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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

    TPS55340-Q1: internal behavior after current limit 0 Locked

    482 views
    4 replies
    Latest over 8 years ago
    by EricLee
  • Not Answered

    TPS7A6633-Q1: Resets With ESD 0 Locked

    944 views
    2 replies
    Latest over 8 years ago
    by Carsten Koeck
  • Answered

    WEBENCH® Tools/LM5017: How to identify LM5017 work mode?burst mode or normal mode 0 Locked

    363 views
    1 reply
    Latest over 8 years ago
    by David Baba
  • Answered

    TPS62480: VSEL connection when not used 0 Locked

    426 views
    1 reply
    Latest over 8 years ago
    by Chris Glaser
  • Answered

    TPS65311-Q1: LPM Clock, SMPS Clock 0 Locked

    650 views
    4 replies
    Latest over 8 years ago
    by Krishnamurthy Hegde
  • Answered

    TPS2400: Choosing between TPS2400, TPS2490 or LM5060 or LM5069 0 Locked

    1302 views
    2 replies
    Latest over 8 years ago
    by Mihai Vintila
  • Not Answered

    BQ24075: Not Charging the battery 0 Locked

    2994 views
    5 replies
    Latest over 8 years ago
    by Kerry Song
  • Not Answered

    TPS61015: How to maximize output current from low input voltage? 0 Locked

    362 views
    2 replies
    Latest over 8 years ago
    by K S76
  • Suggested Answer

    BQ40Z60: Emergency Shutdown Current 0 Locked

    463 views
    1 reply
    Latest over 8 years ago
    by Nabil M
  • Suggested Answer

    TPS650830: TPS650830 EV Kit schematic - Logic signals/power nets question 0 Locked

    494 views
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    Latest over 8 years ago
    by anna lindt
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    TPS758: Layout Guidelines TO-263 0 Locked

    501 views
    1 reply
    Latest over 8 years ago
    by Ryan Eslinger
  • Suggested Answer

    UCC27714EVM-551: About UCC27714EVM-551 Layout File Request 0 Locked

    1004 views
    6 replies
    Latest over 8 years ago
    by Richard Herring
  • Answered

    BQ34Z100-G1: What does Suspend Low Temp and Suspend High Temp parameters do? 0 Locked

    411 views
    2 replies
    Latest over 8 years ago
    by Karlis Tucs
  • Not Answered

    UC2844A: A question about thermal parameter of UC2844A datasheet? 0 Locked

    391 views
    1 reply
    Latest over 8 years ago
    by Mike O'
  • Not Answered

    TPS3701: TPS3701 0 Locked

    774 views
    1 reply
    Latest over 8 years ago
    by Michael_DeSando
  • Suggested Answer

    Need help in selecting right Power Supply 0 Locked

    602 views
    1 reply
    Latest over 8 years ago
    by Ed Walker
  • Answered

    TPS3702-Q1: Series Resistor on Sense pin 0 Locked

    825 views
    1 reply
    Latest over 8 years ago
    by Michael_DeSando
  • Not Answered

    CCS/TPS54320: TPS54320 slope compensation parameters 0 Locked

    649 views
    3 replies
    Latest over 8 years ago
    by JohnTucker
  • Suggested Answer

    UCD9090 Power-Cycling Problem 0 Locked

    2493 views
    9 replies
    Latest over 8 years ago
    by yihe
  • Answered

    LM3478EVAL: LM3478 does not support enough load current. 0 Locked

    789 views
    3 replies
    Latest over 8 years ago
    by EricLee
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