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  • BQ24770: Functions of the CMPIN and CMPOUT pins of BQ24770

    TI Thinks Resolved
    Part Number: BQ24770 Tool/software: What are the functions of the CMPIN and CMPOUT pins of the BQ24770?
    • Answered

  • BQ24770: End of charge

    Resolved
    Part Number: BQ24770 Tool/software: Hi, I do not find in your datasheet how to know when the battery is full of charge? We need to maintain 90% of full charge to preserve our battery. The only way I have found is to acquire through ADC (on our microcontroller…
    • Resolved
    • Answered

  • BQ24770: Precharge

    Resolved
    Part Number: BQ24770 Hi team, I have a question regarding the BQ24770's pre-charging profile. I understood the precharging current is regulated upto 384mA. When the device is working in switching mode, what voltage does it start the precharge and…
    • Resolved

  • BQ24770: PMON function question

    TI Thinks Resolved
    Part Number: BQ24770 Other Parts Discussed in Thread: BQ2477 Hi Some question for BQ24770 battery charge controller. We try to monitor the system power from PMON. It seems the AC mode function ok. The DC mode have some trouble. We lost the PMON data…
    • Answered

  • BQ24770: Disabling Supplement Mode

    Resolved
    Part Number: BQ24770 Hi team, Is it possible to disable the supplement mode feature for BQ24770? If yes, Could you let me know which register to change? Thank you! Jay
    • Resolved
    • Answered

  • BQ24770: Asking for advise to reduce EMI

    Resolved
    Part Number: BQ24770 Hi expert, My customer is designing BQ24770 and they are facing EMI problem. Currently they are using 800kHz of Fsw and the EMI result is bad at 73.3M or 73.4MHz. In this case, Can you review my below questions? Q1. What would you…
    • Resolved
    • Answered

  • BQ24770: System Voltage when BATFET is turned off (NVDC)

    Resolved
    Part Number: BQ24770 Other Parts Discussed in Thread: BQ25720 Hi team, My customer is designing BQ24770 and asked following questions regarding system voltage in NVDC. Could you help answer this questions? 1. Could you confirm if it is a normal behavior…
    • Resolved
    • Answered

  • BQ24770: Error of Charge Current

    Resolved
    Part Number: BQ24770 Hello E2E, Please let me know about the error of Charge current. The datasheet of the device has min and max value for it. I want to know min/max value when setted to 320mA(0x0140H) for Charge current. Does TI have formulas and measurement…
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    • Answered

  • BQ24770: About "Charge Current monitor accuracy"

    Resolved
    Part Number: BQ24770 Hello E2E, About "Charge Current monitor accuracy", please let me know min/max % when V(srn-srp) is between 3mV to 4mV. It's non-guaranteed ok, assumed value ok. Best regards, ACGUY
    • Resolved
    • Answered

  • BQ24770: max duty cycle

    Resolved
    Part Number: BQ24770 Other Parts Discussed in Thread: BQ24780S Hi team, What is the max duty cycle when operating? Could you comment if bq24770 can support 4S battery (16.8V) from 19V input? Thanks! Best regards, Sam Ting
    • Resolved

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