Integer Representing Current in mA
Charging-
Voltage( )
7’b0001_
001
8'h15 Value
Note 2
Write
Permitted
Values
Unsigned Integer Representing Voltage in mV
Alarm-
Warning( )
7’b0001_
001
8'h16 Control
OVER_CHARGED_ALARM TERMINATE_CHARGE_ALARM RESERVED_ALARM OVER_TEMP_ALARM TERMINATE_DISCHARGE_ALARM RESERVED REMAINING_CAPACITY_ALARM REMAINING_TIME_ALRAM INITIALIZED DISCHARGING FULLY_CHARGED FULLY_DISCHARGED ERROR
Write Permitted
Values
1/0 1/0 1/0 1/0 1/0 0 0000000000
BBuStatus( ) 7’b0001_
001
8'h3D Status
CAL__ON CAL_COMPLETE BKUP_ON Reserved Reserved GPIO_1_IN GPIO_2_IN GPIO_3_IN Reserved CHG_FLT BKUP_FLT CAL_FLT CHG_STATE_0 CHG_STATE_1 Reserved CHARGE_INHIBITED
Read Return
Values
1/0 1/0 1/0 00 1/0 1/0 1/0 1 1/0 1/0 1/0 1/0 1/0 0 1/0
BBuControl()
[Charger-
Mode()]
7’b0001_
001
8'h12 Control
CAL_START CAL_RESET GPIO_1_EN GPIO_2_EN GPIO_3_EN GPIO_1_OUT GPIO_2_OUT GPIO_3_OUT Reserved GPIO_1_CHG GPIO_2_BUFLT GPIO_3_CALCOM RESET_TO_ZERO POR_RESET BUFLT_RST CHARGE_INHIBIT
Write Permitted
Values
1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 0 1/0 1/0 1/0 1/0 1/0 1/0 1/0
Note 1: IC only looks for a zero (off) or a non-zero (on) value. Actual charge current is set by the I
CHG
pin.
Note 2: IC only looks for a zero (off)or a non-zero (on) value. Actual charge voltage is set by the V
CHG
pin.