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  • BQ25125: Reverse current and MR pin protection

    Resolved
    Part Number: BQ25125 Tool/software: We are currently designing a layout using the BQ25125 to charge a Li-Ion battery and power our product with 1.8V. We have some questions regarding pin protection. The IN, GND, and /MR pins are accessible from outside…
    • Resolved
    • Answered

  • BQ25125: I cannot get it to "pre-charge" and recover.

    Resolved
    Part Number: BQ25125 Tool/software: I have a BQ25125 with a status (reg 0) of 0xC9 and a fault register (1) of 0x20 I read this as a BAT_UVLO fault. which I can see is true Vbat = 3.15 volts However - I cannot seem to get it to "pre-charge" and recover…
    • Resolved

  • BQ25125: Changing LS/LDO output voltage

    Part Number: BQ25125 Tool/software: I need to out 2.5V from LS/LDO output pin first i pulled down LSCTRL pin then i programmed the LS/LDO control register bits to make it out 1.7V and according the equation , it will be added to .8V , so the register…

  • BQ25125: STAT_0 STAT_1 = 11 Error Status When Setting ICHRG Higher than 70mA

    Part Number: BQ25125 Tool/software: Hello, I am experiencing an issue with the bq25125 battery charger IC. When I set the charge current (ICHRG) higher than 70mA, I receive an error status with STAT_0 and STAT_1 both set to 1 (binary 11). At 70mA, the…
    • Answered

  • BQ25125: Use of 100K NTC

    Resolved
    Part Number: BQ25125 Other Parts Discussed in Thread: BQ25120A Hello, is it possible to use a 100K ntc with this BQ25125? Our battery have 100K NTC build in and I would like to know what kind of trick we can do to use this BQ25125 with a 100K NTC. Thanks…
    • Resolved
    • Answered

  • BQ25125: Looking for a better part ?

    Resolved
    Part Number: BQ25125 Hello, I am using the BQ25125 to power a radio from a single cell at 3.3 volts. Sadly, when I increase the output voltage from the 1.8 volts to 3.3 volts - the I2C quits working because the thresholds are determined from Vsys - (not…
    • Resolved
    • Answered

  • BQ25125: Load Sharing Circuit for Low-Power Embedded Project

    Resolved
    Part Number: BQ25125 Other Parts Discussed in Thread: BQ25570 , BQ25505 , BQ25504 Hi, I am trying to develop a low-power embedded system running mainly on a rechargeable 3.7 V Lithium Ion battery and a secondary energy harvesting circuit (low energy) to…
    • Resolved

  • BQ25125: Max Iout if VINLS < 3.25V

    TI Thinks Resolved
    Part Number: BQ25125 Hello, What is the max Iout on the LDO rail if VINLS is less than 3.25V - something like 1.8V? Thanks In Advance, John W

  • BQ25125: Load Switch in Bq25125

    TI Thinks Resolved
    Part Number: BQ25125 Dear all, A couple questions regarding the BQ25125 please. 1- What is the difference between the LDO and LS. I understand the LDO is the regulated output, but I am not sure what it means when it is selected as load switch, please…
    • Answered

  • BQ25125: LDO output current when VINLS is less than 3.25V

    Resolved
    Part Number: BQ25125 Hello, The datasheet specifies that the full 100mA is only achievable if VINLS is >3.25V. If the LDO output to a low voltage, lets say 1.2V, and VINLS is 1.8V. How do we understand/calculate the max output current we can expect…
    • Resolved

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