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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] TPS61220: what happen if VIN is higher than VOUT

    Jasper Li
    Jasper Li
    Part Number: TPS61220 Other Parts Discussed in Thread: TPS61291 , TLV61220 What is the behavior of the TPS61220 when the VIN is near or higher than VOUT
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS43340-Q1: TPS43340-Q1 EN pin logic threshold.

    Hyun Jun Cho
    Hyun Jun Cho
    Part Number: TPS43340-Q1 I’m evaluating TPS43340-Q1 on headunit project and found that the device is disabled when EN pin is ~1.0V. Is this expected behavior of the device’s EN pin logic threshold?
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65218D0: What difference between this new version and the old version?

    John11513
    John11513
    Part Number: TPS65218D0 Other Parts Discussed in Thread: TPS65218 Hi, I noted TPS65218 has been NRNDed. The new version is TPS65218D0. I am wondered what is the difference of this new version? Is the technical issue (DCDC4 cannot start up) with the…
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65311-Q1: VREG FET operation

    Kuramochi Tadahiko
    Kuramochi Tadahiko
    Part Number: TPS65311-Q1 Hi, When 5V is supplied to EXTSUP pin, how the VREG FET does operate(as regulator or Power SW)? I would like to know if "VREGDROP(=200mV[max])" is I*R drop. Best Regards, Kuramochi
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] Multiphase FAQ & Answers - TPS53647, TPS53667, TPS53681

    Carmen Parisi
    Carmen Parisi
    Other Parts Discussed in Thread: TPS53647 , TPS53667 , TPS53681 , TPS53622 , TPS53659 , TPS53679 Q1: How to properly turn off phases if you don’t need the max phase number? Pull the appropriate CSP line up to the controller supply voltage V3R3 to select…
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS51200: Frequently Asked Questions and Answers

    Qian Chen
    Qian Chen
    Part Number: TPS51200 General Questions: Q: What types of DDR does TPS51200 support? A: TPS51200 supports DDR, DDR2, DDR3, DDR3L, LP DDR3 (Low power DDR3) and DDR4. Q: How to calculate the power dissipation on TPS51200. A: TPS51200 is a linear…
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS51206: Frequently Asked Questions and Answers

    Qian Chen
    Qian Chen
    Part Number: TPS51206 General Questions: Q: What types of DDR does TPS51206 support? A: TPS51206 supports DDR2, DDR3, DDR3L, LP DDR3 (Low power DDR3) and DDR4. Q: How to calculate the power dissipation on TPS51206. A: TPS51206 is a linear…
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] LM388X Frequently Asked Questions and Answers

    yihe
    yihe
    This document addresses most frequently asked questions fro the LM388X analog sequencer. Pleae read thist first to ensure that you questions are covered before posting. 5164.LM388X Frequently Asked Questions and Answers.pdf Thanks
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS65072EVM-430: TPS65072 EVM

    udaya lakshmi
    udaya lakshmi
    Part Number: TPS65072EVM-430 I would like to purchase TPS65072EVM to get exposure on PMIC .When i am trying to get the user manual of TPS6507X EVM software i could not able to get.And i would like to know what kind of tests i can perform on this EVM…
    • over 7 years ago
    • Power management
    • Power management forum
  • [FAQ] LP8758-E0: Max duty and dropout voltage characteristic

    K. Sasaki14
    K. Sasaki14
    Part Number: LP8758-E0 Other Parts Discussed in Thread: LP8758 I got the answer that LP8758-E0 Max duty is 100% from the following URL E2E post. However there is "dropout voltage" (min 0.7V) on datasheet electrical characteristics. What does this…
    • Answered
    • over 7 years ago
    • Power management
    • Power management forum
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  • Answered

    UCC39002: The output voltage is 48V for current shunting. Can UCC39002 be used? 0 Locked

    359 views
    2 replies
    Latest over 5 years ago
    by Mike O'
  • Answered

    TPSM53603: Design In Questions 0 Locked

    511 views
    3 replies
    Latest over 5 years ago
    by Jimmy Hua
  • Suggested Answer

    LMZM33602: Storage temp? 0 Locked

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    LM5117: Can we draw current off VCC pin? 0 Locked

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    by Arief Hernadi
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    Power converter for Handheld device 0 Locked

    280 views
    4 replies
    Latest over 5 years ago
    by Vishwanath G
  • Answered

    TPS783: TPS783 quiescent current in Dropout mode (Vin-Vout <= 0.5V) 0 Locked

    405 views
    3 replies
    Latest over 5 years ago
    by Riccardo Dell'Oro
  • Answered

    WEBENCH® Tools/TPS40400: Vout and Vin Calibration Gain 0 Locked

    418 views
    8 replies
    Latest over 5 years ago
    by Peter James Miller
  • Not Answered

    BQ24170: BQ24170 - 15 μA Battery current with adapter removed 0 Locked

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    Latest over 5 years ago
    by Michael Emanuel35
  • Answered

    BQ76940: cell balancing with more than 5 mA? 0 Locked

    664 views
    1 reply
    Latest over 5 years ago
    by Matt Sunna
  • Answered

    BQ76940: Connection Recommendation for unused channel for BQ76940 0 Locked

    184 views
    1 reply
    Latest over 5 years ago
    by WM5295
  • Suggested Answer

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    330 views
    1 reply
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    by Andy Liu (BMS)
  • Suggested Answer

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    705 views
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    by WM5295
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    166 views
    1 reply
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Suggested Answer

    LM2596: If LMR33630 is the perfect one to replace LM2596S-5.0? 0 Locked

    1779 views
    1 reply
    Latest over 5 years ago
    by Frank De Stasi
  • Answered

    LM5145: How LM5145 knows current sensing mode 0 Locked

    452 views
    6 replies
    Latest over 5 years ago
    by Daniel Li14
  • Suggested Answer

    TPS62811-Q1: Higher inductance than recommended 0 Locked

    237 views
    1 reply
    Latest over 5 years ago
    by Febin
  • Answered

    Looking for a part that can charge a LiPo (nominal 3.7v, charge voltage = 4.2V) from 5v wall adapter, with power management 0 Locked

    762 views
    3 replies
    Latest over 5 years ago
    by Joel Hernandez II
  • Answered

    BQ40Z80: Need Help in understanding purpose of schematic symbol 0 Locked

    472 views
    1 reply
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Not Answered

    LMR33630: 4 - 36V, 3A Synchronous DCDC with external compensation circuit 0 Locked

    230 views
    1 reply
    Latest over 5 years ago
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    TLV755P: Reverse current 0 Locked

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