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Part Number: BQ25120
I have consumption problems with bq25120 when there are glitches on Vin power supply; it seems that sometimes it absorbs about 0.7mA more than the standard operation. Even when bq25120 going into "standby mode", this consumption remains. The only way to get out of this state is to feed Vin again.
Battery is a li-ion 3.7V and 150mAh.
Can you help me?
Can you show a scope capture of VIN and PMID when the glitch on VIN occurs. Also what current do you see in standard operation?
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In reply to Raheem:
thank you for quick answer!In the meantime we have discovered that the fall edge of VIN is too slow to produce this excessive consumption. Attached there are the waveforms (Vin, Pmid, Vbat) when the consumption becomes excessive.
We dumps the register values in this situation:
We tries to set bit 7 in the 0x09 register, but without result. We will appreciate any hint (the problem was presented by the customer ...).
Thank You. Best Regards.
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