Power Management

Todo:

• CNFG_CHG_{A,B,C,D,E,F,G} Configuration in lib/card10/pmic.c
  • CNFG_CHG_A:
    • Configure NTC Parameters
    • THM_HOT[1:0]: 0x0 (45°C)
    • THM_WARM[1:0]: 0x0 (35°C)
    • THM_COOL[1:0]: 0x3 (15°C)
    • THM_COLD[1:0]: 0x3 (5°C)
  • CNFG_CHG_B:
    • VCHGIN_MIN[2:0]: 0x0 (4.0V) //Minimum Charge-In: 4V
    • ICHGIN_LIM[2:0]: 0x4 (475mA) //Charge Limit: 475mA
    • I_PQ: 0x0 (10%)
    • CHG_EN: 0x1 (At the very end: CHG_EN to 1 to enable the charger block)
  • CNFG_CHG_C:
    • CHG_PQ[1:0]: 0x7 (Prequalification Voltage: 3.0V)
    • I_TERM[0:1]: 0x3 (Charger Termination Current: 15% (default))
    • T_TOPPOFF[2:0]: 0x0 (Topoff Timer: 0min)
  • CNFG_CHG_D:
    • TJ_REG[2:0]: 0x0 (Junction Temp Regulation: 60°C)
    • VSYS_REG[4:0]: 0x10 (4.5V)
  • CNFG_CHG_E:
    • CHG_CC[5:0]: 0x0b (90mA) //Constant Current
    • T_FAST_CHG[1:0]: 0x1 (3h) //Fast Charge Saftey Timer: 3h (0x01)
  • CNFG_CHG_F:
    • CHG_CC_JEITA[5:0]: 0x07 (60mA) //reduce charger current when battery is warm or cool
    • THM_EN: 0x1 //Thermistor Enable: on
  • CNFG_CHG_G:
    • CHG_CV[5:0]: 0x18 (4.2V) //Constant Charging Voltage
    • USBS: 0x0 //USBS (USB Suspend): 0
  • CNFG_CHG_H:
    • CHG_CV_JEITA[5:0]: 0x10 (4.0V) //CHG_CV_JEITA: /
  • CNFG_CHG_I:
    • IMON_DISCHG_SCALE[3:0]: 0x0a (300mA)
    • MUX_SEL[3:0]: 0x0 //MUX_SEL (ADC MUX): 0 by default, value for measurements
• House Keeping Tasks
  • Battery Voltage (60s for now)
    • Check how PMIC reacts to poweroff