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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

    UCC21530-Q1: APPLICATION problem 0 Locked

    202 views
    4 replies
    Latest 6 months ago
    by Vaishu Suresh
  • Suggested Answer

    UCC29910A: -730_EVM +1 Locked

    105 views
    4 replies
    Latest 6 months ago
    by Kambiz Mahboubi
  • Answered

    BQ25750: Unable to find recommended FET AONS6276 0 Locked

    124 views
    1 reply
    Latest 6 months ago
    by Ethan Galloway
  • Suggested Answer

    TPSI2140-Q1: UL Certification required for the DC application 0 Locked

    157 views
    2 replies
    Latest 6 months ago
    by Hussain Alsahhaf
  • Not Answered

    BQ27542EVM: [FAQ]A question about the sampling time for current and voltage measurements in the BQ27542-G1 0 Locked

    95 views
    1 reply
    Latest 6 months ago
    by Alan Frias
  • Answered

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    388 views
    12 replies
    Latest 6 months ago
    by EricLee
  • Answered

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    86 views
    1 reply
    Latest 6 months ago
    by Alan Frias
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    80 views
    1 reply
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    125 views
    4 replies
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    by Ryan Kitto
  • Answered

    LM27403: Schematics and Layout review. 0 Locked

    161 views
    3 replies
    Latest 6 months ago
    by David_Daniels
  • Suggested Answer

    TPS7B82-Q1: Question confirmation 0 Locked

    105 views
    3 replies
    Latest 6 months ago
    by Vahnroy Hosear
  • Answered

    BQ27427: how to send "GAUGE_EN" on bqStudio-test for BQ27427 training 0 Locked

    339 views
    8 replies
    Latest 6 months ago
    by Jonny
  • Not Answered

    LM74502: Reverse polarity protection for 48V BLDC motor controller 0 Locked

    188 views
    1 reply
    Latest 6 months ago
    by Shiven Dhir
  • Not Answered

    TPS65994AE: TPS65994BH certification question 0 Locked

    135 views
    4 replies
    Latest 6 months ago
    by Tommy Lin
  • Answered

    BQ25628: BQ25628 0 Locked

    121 views
    1 reply
    Latest 6 months ago
    by Garrett Kreger
  • Suggested Answer

    LM5181-Q1: Issue with Using Encrypted LM5181-Q1 PSpice Model in LTSpice 0 Locked

    196 views
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    Latest 6 months ago
    by Manuel Alva Hernandez
  • Answered

    TPS3851: TPS3851 1.8 V version ordering numbers 0 Locked

    113 views
    1 reply
    Latest 6 months ago
    by Jesse Villanueva
  • Answered

    LM5185: Calc-Tool shows #Value-Error if transformer ratio sec-value are higher than pri-value 0 Locked

    231 views
    2 replies
    Latest 6 months ago
    by Ralf Knobloch
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