1*cd900f18SMike LooijmansWhat: /sys/class/power_supply/ltc4162-l/charge_status 2*cd900f18SMike LooijmansDate: Januari 2021 3*cd900f18SMike LooijmansKernelVersion: 5.11 4*cd900f18SMike LooijmansDescription: 5*cd900f18SMike Looijmans Detailed charge status information as reported by the chip. 6*cd900f18SMike Looijmans 7*cd900f18SMike Looijmans Access: Read 8*cd900f18SMike Looijmans 9*cd900f18SMike Looijmans Valid values: 10*cd900f18SMike Looijmans ilim_reg_active 11*cd900f18SMike Looijmans thermal_reg_active 12*cd900f18SMike Looijmans vin_uvcl_active 13*cd900f18SMike Looijmans iin_limit_active 14*cd900f18SMike Looijmans constant_current 15*cd900f18SMike Looijmans constant_voltage 16*cd900f18SMike Looijmans charger_off 17*cd900f18SMike Looijmans 18*cd900f18SMike LooijmansWhat: /sys/class/power_supply/ltc4162-l/ibat 19*cd900f18SMike LooijmansDate: Januari 2021 20*cd900f18SMike LooijmansKernelVersion: 5.11 21*cd900f18SMike LooijmansDescription: 22*cd900f18SMike Looijmans Battery input current as measured by the charger. Negative value 23*cd900f18SMike Looijmans means that the battery is discharging. 24*cd900f18SMike Looijmans 25*cd900f18SMike Looijmans Access: Read 26*cd900f18SMike Looijmans 27*cd900f18SMike Looijmans Valid values: Signed value in microamps 28*cd900f18SMike Looijmans 29*cd900f18SMike LooijmansWhat: /sys/class/power_supply/ltc4162-l/vbat 30*cd900f18SMike LooijmansDate: Januari 2021 31*cd900f18SMike LooijmansKernelVersion: 5.11 32*cd900f18SMike LooijmansDescription: 33*cd900f18SMike Looijmans Battery voltage as measured by the charger. 34*cd900f18SMike Looijmans 35*cd900f18SMike Looijmans Access: Read 36*cd900f18SMike Looijmans 37*cd900f18SMike Looijmans Valid values: In microvolts 38*cd900f18SMike Looijmans 39*cd900f18SMike LooijmansWhat: /sys/class/power_supply/ltc4162-l/vbat_avg 40*cd900f18SMike LooijmansDate: Januari 2021 41*cd900f18SMike LooijmansKernelVersion: 5.11 42*cd900f18SMike LooijmansDescription: 43*cd900f18SMike Looijmans Battery voltage, averaged over time, as measured by the charger. 44*cd900f18SMike Looijmans 45*cd900f18SMike Looijmans Access: Read 46*cd900f18SMike Looijmans 47*cd900f18SMike Looijmans Valid values: In microvolts 48*cd900f18SMike Looijmans 49*cd900f18SMike LooijmansWhat: /sys/class/power_supply/ltc4162-l/force_telemetry 50*cd900f18SMike LooijmansDate: Januari 2021 51*cd900f18SMike LooijmansKernelVersion: 5.11 52*cd900f18SMike LooijmansDescription: 53*cd900f18SMike Looijmans To save battery current, the measurement system is disabled if 54*cd900f18SMike Looijmans the battery is the only source of power. This affects all 55*cd900f18SMike Looijmans voltage, current and temperature measurements. 56*cd900f18SMike Looijmans Write a "1" to this to keep performing telemetry once every few 57*cd900f18SMike Looijmans seconds, even when running on battery (as reported by the online 58*cd900f18SMike Looijmans property, which is "1" when external power is available and "0" 59*cd900f18SMike Looijmans when the system runs on battery). 60*cd900f18SMike Looijmans 61*cd900f18SMike Looijmans Access: Read, Write 62*cd900f18SMike Looijmans 63*cd900f18SMike Looijmans Valid values: 0 (disabled) or 1 (enabled) 64*cd900f18SMike Looijmans 65*cd900f18SMike LooijmansWhat: /sys/class/power_supply/ltc4162-l/arm_ship_mode 66*cd900f18SMike LooijmansDate: Januari 2021 67*cd900f18SMike LooijmansKernelVersion: 5.11 68*cd900f18SMike LooijmansDescription: 69*cd900f18SMike Looijmans The charger will normally drain the battery while inactive, 70*cd900f18SMike Looijmans typically drawing about 54 microamps. Write a "1" to this 71*cd900f18SMike Looijmans property to arm a special "ship" mode that extends shelf life 72*cd900f18SMike Looijmans by reducing the leakage to about 2.8 microamps. The chip will 73*cd900f18SMike Looijmans remain in this mode (and no longer respond to I2C commands) 74*cd900f18SMike Looijmans until some external power-supply is attached raising the input 75*cd900f18SMike Looijmans voltage above 1V. It will then automatically revert to "0". 76*cd900f18SMike Looijmans Writing a "0" to the property cancels the "ship" mode request. 77*cd900f18SMike Looijmans The ship mode, when armed, activates once the input voltage 78*cd900f18SMike Looijmans drops below 1V. 79*cd900f18SMike Looijmans 80*cd900f18SMike Looijmans Access: Read, Write 81*cd900f18SMike Looijmans 82*cd900f18SMike Looijmans Valid values: 0 (disable) or 1 (enable) 83