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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

    UCC28782:About OVP latch stop 0 Locked

    248 views
    2 replies
    Latest over 4 years ago
    by TETSU
  • Not Answered

    BQ24170: Actual Charging current not meeting set charging current 0 Locked

    798 views
    14 replies
    Latest over 4 years ago
    by Ricardo
  • Answered

    TPS2052B: Do you have a equivalent schematic of termianals of EN1, EN2, OC1, OC2? 0 Locked

    318 views
    4 replies
    Latest over 4 years ago
    by Kazuya Nakai59
  • Answered

    LP5569: EN/PMW pin Function 0 Locked

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    Latest over 4 years ago
    by Monet Xu
  • Answered

    LP8732-Q1: LP8732-Q1 P/N 0 Locked

    534 views
    2 replies
    Latest over 4 years ago
    by Yang Wu
  • Suggested Answer

    TPS25924: Layout guideline in parallel using (SLVA836) 0 Locked

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    10 replies
    Latest over 4 years ago
    by Shinichi Inoue
  • Suggested Answer

    LM3464AEVAL: AC/DC converter output stage 0 Locked

    429 views
    7 replies
    Latest over 4 years ago
    by Sean Zhou
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    LM4051-N: getting a negative reference voltage form the adjustable LM4051-N 0 Locked

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    Latest over 4 years ago
    by Marcoo Z
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    272 views
    1 reply
    Latest over 4 years ago
    by Marcoo Z
  • Suggested Answer

    WEBENCH® Tools/TPS40140: TPS40140 0 Locked

    446 views
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    by Matt Schurmann
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    by Hong Huang
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    by Victor Yu
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    459 views
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  • Answered

    UCC21540-Q1: UCC21540-Q1 0 Locked

    857 views
    3 replies
    Latest over 4 years ago
    by Hossein Haghnazari
  • Suggested Answer

    UCC2808A-2: Trouble with PWM duty cycles 0 Locked

    439 views
    6 replies
    Latest over 4 years ago
    by Hong Huang
  • Answered

    TPS61378-Q1: switching between Forced PWM and Auto PFM modes 0 Locked

    1611 views
    5 replies
    Latest over 4 years ago
    by Zack Liu
  • Answered

    LM5146-Q1: Buck making ticking noise with fluctuating output voltage 0 Locked

    894 views
    1 reply
    Latest over 4 years ago
    by Timothy Hegarty
  • Answered

    LM25145: lm25145 operating temperature rising 0 Locked

    434 views
    7 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Suggested Answer

    LM25184: Could you provide LM25184EVM-DUAL 0 Locked

    209 views
    1 reply
    Latest over 4 years ago
    by Timothy Hegarty
  • Answered

    TPS25221: Does this device support reverse voltage from OUT to IN? 0 Locked

    268 views
    1 reply
    Latest over 4 years ago
    by Ansel Song
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