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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

    TPS548A28: Switching Frequency out of datasheet specification on customer/user board 0 Locked

    137 views
    8 replies
    Latest 1 month ago
    by hu kevin
  • Answered

    UCC28180: The details of current loop and Voltage loop compensation theory and calculation 0 Locked

    140 views
    4 replies
    Latest 1 month ago
    by Damon(Shenzhen) Luo
  • Suggested Answer

    TPS55340-Q1: Can this device be used as bypass mode? 0 Locked

    53 views
    1 reply
    Latest 1 month ago
    by Feng Ji
  • Suggested Answer

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

    95 views
    2 replies
    Latest 1 month ago
    by Feng Ji
  • Answered

    BQ76952: Data Memory Export Memory (Hexdump) Report 0 Locked

    78 views
    2 replies
    Latest 1 month ago
    by Aska Tseng
  • Not Answered

    BQ76922: Standalone schematic review 0 Locked

    83 views
    1 reply
    Latest 1 month ago
    by Muki
  • Not Answered

    UCC256402: Application issues. +1 Locked

    138 views
    4 replies
    Latest 1 month ago
    by Ning Tan
  • Suggested Answer

    TPS62933O: schematic and PCB layout 0 Locked

    126 views
    5 replies
    Latest 1 month ago
    by Haseen Reddy Siripi Reddy
  • Not Answered

    BQ2970: Part for 5A discharge current limit 0 Locked

    72 views
    0 replies
    Started 1 month ago
    by Jomon
  • Answered

    BQ25756: gate driver capability for high-power designs 0 Locked

    98 views
    4 replies
    Latest 1 month ago
    by Sam Ting
  • Suggested Answer

    LMR51635: Power Dissipation 0 Locked

    55 views
    2 replies
    Latest 1 month ago
    by Onkar Bhakare
  • Answered

    LMR14203: Inverted / negative Output possible? 0 Locked

    106 views
    6 replies
    Latest 1 month ago
    by Onkar Bhakare
  • Suggested Answer

    LMR14010A: limit capability with capacitive load 0 Locked

    75 views
    4 replies
    Latest 1 month ago
    by Onkar Bhakare
  • Answered

    TPS54540: Vin will be pulled down to 4V when the load is high above 0.7A 0 Locked

    93 views
    5 replies
    Latest 1 month ago
    by Onkar Bhakare
  • Not Answered

    BQ40Z80: Gate charge capacity of Bq40z80 0 Locked

    51 views
    2 replies
    Latest 1 month ago
    by OverAgent712
  • Suggested Answer

    BQ24295: BQ24295 shipping mode auto exit issue 0 Locked

    92 views
    2 replies
    Latest 1 month ago
    by Ning T
  • Suggested Answer

    LM4040C25-EP: Is there a shunt reference with wider temp range? 0 Locked

    45 views
    1 reply
    Latest 1 month ago
    by Masoud Beheshti61
  • Suggested Answer

    LM25180: Request for Flyback Controller Recommendation for 24V Input 0 Locked

    344 views
    19 replies
    Latest 1 month ago
    by Manuel Alva Hernandez
  • Suggested Answer

    TL4051A: Expected performance changes below -40C 0 Locked

    53 views
    5 replies
    Latest 1 month ago
    by Jackson Wightman
  • Not Answered

    TPS65910: Output wrong voltage 0 Locked

    69 views
    4 replies
    Latest 1 month ago
    by Sarah Lao
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