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  • BQ25700A: BQ25700A

    TI Thinks Resolved
    Part Number: BQ25700A I am currently trying to configure bq25700a into charging a battery. I have been able to successfully set ChargeOption0 to enable charging, set MaxChargeVoltage and MaxChargecurrent but I'm not able to get the ic to charge my battery…
    • Answered

  • BQ25700A: Charging LiFePO4 1S battery using PMIC

    Resolved
    Part Number: BQ25700A Hi TI, As per the datasheets the Max charge voltage for 1S configuration is 4.192 mV . But the Battery I'm using is LiFePO4 1s 3.2V 2200mAh, The Max charge voltage for this Battery is 3.6V . so my Question is 1) can BQ25700A …
    • Resolved

  • RE: BQ25700A: SMBus ADC value reading Zero for all reads even after enabling ADC option

    Hi Sch link is below. https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1115101/bq25700a-review-on-the-circuit-implemented-using-bq25700a-in-boost-mode Observations while testing the battery IC are as follows…
    • Answered

  • BQ25700A: Issues with LDO and ADC

    Resolved
    Part Number: BQ25700A Dear TI team, I have some issues with bq25700a a) In my case I've tested ChargeOption0 at 0x020a and have disabled LDO and found that ADC is able to measure discharge current while it isn't able to do so is LDO is enabled i.e…
    • Resolved
    • Answered

  • BQ25700A: FET selection for BQ25700A schematic

    Resolved
    Part Number: BQ25700A Other Parts Discussed in Thread: BQ25720 Hi Refer schematic below (Figure 40 in datasheet of BQ25700A). I'm using the same for charging a battery in 4S configuration which support max charging current of 10A and maximum discharge…
    • Resolved
    • Answered

  • MSP430FR5043: I2C communication with BQ25700A IC not returning ACK

    Resolved
    Part Number: MSP430FR5043 Other Parts Discussed in Thread: BQ25700A , Hi I'm trying to interface MSP430FR5043 with BQ25700A , but while testing , it was found that BQ25700A try to ACK but line is not getting pulled low. Refer waveform below. The pull…
    • Resolved
    • Answered

  • MSP430FR5043: MSP430FR5043: I2C communication with BQ25700A IC , MSP430FR5043 not giving ACK

    Resolved
    Part Number: MSP430FR5043 Other Parts Discussed in Thread: BQ25700A , Hi I'm trying to interface MSP430FR5043 with BQ25700A , but while testing , it was found that MSP430FR5043 is giving ACK for data received from BQ25700A . Refer waveform below. Slave…
    • Resolved
    • Answered

  • BQ25700A: Problems with reading IDCHG value using ADCIBAT

    Resolved
    Part Number: BQ25700A I've been able to get the pmic to charge my battery. I achieved this by driving ILim_HiZ to 4.01V and the pmic immediately went into FastCharge mode. The new problem I now have is with the ADC that doesn't seem to reflect the change…
    • Resolved
    • Answered

  • BQ25700A: bq25700A Configuration problem

    Resolved
    Part Number: BQ25700A Other Parts Discussed in Thread: CSD17308Q3 Hi, I have BQ25700A on my board design, with bettery protector MAX16914AUB. Battery protection work just fine but my BQ is not working properly. It is portable charger with specs: VCC 10-15…
    • Resolved

  • RE: BQ25700A: Not able to use pmic to charge battery

    Hi, Guru, Glad to see the previous issue resolved. Could you submit the new question in another thread? Regards, Tiger

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