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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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  • Not Answered

    BQ40Z80: Function questions 0 Locked

    151 views
    5 replies
    Latest 7 months ago
    by Anthony
  • Not Answered

    LMG3522EVM-042: LMG342X-BB-EVM 0 Locked

    129 views
    3 replies
    Latest 7 months ago
    by Subhransu Satpathy
  • Suggested Answer

    TPS25750: TPS25750 + BQ25792 Charging with USB A devices +1 Locked

    328 views
    6 replies
    Latest 7 months ago
    by Aya Khedr
  • Suggested Answer

    BQ35100: BQ35100 EOS mode questions 0 Locked

    214 views
    3 replies
    Latest 7 months ago
    by Adrian
  • Suggested Answer

    UCC27282: UCC27282DRCR 0 Locked

    139 views
    3 replies
    Latest 7 months ago
    by Richard Herring
  • Suggested Answer

    LMR33630: LMR33630 0 Locked

    113 views
    1 reply
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    by Richard Fu22
  • Suggested Answer

    UCC27712-Q1: UCC27712 pin to pin maximum voltage 0 Locked

    150 views
    1 reply
    Latest 7 months ago
    by Richard Herring
  • Answered

    BQ24103: ID Request: Packaging Part Marking "CIA TI 83J P14J" 0 Locked

    347 views
    6 replies
    Latest 7 months ago
    by Lincoln Sewell
  • Not Answered

    BQ77915: Regarding pack output 0 Locked

    102 views
    1 reply
    Latest 7 months ago
    by Alexis_H
  • Suggested Answer

    TPS3430-Q1: Watchdog random reset 0 Locked

    296 views
    9 replies
    Latest 7 months ago
    by Sila Atalar
  • Suggested Answer

    TPS3828: TPS3828 WDI HIGH pulse V? 0 Locked

    127 views
    2 replies
    Latest 7 months ago
    by Jesse Villanueva
  • Suggested Answer

    UCC28070: Strange noise - spikes on the output waveform 0 Locked

    309 views
    14 replies
    Latest 7 months ago
    by Stephen Oberholzer
  • Answered

    TPS3762: Regarding TPS3762D02OVDDFR Usage in Attached Circuit 0 Locked

    181 views
    5 replies
    Latest 7 months ago
    by Jesse Villanueva
  • Answered

    UC1845A-EP: Requesting Thermal Resistance, Junction to Board and/or Junction to Case (bottom) 0 Locked

    177 views
    3 replies
    Latest 7 months ago
    by Terry Muy
  • Answered

    BQ25798: 2.5V on BAT output, and VBAT_OVP flag on 0 Locked

    145 views
    2 replies
    Latest 7 months ago
    by Lien Tori
  • Answered

    TLV767: Current Boost Circuit 0 Locked

    125 views
    2 replies
    Latest 7 months ago
    by Stephen Ziel
  • Not Answered

    LP38690: X-ray and Automatic washing standards for LP38690DT-3.3/NOPB 0 Locked

    123 views
    3 replies
    Latest 7 months ago
    by Su Zhang
  • Suggested Answer

    BQ76952: Alert Pin goes high randomly and disturbs our application processes 0 Locked

    344 views
    11 replies
    Latest 7 months ago
    by Alexis_H
  • Suggested Answer

    BQ76907: How to calculate current offset for bq76907 0 Locked

    290 views
    3 replies
    Latest 7 months ago
    by Max Verboncoeur
  • Not Answered

    TPS7H1101A-SP: which is the flight heritage of this device? 0 Locked

    116 views
    1 reply
    Latest 7 months ago
    by Sarah Koch
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