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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 Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [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
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View FAQ threads
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  • Answered

    BQ34Z100-R2: how to convert golden image DF file from FW2.01 ->2.02 0 Locked

    383 views
    6 replies
    Latest over 1 year ago
    by Tomasz Ciesla
  • Answered

    TPS55340: 1kW Boost Converter 0 Locked

    729 views
    3 replies
    Latest over 1 year ago
    by Stefan Schauer
  • Answered

    LP5812: DSBGA 0 Locked

    205 views
    2 replies
    Latest over 1 year ago
    by Jhon Henry Gonzales
  • Answered

    TPS25750: Loading Patch Bundle 0 Locked

    351 views
    3 replies
    Latest over 1 year ago
    by Kevin Kosta
  • Answered

    BQ27545-G1: DF, unit of each value of Configuration:Lifetime Resolution 0 Locked

    173 views
    2 replies
    Latest over 1 year ago
    by Hitoshi Okuma
  • Answered

    TPSM5D1806: soft-start time variation 0 Locked

    195 views
    2 replies
    Latest over 1 year ago
    by Akihisa Tamazaki
  • Suggested Answer

    BQ25723: Problem with setup the cahrging current , not churging in boost mode. 0 Locked

    236 views
    1 reply
    Latest over 1 year ago
    by Tiger Zhou
  • Not Answered

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    185 views
    2 replies
    Latest over 1 year ago
    by Hannah Grace
  • Suggested Answer

    TPS25750: TPS25750 - setting current limiter and Rp value in configuration 0 Locked

    507 views
    17 replies
    Latest over 1 year ago
    by Aya Khedr
  • Not Answered

    TPS65381-Q1: PMIC query 0 Locked

    264 views
    1 reply
    Latest over 1 year ago
    by Michael Hernandez
  • Answered

    BQ25611D: Output power and power source select 0 Locked

    168 views
    3 replies
    Latest over 1 year ago
    by Michael Emanuel35
  • Answered

    LMG3616: About Coss vs voltage curve 0 Locked

    231 views
    2 replies
    Latest over 1 year ago
    by John Gomez
  • Not Answered

    BQ34Z100EVM: Relax, Discharge, relax data logging 0 Locked

    234 views
    3 replies
    Latest over 1 year ago
    by Diego
  • Suggested Answer

    BQ34110: BQ34110 - Gauge Configuration 0 Locked

    398 views
    1 reply
    Latest over 1 year ago
    by Diego
  • Not Answered

    TPS65987D: Power Delivery Test TD4.1.2 fails 0 Locked

    561 views
    8 replies
    Latest over 1 year ago
    by Christodulos Tsongas
  • Suggested Answer

    LM5143: Output divider resistor values? 0 Locked

    150 views
    1 reply
    Latest over 1 year ago
    by Timothy Hegarty
  • Not Answered

    TIDA-010239: TIDA-010239 0 Locked

    198 views
    2 replies
    Latest over 1 year ago
    by Venkatesh B
  • Answered

    BQ25896: Problem using BATFET_DIS to enter Shipping mode 0 Locked

    287 views
    5 replies
    Latest over 1 year ago
    by Patrick Dight
  • Suggested Answer

    LM9036Q-Q1: ESR requirement with 200 Ohms in-line 0 Locked

    238 views
    5 replies
    Latest over 1 year ago
    by Kelsey Farr
  • Suggested Answer

    TPSI3050: TPSI3050 Pspice Simulation 0 Locked

    329 views
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    Latest over 1 year ago
    by Tilden Chen
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