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  • BQ24450: BQ24450 External transistor heats, any alternatives?

    Part Number: BQ24450 Other Parts Discussed in Thread: BQ25751 , , BQ24610 , LM5117 Hey, I am trying to design charger for a 24V SLA battery pack (2S 12V). The charging current (BULK CC) i shoot for is 320mA and once I run the numbers for the external…

  • BQ24450: Implementing Temperature Cutoff for Lead-Acid Charging with BQ24450

    Part Number: BQ24450 Tool/software: I'm designing a circuit to charge a 12V lead-acid battery using the BQ24450DWTR IC. Key charging parameters are: Float voltage : ~13.8 V Boost voltage : ~14.7 V Maximum charge current : ~300 mA …

  • BQ24450: BQ24450 lead acid charger 24V – problem with fluctuating internal reference Vf ( and lower floating voltage consequently )

    Part Number: BQ24450 Other Parts Discussed in Thread: UC2906 Tool/software: Hi, I am using BQ24450 for lead acid battery charger , 24V , 1.7A max. charging current. I am using it for several projects through years ( and UC2906, UC 3906 earlier ),…
    • Answered

  • BQ24450: What is Ipre max ? Im going to designing 12v 7Ah battery charger

    Resolved
    Part Number: BQ24450 Tool/software: Rt how to select. ? Is I(pre) 10mA? Can we increase this I(pre) ?
    • Resolved

  • BQ24450: Power management forum

    Part Number: BQ24450 Tool/software: 1. What tool should I use to check the contents of BQ25750_Design_files among the captured contents? 2. I'm trying to build a circuit for 12Vx6 (total 72V) lead-acid batteries in series using BQ25750. Is there…
    • Answered

  • BQ24450: Technical Support Request for Developing Lead-Acid Battery Charger

    Resolved
    Part Number: BQ24450 Other Parts Discussed in Thread: BQ25750 , BQ25756 , BQ24650 Tool/software: Dear Texas Instruments Support Team, I am currently engaged in developing a lead-acid battery charger for a specific application. We are considering Texas…
    • Resolved

  • BQ24450: Is BQ24450 always charging battery?

    Part Number: BQ24450 Dear team This is Sunny from China. I have a question about BQ24450 charging process. As you can see below picture, in STATE#3, the I_CHG is 0, until V_BAT is VRCH, the new charging cycle will start again. I want to know,…

  • BQ24450: Question of BQ24450

    TI Thinks Resolved
    Part Number: BQ24450 Other Parts Discussed in Thread: BQ24610 , BQ24650 Dear Team, Our customer spec as below: Vin =27V Boost to 29V and charge the lead-acid battery. (3A) Can BQ24450 meet the demand? If not, are there any other suggestions…

  • RE: BQ24450: BQ24450

    hii thanks for your reply if i want to use BQ24450 to charge a ( 6 volts lead acid battery- 3 cells is series) and my input voltage to the BQ24450 IS 6 volts with 2 amps of current . is it possible to feed the BQ24450 with 6 volts input and the…
    • Answered

  • BQ24450: BQ24450 External Transistor

    Resolved
    Part Number: BQ24450 Dear Sir, please answer I tested circuit (please, see attach, "picture 2"). I set 3A initial current for charging 1-cell lead acid battery (2.3V). This circuit works. VT1 transistor and VD1 diode must be placed on the heatsink…
    • Resolved

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