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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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  • Not Answered

    WEBENCH® Tools/LM25118-Q1: UVLO pulled to 0.9V when first being powered up 0 Locked

    206 views
    2 replies
    Latest over 5 years ago
    by Youhao Xi
  • Not Answered

    LM34936: DITH pin setting 0 Locked

    235 views
    2 replies
    Latest over 5 years ago
    by Youhao Xi
  • Answered

    LM53635-Q1: Buck converter BODE PLOT TINA TI 0 Locked

    607 views
    4 replies
    Latest over 5 years ago
    by Ankit Gupta95
  • Suggested Answer

    BQ27426: The BQ27426 device is used at constant power consumption. 1% of use time is 6 hours. The use time of other power points is more than ten minutes. Why is this happening? 0 Locked

    285 views
    6 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Suggested Answer

    BQSTUDIO: BQSTUDIO ERROR : An error has occurred. 0 Locked

    469 views
    3 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Suggested Answer

    Please help to update the Chem ID, primary cell IDs of specific model in GASGAUGECHEM for BQ35100 0 Locked

    472 views
    3 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Answered

    BQ40Z50-R2: Drivers written in C 0 Locked

    654 views
    3 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Answered

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    286 views
    1 reply
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Suggested Answer

    TPS536C7RSLR-C05, request for device datasheet 0 Locked

    675 views
    1 reply
    Latest over 5 years ago
    by Matt Schurmann
  • Answered

    PTH04T231W: Safe to parallel outputs of several modules? 0 Locked

    383 views
    4 replies
    Latest over 5 years ago
    by N Maris
  • Suggested Answer

    TPS23751: Phy IC damaged when plug/unplug POE 0 Locked

    1004 views
    10 replies
    Latest over 5 years ago
    by Michael Pahl
  • Suggested Answer

    TPS73801: VOUT when EN=LOW 0 Locked

    801 views
    9 replies
    Latest over 5 years ago
    by Eric.Preiss
  • Suggested Answer

    BQ78Z100: Authentification 0 Locked

    204 views
    2 replies
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Answered

    TPS62088: 3D model for YWC0006A PowerWCSP 0 Locked

    412 views
    2 replies
    Latest over 5 years ago
    by Alfonso Furio
  • Suggested Answer

    TPS50601A-SP: Control Loop Stability / Phase margin / rising Phase at low load condition 0 Locked

    487 views
    3 replies
    Latest over 5 years ago
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  • Suggested Answer

    TPS50601-SP: Worst Case Time On/Off min Application 0 Locked

    254 views
    2 replies
    Latest over 5 years ago
    by Christian Yots
  • Suggested Answer

    TPS50601A-SP: Does TPS50601 have floating metal lid or is it grounded 0 Locked

    255 views
    1 reply
    Latest over 5 years ago
    by Christian Yots
  • Answered

    EV2400: Ev2400 plug in no response 0 Locked

    151 views
    1 reply
    Latest over 5 years ago
    by Andy Liu (BMS)
  • Answered

    TPS63030: Request the Design Review 0 Locked

    447 views
    1 reply
    Latest over 5 years ago
    by Moritz.
  • Suggested Answer

    BQ24725A: Leakage voltage from battery pack to system. 0 Locked

    1001 views
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    Latest over 5 years ago
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