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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 Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [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
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  • Answered

    TPS563201: Ramp up timing 0 Locked

    271 views
    1 reply
    Latest over 5 years ago
    by Ryan Hu (BSR-MV)
  • Answered

    [FAQ] TPS61022: How to avoid TPS61022 working abnormally or IC failure? 0 Locked

    2017 views
    1 reply
    Latest over 5 years ago
    by Zack Liu
  • Answered

    TPS23755: Reason for PD not startup 0 Locked

    351 views
    6 replies
    Latest over 5 years ago
    by Satoshi
  • Answered

    CSD95472Q5MC: Can you tell me the on-resistance of the built-in high-side and low-side FET? 0 Locked

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    6 replies
    Latest over 5 years ago
    by user806121
  • Suggested Answer

    LM5009A: CAn this part be used in a Flybuck design? 0 Locked

    346 views
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    Latest over 5 years ago
    by Andy Chen
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    TPS82130: TPS82130 question about different soft-start value? 0 Locked

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    by Bob Lee62837
  • Answered

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    323 views
    2 replies
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    by user5817567
  • Answered

    Recommended current and voltage source solutions 0 Locked

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    by LeonardEllis
  • Answered

    BQ40Z80: BQ40Z80 0 Locked

    300 views
    2 replies
    Latest over 5 years ago
    by Oscar Abega
  • Discussion

    flash Locked

    100 views
    0 replies
    Started over 5 years ago
    by Given Ding
  • Suggested Answer

    WEBENCH® Tools/LM5160A: LM5160ADNTT 0 Locked

    434 views
    8 replies
    Latest over 5 years ago
    by ITZIK MIZRAHI
  • Suggested Answer

    LP55231: Is it permissable to run the I/O voltage of the LP55231 at 3.6V if VDD is connected to 3.4V 0 Locked

    231 views
    1 reply
    Latest over 5 years ago
    by Hardy Wu
  • Suggested Answer

    TPS54326: TPS54326RGTR output shorted 0 Locked

    368 views
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    TPS65400: TPS65400 Status Byte Register: Bit 0 0 Locked

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    by Lishuang Zhao
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    TPS254900-Q1: TPS25840-Q1: 0 Locked

    390 views
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    by Feifei Shen
  • Suggested Answer

    TPS51206: buck version 0 Locked

    268 views
    1 reply
    Latest over 5 years ago
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  • Answered

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    by Pawel Staszewski
  • Answered

    TPS61099: maximum current can provide by TPS610994 0 Locked

    283 views
    3 replies
    Latest over 5 years ago
    by Minqiu Xie
  • Suggested Answer

    LM2576: How I will decide the value of input LC filter Value? 0 Locked

    270 views
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    Latest over 5 years ago
    by Andy Chen
  • Suggested Answer

    LM2675: Excessive noise on output of LM2675 3.3V SOIC8 package 0 Locked

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    1 reply
    Latest over 5 years ago
    by Andy Chen
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