Hi,
I am using the typical 2-Cell 1.33A bq24103 charger aplication from datasheet.
One of our product was returned witch non functional charger - symptoms was:
Charging current = 5mA when Battery voltage is about 7V, STAT1 LED is ON
other component values and voltages
RSNS = 0.1R
L = 10uF
Vstat1 = 1V (Rstat1 = 7.5k)
VTSB = 8.4V
Vstat2 = 4mV (Rstat2 = 7.5k)
Ctcc = 100nF (TTC pin triangle waveform is present: Vlo = 0.5V Vhi= 1V)
and VTSB = 8.4V
charger IC is hot
whether such high vtsb voltage means that the charger is broken?
Have any suspicion of what might have caused this?