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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] TPS7H5001-SP: How do I use the TPS7H500X-SP family as a voltage mode controller?

    Daniel Hartung
    Daniel Hartung
    Part Number: TPS7H5001-SP The TPS7H500X-SP family of devices are innately set-up for current mode control. Am I able to use the controller as a voltage mode controller?
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24610: What is the proper placement of bypass capacitors on VREF, VCC, and REGN for BQ24610 and other BQ246xx devices?

    Michael Emanuel35
    Michael Emanuel35
    Part Number: BQ24610 Please place all decoupling capacitors as close as possible to the IC pin they correspond to (following the Layout Guidelines and priorities for each device). However, please make sure that the VREF, VCC, and REGN pins are not loaded…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS23731: Vout setting on diode rectification and primary-side regulation (affect by VFCP)

    Satoshi
    Satoshi
    Part Number: TPS23731 I considering TPS23731 with diode rectification and primary-side regulation, referenced by answered below E2E thread. https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1169390/tps23731…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LP87745-Q1: Where can I find functional safety documents and full data sheet?

    Ishtiaque Panhwar
    Ishtiaque Panhwar
    Part Number: LP87745-Q1 The functional safety documents and full data sheet can be requested through following request link on product folder at https://www.ti.com/product/LP87745-Q1?keyMatch=LP8774-Q1 . Thanks!
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LP87745-Q1: What is the naming convention of device part number?

    Ishtiaque Panhwar
    Ishtiaque Panhwar
    Part Number: LP87745-Q1 It is explained as following; LP8774 x x xx RXV R Q1 x : Number of regulators x : Switching Frequency (Fsw) and BOM/performance optimized options (1,2,or 3) LP8774x 1 : 17.6 MHz + full performance option or BOM/cost…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LP8758-B0: Can TI provide a solution size for the device?

    Phil Yi
    Phil Yi
    Part Number: LP8758-B0 Yes; the EVM design linked below can provide a reference of the solution size for these devices in every phase configurations: https://www.ti.com/tool/LP8758EVM?keyMatch=&tisearch=search-everything&usecase=hardware The picture…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LP8758-E0: Does TI have other existing OTP variants for quicker and easier samples?

    Phil Yi
    Phil Yi
    Part Number: LP8758-E0 Yes; listed in table picture below are existing OTP variants available for samples. Any new OTP variant needs to meet certain business size to start the process; please contact your local TI sales for more details.
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] LM26480: Is there a reference design of power up sequence implemented by RC delay on EN pin?

    Phil Yi
    Phil Yi
    Part Number: LM26480 Yes; a set of RC (Resistor and Capacitor) values were used on TI LM26480 EVM with VCC=3.3V on 3 "EN" pins (ENSW2, ENLDO1, ENLDO2) to control the power up delay for the sequence. ENSW1 connects to VCC directly without RC delay. …
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ76952: Mask registers for Alarm Raw Status

    Francis Jiang
    Francis Jiang
    Part Number: BQ76952 Hi Team, I would like to ask a question: what is the mask registers? I am confused about the following words: Thanks a lot. BRs, Francis
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPS43330A-Q1: TPS43330 EMC Comparison between SS (Spread Spectrum) Disable/Enable

    Phil Yi
    Phil Yi
    Part Number: TPS43330A-Q1 TPS43330 EMC Comparison for SS.pdf
    • over 2 years ago
    • Power management
    • Power management forum
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  • Answered

    TPS552892: TPS552892 High ripple noise 0

    147 views
    13 replies
    Latest 9 days ago
    by Shipeng Cheng
  • Answered

    CSD95410RRB: Specification of CSD95410RRB EN Signal 0

    53 views
    2 replies
    Latest 9 days ago
    by Yoshiyuki Tokumitsu
  • Answered

    TPSM831D31: Replacement of TPSM831D31 0

    51 views
    3 replies
    Latest 10 days ago
    by Troy Johnson
  • Not Answered

    TPS82130EVM-720: Can we perform a Bode Plot measurement and are the test results meaningful using the TPS82130 ? 0

    150 views
    0 replies
    Started 10 days ago
    by Michel Heuts
  • Not Answered

    BQ79731-Q1: power consumption 0

    141 views
    0 replies
    Started 10 days ago
    by Che Wen Yeh
  • Not Answered

    BQ40Z50EVM-561: Fuel gauge apparently preventing charger from completing full charge 0

    48 views
    3 replies
    Latest 10 days ago
    by Max Booker1
  • Answered

    TPS1663: EFUSE clarification 0

    54 views
    5 replies
    Latest 11 days ago
    by Amrit Jit
  • Not Answered

    TPS566231: TPS566231RQFR VIN short to GND immediately upon first power up 0

    117 views
    16 replies
    Latest 11 days ago
    by Calan Elaya
  • Suggested Answer

    TPS3808: Reset pullup voltage 0

    29 views
    1 reply
    Latest 11 days ago
    by Sila Atalar
  • Not Answered

    TPS7A57: noise source, seems like some resonance? 0

    56 views
    3 replies
    Latest 11 days ago
    by Gregory Thompson
  • Suggested Answer

    UCC21520-Q1: Schematic verification 0

    40 views
    1 reply
    Latest 11 days ago
    by Will Appelt
  • Not Answered

    TPS274C65: Use of BS version in daisy chain mode 0

    34 views
    1 reply
    Latest 11 days ago
    by Timothy Logan
  • Suggested Answer

    BQ25302: BQ25302 VSYS via Q4 0

    45 views
    3 replies
    Latest 11 days ago
    by Ning T
  • Suggested Answer

    TPS25751: NegotiateHighVoltage mode EEPROM check 0

    68 views
    4 replies
    Latest 11 days ago
    by Raymond Lin
  • Suggested Answer

    TPS25751: battery level < 20%, Stop discharging external devices 0

    147 views
    10 replies
    Latest 11 days ago
    by Raymond Lin
  • Answered

    LM25037: UVLO circuit design 0

    62 views
    1 reply
    Latest 11 days ago
    by Hong Huang
  • Suggested Answer

    TPS4800-Q1: Input capacitance in EVM 0

    26 views
    1 reply
    Latest 11 days ago
    by Rishika Patel
  • Suggested Answer

    BQ25730EVM: SCL and SDA has Irregular high-level signal after powering up 0

    29 views
    1 reply
    Latest 11 days ago
    by Tiger Zhou
  • Not Answered

    TPS1H100-Q1: Damage Issue 0

    66 views
    5 replies
    Latest 11 days ago
    by Rishika Patel
  • Suggested Answer

    LP8758-E3: LP8758-E3 Start-up and part number for order 0

    45 views
    3 replies
    Latest 11 days ago
    by Sarah Lao
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