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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] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: FAQ Home Page

    Jose Couso
    Jose Couso
    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    William Moore
    William Moore
    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does SOC drop from 100% after full charge?

    Wyatt Keller
    Wyatt Keller
    The gauge takes an OCV measurements periodically when in relaxation and then uses this measurement to recalculate the remaining capacity and full charge capacity. If there is a change in conditions, like temperature, or every 5 hours in relaxation mode…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status register not updating from 5 to 6?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x05 to 0x06. This transition indicates that the gauge has updated the…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z561 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z561 , BQ27Z561-R2 , BQ27Z561-R1 BQ27Z561 FAQ Home Page This is the home page for common questions in relation to the BQ27Z561, BQ27Z561-R1, and BQ27Z561-R2. FAQs Related FAQ home pages: Impedance Track FAQ…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status not updating from 4 to 5?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x04 to 0x05. For this to happen, there must be at least a 90% change…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Thermal Dissipation from an LDO Perspective

    McKyla Beuttler
    McKyla Beuttler
    Other Parts Discussed in Thread: TPS7B86-Q1 , TPS745 One commonly misunderstood topic regarding low dropout regulators (LDOs) is thermal dissipation. LDOs drop the input voltage using a FET in order to achieve the desired output rail. This power dissipates…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the maximum duty cycle of BQ24800? Can this duty cycle support my input adapter voltage?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 Other Parts Discussed in Thread: BQ24780S Customers are often interested in knowing the max duty cycle of the buck converter so they can estimate the max output voltage of the charger at different input voltages. The max duty cycle…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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  • Not Answered

    TPS25763-Q1: Downloading of firmware package reg 0

    77 views
    3 replies
    Latest 2 days ago
    by Zack A
  • Not Answered

    TPS62876-Q1: TPS62876 Stack Configuration SYNCOUT 0

    35 views
    5 replies
    Latest 2 days ago
    by Jingyi
  • Not Answered

    F29-SDK: Suppress "INFO:" messages in the CCS build log from SDK .js scripts 0

    26 views
    0 replies
    Started 2 days ago
    by Engy Khalaf
  • Not Answered

    BQ79616: BQ79616 0

    12 views
    0 replies
    Started 2 days ago
    by Pankaj Sawarkar
  • Not Answered

    LM74502: LM74502 circuit does not switch on within nominal operational range 0

    42 views
    2 replies
    Latest 2 days ago
    by Jan Makowski
  • Suggested Answer

    TPS2490: TPS2490 gate control oscillates 0

    36 views
    3 replies
    Latest 2 days ago
    by Stanislav Dittmar
  • Suggested Answer

    TPSM82902: Voltage back drive 0

    66 views
    5 replies
    Latest 2 days ago
    by Rupayan Saha
  • Not Answered

    BQ79718B-Q1: Bq79718 is having open wire Detection of cells 1-18? 0

    26 views
    0 replies
    Started 2 days ago
    by R K
  • Not Answered

    TPSF12C3-Q1: TPSF12C3 – Using Two AEF Loops on the Same Line? 0

    44 views
    2 replies
    Latest 2 days ago
    by Naresh Adepu
  • Not Answered

    TPS2662: TPS26622 asserts FLT low 0

    27 views
    3 replies
    Latest 3 days ago
    by Francisco Fernandez
  • Suggested Answer

    TPSM63610: Regarding pin to pin footprint compatible alternative for TPSM63610 IC, for 28V to 26V conversion. 0

    127 views
    9 replies
    Latest 3 days ago
    by Niranjan Nair
  • Suggested Answer

    TPSM365R6: TPSM365R6 0

    77 views
    9 replies
    Latest 3 days ago
    by Niranjan Nair
  • Suggested Answer

    TPS92630-Q1: feasible design for automotive lighting application 0

    50 views
    4 replies
    Latest 3 days ago
    by Smitha R
  • Answered

    BQ76952: Invalid accumulated charge values 0

    59 views
    2 replies
    Latest 3 days ago
    by Joost Weijs
  • Not Answered

    LMQ644A2-Q1: Schematic review and component suggestion 0

    77 views
    6 replies
    Latest 3 days ago
    by Sourish Nandy
  • Not Answered

    BQ76952EVM: U 0

    26 views
    0 replies
    Started 3 days ago
    by Tom Eaton
  • Not Answered

    UCC256403: Using constant auxiliary voltage on BW-Pin 0

    79 views
    8 replies
    Latest 3 days ago
    by Patrick Stiller
  • Not Answered

    LM51772EVM-HP: LM51772 EVM Reverse Current and Voltage and other Questions 0

    64 views
    1 reply
    Latest 3 days ago
    by Alicia Hao
  • Suggested Answer

    TPS62826: as an inverter converter, is it possible? 0

    41 views
    3 replies
    Latest 3 days ago
    by Andreas Mueller
  • Not Answered

    TPS6286A10EVM-050: TPS6286A10EVM-050 with incorrect IC (our ref. S/O 425303) 0

    67 views
    7 replies
    Latest 3 days ago
    by Jingyi
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