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BQ24773 maximum duty

Arking Chiu
Intellectual 790 points
Other Parts Discussed in Thread: BQ24773

Hi,

as title, i cannot find out about BQ24773 maximum duty cycle drcribe in DS.

please kindly help to double check it.

thanks!!

  • 0
    TI__Guru 56650 points
    In general, the duty cycle is limited by the sleep comparator (VCC_BAT) threshold.
    If the input voltage is very close to the output voltage, bq24773 may skip few LODRV pulses. So, the duty cycle looks longer than 100%.