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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] BQ24800: [FAQ] How do I ensure the charger schematic is satisfactory? Is there a schematic checklist for bq24800?

    Pengzhao Zhu
    Pengzhao Zhu
    Part Number: BQ24800 Dear all, The following document shows key considerations when choosing external components for BQ24800. If there are any discrepancies, the datasheet should be referred. Regards, Pengzhao Zhu Application Engineer Texas Ins…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24780S: [FAQ] How do I ensure the charger schematic is satisfactory? Is there a schematic checklist for bq24780S?

    Pengzhao Zhu
    Pengzhao Zhu
    Other Parts Discussed in Thread: BQ24780S Dear all, The following document shows key considerations when choosing external components for BQ24780S. If there are any discrepancies, the datasheet should be referred. Regards, Pengzhao Zhu Application…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TL431: Is there a simple nomenclature guide for TI's shunt reference families?

    Masoud Beheshti61
    Masoud Beheshti61
    Part Number: TL431 Other Parts Discussed in Thread: TLVH431 , , Do you have a simple device nomenclature guide for shunt references such as (A)TL431, (A)TL431LI, TLVH431 and others?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC21520: Can a single PWM signal drive a dual input driver?

    Daniel Norwood
    Daniel Norwood
    Part Number: UCC21520 Other Parts Discussed in Thread: UCC20520 Can a single PWM signal drive a dual input driver?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS62933: How to achieve single-layer PCB layout with improved EMI?

    Zhao Ma
    Zhao Ma
    Part Number: TPS62933 Other Parts Discussed in Thread: TPS54302 , , TPS54335A A single layer printed circuit board (PCB) is widely used in major appliances, residential air conditioners, home audios, speakers and other small home appliances. Compared…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS2420: Can TPS2420 be a pin to pin replacement for TPS2590?

    Kunal Goel
    Kunal Goel
    Part Number: TPS2420 Other Parts Discussed in Thread: TPS2590 , Can TPS2420 be a pin to pin replacement for TPS2590?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS25947: What is the difference between TPS25947,TPS25946,TPS25210 and LM73100 ?

    Kunal Goel
    Kunal Goel
    Part Number: TPS25947 Other Parts Discussed in Thread: TPS25946 , What is the difference between TPS25947,TPS25946,TPS25210 and LM73100 ?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS61022: About PFM operation

    Tsukui Yusuke
    Tsukui Yusuke
    Part Number: TPS61022 Hi, I have two questions about the PFM behavior of TPS61022. Let me talk about the PFM of TPS61022. 1. Could you tell me the pulse type of PFM? I would like to know the types of methods such as switching skip method and single…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS546D24A: Selecting Rboot and Calculating Rboot power dissipation

    Peter James Miller
    Peter James Miller
    Part Number: TPS546D24A In the TPS546D24A EVM, and many TI reference designs for high-current Buck switching converters, I see that there is a resistor in series with the BOOT pin to connect a capacitor to the switching (SW, PHASE, Etc) pin. How do…
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] UCC21520: How can I prevent false turn on of the Power FET during powerup?

    Daniel Norwood
    Daniel Norwood
    Part Number: UCC21520 How can I prevent false turn on of the Power FET during powerup?
    • Answered
    • over 3 years ago
    • Power management
    • Power management forum
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  • Not Answered

    LP876242-Q1: Shutdown issue 0 Locked

    180 views
    3 replies
    Latest over 1 year ago
    by Ishtiaque Panhwar
  • Suggested Answer

    LM51231-Q1: Problems when leaving bypass operation 0 Locked

    704 views
    5 replies
    Latest over 1 year ago
    by Harry Hofner
  • Answered

    TPS55340: Webench simulation for 12Vin, 38Vout, 1Aout use-case resulted output over 100V 0 Locked

    215 views
    2 replies
    Latest over 1 year ago
    by Ernest Cho
  • Not Answered

    TPS63021: Converter does not switch from PS to PWM mode 0 Locked

    278 views
    3 replies
    Latest over 1 year ago
    by Tao Zhang
  • Not Answered

    LM3409EVAL: Seeking LED Driver for Medical Equipment Use. 0 Locked

    219 views
    1 reply
    Latest over 1 year ago
    by Hailee Xu
  • Answered

    BQ25504: Design tool SLURAQ1 not available 0 Locked

    316 views
    2 replies
    Latest over 1 year ago
    by Tom Latter-Stapley
  • Suggested Answer

    LM5013-Q1: TINA model 0 Locked

    242 views
    1 reply
    Latest over 1 year ago
    by Nityanand Hegde
  • Suggested Answer

    BQ79616-Q1: Request for schematic review (BQ79616 & M0L1304) 0 Locked

    370 views
    3 replies
    Latest over 1 year ago
    by David Ray
  • Not Answered

    ULN2003A: ULN2003A **Issue with Relay Driving Circuit: Unexpected Output Voltage at Pin 16** 0 Locked

    318 views
    1 reply
    Latest over 1 year ago
    by sarath M
  • Not Answered

    TPS2663: Power-Mux blocking voltage on non active input 0 Locked

    444 views
    17 replies
    Latest over 1 year ago
    by Roman Boehning
  • Not Answered

    TPS61163: TPS61163 negative voltage test 0 Locked

    198 views
    5 replies
    Latest over 1 year ago
    by Patrick Yao
  • Suggested Answer

    LP8867Q1EVM: I would like to replace LP8867-Q1 for LP8869C-Q1 in this EVM 0 Locked

    251 views
    3 replies
    Latest over 1 year ago
    by Zhiqian Wu
  • Suggested Answer

    TLC6C5748EVM: Verilog file for simulation 0 Locked

    258 views
    3 replies
    Latest over 1 year ago
    by Gracie Guo
  • Not Answered

    TPS61161A: Backlight Activation Issues PWM: Troubleshooting Voltage and Current Requirements for TPS61161A 0 Locked

    241 views
    1 reply
    Latest over 1 year ago
    by Patrick Yao
  • Not Answered

    BQ76952: FULLSCAN bit clear process during run time 0 Locked

    173 views
    1 reply
    Latest over 1 year ago
    by Thomas Rainey
  • Not Answered

    TPS65131: Not working above 3V3 0 Locked

    332 views
    11 replies
    Latest over 1 year ago
    by Patrick Yao
  • Answered

    TPS55289: What conditions would result in i2c interface not responding 0 Locked

    478 views
    4 replies
    Latest over 1 year ago
    by Gordon Charles
  • Suggested Answer

    UCC2800: Not so much a question, just wanted to point out a couple of errors in the "Best power tips" e-book 0 Locked

    421 views
    4 replies
    Latest over 1 year ago
    by Brian King
  • Suggested Answer

    REF200: The current source REF200 simulates PMT to test TIA and fails. 0 Locked

    717 views
    4 replies
    Latest over 1 year ago
    by Jackson Wightman
  • Answered

    BQ25303J: Integration with BQ2900 for single LiPo cell 0 Locked

    369 views
    4 replies
    Latest over 1 year ago
    by Ning T
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