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  • BQ24081: Resetting the fault timer

    Part Number: BQ24081 Hello, We use approx. 40,000 of these chips P.A. We have some of these devices entering a fault condition (usually by the timer running out after 30M of pre-charge when a poor battery is connected or fails). We need to find a way…

  • BQ24081: BQ24081 LED indictor

    Part Number: BQ24081 Other Parts Discussed in Thread: BQ25180 Hi Team, customer is using BQ24081DRCR for Li-ion battery charger application. However end customer ask change spec. with LED indicator below, Do we have solution meet customer requirement? …
    • Answered

  • BQ24081: No battery LED OFF

    Resolved
    Part Number: BQ24081 Other Parts Discussed in Thread: BQ24040 Hi The customer is using BQ24081. However, LED operating is different from customer specification. LED blinks in no battery condition, I understand this is the default action. Q1) Can I turn…
    • Resolved

  • BQ24081-Q1: The charge current question

    TI Thinks Resolved
    Part Number: BQ24081-Q1 Other Parts Discussed in Thread: BQ24081 Hi Team, During debugging, changing the 6 pin of BQ24081 (ISET to ground resistance) found that when R313=8.2K, the measured ISET=97.9MA, which meets the theoretical value; But when changing…

  • BQ24081: Charger solution for T-BOX

    TI Thinks Resolved
    Part Number: BQ24081 Hi Team, My customer now re-design their charger circuit for their T-BOX system. Here is their block diagram, I simplify it for confidentiality. I can send you the SCH for review if necessary. The 12V power input is converted to 5.2V…
    • Answered

  • BQ24081-Q1: Does ISET charge current support on-the-fly resistance change

    Resolved
    Part Number: BQ24081-Q1 Other Parts Discussed in Thread: BQ25155 Hi team, My customer would like to use BQ24081-Q1 to achieve below functions. Max charge current to 250mA when battery temperature is -20 to +50C Max charge current need to limit to 20mA…
    • Resolved

  • BQ24081: Charging Current Doesn't Stay in CC Mode

    TI Thinks Resolved
    Part Number: BQ24081 I set ISET to 1.13K resistor to achieve 750mA constant charging current. When i started 4000mAH Li-Po Battery charging than its doesn't charge the battery through 750mA current during CC mode. Li-Po Battery & Battery Charger…

  • BQ24081: thermal resistance RT1 and RT2 design

    TI Thinks Resolved
    Part Number: BQ24081 Hi Sir, how to design RT1 and RT2 value?any have tools for calculation? i use a thermistor 103AT type, i need to range from 5 degrees to 45 degrees, so i need to add an external resistance design.can help us?
    • Answered

  • BQ24081: STAT pin blinking when there is no battery

    Resolved
    Part Number: BQ24081 Hello, Make BQ24081 circuit as attached. During test, STAT LEDs are blinking when Vin is connected but battery is not connected. Is this STAT LED blinking normal? If not, could you check and let me know how to fix it? Regards, …
    • Resolved

  • bq24081-Q1 charge enable disable

    Other Parts Discussed in Thread: BQ24081-Q1 Hi, Please tell any way to enable/disable charging in bq24081-Q1. Will the below circuit work to enable/disable charge current? Is there any Pspice model available for this part? We are looking for a single…

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