Hi Jeff,
It works for me now. I forgot to enable the watch dog. It is disabled (0) by default on the BQ24250. That is why when I stopped writing to the BQ24250 registers, the external Vdpm threshold configuration did not take effect after 50 seconds…
Part Number: TPS2121 Other Parts Discussed in Thread: BQ24250 , TPS25947 , TPS22933 I am designing a solar charger board with two inputs (Solar panel and USB). When USB cable is plugged in, the battery should charge from USB input otherwise from the Solar…
Part Number: BQ24250 Dear Team,
How to set value in Register while charging voltage is 4.3V?
Is charging voltage 4.44 V while register value is 1111 11 on bit7 to 2.
Thanks
Many Thanks,
Jimmy
Part Number: BQ24250 Hi Team,
My customer is using BQ24250P, may we check with you on whether you have any data for VBUS to VSYS turn on time? Thank you.
Best regards,
Mike
Part Number: BQ24250 Hi Team,
The customer is trying to check the bq24250 /CE pin state via Register #5 CE_STATUS bit, as stated in datasheet:
However, it seems like this CE_STATUS bit is always at ‘0’, regardless of the physical logic status at the…
Part Number: BQ24250 Other Parts Discussed in Thread: BQ27220 Dear Team,
We found the battery cannot be charged through BQ24250, so I read the register 0 to get the status.
The status is 0x34 means the STAT is Fault.
No matter I unplug or plug the battery…
Part Number: BQ24250 This is continuation of e2e.ti.com/.../bq24250-the-bq24250-hangs-i2c-comm
For anyone who will face same or similar problem , I have some updates for this topic.
I've made investigation ,and found that root of the problem caused by…
Part Number: BQ24250 Hello,
I am using the BQ24250 ic as charger for a 1 Lithium cell battery. The problem is that the voltage in LDO pin is about 2.15V instead of 0V when no input is connected (5V rail come from a USB connector). It causes power consumption…
Part Number: BQ24250 Hi Team,
The customer is asking about the fault pulse behavior, could you please kindly help to answer? Thank you.
With reference to the description of Register #1 below, does all faults listed in the FAULT field result in a fault…
Part Number: BQ24250 Dear team,
My customer is evaluating the BQ24250 with I2C control. Normal charge current is set as 500mA at ICHG_0-4 of Register #4. Pre-charge current will be 50mA which is 10% of fast charge current (normal charge current), I understand…
