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Power management

Power management

Power management forum

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Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search power management IC content or ask technical support questions on everything from linear and DC/DC switching regulators to battery management and LED drivers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] BQ25700A: Why does BQ25700A start charging during initial power on?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25700A Other Parts Discussed in Thread: BQ25703A , BQ25713 , BQ25710 , BQ25720 , BQ25730 , BQ25723 When the battery voltage is zero or fully depleted, it requires the host to charge it up, however, sometimes, the host is powered off the…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25700A: How soon could the host write to the buck-boost charger after power on?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25700A When an input source plugs in, the charger checks the input source voltage to turn on LDO and all the bias circuits. It sets the input current limit before the converter starts. The power-up sequence from DC source is as follows…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25700A: Why is BQ25700A battery quiescent current higher than expected?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25700A Other Parts Discussed in Thread: EV2400 The BQ25700A buck-boost charger has a low power mode, which puts the device with battery only for lowest quiescent current. PROCHOT, discharge current monitor buffer, power monitor buffer and…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ25730: [FAQ] How do I ensure the charger schematic is satisfactory? Is there a schematic checklist for TI buck boost controllers such as BQ25700A, BQ25703A, BQ25708, BQ25710, BQ25713, BQ25713B, BQ25720, BQ25723, BQ25730, BQ25731?

    Pengzhao Zhu
    Pengzhao Zhu
    Part Number: BQ25730 Other Parts Discussed in Thread: BQ25703A , BQ25713 , BQ25731 , BQ25710 , BQ25700A , BQ25708 , , BQ25723 , BQ25720 , BQ25713B Dear all, The following document shows key considerations when choosing external components for BQ25700A…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2663: Paralleling eFuses

    Rakesh
    Rakesh
    Part Number: TPS2663 Other Parts Discussed in Thread: TPS1663 , , TPS2660 Can I parallel eFuses for higher currents ?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] LM25066: What are the differences among LM25066I, LM25066A, LM25066IA, and LM25066?

    Avishek Pal
    Avishek Pal
    Part Number: LM25066 What are the differences among LM25066I, LM25066A, LM25066IA, and LM25066?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2663: How does PGTH function in TPS2663 ?

    Rakesh
    Rakesh
    Part Number: TPS2663 How does PGTH function in TPS2663 ?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2662: Can I connect RTN to GND ?

    Rakesh
    Rakesh
    Part Number: TPS2662 Can I connect RTN to GND ?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ769142: MOSFET short after short-circuit test - voltage now always ON

    Olivier Nguyen
    Olivier Nguyen
    Part Number: BQ769142 Other Parts Discussed in Thread: CSD Hi TI forum, as you might know, we are very pleased with our custom-made BMS using the BQ769142. I am now making further tests in order to apply for IEC Certfication. I made a short-circuit…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2660: Can TPS2660 be used to protect negative voltage rails ?

    Rakesh
    Rakesh
    Part Number: TPS2660 Other Parts Discussed in Thread: TPS23523 , LM5068 , LM5067 Can TPS2660 be used to protect negative voltage rails ?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
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  • Answered

    TPS51362: difference between TPS51363 and TPS51367 0 Locked

    533 views
    1 reply
    Latest over 5 years ago
    by Yuchang Zhang
  • Answered

    TPS53219A: Input inrush current estimation 0 Locked

    305 views
    5 replies
    Latest over 5 years ago
    by Edward Lee
  • Answered

    TPS40210: TPS40210 maximum duty cycle 0 Locked

    709 views
    7 replies
    Latest over 5 years ago
    by Tsvetan Ginin
  • Answered

    TPS54917: TPS54917 Low side mosfer Negative Spike 0 Locked

    276 views
    5 replies
    Latest over 5 years ago
    by Dorian Brillet de Cande
  • Answered

    3V3 DC 4A REGULATOR FOR JETSON NANO 0 Locked

    512 views
    2 replies
    Latest over 5 years ago
    by Dorian Brillet de Cande
  • Not Answered

    TLV431B: Req: PSPICE model of TLV431B 0 Locked

    335 views
    3 replies
    Latest over 5 years ago
    by Marcoo Z
  • Suggested Answer

    TPS3431: WD timeout requirement is 200s 0 Locked

    280 views
    1 reply
    Latest over 5 years ago
    by Abhinav.Sharma
  • Discussion

    TPS5139x Locked

    76 views
    0 replies
    Started over 5 years ago
    by Given Ding
  • Not Answered

    LED Driver for High Speed Application 0 Locked

    431 views
    3 replies
    Latest over 5 years ago
    by Sean Zhou
  • Answered

    Alternative for AL5802-7 0 Locked

    260 views
    1 reply
    Latest over 5 years ago
    by Sean Zhou
  • Answered

    Biasing from the anode of the opto driver. 0 Locked

    220 views
    4 replies
    Latest over 5 years ago
    by Peter Repka
  • Suggested Answer

    LM25085: buck converter LM25085 not working as expected when loaded 0 Locked

    1020 views
    19 replies
    Latest over 5 years ago
    by Arief Hernadi
  • Answered

    TPS1H100-Q1: is there any Solution for 32V/5A application? 0 Locked

    294 views
    6 replies
    Latest over 5 years ago
    by user5318993
  • Suggested Answer

    TPS61099: Switch mode IQ current 0 Locked

    353 views
    1 reply
    Latest over 5 years ago
    by Jasper Li
  • Suggested Answer

    TPS61099: Iq when Vin < Vout +0.5 0 Locked

    276 views
    1 reply
    Latest over 5 years ago
    by Jasper Li
  • Answered

    UA78L: About marking information of UA78L12ACPK 0 Locked

    214 views
    2 replies
    Latest over 5 years ago
    by Luna
  • Answered

    BQ25703AEVM-732: Always in VINDPM status when enable EN_OTG 0 Locked

    293 views
    9 replies
    Latest over 5 years ago
    by Tiger Zhou
  • Not Answered

    ULN2003A: ULN2003ADR 0 Locked

    827 views
    7 replies
    Latest over 5 years ago
    by Andy Robles
  • Suggested Answer

    TPS544B20: overshoot issue during TPS544B20 start up 0 Locked

    373 views
    1 reply
    Latest over 5 years ago
    by Peter James Miller
  • Suggested Answer

    BQ40Z80: [bq40z80] Any reference design to separate CHG/DSG path 0 Locked

    286 views
    3 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
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