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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

    TPS6223x - 1.6V? 0 Locked

    203 views
    1 reply
    Latest over 14 years ago
    by Matthew Day
  • Answered

    Minor error in example calculation in datasheet for TPS63700? 0 Locked

    323 views
    2 replies
    Latest over 14 years ago
    by Soren Steen Christensen
  • Suggested Answer

    Question about USB transceiver on TPS65930 0 Locked

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    Latest over 14 years ago
    by Luan Le
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    TPS40200-HT what FET to use? 0 Locked

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    Latest over 14 years ago
    by Traian Mitrache
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    bq2423x timer 0 Locked

    420 views
    1 reply
    Latest over 14 years ago
    by Chris Glaser
  • Answered

    24V AC or DC input to regulate DC output 0 Locked

    425 views
    1 reply
    Latest over 14 years ago
    by David_Daniels
  • Answered

    TPS65070 power up/down methods and sequencing for L138 0 Locked

    448 views
    1 reply
    Latest over 14 years ago
    by ChristianHoefling
  • Not Answered

    LED Driver for Street Light Application 0 Locked

    344 views
    3 replies
    Latest over 14 years ago
    by Brigitte
  • Suggested Answer

    power down and up of the omap(3530) using the TSP65950 0 Locked

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    by bin ni
  • Answered

    Does anyone know what a UC81541 is? 0 Locked

    2372 views
    3 replies
    Latest over 14 years ago
    by Rjay
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    Charger to work with bq20Z90 0 Locked

    405 views
    4 replies
    Latest over 14 years ago
    by Sidd.m
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    [TPS65950] Resource state after a warmreset 0 Locked

    232 views
    0 replies
    Started over 14 years ago
    by Antony Lin
  • Answered

    bq27350 questions on learning cycle, RUP_DIS, Update status and the FC bit 0 Locked

    2252 views
    14 replies
    Latest over 14 years ago
    by Jenny
  • Not Answered

    [TPS65920] BSDL file 0 Locked

    397 views
    2 replies
    Latest over 14 years ago
    by Antony Lin
  • Suggested Answer

    On Board Speaker with TPS65930 0 Locked

    741 views
    8 replies
    Latest over 14 years ago
    by Gandhar Dighe
  • Suggested Answer

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    235 views
    1 reply
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    by Gandhar Dighe
  • Answered

    SOIC to DIP thru-hole adapter 0 Locked

    1034 views
    2 replies
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    by treesgonewild
  • Not Answered

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    2565 views
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    Latest over 14 years ago
    by Kye Lippmann
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    TPS65251 3V3 Capacitor clarification 0 Locked

    422 views
    1 reply
    Latest over 14 years ago
    by YongGwn Kim
  • Answered

    TLC5927 - Maximum Driving Current for a LED Driver 0 Locked

    449 views
    2 replies
    Latest over 14 years ago
    by Nicolas Prieto Angueira
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