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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

    LMR51420: ICの消費電流 0 Locked

    277 views
    5 replies
    Latest over 1 year ago
    by Ridge Lahti
  • Not Answered

    BQ27Z746: How to turn on DSG MOSFETs earlier? 0 Locked

    197 views
    1 reply
    Latest over 1 year ago
    by Wyatt Keller
  • Answered

    UCC21750: About the setting value of desaturation detection voltage 0 Locked

    371 views
    1 reply
    Latest over 1 year ago
    by Pratik Adibatla
  • Suggested Answer

    BQ27Z561: BQ27Z561 and BQ25601 Driver files 0 Locked

    179 views
    1 reply
    Latest over 1 year ago
    by Jose Couso
  • Answered

    LM2593HV: LM2593HV-ADJ FB input protection 0 Locked

    432 views
    7 replies
    Latest over 1 year ago
    by Frank De Stasi
  • Suggested Answer

    LM25116: Output Rail Collapses under rated full continuous load 0 Locked

    276 views
    3 replies
    Latest over 1 year ago
    by EricLee
  • Answered

    LMR33620: Vout=Vin 0 Locked

    365 views
    8 replies
    Latest over 1 year ago
    by Daniele Cavazza
  • Suggested Answer

    UCC2808-1: TINA or WEBENCH Simulation Support 0 Locked

    310 views
    1 reply
    Latest over 1 year ago
    by JCHK
  • Not Answered

    LM5176-Q1: Webench fails to create OrCAD schematic during schematic create 0 Locked

    175 views
    1 reply
    Latest over 1 year ago
    by Umayal Ramanathan
  • Answered

    TPS659037: PMIC configuration in U-boot 0 Locked

    250 views
    5 replies
    Latest over 1 year ago
    by David Thomson
  • Not Answered

    LM51561H: POH Breakdown 0 Locked

    230 views
    1 reply
    Latest over 1 year ago
    by Moritz
  • Suggested Answer

    TPS62843: TPS62843x & TPS6280x pin compatibilities. 0 Locked

    227 views
    1 reply
    Latest over 1 year ago
    by Varun John
  • Suggested Answer

    TPS55165-Q1: Buck boost having issue output 0 Locked

    214 views
    2 replies
    Latest over 1 year ago
    by Brigitte
  • Not Answered

    TPS1211-Q1: Variable voltage supply 0 Locked

    98 views
    1 reply
    Latest over 1 year ago
    by Rakesh
  • Not Answered

    LM7480-Q1: Bulk current injection test failure at certain frequencies of 95 MHz, 100 MHz and 300 MHz 0 Locked

    391 views
    1 reply
    Latest over 1 year ago
    by Praveen GD
  • Suggested Answer

    TPS2597: TPS25970ARPW bidirectional efuse problem 0 Locked

    347 views
    3 replies
    Latest over 1 year ago
    by Kunal Goel
  • Not Answered

    PRE-DISCHARGE MOSFET MANUAL CONTROL 0 Locked

    199 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Answered

    [FAQ] BQ25756 Schematic and Layout Checklist 0 Locked

    2315 views
    1 reply
    Latest over 1 year ago
    by Ethan Galloway
  • Suggested Answer

    TPS3808: Maximum height tolerence 0 Locked

    193 views
    5 replies
    Latest over 1 year ago
    by Jesse Villanueva
  • Not Answered

    BQ27Z746: BQ27Z746 0 Locked

    644 views
    6 replies
    Latest over 1 year ago
    by Jonny
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