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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

    BQ24780S: turn on BATFET for charging without boost operation 0 Locked

    214 views
    3 replies
    Latest over 4 years ago
    by Jeff F
  • Suggested Answer

    BQ25504: Minimum input values? 0 Locked

    351 views
    5 replies
    Latest over 4 years ago
    by Jeff F
  • Answered

    TPS65911: TPS6591133 external syncronization 0 Locked

    328 views
    4 replies
    Latest over 4 years ago
    by Maxim Galkin41
  • Answered

    BQ25611D: Drop-in Replacement for BQ25601D 0 Locked

    330 views
    4 replies
    Latest over 4 years ago
    by Jeff F
  • Answered

    BQ25606: BQ25606 Pin 11 TS must to connect to REGN? 0 Locked

    289 views
    5 replies
    Latest over 4 years ago
    by Jeff F
  • Answered

    BQ2057W: BQ2057WSN broken 0 Locked

    445 views
    2 replies
    Latest over 4 years ago
    by Matteo Colombo
  • Answered

    LM36922H: Please recommend LED driver for E-link display backlight. 0 Locked

    503 views
    5 replies
    Latest over 4 years ago
    by YY Kim
  • Answered

    POWERSTAGE-DESIGNER: display issue 0 Locked

    687 views
    6 replies
    Latest over 4 years ago
    by BO
  • Answered

    TPS650861: How to convert OTP data to .hex 0 Locked

    424 views
    2 replies
    Latest over 4 years ago
    by Dice-K
  • Suggested Answer

    TPS61081: TPS61081 Led Driver PWM problem 0 Locked

    670 views
    3 replies
    Latest over 4 years ago
    by Helen chen
  • Answered

    Power muxes part recommendation request. 0 Locked

    198 views
    5 replies
    Latest over 4 years ago
    by Rakesh
  • Answered

    TPS55160-Q1: Isd current at Tj=80c, 150c 0 Locked

    239 views
    1 reply
    Latest over 4 years ago
    by Helen chen
  • Answered

    TPS61022: Is the TPS61022 suitable for the following specifications? 0 Locked

    366 views
    1 reply
    Latest over 4 years ago
    by Helen chen
  • Answered

    TPS562231: Power Management EMI/ EMC Check 0 Locked

    621 views
    14 replies
    Latest over 4 years ago
    by Edwin Zang
  • Answered

    WEBENCH® Tools/TPS61170: TPS61170 0 Locked

    409 views
    10 replies
    Latest over 4 years ago
    by Helen chen
  • Answered

    TPS23753AEVM-001: connect TPS23753AEVM-001 to GS305P, but it doesn't work. 0 Locked

    321 views
    3 replies
    Latest over 4 years ago
    by user4522440
  • Suggested Answer

    Wireless Power Solution Qi 0 Locked

    207 views
    3 replies
    Latest over 4 years ago
    by Bill Johns
  • Suggested Answer

    CSD95490Q5MC: Some application questions 0 Locked

    780 views
    5 replies
    Latest over 4 years ago
    by Qingquan Tang
  • Answered

    TLV61046A: Output current 0 Locked

    250 views
    1 reply
    Latest over 4 years ago
    by Minqiu Xie
  • Suggested Answer

    WEBENCH® Tools/LMR14050: Difficult to choose minimum input Voltage 0 Locked

    354 views
    7 replies
    Latest over 4 years ago
    by Iven Su
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