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  • BQ25751: Do you have any parts calculation tool for peripheral parts of BQ25751?

    Resolved
    Part Number: BQ25751 Tool/software: Hello guys, One of my customers is considering using BQ25751 for their new products. At this moment, they have the following question. Could you please give me your reply? Q. If TI have any parts calculation tool…
    • Resolved

  • BQ25751EVM: Design files BQ25751

    Part Number: BQ25751EVM Hallo, Zum Navigieren zwischen Schaltplan und PCBA wären für mich die Altiumfiles zum BQ25751EVM hilfreich. Ich möchte Bauteile auf der Leitterplatte tauschen. Kann ich das vollständige Altium Projekt erhalten? Besten Dank…
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  • BQ25751EVM: BQ25751

    Resolved
    Part Number: BQ25751EVM Other Parts Discussed in Thread: BQ25751 , Tool/software: Hello, I am doing a design that integrates the BQ25751 and would love to have a reference to implement the design and to properly do the layout. Can I please be provided…
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    • Answered

  • BQ25751: BQ25751 can be used to charge 12V/24V battery when the charge input voltage is 30V?

    Resolved
    Part Number: BQ25751 Tool/software: Dear I want to use 30V as the charge power input. BQ25751 is a charge management integrated buck/boost function. So, I think it can support 12V/24V battery charger when the input power is 30 voltage. Rather…
    • Resolved

  • BQ25751: BQ25751 and 4 MOSFET were easily damaged under boost charging mode

    Part Number: BQ25751 Tool/software: Hi, I used BQ25751 for lead acid battery charging/ power path management prototype board, the nominal input voltage is 48Vdc, the charging voltage is set for 56VDC, during testing and debugging, I found the BQ25751&MOSFET…

  • BQ25751: DRV_SUP Iq

    TI Thinks Resolved
    Part Number: BQ25751 Tool/software: Hi. I am working on a design using BQ25751 and would like to ask if there is data available for the approx quiescent current for DRV_SUP? My design has VAC approx 12V, so I plan to use diode-or to use either…

  • BQ25751: If BQ25751 can detect battery absent and close its charging function when battery is too hot?

    TI Thinks Resolved
    Part Number: BQ25751 Tool/software: Dear I have several questions below, please help me. When the battery is absent, what state is BQ25751? The lead acid battery is 24V in my design, how should I choose the parameter VBATREG? 24V? or 28.8V? …
    • Answered

  • BQ25751: How to configure charging voltage correctly

    Resolved
    Part Number: BQ25751 I intend to use BQ25751 to charge 2x12V SLA battery connected in series. Hence Vnominal = 2x12V = 24V, Vbat_absorb = 2x14.4V = 28.8V Q1. When determine what resistor divider values (Rtop, Rbot) for the FB pin, the VBATREG in the…
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    • Answered

  • BQ25751: Schematic check

    Resolved
    Part Number: BQ25751 Other Parts Discussed in Thread: BQ25750 , , BQ25820 Tool/software: Dear Could you please help check my schematic the buck-boost circuit? In my design, I only use buck mode, using 30V power to charge 24V lead acid battery. In…
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    • Answered

  • BQ25751: Battery charging fb voltage confirmation

    Resolved
    Part Number: BQ25751 Tool/software: Dear Could you please help check the schematic, it is designed for 24V lead acid battery charging, max charging current is 1A. The lead acid battery max voltage is 14.4V/cell, there are two cells in series. I…
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