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  • BQ25895: 5V/3.1A with BQ25895

    TI Thinks Resolved
    Part Number: BQ25895 Hi, The BQ25895 datasheet states that the charger can be configured to provide up to 5V and 3.1A from the PMID pin. However, it is not completely clear to me how this operating mode works. Is any specific register configuration…

  • BQ25895: BQ25895 Schematic Review Request

    TI Thinks Resolved
    Part Number: BQ25895 Hi, TI expert The customer would like to review BQ25895. I would like to request a schematic review accordingly. - Input : Adapter PD tyep Fast charger (5V, 2.5A) - Output : Batter, 1cell, 800mA schematic(BQ25895).xlsx…
    • Answered

  • BQ25895: BQ25895 not charging

    Resolved
    Part Number: BQ25895 Hello, I am trying to use the BQ25895 charging IC in the design for a charging case. All seems well, but no matter what I try, I cannot seem to get it to charge the batteries, nor output good voltage to the PMID pin. I have been…
    • Resolved
    • Answered

  • BQ25895: BQ25895

    Resolved
    Part Number: BQ25895 Tool/software: Hi Team , My design needs to fast charge 18650 cells in 1S2p and 1s3p configurations , (3.7V - 7000 mah and 10500 mah) . Could you suggest a best and cost effective solution with integrated PD . Any advantages if…
    • Resolved

  • BQ25895: Inductor value for BQ25895 charger

    TI Thinks Resolved
    Part Number: BQ25895 Tool/software: Hi, I have read the BQ25895 datasheet and it doesn't give any detail on any peak current limit, neither does it give detail on whether its in voltage mode or current mode, neither does it tell of any slope compensation…
    • Answered

  • BQ25895: BQ25895 charge current low and internal ADC output is 0

    Resolved
    Part Number: BQ25895 Hi, I'm using the BQ25895 for my application and I can't seem to get the charging working properly. Charge current using VBUS: 5V supply is around 15mA. VBAT and VSYS are 3.9V using a 18650 Li-ion battery. VREGN is around 2…
    • Resolved

  • BQ25895: Porting existing design to TUSB320 + BQ25895 - Need help to understand power path

    TI Thinks Resolved
    Part Number: BQ25895 Other Parts Discussed in Thread: LM2596 , TUSB320 , , BQ25985 , PMP4451 , BQ25890 Tool/software: Hello, my board currently has the following power stage: LM2596, to drive main +5V rail from external 12V battery LM2735X,…
    • Answered

  • BQ25895: Parallel connection of battery cells

    Resolved
    Part Number: BQ25895 Other Parts Discussed in Thread: BQ27Z558 Dear Sirs and Madams, Our customer is considering using BQ25895 and BQ27Z558 in combination. Is it possible to use a lithium-ion battery connected to a battery charger in a 1S3P configuration…
    • Resolved
    • Answered

  • BQ25895: Control of SYS current and BAT current

    Resolved
    Part Number: BQ25895 Dear Sirs and Madams, We would like to confirm the current used to charge the BQ25895 battery (BAT) and the current used by the system (SYS). For example, in the Typical Application configuration of the datasheet, under the following…
    • Resolved

  • BQ25895: Measures battery voltage incorrectly

    Part Number: BQ25895 Hi Team, Is there a possibility that the bq25895 might sometimes measure the battery voltage inaccurately? reg-0e is vbat, reg-0f is vsys, and there is no USB power connected. reg-0e = 0x10 -> 16*20+2304=2624mV reg-0f = 0x4A ->…

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