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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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  • Not Answered

    TPS25947: tps25947l has no voltage output 0 Locked

    492 views
    13 replies
    Latest over 4 years ago
    by Kunal Goel
  • Suggested Answer

    BQ25895M: Layout review 0 Locked

    208 views
    1 reply
    Latest over 4 years ago
    by Ning T
  • Not Answered

    TPIC7218-Q1: ISO 26262 Compliant 0 Locked

    214 views
    0 replies
    Started over 4 years ago
    by Chongjian Gan
  • Answered

    BQ25890: How to shut down the SYS power when the VBUS is on? 0 Locked

    231 views
    1 reply
    Latest over 4 years ago
    by Ning T
  • Suggested Answer

    BQ25895: Unexpected IINDPM and charge current too low 0 Locked

    544 views
    6 replies
    Latest over 4 years ago
    by Ning T
  • Answered

    LM25085: CC/CV Mode ripple when exceeding current limit 0 Locked

    801 views
    7 replies
    Latest over 4 years ago
    by Gu-Do Lee
  • Answered

    UC1901-SP: CC/CV Without Opto-coupler 0 Locked

    763 views
    8 replies
    Latest over 4 years ago
    by Karthik Venkateshaiah
  • Answered

    TPS54627: About the operation temperature range of TPS54627 0 Locked

    290 views
    5 replies
    Latest over 4 years ago
    by Andy Liu3
  • Answered

    TPSM5601R5HEVM: Design files 0 Locked

    339 views
    2 replies
    Latest over 4 years ago
    by Elena Gao
  • Suggested Answer

    LM5143-Q1: 4 phase single output LM5143-Q1 stuck with a 5V output. Why?? 0 Locked

    410 views
    7 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Not Answered

    TLC6C5724-Q1: There are two questions from our Customer for reliability report for TLC6C5724QDAPRQ1 0 Locked

    217 views
    4 replies
    Latest over 4 years ago
    by Xiaoguang
  • Answered

    LP8866S-Q1: Adaptive Boost Control with external PTC 0 Locked

    209 views
    3 replies
    Latest over 4 years ago
    by Xiaoguang
  • Suggested Answer

    TPS25221: Replace WS4603E-5 0 Locked

    410 views
    1 reply
    Latest over 4 years ago
    by Ziv Zhang
  • Answered

    LM43600: Current limit adjustable function device consult 0 Locked

    219 views
    2 replies
    Latest over 4 years ago
    by Xiaoying Lu
  • Suggested Answer

    BQ24298: BQ24298Based Power Architechture Review and Questions. 0 Locked

    278 views
    1 reply
    Latest over 4 years ago
    by Ning T
  • Answered

    TPS53681EVM-002: DCM mode 0 Locked

    471 views
    8 replies
    Latest over 4 years ago
    by Derrick Su
  • Suggested Answer

    BQ78Z100: Hardware version problem 0 Locked

    331 views
    11 replies
    Latest over 4 years ago
    by Shirish
  • Suggested Answer

    TPS7A20: Output noise 0 Locked

    522 views
    1 reply
    Latest over 4 years ago
    by Kyle Van Renterghem
  • Answered

    LMR34215FSC5EVM: No-load current draw 0 Locked

    291 views
    1 reply
    Latest over 4 years ago
    by Harrison Overturf
  • Suggested Answer

    UCD90160A: POWER_GOOD# status bit 0 Locked

    537 views
    3 replies
    Latest over 4 years ago
    by yihe
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