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ZHCSLW6A december 2020 – august 2023 BQ25157

PRODUCTION DATA

封裝選項

機械數據 (封裝 | 引腳)

YFP|20
- MXBG090K

散熱焊盤機械數據 (封裝 | 引腳)

訂購信息

9.3.9.1 Flags and Fault Condition Response

Table 9-5 below details the BQ25157 behavior when a fault condition occurs.

Table 9-5 Interrupt Triggers and Fault Condition Response

FAULT / FLAG	DESCRIPTION	INTERRUPT TRIGGER BASED ON STATUS BIT CHANGE	CHARGER BEHAVIOR	CHARGER SAFETY TIMER	LS/LDO BEHAVIOR	PMID BEHAVIOR	NOTES
CHRG_CV_FLAG	Set when charger enters Constant Voltage operation	Rising Edge	Enabled	No effect	N/A	IN powered if V_IN is valid
CHARGE_DONE_FLAG	Set when charger reaches termination	Rising Edge	Paused- Charging resumes with VIN or CE toggle or when V_RCH is reached	Reset	N/A	IN powered if V_IN is valid
IINLIM_ACTIVE_FLAG	Set when Input Current Limit loop is active	Rising Edge	Enabled. Reduced charge current.	Doubled if option is enabled	N/A	IN powered VIN powered unless supplement mode condition is met.
VDPPM_ACTIVE_FLAG	Set when DPPM loop is active	Rising Edge	Enabled. Reduced charge current.	Doubled if option is enabled	N/A	VIN powered unless supplement mode condition is met.
VINDPM_ACTIVE_FLAG	Set when VINDPM loop is active	Rising Edge	Enabled. Reduced charge current.	Doubled if option is enabled	N/A	VIN powered unless supplement mode condition is met.
THERMREG_ACTIVE	Set when Thermal Charge Current Foldback (Thermal Regulation) loop is active	Rising Edge	Enabled. Reduced charge current.	Doubled if option is enabled	N/A	VIN powered unless supplement mode condition is met.
VIN_PGOOD_FLAG	Set when VIN changes PGOOD status	Rising and Falling Edge	If VIN_PGOOD_STAT is low, charging is disabled.	Reset	N/A	VIN powered (if VIN_PGOOD_STAT=1) unless PMID_MODE is not 00.	Interrupt will not be sent if device powers up with VIN_PGOOD condition and V_BAT < V_BATUVLO
VIN_OVP_FAULT_FLAG	Set when V_IN > V_OVP	Rising Edge	Charging is paused until condition disappears	Reset	N/A	BAT powered
BAT_OCP_FAULT_FLAG	Set when I_BAT > I_BATOCP	Rising Edge	Disabled (BAT only condition)	N/A	N/A	Disconnect BAT
BAT_UVLO_FAULT_FLAG	Set when V_BAT < V_BATUVLO	Rising Edge	Enabled	No effect	N/A	IN powered of V_IN is valid
TS_COLD_FLAG	Set when V_TS > V_{TS_COLD}	Rising Edge	Charging paused until condition is cleared	Paused	N/A	IN powered of V_IN is valid
TS_COOL_FLAG	Set when V_{TS_COLD} > V_TS > V_{TS_COOL}	Rising Edge	Enabled. Reduced charge current.	Doubled if option is enabled	N/A	IN powered of V_IN is valid
TS_WARM_FLAG	Set when V_{TS_HOT} < V_TS < V_{TS_WARM}	Rising Edge	Enabled. Reduce battery regulation voltage.	No effect	N/A	IN powered of V_IN is valid
TS_HOT_FLAG	Set when V_TS < V_HOT	Rising Edge	Charging paused until condition is cleared	Paused	N/A	IN powered of V_IN is valid
ADC_READY_FLAG	Set when ADC conversion is completed	Rising Edge	N/A	N/A	N/A	N/A
COMP1_ALARM_FLAG	Set when ADC measurement meets programmed condition	Rising Edge	N/A	N/A	N/A	N/A
COMP2_ALARM_FLAG	Set when ADC measurement meets programmed condition	Rising Edge	N/A	N/A	N/A	N/A
COMP3_ALARM_FLAG	Set when ADC measurement meets programmed condition	Rising Edge	N/A	N/A	N/A	N/A
TS_OPEN_FLAG	Set when V_TS > V_{TS_OPEN}	Rising Edge	Charging is paused until condition disappears	Paused	N/A	N/A
WD_FAULT_FLAG	Set when I²C watchdog timer expires	Rising Edge	Enabled	N/A	N/A	N/A
SAFETY_TMR_FAULT_FLAG	Set when safety Timer expires. Cleared after VIN or CE toggle	Rising Edge	Disabled until VIN or CE toggle	Reset after flag is cleared	N/A	IN powered of V_IN is valid
LS_LDO_OCP_FAULT_FLAG	Set when LDO output current exceeds OCP condition	Rising Edge	N/A	N/A	Enabled (host must take action to disable the LDO if desired)	N/A
MRWAKE1_TIMEOUT_FLAG	Set when MR is low for at least t_WAKE1	Rising Edge	N/A	N/A	N/A	N/A
MRWAKE2_TIMEOUT_FLAG	Set when MR is low for at least t_WAKE2	Rising Edge	N/A	N/A	N/A	N/A
MRRESET_WARN_FLAG	Set when MR is low for at least t_RESETWARN	Rising Edge	N/A	N/A	N/A	N/A
TSHUT	No flag. Die temperature exceeds thermal shutdown threshold is reached	N/A	Disabled	Disabled	Disabled	Disabled