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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] TPS2117: Why isn’t my Power Mux blocking reverse current/voltage?

    Patrick Shalton
    Patrick Shalton
    Part Number: TPS2117 Background When designing a power path with two or more input sources, it is imperative to not only be able to decide when to switch from one input to another, but also block current flowing from the active source to the inactive…
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] TPL7407LA: TPL7407LA vs. TPL7407L

    Elizabeth Higgins
    Elizabeth Higgins
    Part Number: TPL7407LA Other Parts Discussed in Thread: ULN2003A , TPL7407L , The applications for low-side switching are far reaching, with loads ranging from relays to solenoids, LEDs to lamps, etc. The ULN2003A for example is so widely used, it has…
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] Thunderbolt Reference Designs with TI USB-C PD Products

    Adam Mc Gaffin
    Adam Mc Gaffin
    Other Parts Discussed in Thread: TPS65988DJ , TPS65982BB , TPD6S300A , TPS65988DK , TPS65982DMC , TPS55288 , TPS2546 , TPD4S311A , TPS65987DDK , TPS25810 , TPS2553 For customers looking to design thunderbolt systems with USB-C, how should one determine…
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] BQ25720: How does BQ25720 charge a battery?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25720 In other word, what is the battery charge profile?
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] BQ25720EVM: How to get the Altium design files?

    Tiger Zhou
    Tiger Zhou
    Part Number: BQ25720EVM Other Parts Discussed in Thread: BQ25720 , PMP22419 , BQ25731EVM , BQ25723EVM , BQ25730EVM To speed up the design, I would like to get the Altium design files.
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] TPS65220: TPS6522053RHBR schematic review for AM64x

    Kavin Ravi
    Kavin Ravi
    Part Number: TPS65220 Other Parts Discussed in Thread: TPS65219 , Hi, Please find attached the TPS65219 Schematic and Layout Checklist. We use PMIC, TPS6522053RHBR along with TPS22965DSGT in one of our products. Could you please review the schematics…
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] TPS23730: Using TPS23730 in PoE++

    Diang Xing
    Diang Xing
    Part Number: TPS23730 Other Parts Discussed in Thread: TPS23880 My customer is testing a PD board they designed using the TPS23730. The PSE board will use commercial products. Is there a difference in connection between the 802.3bt board and the POE…
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] Some 25.5-W PoE PD Controllers & Their Key Features

    Diang Xing
    Diang Xing
    Other Parts Discussed in Thread: TPS2378 , TPS2379 , TPS23751 , TPS23752 , TPS23754 , TPS23756 , TPS23731 , TPS23734 TPS2378/9 (PD only): - Compliance to IEEE 802.3at - 0.5-Ohm typ. hotswap - TPS2378 has adapter higher priority, TPS2379 has gate…
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] BQ25620: Does the BQ2562x device store my register configuration?

    Garrett Kreger
    Garrett Kreger
    Part Number: BQ25620 The BQ2562x family of charger ICs can be configured to operate in a variety of ways via I2C communication. They can also operate in 'default mode' without host control. The BQ2562x family of devices does not have non-volatile…
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
  • [FAQ] BQ25620: How does QON pin function work and what is required hold low timing?

    Garrett Kreger
    Garrett Kreger
    Part Number: BQ25620 The QON pin on the BQ2562x family of devices has 2 functions, which are both controlled by pulling QON low for a certain amount of time. These 2 functions are exit ship mode (i.e. BATFET enable) and system power reset. The timing…
    • Answered
    • over 1 year ago
    • Power management
    • Power management forum
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    TPS65381A-Q1: About external capacitor of VCP(Charge pump output voltage) 0 Locked

    943 views
    2 replies
    Latest over 7 years ago
    by yusuke otake
  • Suggested Answer

    TPS563208: Routing the feedback trace and return path of this trace 0 Locked

    1418 views
    1 reply
    Latest over 7 years ago
    by Anthony Lang
  • Suggested Answer

    BQ20Z65-R1: Charge Fault 0 Locked

    3544 views
    17 replies
    Latest over 7 years ago
    by jeffrey ye
  • Answered

    BQ25910: BQ25910 PMID capacitor 0 Locked

    1711 views
    4 replies
    Latest over 7 years ago
    by michael YANG
  • Answered

    TPS92512HV: Can TPS92512HV be used with TPS92661-Q1 or TPS92662-Q1? 0 Locked

    966 views
    3 replies
    Latest over 7 years ago
    by Kazuya Nakai59
  • Suggested Answer

    LMR14030-Q1: EMI Exceed the standard :spurious and CLK harmonic 0 Locked

    2630 views
    13 replies
    Latest over 7 years ago
    by Gavin Wang (Zejing)
  • Answered

    LM46000: Recommended value of external components 0 Locked

    908 views
    2 replies
    Latest over 7 years ago
    by Seishin
  • Answered

    TPS92661-Q1: Can only one VIN terminal be connected to power supply? 0 Locked

    496 views
    2 replies
    Latest over 7 years ago
    by Kazuya Nakai59
  • Suggested Answer

    TPS1H000-Q1: This version is A-version in data sheet. There is no Current sense. Do you have a current sense mode plan? 0 Locked

    609 views
    2 replies
    Latest over 7 years ago
    by morihisa hasegawa
  • Suggested Answer

    LM34922: Rs and D1 Selections 0 Locked

    519 views
    1 reply
    Latest over 7 years ago
    by David Baba
  • Not Answered

    LM3478: Compensation for duty cycle > 90% 0 Locked

    667 views
    4 replies
    Latest over 7 years ago
    by Garrett Roecker
  • Suggested Answer

    LM5020: Transforme Design Specification: PMP10195: Three-Phase AC and DC Input to 24V at 125mA Quick-Startup Isolated Flyback Reference Design 0 Locked

    1448 views
    7 replies
    Latest over 7 years ago
    by Garrett Roecker
  • Answered

    TPS386000: Can SENSE inputs be powered when VCC is 0V? 0 Locked

    471 views
    1 reply
    Latest over 7 years ago
    by Michael_DeSando
  • Suggested Answer

    LP8556: VLDO capacitor 0 Locked

    453 views
    1 reply
    Latest over 7 years ago
    by Hak-Leong Ng
  • Suggested Answer

    TLC59401: VLED dropped when OUTx set to low 0 Locked

    1440 views
    4 replies
    Latest over 7 years ago
    by ivan yakimenko
  • Not Answered

    BQ40Z60: Register not referenced in the Technical Reference Manual 0 Locked

    606 views
    2 replies
    Latest over 7 years ago
    by LIAN DAI59
  • Not Answered

    TPS22959: Motor starting current 0 Locked

    634 views
    3 replies
    Latest over 7 years ago
    by Aleksandras_Kaknevicius
  • Not Answered

    BQ24725A: BQ24725A - without adapter plug-in, will ACOK pin pull low and I2C interface still alive to access battery charger? 0 Locked

    513 views
    1 reply
    Latest over 7 years ago
    by Wang5577
  • Suggested Answer

    TPS22976: Connecting backwards okay? 0 Locked

    537 views
    2 replies
    Latest over 7 years ago
    by Aleksandras_Kaknevicius
  • Suggested Answer

    UCC24612: Why the turn on delay is so long -150ns for -2 version 0 Locked

    580 views
    1 reply
    Latest over 7 years ago
    by Bing -PSC Lu
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