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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

    TPS65132: Current Limitations on Start-up 0 Locked

    194 views
    1 reply
    Latest over 1 year ago
    by Patrick Yao
  • Not Answered

    FUSION_DIGITAL_POWER_DESIGNER: Can not download the Fusion Digital Power Studio 0 Locked

    360 views
    2 replies
    Latest over 1 year ago
    by Kailun Liu
  • Answered

    TPS61288: TPS61288RQQR: pin enable by default 0 Locked

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    5 replies
    Latest over 1 year ago
    by Fergus He
  • Answered

    LM3421-Q1: the variance of continuous conduction switching frequency 0 Locked

    314 views
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    Latest over 1 year ago
    by Xiaoguang
  • Not Answered

    TPS61022: Output voltage drops below input voltage 0 Locked

    1213 views
    26 replies
    Latest over 1 year ago
    by Nathan Ding
  • Answered

    LM76202-Q1: Over voltage protection set up higher than 38V 0 Locked

    204 views
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    Latest over 1 year ago
    by Stefan Burkiewicz
  • Answered

    TPS2H000-Q1: Information regarding 24V automotive application 0 Locked

    206 views
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    by Alex-Cosmin Anghelina
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    270 views
    7 replies
    Latest over 1 year ago
    by Mayur M Bharadwaj
  • Not Answered

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    432 views
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    Latest over 1 year ago
    by Monet Xu
  • Answered

    TPS61169: Switching is unstable 0 Locked

    266 views
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    by Patrick Yao
  • Not Answered

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    317 views
    5 replies
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    by Patrick Yao
  • Not Answered

    TPS61023: Easily burned during work 0 Locked

    146 views
    1 reply
    Latest over 1 year ago
    by Travis Wang
  • Suggested Answer

    Is there a BOOST specifically designed to suppress EMI 0 Locked

    87 views
    2 replies
    Latest over 1 year ago
    by Tao Zhang
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    Latest over 1 year ago
    by Shuai Fan
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    139 views
    1 reply
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    by Dhanyasree Prem Sankar
  • Suggested Answer

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    BQ76942: FET_INIT_OFF BIT 0 Locked

    166 views
    1 reply
    Latest over 1 year ago
    by Max Verboncoeur
  • Suggested Answer

    BQ76952: Two BQ7695202 cascade how to connect LD and PACK pin 0 Locked

    648 views
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    by Max Verboncoeur
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    TLV751: work condition confirm 0 Locked

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