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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

    BQ24616: Minimum Power Requirements 0 Locked

    409 views
    7 replies
    Latest over 6 years ago
    by Paul Yeh
  • Suggested Answer

    TPS54302: Degisn verification: Design 1: 24-to-5V; Design2 2: 24-to-3.3V 0 Locked

    268 views
    5 replies
    Latest over 6 years ago
    by Shawn Nie
  • Answered

    LM53602-Q1: behavior at short of adjacent pin 0 Locked

    344 views
    2 replies
    Latest over 6 years ago
    by Jun Ishida
  • Answered

    BQ28Z610: SEC1,SEC0 read by different command 0 Locked

    275 views
    2 replies
    Latest over 6 years ago
    by Maurizio Bonelli
  • Answered

    TPS54335A: TPS54335A Question, UVLO measurement different from the calculation result. 0 Locked

    290 views
    5 replies
    Latest over 6 years ago
    by Bob Lee62837
  • Suggested Answer

    WEBENCH® Tools/LMZ31710: discrepancy Rset between WEBENCH and datasheet 0 Locked

    224 views
    1 reply
    Latest over 6 years ago
    by Jimmy Hua
  • Suggested Answer

    TPS7A33: -12V -> -5V/1A application 0 Locked

    461 views
    3 replies
    Latest over 6 years ago
    by Wilson Fwu
  • Answered

    LM22670: Short 7pin(Vin) and 8pin(SW) 0 Locked

    313 views
    1 reply
    Latest over 6 years ago
    by Ambreesh Tripathi
  • Answered

    LM5176: EN Current 0 Locked

    116 views
    1 reply
    Latest over 6 years ago
    by Garrett Roecker
  • Suggested Answer

    LMR23630-Q1: Spec for ISHDN vs. temp? 0 Locked

    291 views
    1 reply
    Latest over 6 years ago
    by Ambreesh Tripathi
  • Suggested Answer

    LM5010: When using LM5010 to do"input=52V, output=24V", the inductance makes a sound. 0 Locked

    1027 views
    1 reply
    Latest over 6 years ago
    by Ambreesh Tripathi
  • Suggested Answer

    LM2678: Wide Range Output application Unstability / Voltage drop 0 Locked

    898 views
    2 replies
    Latest over 6 years ago
    by Ambreesh Tripathi
  • Answered

    BQ76PL455EVM: Problem comes out when I try to connect my Evaluation module with my PC 0 Locked

    772 views
    13 replies
    Latest over 6 years ago
    by Roger Hwang
  • Answered

    BQ24010: PG#/STAT1/STAT2 behavior when OUT is not tied directly to BAT 0 Locked

    413 views
    4 replies
    Latest over 6 years ago
    by Bill Johns
  • Suggested Answer

    BQ24072: clarifications for the specs and working along with schematic verification 0 Locked

    919 views
    3 replies
    Latest over 6 years ago
    by Raheem
  • Suggested Answer

    LM317A: Using ceramic capacitor of LM317A 0 Locked

    356 views
    1 reply
    Latest over 6 years ago
    by Ryan Eslinger
  • Answered

    TPS3831: P2P Direct Replace 0 Locked

    357 views
    1 reply
    Latest over 6 years ago
    by Michael_DeSando
  • Answered

    BQ51051B: Operating Frequency Question 0 Locked

    252 views
    1 reply
    Latest over 6 years ago
    by Bill Johns
  • Suggested Answer

    TPS3823: TPS3823-33 & TPS3823A-33 0 Locked

    479 views
    1 reply
    Latest over 6 years ago
    by Michael_DeSando
  • Answered

    BQ25895: Can it support QC2.0 and 3.0 ? 0 Locked

    323 views
    3 replies
    Latest over 6 years ago
    by Ning T
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