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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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View FAQ threads
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  • Answered

    BQ2980: Supporting LiFePO4 0 Locked

    412 views
    1 reply
    Latest over 4 years ago
    by Shawn Hinkle
  • Suggested Answer

    SN75451B: wider temp range 0 Locked

    293 views
    1 reply
    Latest over 4 years ago
    by Shreyas Dmello
  • Suggested Answer

    TPS22913: latch up information for TPS22913CYZVR 0 Locked

    353 views
    3 replies
    Latest over 4 years ago
    by Shreyas Dmello
  • Suggested Answer

    TPS62175: overvoltage protection 0 Locked

    255 views
    1 reply
    Latest over 4 years ago
    by Matthew Murdock
  • Suggested Answer

    EMB1499Q: LTO battery 0 Locked

    350 views
    1 reply
    Latest over 4 years ago
    by Taylor Vogt
  • Suggested Answer

    BQ25895: [SOLVED] Very strange behavior ADC VBAT reading through I2C interface, seems not read if battery voltage is under 3.5V 0 Locked

    699 views
    2 replies
    Latest over 4 years ago
    by FFabio
  • Answered

    TPS53681: no voltage output from tps53681 but enable is normal, rail #2 seeing continous OVF. 0 Locked

    312 views
    5 replies
    Latest over 4 years ago
    by Rama Pamidi
  • Not Answered

    BQ25121A: BQ25121A Board Testing 0 Locked

    664 views
    7 replies
    Latest over 4 years ago
    by Anthony P Pham
  • Suggested Answer

    BQ24073: Inquiries regarding incorrect connection between BQ24073 and battery pack 0 Locked

    306 views
    1 reply
    Latest over 4 years ago
    by Anthony P Pham
  • Answered

    BQ76952: One of the chip switches off immediately after a bootup (TS2 is grounded and released) 0 Locked

    209 views
    1 reply
    Latest over 4 years ago
    by Eohan George22
  • Not Answered

    BQ21061: The function of Low power of BQ21061 0 Locked

    291 views
    1 reply
    Latest over 4 years ago
    by Gautham
  • Answered

    TPS63050: 1.35Mhz Switching frequency? 0 Locked

    531 views
    5 replies
    Latest over 4 years ago
    by Will Jarrett
  • Suggested Answer

    REF3112: 1.2V output REF31xx. 0 Locked

    300 views
    1 reply
    Latest over 4 years ago
    by Marcoo Z
  • Answered

    BQ78350-R1:BQ78350-R1 0 Locked

    338 views
    7 replies
    Latest over 4 years ago
    by user6499168
  • Suggested Answer

    BQ25155: Using I2C with BQ25155 without routing /LP line 0 Locked

    519 views
    5 replies
    Latest over 4 years ago
    by Gautham
  • Answered

    BQ34Z100-G1: FlashStream SLUA801 - can't compile programm; Python Script? 0 Locked

    1082 views
    3 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Answered

    BQ25792: QON pin. System power reset without ship FET 0 Locked

    651 views
    1 reply
    Latest over 4 years ago
    by Jeff F
  • Suggested Answer

    BQ27542-G1: BQ27542 Cycle count value changes randomly ..? 0 Locked

    338 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Not Answered

    LM3478: Voltage drop under load with LM3478 Flyback transformer. 0 Locked

    2424 views
    7 replies
    Latest over 4 years ago
    by Yinsong Cai1
  • Suggested Answer

    BQ40Z80: Question about AOLD(Overload in Discharge) ? 0 Locked

    769 views
    9 replies
    Latest over 4 years ago
    by Wyatt Keller
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