ZHCSNB9 february 2021 BQ25300
PRODUCTION DATA
The device operates in different modes depending on VBUS voltage, battery voltage, and EN pin, POL pin, and ICHG pin connection. The functional modes are listed in the following table.
MODE | CONDITIONS | REGN LDO | CHARGE ENABLED | STAT PIN |
---|---|---|---|---|
Disable Mode | Device is disabled, POL floating or pulled high, and EN pulled high | OFF | NO | OPEN |
Device is disabled, POL pulled low, EN pulled low or floating | OFF | NO | OPEN | |
HiZ Mode | Device is enabled and VVBUS < VVBUS_UVLOZ | OFF | NO | OPEN |
Sleep Mode | Device is enabled and VVBUS > VVBUS_UVLOZ and VVBUS < VBAT + VSLEEPZ | OFF | NO | OPEN |
Charge Mode | Device is enabled, VVBUS > VVBUS_LOWV and VVBUS > VBAT + VSLEEPZ, no faults, charge is not terminated | ON | YES | SHORT to GND |
Charge Termination Mode | VVBUS > VVBUS_LOWV and VVBUS > VBAT + VSLEEPZ and device is enabled, no faults, charge is terminated | ON | NO | OPEN |
Fault Mode | VBUS_OVP, TS cold/hot, VBAT_OVP, IC thermal shutdown, safety timer fault, ICHG pin open or short | ON | NO | BLINKING |