SLUSE31A April 2020 – February 2021 BQ25968
PRODUCTION DATA
Table 9-3 shows the features and modes of the device depending on the conditions of the device.
FUNCTIONS AVAILABLE | STATE | ||||
---|---|---|---|---|---|
BATT-ONLY (VAC < VACpres) | VAC > VACpresent | VAC > VACpresent | VAC > VACpresent | VAC > VACpresent | |
(REGARDLESS OF VOUTpres) | CHARGE DISABLED | CHARGE DISABLED | DURING CHARGE SOFTSTART | CHARGING | |
(REGARDLESS OF ADC) | (ADC NOT ENABLED) | ADC ENABLED | (REGARDLESS OF ADC) | (REGARDLESS OF ADC) | |
I2C allowed | X | X | X | X | X |
Allow user ADC request | X | X | X | X | X |
VAC FET gate drive | X | X | X | X | |
VAC OVP protection | X | X | X | X | |
TS_BUS ALM | X | X | X | X | |
TS_BAT ALM | X | X | X | X | |
DIE TMP ALM | X | X | X | X | |
VBUS OVP ALM | X | X | |||
VBAT OVP ALM | X | X | |||
VBAT OCP ALM | X | X | |||
VOUT_OVP | X | X | X | ||
VBUS OCP ALM | X | X | |||
VBUS UCP ALM | X | ||||
VBUS In-range (slow UVP/OVP) | X | X | X | ||
TS_BUS FLT | X | X | X | X | |
TS_BAT FLT | X | X | X | X | |
DIE TMP FLT | X | X | X | X | |
VBUS OVP FLT | X | X | |||
VBAT OVP FLT | X | X | |||
VBAT OCP FLT | X | X | |||
VBUS OCP FLT | X | X | |||
VBUS UCP FLT | X | ||||
Cycle by Cycle Current Limit | X | X |
Tripping any of these protection faults will cause QB to be off. Masking the fault or alarm does NOT disable the protection, but only keeps an INT from being triggered by the event. Disabling the fault or alarm will hold that stat and flag bits in reset, and also prevent an interrupt from occurring.