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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

    TPS2066: TPS2066 - absolute max reverse current 0

    42 views
    3 replies
    Latest 1 day ago
    by Eric Hartigan
  • Suggested Answer

    TPS23734EVM-094: TPS23734EVM-094 schematic in Altium Designer 0

    23 views
    1 reply
    Latest 1 day ago
    by Zhining Zhang
  • Suggested Answer

    BQ25751EVM: Request a BQ25751EVM Altium files 0

    68 views
    5 replies
    Latest 1 day ago
    by Christian Moyer
  • Not Answered

    BQ25750: SYS output hiccupping (rises toward 48 V then collapses to ~4 V), no charging from adapter or battery +1

    436 views
    22 replies
    Latest 1 day ago
    by Ethan Galloway
  • Not Answered

    TPS23861: Multiple Device failures 0

    40 views
    4 replies
    Latest 1 day ago
    by Anagha Jagannath
  • Answered

    TPS2H160-Q1: Output leakage current 0

    20 views
    1 reply
    Latest 1 day ago
    by Nicholas Petersilge
  • Answered

    TPS26750: VDMs and the Received SOP Identity Data Object Register 0

    37 views
    4 replies
    Latest 1 day ago
    by Eli Brantingham
  • Answered

    LM65645EVM: Design FIles 0

    45 views
    3 replies
    Latest 1 day ago
    by Jason Maxwell
  • Not Answered

    UCC12041-Q1: EMI test issue 0

    40 views
    3 replies
    Latest 1 day ago
    by Richard Herring
  • Suggested Answer

    UCC27712-Q1: UCC27712-Q1 Propagation Delay Matching 0

    44 views
    3 replies
    Latest 1 day ago
    by Richard Herring
  • Suggested Answer

    LM5110: LM5110-1SDX/NOPB Operating Temperature Request 0

    29 views
    1 reply
    Latest 1 day ago
    by Richard Herring
  • Not Answered

    TPS2491: Looking for a hot swap device to soft start an inverter 0

    19 views
    0 replies
    Started 1 day ago
    by Ian Benton
  • Not Answered

    UCC21750-Q1: nFLT pin fault conditions 0

    77 views
    5 replies
    Latest 1 day ago
    by Sasikala Thangam
  • Answered

    TPS653860-Q1: Comparator module 0

    14 views
    1 reply
    Latest 1 day ago
    by Erick Leal
  • Answered

    TPS26750: Questions Regarding TPS26750 EEPROM Configuration and MCU Usage 0

    42 views
    3 replies
    Latest 1 day ago
    by Chris Sterzik
  • Suggested Answer

    TPS281C100: IC consumes 8mA on 48V during EN off 0

    29 views
    1 reply
    Latest 1 day ago
    by Patrick Shalton
  • Suggested Answer

    TPS274160: Leakage current of the ST1 to ST4 pins 0

    47 views
    5 replies
    Latest 1 day ago
    by Patrick Shalton
  • Suggested Answer

    UC2845L-Q1: Flyback design 0

    94 views
    5 replies
    Latest 1 day ago
    by Hong Huang
  • Answered

    TPS4800-Q1: Discrepancy between Excel sheet calculator and PSPICE model (over/under voltage thresholds) 0

    37 views
    2 replies
    Latest 1 day ago
    by Vincent Nguyen
  • Suggested Answer

    TPS3430: STWD100NWWY3F Replacement 0

    33 views
    3 replies
    Latest 1 day ago
    by Jesse Villanueva
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