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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

    BQ33100: BQ33100 flash checksum 0 Locked

    743 views
    2 replies
    Latest over 7 years ago
    by Charles Bergren
  • Not Answered

    TPS22990: Long delay time at "td" 0 Locked

    1436 views
    9 replies
    Latest over 7 years ago
    by Aleksandras_Kaknevicius
  • Suggested Answer

    BQ24450: How Do We Obtain Deep Recovery (Pre-Charge) Mode Status 0 Locked

    607 views
    1 reply
    Latest over 7 years ago
    by Bill Johns
  • Answered

    TPS1H100-Q1: response time when short to GND 0 Locked

    530 views
    1 reply
    Latest over 7 years ago
    by Mahmoud Harmouch
  • Not Answered

    LM5175: DC/DC 2V to 30V Adjustable Power Supply 0 Locked

    1205 views
    3 replies
    Latest over 7 years ago
    by Garrett Roecker
  • Not Answered

    BQ78350-R1: SDA (pin 3) and SCL (pin 4) are Push pull GPIO? or open drain GPIO? 0 Locked

    884 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Not Answered

    BQ27421-G1: BQ27421 / Swap the line of data in golden image 0 Locked

    393 views
    1 reply
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    BQ40Z50-R2: SMBus stuck during SREC read 0 Locked

    2188 views
    9 replies
    Latest over 7 years ago
    by Charles Bergren
  • Not Answered

    LM5170EVM-BIDIR: Dimensional Information Request 0 Locked

    1251 views
    4 replies
    Latest over 7 years ago
    by Garrett Roecker
  • Not Answered

    BQ25700A: Power-up from DC source without batery 0 Locked

    426 views
    1 reply
    Latest over 7 years ago
    by Wang5577
  • Not Answered

    BQ24780S: Question regarding operation 0 Locked

    512 views
    1 reply
    Latest over 7 years ago
    by Wang5577
  • Answered

    LP8758-E0: Issues with one buck regulator out of four 0 Locked

    638 views
    2 replies
    Latest over 7 years ago
    by Eric Steimle
  • Answered

    BQ25010: DCDC operation of the device - without a battery attached 0 Locked

    586 views
    1 reply
    Latest over 7 years ago
    by Bill Johns
  • Discussion

    UCC2802: VCC Rating Locked

    523 views
    1 reply
    Latest over 7 years ago
    by DavitKhudaverdyan
  • Answered

    TPS548A20: VDD and VREG capacitor 0 Locked

    1104 views
    4 replies
    Latest over 7 years ago
    by JohnTucker
  • Suggested Answer

    TL431A-Q1: Cathode Current vs Cathode Voltage(Figure4) 0 Locked

    575 views
    1 reply
    Latest over 7 years ago
    by Marcoo Z
  • Suggested Answer

    BQ76940: ADC Measurement accuracy drift over time and ageing 0 Locked

    819 views
    3 replies
    Latest over 7 years ago
    by Vish Nadarajah
  • Not Answered

    LM2596: cannot output enough current when configured as inverting regulator 0 Locked

    3287 views
    2 replies
    Latest over 7 years ago
    by Frank De Stasi
  • Suggested Answer

    TPS62085: Sawtooth noise on 1.8V TPS62085 0 Locked

    1637 views
    5 replies
    Latest over 7 years ago
    by Chris Glaser
  • Suggested Answer

    TPS730: The inrush current of TPS730 0 Locked

    1087 views
    5 replies
    Latest over 7 years ago
    by Ryan Eslinger
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