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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

    WEBENCH® Tools/TPS54218: Bode plot problem using webench 0 Locked

    749 views
    8 replies
    Latest over 7 years ago
    by Praveen Badiger
  • Answered

    TPS65094: RSMRSTB abnormal while operate at low temperature 0 Locked

    545 views
    3 replies
    Latest over 7 years ago
    by chentsu chung
  • Suggested Answer

    UCC28950: TMIN range 0 Locked

    1024 views
    7 replies
    Latest over 7 years ago
    by Colin Gillmor
  • Suggested Answer

    UCC27714: facing problem with high side PWM while trying to increase the DC link voltage of three phase two level inverter 0 Locked

    734 views
    1 reply
    Latest over 7 years ago
    by Don Dapkus
  • Answered

    TPS61256: Operation in the case of VIN>VOUT(5v) 0 Locked

    386 views
    2 replies
    Latest over 7 years ago
    by Helen chen
  • Answered

    TPS562209: When the inductance is too low, Vin is equal Vout 0 Locked

    712 views
    5 replies
    Latest over 7 years ago
    by Shawn Nie
  • Suggested Answer

    DC DC BUCK CONVERTER 28V TO -100V 0 Locked

    1101 views
    2 replies
    Latest over 7 years ago
    by Colin Gillmor
  • Answered

    CSD86350Q5D: About Transient thermal resistance vs Pulse Width Graph 0 Locked

    884 views
    2 replies
    Latest over 7 years ago
    by Hide
  • Suggested Answer

    TPS55330: Vin regulation with the internal loop 0 Locked

    496 views
    6 replies
    Latest over 7 years ago
    by Helen chen
  • Suggested Answer

    TPS63031: Current Consumption (Load and No Load) is more than expectation 0 Locked

    459 views
    3 replies
    Latest over 7 years ago
    by Milos
  • Suggested Answer

    TPS63060: Phase margin data of TPS63060 0 Locked

    273 views
    2 replies
    Latest over 7 years ago
    by Milos
  • Answered

    TPS63061: Vin rating compared to number of cells to be used 0 Locked

    435 views
    4 replies
    Latest over 7 years ago
    by Milos
  • Answered

    UCC28513: unused pin recommendations 0 Locked

    411 views
    1 reply
    Latest over 7 years ago
    by John Griffin1
  • Answered

    TPS65235: Trigger to OCP during start up 0 Locked

    315 views
    4 replies
    Latest over 7 years ago
    by Ben Kuo
  • Suggested Answer

    TPS40170: On circuit operation at UVLO restart 0 Locked

    319 views
    4 replies
    Latest over 7 years ago
    by Timothy Hegarty
  • Answered

    BQ40Z60: Replacement 0 Locked

    810 views
    4 replies
    Latest over 7 years ago
    by ezhao
  • Answered

    LM3481: Can I use LM3481? Vin 9-36V, Vout 19V 3A.When I use WEBENCH,Report "Design cannot be created with this device.",why? 0 Locked

    285 views
    2 replies
    Latest over 7 years ago
    by user743401
  • Answered

    TPS54528: TPS54528 build-in MOS parameter 0 Locked

    505 views
    3 replies
    Latest over 7 years ago
    by Neal Zhang
  • Suggested Answer

    BQ25895: EVM interfacing to PC USB without EV2300? Direct I2C communication using MCU? 0 Locked

    772 views
    2 replies
    Latest over 7 years ago
    by Ning T
  • Suggested Answer

    TINA/Spice/TPS25921L: TPS25921 0 Locked

    1016 views
    2 replies
    Latest over 7 years ago
    by Rakesh
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