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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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View FAQ threads
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  • Answered

    TPS62088: DCS Control has high PSRR 0 Locked

    253 views
    3 replies
    Latest over 5 years ago
    by Febin
  • Suggested Answer

    BQ25101: Schematic Review: TS Pin Connection 0 Locked

    1066 views
    1 reply
    Latest over 5 years ago
    by Bill Johns
  • Answered

    LM27313: Datasheet Error 0 Locked

    239 views
    1 reply
    Latest over 5 years ago
    by Zack Liu
  • Suggested Answer

    UCC2897A: Power is shutting down while probing the pins which are controlling the gate signals. 0 Locked

    404 views
    5 replies
    Latest over 5 years ago
    by John Griffin1
  • Suggested Answer

    BQ40Z50: Detection accuracy 0 Locked

    183 views
    1 reply
    Latest over 5 years ago
    by Steven Yao
  • Suggested Answer

    UC3842A: Output short circuit specification of VREF 0 Locked

    230 views
    1 reply
    Latest over 5 years ago
    by John Griffin1
  • Suggested Answer

    TPS55160-Q1: Why its output range is limited to 5.7V to 9V? 0 Locked

    384 views
    7 replies
    Latest over 5 years ago
    by Helen chen
  • Answered

    Access to seminar materials 0 Locked

    204 views
    1 reply
    Latest over 5 years ago
    by Francesco Giuliani
  • Answered

    WEBENCH® Tools/TPS40400: Set IOUT_OC_FAULT and IOUT_CAL_GAIN unsucessfully 0 Locked

    396 views
    5 replies
    Latest over 5 years ago
    by liwei qi
  • Answered

    TPS61099: The PSpice model of TPS61099 can not be imported by TINA sucessfully. 0 Locked

    647 views
    5 replies
    Latest over 5 years ago
    by Dawei
  • Answered

    TPS54302: Is TPS54302 suitable for DDR power supply? 0 Locked

    334 views
    2 replies
    Latest over 5 years ago
    by Yang Wu
  • Not Answered

    TPS24710: Request a Design review 0 Locked

    170 views
    1 reply
    Latest over 5 years ago
    by Rakesh
  • Answered

    TPS61291EVM-569: . 0 Locked

    342 views
    9 replies
    Latest over 5 years ago
    by Tae Rim Park
  • Answered

    TPS54360B: Output oscillation after power interruption test 0 Locked

    148 views
    3 replies
    Latest over 5 years ago
    by Daniel Li14
  • Answered

    LMR36510: Suffix F 0 Locked

    576 views
    1 reply
    Latest over 5 years ago
    by Daniel Li14
  • Answered

    LP5562: little steps on SDA waveform 0 Locked

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

    WEBENCH® Tools/TPS54260: tps 54260 in wench design can't select Vin 5V as minimium 0 Locked

    292 views
    1 reply
    Latest over 5 years ago
    by Daniel Li14
  • Suggested Answer

    LM1085: LM1085 Data Sheet Error 0 Locked

    273 views
    1 reply
    Latest over 5 years ago
    by Stephen Ziel
  • Not Answered

    4-Channel Power MUX, 16.8V max, 6A Requirement 0 Locked

    136 views
    1 reply
    Latest over 5 years ago
    by Rakesh
  • Suggested Answer

    TPS61170: Abnormal SW Frequency 0 Locked

    210 views
    3 replies
    Latest over 5 years ago
    by Helen chen
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