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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

    LP8868Y-Q1: LP8868Y-Q1: 0

    22 views
    1 reply
    Latest 13 hours ago
    by Suchen Dong
  • Not Answered

    TPS2549-Q1: Connection of unused pins 0

    5 views
    0 replies
    Started 13 hours ago
    by Chase Jeong
  • Suggested Answer

    BQ25713: Unexpected behavior where the charging current reaches a constant value during CV charging. 0

    38 views
    2 replies
    Latest 13 hours ago
    by MOTOHIRO KANAI
  • Not Answered

    LP8868Y-Q1: LP8868Y-Q1 0

    26 views
    2 replies
    Latest 13 hours ago
    by Suchen Dong
  • Not Answered

    LM5171: LM5171 I2C status registers doesn't match 0

    110 views
    6 replies
    Latest 13 hours ago
    by Feng Ji
  • Answered

    TUSB546A-DCI: TUSB546 AUXN voltage is too low 0

    30 views
    3 replies
    Latest 13 hours ago
    by ZHE YU Li
  • Not Answered

    TPS23754: Request schematic review of TPS23754 0

    43 views
    4 replies
    Latest 13 hours ago
    by Grady Lee
  • Not Answered

    BQ78Z100: FS burning file 0

    25 views
    2 replies
    Latest 13 hours ago
    by Amber Si
  • Answered

    BQ25731: Unable to Change Charge Current over I2C 0

    82 views
    4 replies
    Latest 13 hours ago
    by Aram Dergevorkian
  • Not Answered

    BQ25190: buck-boost rail GND short issue 0

    54 views
    6 replies
    Latest 14 hours ago
    by Gilhwan Cha
  • Suggested Answer

    BQ27Z746: The unit of cycle count based Qmax degradation 0

    53 views
    4 replies
    Latest 14 hours ago
    by Kailun Liu
  • Not Answered

    LP2989: marking faded issue for PN#LP2989AILD-3.3/NOPB (SO#422376) 0

    30 views
    2 replies
    Latest 14 hours ago
    by Jun Liu
  • Suggested Answer

    LMR14020-Q1: LMR14020-Q1 FMEA 0

    23 views
    2 replies
    Latest 14 hours ago
    by Frank De Stasi
  • Not Answered

    TLV770: LDO devices with Active Low enable 0

    10 views
    0 replies
    Started 14 hours ago
    by JH Shin
  • Suggested Answer

    BQ28Z620: Issue of inconsistent SOC during low current discharge of BQ28Z620 0

    59 views
    6 replies
    Latest 14 hours ago
    by Elias Xiao
  • Not Answered

    TPS1641: TPS16412DRCR damaged during output short-circuit test 0

    6 views
    0 replies
    Started 14 hours ago
    by jaime bedoya
  • Not Answered

    TPS22991: Turn-off control error 0

    64 views
    6 replies
    Latest 14 hours ago
    by JH Shin
  • Answered

    TPS25981: Could you please help us review schematic? 0

    131 views
    11 replies
    Latest 15 hours ago
    by Yu Jen Wang
  • Not Answered

    LMR51635: LTspice model 0

    14 views
    2 replies
    Latest 15 hours ago
    by Shotaro Sakai
  • Not Answered

    TPS7A4101: TPS7A4101DGNR EXPOSED THERMAL PAD oxidation 0

    121 views
    8 replies
    Latest 15 hours ago
    by Manuel Rosario
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