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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

    TPS61200: About the function of C4 of EVM 0 Locked

    638 views
    1 reply
    Latest over 7 years ago
    by Jasper Li
  • Not Answered

    TPS25940-Q1: TPS25940AQRVC 0 Locked

    2110 views
    9 replies
    Latest over 7 years ago
    by Rakesh
  • Not Answered

    LM5175: LM5175 Circuit Vout=24V problem 0 Locked

    393 views
    2 replies
    Latest over 7 years ago
    by Terry Tseng
  • Answered

    TPS61169: Loss of the device itself 0 Locked

    580 views
    3 replies
    Latest over 7 years ago
    by Caryss Li
  • Not Answered

    TLV62585EVM-824: TLV62585 0 Locked

    252 views
    0 replies
    Started over 7 years ago
    by Ben Huang1
  • Answered

    LMG3410: preview cycle 0 Locked

    921 views
    2 replies
    Latest over 7 years ago
    by Jenny Lu69
  • Answered

    TPS65400: Could you kindly help to check the schematic of TPS65400 and give some suggestions about some issue? 0 Locked

    734 views
    6 replies
    Latest over 7 years ago
    by Xinlin Yang
  • Not Answered

    TPS3701: OVP function on VBUS of USB Type-C/PD 0 Locked

    2696 views
    2 replies
    Latest over 7 years ago
    by Tamio Yokokura
  • Answered

    TPS65217: Temp Sensor 0 Locked

    1067 views
    3 replies
    Latest over 7 years ago
    by Daniel Brown
  • Suggested Answer

    bq34z100-G1: How to tell when it's done charging 0 Locked

    349 views
    1 reply
    Latest over 7 years ago
    by Bryan Kahler
  • Suggested Answer

    TPS61088: Distribution of EN internal pull-down resistance 0 Locked

    428 views
    1 reply
    Latest over 7 years ago
    by Helen chen
  • Answered

    BQ24600: No-load fever and current consumption,with the picture of LODRV、HIDRV、PH、BTST 0 Locked

    3170 views
    14 replies
    Latest over 7 years ago
    by Comet Yes
  • Suggested Answer

    BQ27421-G1: Min/max of sense resistor 0 Locked

    434 views
    2 replies
    Latest over 7 years ago
    by Damian Lewis
  • Answered

    BQ40Z50-R2: Power Config: SLP_ACCUM (Bit 8): Enables charge accumulation while in SLEEP mode 0 Locked

    685 views
    1 reply
    Latest over 7 years ago
    by Damian Lewis
  • Answered

    TPS65262-1: External start-up 0 Locked

    740 views
    3 replies
    Latest over 7 years ago
    by Zhao Ma
  • Suggested Answer

    peripheral parts of TPS54336A 0 Locked

    257 views
    1 reply
    Latest over 7 years ago
    by Gavin Wang (Zejing)
  • Not Answered

    TPS40210: Internal LDO in overcurrent functionality 0 Locked

    401 views
    3 replies
    Latest over 7 years ago
    by takishin
  • Suggested Answer

    BQ27426: BQstudio CHG/Discharge cycle error 0 Locked

    1819 views
    9 replies
    Latest over 7 years ago
    by Damian Lewis
  • Answered

    TINA/Spice/TPS759: TPS75901KTTR Exposed Pad Potential 0 Locked

    747 views
    2 replies
    Latest over 7 years ago
    by Jason Song
  • Answered

    TPS40054: TPS40054 NRND Problem 0 Locked

    563 views
    2 replies
    Latest over 7 years ago
    by Ambreesh Tripathi
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