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  • BQ24074: Battery won't charge and PGOOD and CHG LEDs on when no battery is connected.

    Part Number: BQ24074 Greetings, I have built the circuit in the schematic below and have problems with battery charging. None of the external status or EN pins are connected just for bench top testing. When I have an external source and no battery connected…

  • BQ24074: Looking for alternate solution

    TI Thinks Resolved
    Part Number: BQ24074 Other Parts Discussed in Thread: BQ21080 , BQ27Z746 , BQ27427 Dear TI Team, I am currently working on enhancing the design of our handheld product used for personnel location tracking. This product operates on a lithium battery (1 cell…

  • BQ24074: BQ24074 BAT pin(2,3) = 1.64V in pre-charge mode.

    TI Thinks Resolved
    Part Number: BQ24074 Hi When my BQ24074 working on pre-charge mode, BAT pin(2,3) voltage is only 1.64V. I tried to remove the battery, the floating BAT pin(2,3) voltage is still 1.64V. Is this normal? Attached is my circuit diagram, please help to check…
    • Answered

  • BQ24074: Safe USB-C Input protection, PTC & TVS diode

    Resolved
    Part Number: BQ24074 Other Parts Discussed in Thread: TVS1401 Hi, I've used the BQ24074 and I'd be grateful if someone could take a look at my schematic to see if there's anything that looks incorrect. I've read the documentation available…
    • Resolved

  • BQ24074: BQ24074 CHG status does not change

    Part Number: BQ24074 1) The battery charges "successfully" as in, as measured by a DMM, the current into the battery is dropping below the termination current and the voltage is up ~4.2V. I started with a battery at 3.6V. 2) The CHG pin does…

  • RE: BQ24074: BQ24074 charge query

    Hi Luke, Luke Yeh said: If the charging temperature control of BQ24074 is changed to BQ28Z610, it should be able to avoid the phenomenon of charging stop Luke Yeh said: BQ24074 HW OTP = charger suspend charging when the temperature is too high Yes, this…

  • BQ24074: bq24074

    TI Thinks Resolved
    Part Number: BQ24074 Hello, I have a BQ24074 Battery charger IC. How does the voltage level change when the battery voltages the output? (INPUT SOURCE NOT CONNECTED)

  • BQ24074: BQ24074 CHG pin not pull low

    Part Number: BQ24074 Other Parts Discussed in Thread: BQ28Z610 , , BQ28Z610-R1 Hi The customer design with BQ28Z610 and BQ24074, The circuit of BQ24074 will maintain hi-Z when CHG (BQ24074 pin9) does not pull low for the first charging after the shipping…

  • BQ24074: Input Voltage Regulated Down to 4.3V (potentially Vdppm?)

    TI Thinks Resolved
    Part Number: BQ24074 I am using the BQ24074 within Adafruit's USB/DC/Solar LiPo battery charging board ( https://www.adafruit.com/product/4755 ). I have connected a 1W 6V solar panel ( https://voltaicsystems.com/1-watt-panel/ ) into the DC adapter and…

  • BQ24074: ITERM 20mA

    TI Thinks Resolved
    Part Number: BQ24074 Other Parts Discussed in Thread: BQ25180 Hi team, 1. can this device achieve 20mA ITERM with over 400mA charging current? 2. and does this device support JEITA thermal spec?

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