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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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  • Answered

    BQ76972: Balancing duty cycle for top cell is much lower than for other cells 0 Locked

    122 views
    4 replies
    Latest 1 month ago
    by Vasily Shmatalyuk
  • Answered

    TPS543320: Request for Reference Design Files 0 Locked

    56 views
    1 reply
    Latest 1 month ago
    by Gautam Iyer
  • Not Answered

    LM7480-Q1: Ideal Diode Controller won't function as expected 0 Locked

    79 views
    3 replies
    Latest 1 month ago
    by Shiven Dhir
  • Answered

    BQ24171: About RTHCOLD,RTHHOT and VT1,VT5 0 Locked

    81 views
    4 replies
    Latest 1 month ago
    by okashita.ikki
  • Answered

    LM66200: Short soft start time 0 Locked

    163 views
    5 replies
    Latest 1 month ago
    by Shiven Dhir
  • Answered

    TPS53688: VCCIO Termination - if SVID is unused 0 Locked

    63 views
    4 replies
    Latest 1 month ago
    by Moritz
  • Answered

    LM5176: Schematic review 0 Locked

    46 views
    1 reply
    Latest 1 month ago
    by Stefan Schauer
  • Answered

    RE: LM5125EVM-BST: Overvoltage Protection (VOVP) for LM5125 0 Locked

    105 views
    6 replies
    Latest 1 month ago
    by ?? ??
  • Not Answered

    LM74680EVM: Switching Logic Issues with Large Output Capacitance and Weakly Coupled Source 0 Locked

    37 views
    1 reply
    Latest 1 month ago
    by Shiven Dhir
  • Suggested Answer

    TPS22971: TPS22971 UL/CB document 0 Locked

    59 views
    1 reply
    Latest 1 month ago
    by Amrit Jit
  • Not Answered

    TPS2115A: Second LED is lighting too 0 Locked

    99 views
    3 replies
    Latest 1 month ago
    by Kunal Goel
  • Answered

    LM51772-Q1: Would like to remove Q3 and Q4 of MOSFET 0 Locked

    65 views
    1 reply
    Latest 1 month ago
    by Alicia Hao
  • Answered

    TPS25983: fast trip solutions with a short response time 0 Locked

    58 views
    3 replies
    Latest 1 month ago
    by Arush Gupta
  • Answered

    TPSM33620-Q1: I would like to know when sufficient supply of the TPSM33620S3QRDNRQ1 part will be available. 0 Locked

    69 views
    2 replies
    Latest 1 month ago
    by Sang-il Nam
  • Suggested Answer

    TPS62091: TPS62091 get damaged when battery level reached below 80%. 0 Locked

    107 views
    8 replies
    Latest 1 month ago
    by Ning T
  • Suggested Answer

    TPS543C20: Buck Regulator suggestion 0 Locked

    98 views
    7 replies
    Latest 1 month ago
    by Britton Jones
  • Answered

    LM5168: Suggestion converter 24 to -80V/1.3A without Trans 0 Locked

    73 views
    3 replies
    Latest 1 month ago
    by Daisuke Higa
  • Not Answered

    TPS25730EVM: Request for altium project for TPS25730EVM 0 Locked

    77 views
    4 replies
    Latest 1 month ago
    by Davy Baker
  • Suggested Answer

    TPS61299-Q1: How to calculate efficiency of TPS61299-Q1 0 Locked

    72 views
    2 replies
    Latest 1 month ago
    by Nini Zhong
  • Answered

    LV5144: LV5144 output cap change 0 Locked

    42 views
    1 reply
    Latest 1 month ago
    by Timothy Hegarty
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