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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

    [FAQ] BQ25792: What voltage does this narrow voltage DC (NVDC) charger regulate the SYS output to if no battery is attached and charge is disabled? 0 Locked

    526 views
    0 replies
    Started over 4 years ago
    by Jeff F
  • Answered

    BQ25120A: Battery management deep dive on-demand technical training & BQ25120A 0 Locked

    778 views
    13 replies
    Latest over 4 years ago
    by Arelis Guerrero
  • Not Answered

    For 18V input IC supply current is 15mA and when i raise input voltage supply current raised to 24mA,in this case IC gets over heated,i don't understand why supply current is increasing with input voltage. 0 Locked

    139 views
    1 reply
    Latest over 4 years ago
    by Michael Emanuel35
  • Suggested Answer

    BQ27426EVM-738: Charging cannot reach 100%, discharging will be less than 3.4V minimum system voltage 0 Locked

    476 views
    1 reply
    Latest over 4 years ago
    by Dominik Hartl11
  • Not Answered

    BQ24650EVM-639: Increased my VBat/Vout, suddenly not charging 0 Locked

    160 views
    1 reply
    Latest over 4 years ago
    by Michael Emanuel35
  • Suggested Answer

    TPS40200EVM-001: 3d design files 0 Locked

    396 views
    3 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Suggested Answer

    LM63635-Q1: risks of LM63635 to replace 63625 and 63615 0 Locked

    330 views
    1 reply
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    BQ24616: PG signal is not getting and charger is ON for 2 minutes and goes off. 0 Locked

    182 views
    3 replies
    Latest over 4 years ago
    by Michael Emanuel35
  • Suggested Answer

    LMR33610: LMR33610_Required_Internal MOSFET_rise and fall time 0 Locked

    159 views
    2 replies
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    LMZ36002EVM: Lmz36002 0 Locked

    293 views
    2 replies
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    LM5010: Use LM5010SD power supply scheme 0 Locked

    249 views
    2 replies
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    LMZ14202H: The required input/output voltage difference spec of the LMZ14202H 0 Locked

    536 views
    8 replies
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    TPS7A84A: Schematic review for TPS7A84A 0 Locked

    443 views
    3 replies
    Latest over 4 years ago
    by Edgar Acosta1
  • Not Answered

    TPS65218D0: Restart issue 0 Locked

    107 views
    1 reply
    Latest over 4 years ago
    by Emily Kong1
  • Answered

    LM22671: Unused pin, 0 Locked

    245 views
    1 reply
    Latest over 4 years ago
    by Frank De Stasi
  • Suggested Answer

    BQ34Z100-G1: SOC Jump (99% --> 0%, 0% --> 100%) 0 Locked

    518 views
    11 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    TPS51206: Pin FMEA document for TPS51206 0 Locked

    330 views
    1 reply
    Latest over 4 years ago
    by Zhao Gao
  • Suggested Answer

    TPS549D22: TPS549D22 0 Locked

    276 views
    1 reply
    Latest over 4 years ago
    by Alec Biesterfeld
  • Answered

    TPS24712: recommended ratio of Cin:Cout? 0 Locked

    273 views
    2 replies
    Latest over 4 years ago
    by Kai Lai
  • Answered

    BQ40Z50EVM-561: battery gauge and protection IC 0 Locked

    238 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
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