[参考译文] BQ25723：设置充电电流时出现问题，在升压模式下不清零。

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1356639/bq25723-problem-with-setup-the-cahrging-current-not-churging-in-boost-mode

您好！  

我们存在一些与设置充电电流相关的问题、实际充电电流小于我们设置的电流。  

我们使用3节电池。  

初始化设置：  

器件日志、实际充电电流为281mA、输入(VBUS)几乎为14V：

Open interface
Write charge current 1024mA. Ok = 1

Charge option0: 0x 20e:
  chrg_inhibit = 0
  en_iin_dpm = 1
  en_ldo = 1
  ibat_gain = 1
  iadpt_gain = 0
  en_learn = 0
  vsys_uvp_enz = 0
  en_cmp_latch = 0
  dis_strgrv = 0
  pwm_freq = 1
  en_ooa = 0
  otg_on_chrgok = 0
  iin_dpm_auto_disable = 0
  wdtmr_adj = disable_watchdog_timer
  en_lwpwr = 0
Charge current: 1024mA
Charge voltage: 12600mV
Charger status: 0x8400:
  stat_ac = 1
  ico_done = 0
  in_vap = 0
  in_vindpm = 0
  in_iin_dpm = 0
  in_fchrg = 1
  in_pchrg = 0
  in_otg = 0
  fault_acov = 0
  fault_batoc = 0
  fault_acoc = 0
  fault_sysovp = 0
  fault_vsys_uvp = 0
  fault_force_converter_off = 0
  fault_otg_ovp = 0
  fault_otg_uvp = 0
PROCHOT status: 0xb880
  stat_adapter_removal = 0
  stat_battery_removal = 0
  stat_vsys = 0
  stat_idchg1 = 0
  stat_inom = 0
  stat_icrit = 0
  stat_comp = 0
  stat_vindpm = 1
  stat_exit_vap = 0
  stat_vap_fail = 0
  tshut = 0
  prochot_clear = 1
  prochot_width = 10ms
  en_prochot_ext = 0
Iin dpm: 6350mA
ADC Vbus psys: 0x8d00:
  input_voltage = 0.000
  system_power = 13.536
ADC Ibat: 0x 200:
  battery_discharge_current = 0.000
  battery_charge_current = 0.128
AdcIinCmpIn: 0x 226:
  cmpin_voltage = 0.456
  input_current = 0.100
AdcVSysBat: 0x9998:
  battery_voltage = 12.608
  system_voltage = 12.672
Charge option1: 0x3300:
  auto_wakeup_en = 0
  en_ship_dchg = 0
  en_ptm = 0
  force_conv_off = 0
  cmp_deg = 5us
  cmp_pol = 0
  cmp_ref = 0
  en_fast_5mohm = 1
  psys_ratio = 1
  rsns_rsr = 0
  rsns_rac = 0
  psys_config = turn_off_psys
  en_prochot_lpwr = 0
  en_ibat = 0
Charge option2: 0x  37:
  batoc_vth = 1
  en_batoc = 1
  acoc_vth = 1
  en_acoc = 0
  acx_ocp = 1
  q2_ocp = 1
  en_ichg_idchg = 0
  en_extilim = 0
  pkpwr_tmax = 20ms
  stat_pkpwr_relax = 0
  stat_pkpwr_ovld = 0
  en_pkpwr_vsys = 0
  en_pkpwr_iin_dpm = 0
  pkpwr_tovld_deg = 1ms
Charge option3: 0x 434:
  psys_otg_idchg = 0
  batfetoff_hiz = 0
  cmp_en = 1
  il_avg = 15a
  otg_vap_mode = 1
  en_vbus_vap = 0
  batfet_enz = 0
  en_otg_bigcap = 0
  en_vsys_min_soft_sr = 0
  en_port_ctrl = 1
  en_ico_mode = 0
  en_otg = 0
  reset_vindpm = 0
  reset_reg = 0
  en_hiz = 0
PROCHOT option0: 0x4a81:
  lower_prochot_vindpm = 1
  inom_deg = 0
  vsys_th1 = 32
  prochot_vindpm_80_90 = 0
  icrit_deg = 100us
  ilim2_vth = 9
PROCHOT option1: 0x41a0:
  pp_acok = 0
  pp_batpres = 0
  pp_vsys = 0
  pp_idchg1 = 0
  pp_inom = 0
  pp_icrit = 1
  pp_comp = 0
  pp_vindpm = 1
  idchg_deg1 = 1_25s
  idchg_th1 = 16
ADC option: 0xa0ff:
  en_adc_vbat = 1
  en_adc_vsys = 1
  en_adc_ichg = 1
  en_adc_idchg = 1
  en_adc_iin = 1
  en_adc_psys = 1
  en_adc_vbus = 1
  en_adc_cmpin = 1
  ptm_exit_light_load = 0
  adc_fullscale = 1
  adc_start = 0
  adc_conv = 1
Charge option4: 0x  48:
  stat_ptm = 0
  stat_idchg2 = 0
  pp_idchg2 = 0
  idchg_th2 = 1
  idchg_th2 = 150
  idchg_deg2 = 1
  idchg_deg2 = 1_6ms
  stat_vbus_vap = 0
  pp_vbus_vap = 0
  vsys_uvp_no_hiccup = 0
  en_dither = 0
  en_dither = disable
  vsys_uvp = 0
  vsys_uvp = 2.4V
Vmin active protection: 0x  6c:
  en_frs = 0
  en_vsysth2_follow_vsysth1 = 0
  vsys_th2 = 27
  vbus_vap_th = 0
Input voltage limit: 9152mV
Vsys min: 9200mV
Iin host: 6350mA
Manufacturer ID (0x40): 0x40
Device ID (0xe1): 0xe0

我们的另一个问题是、当输入电压低于12.6V (或更低)时、在升压模式下充电会不起作用、它会停止充电。 您是否有任何想法、为什么会发生这种情况？

谢谢您、Alex。