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  • BQ25890: BQ25890 OTG query

    TI Thinks Resolved
    Part Number: BQ25890 Hi The customer design with BQ25890, when inserting an OTG device, there was 2.9A peak current, which will pull the 3.6V battery to 2.6V, causing the system to restart. Is there any way or register to limit the peak current at this…

  • BQ25890: Efficiency at lower VBAT

    Part Number: BQ25890 Hi team, The VBAT voltage of Datasheet Figure 8-1 is 3.8V but, customer want to know the efficiency at VBAT = 2.8V, 3.3V or so. Could you provide it or, measure it if the evaluation data is not exist? Best Regards,
    • Answered

  • BQ25890: Won't exit shipping mode

    Resolved
    Part Number: BQ25890 Other Parts Discussed in Thread: BQ25896 Hi, We have two battery-powered products with BQ25890 and we've got a few returns due to "dead" devices. We suspect it happens when shipping mode is enabled, but we're unable to…
    • Resolved

  • RE: BQ25890: Status pin function disable

    Hi Gary, Gary Teng said: They can't disable stat pin function by setting bit6 in REG06 or bit4 in REG03. STAT_DIS bit is bit 6 in REG07. Bit 6 in REG06 or bit 4 in REG03 will not disable STAT pin. I have confirmed STAT_DIS bit works as expected with…

  • BQ25890: Request for BQ25890 schematic review

    TI Thinks Resolved
    Part Number: BQ25890 Dear TI support team Could u give some suggestion about review these schmetic ,many thanks ! 883001_DSG V1.0.pdf
    • Answered

  • RE: BQ25890: bq25890: DPM Issue - Maximum Input Current Detected

    Resolved
    Dear Garrett: Do you mean, the IDPM_LIM value would not go back after ICO changes it? Or the ramp-up speed is too fast to response for ICO? The nominal input is 12V and the DMP threshold is set to 6V. There is a Schottky diode and some MOSFETs for Power…

  • BQ25890: Register 0x0C returns 0x04?

    Part Number: BQ25890 Asking on behalf of a customer: I’m tapping into the I2C bus between our processor and the BQ25890 to see the messages exchanged and register values. When the processor writes 0x0C to get the status of the fault register, the…

  • BQ25890: software issue

    Part Number: BQ25890 There is a problem in the process of using BQ25890: after we turn off the watchdog function, we must delay the configuration of other registers for about 1S(the time may be shorter) to succeed, if there is no delay or a short delay…

  • BQ25890: OTG and USB charging support

    TI Thinks Resolved
    Part Number: BQ25890 Hello, Does the OTG function of BQ25890 only support the OTG function when it is in High ? Or can it support OTG and USB charging together? Thank you. JH

  • BQ25890: The differences between BQ25890H

    TI Thinks Resolved
    Part Number: BQ25890 Hi team, I want to check the difference between BQ25890 and BQ25890H, I have seen the HW differences in https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/686336/bq25890-bq25890-and-bq25890…

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