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  • BQ21061: BQ21061's value of status registers and flag registers

    Part Number: BQ21061 Tool/software: Hello, Now I'm trying to watch battery charge status using the charge IC BQ21061. I got the each registers' value via I2C by a MCU. I felt strange that Charge CV state and PGOOD state was set in the STAT0 register…

  • BQ21061: How to check pgood status bit and charge done status bit from BQ21061

    Part Number: BQ21061 Tool/software: Hello, Now I'm checking the BQ21061's register valus via I2C on my software. I have two questions, firstly about charge done status bit in STAT0. Though battery is chrged enough time from USB, but never charge done…
    • Answered

  • BQ21061: Not coming out of ship mode

    Resolved
    Part Number: BQ21061 Other Parts Discussed in Thread: TPS610333 , TPS631000 Tool/software: PATCH3-MCU Schematic-4-5.pdf Please have a look at the schematics having BQ21061 and wireless charging BQ51003YFP. the issues are as follows: 1. as we give…
    • Resolved

  • BQ21061: BQ21061 POR

    TI Thinks Resolved
    Part Number: BQ21061 Hi team, I'm writing to confirm with you about the status of registers after power off then power on? will registers all be reset? Thanks! Rayna
    • Answered

  • BQ21061: When VBUS is plugged off, I2C error occures

    Resolved
    Part Number: BQ21061 Tool/software: Hello, Now I'm writing a program to control BQ21061 and I found a strange phenomenon. When VBUS is plugged off, suddenly I2C read function starts to return I2C error. This problem started from just yesterday but before…
    • Resolved
    • Answered

  • BQ21061: Start-up charger current

    Resolved
    Part Number: BQ21061 Dear, I need to understand which is a detail procedure of BQ21061 at start-up on the BAT pin. In our application we do not drive the \CE pin of the BQ21061 therefore the BQ21061, when received power at Vin pin, starts immediately…
    • Resolved
    • Answered

  • BQ21061: Battery detection mode

    Resolved
    Part Number: BQ21061 Dear, I would like to understand the behaviour of BQ21061 battery charger at the power up when it is connected to a protected rechargeable battery (I'm speaking about the case in which I attach power to the "IN" pin of the BQ21061…
    • Resolved

  • BQ21061: Reverse voltage to the LDO of BQ21061

    TI Thinks Resolved
    Part Number: BQ21061 Hi Team, We received this inquiry from our customer. The LDO on this IC ( BQ21061) will power the MCU and other peripherals. In order to program the MCU, I will need to supply the circuit/MCU from an external power source and…
    • Answered

  • BQ21061: VDD current

    Resolved
    Part Number: BQ21061 Hi expert, My customer wants to use VDD as a 1.8V source. May we know that how much current could VDD pin support? Thank you. Best Regards, Cindy
    • Resolved

  • BQ21061: I2C communication in active battery mode

    TI Thinks Resolved
    Part Number: BQ21061 Hi I have problem to use i2c communication in active battery mode. I am pretty sure the LP pin is high. At the moment, I can only access the I2C by for MR low. I don't have oscilloscope or possibility to access the I2C pin. Is…

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