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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 Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [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
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View FAQ threads
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  • Answered

    TPS62065: ILIM Thermal Tendency 0 Locked

    870 views
    8 replies
    Latest over 7 years ago
    by Chris Glaser
  • Suggested Answer

    TPS54202: 4x higher quiescent current compared to datasheet 0 Locked

    1422 views
    8 replies
    Latest over 7 years ago
    by Jason Wang (BSR-MV)
  • Answered

    LP8863-Q1: Loop Compensation @SEPIC 0 Locked

    658 views
    4 replies
    Latest over 7 years ago
    by Sung Ho Yoon
  • Answered

    TPS61181: What is the difference between TPS61181A and TPS61181 0 Locked

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    1 reply
    Latest over 7 years ago
    by Caryss Li
  • Suggested Answer

    BQ76940: BQ76940 0 Locked

    2249 views
    13 replies
    Latest over 7 years ago
    by WM5295
  • Not Answered

    BQ24773: BQ24773 SYSTEM VOLTAGE 0 Locked

    754 views
    5 replies
    Latest over 7 years ago
    by Qianqian
  • Answered

    BQ76930: BQ76930 0 Locked

    378 views
    1 reply
    Latest over 7 years ago
    by WM5295
  • Answered

    LMS3655: buck negative voltage preregulator 0 Locked

    722 views
    4 replies
    Latest over 7 years ago
    by douglas Sudjian
  • Suggested Answer

    BQ34110: TRM says: The system must go through a full charge and then a full discharge cycle before the correct FullChargeCapacity() (FCC) is estimated 0 Locked

    386 views
    1 reply
    Latest over 7 years ago
    by Bryan Kahler
  • Answered

    BQ24650: Ringing on switching node ('PH' node) and attempts at mitigation 0 Locked

    1680 views
    8 replies
    Latest over 7 years ago
    by Jason Hu27
  • Answered

    TLC59108: TLC59108IRGYR 0 Locked

    549 views
    3 replies
    Latest over 7 years ago
    by Kenneth Du
  • Answered

    TPS92830-Q1: UVLO voltage 0 Locked

    470 views
    1 reply
    Latest over 7 years ago
    by Shirley He
  • Answered

    TPS2492: Power Limiting Current Sense Thresholds 0 Locked

    518 views
    2 replies
    Latest over 7 years ago
    by Jessica Riley90
  • Suggested Answer

    bq27541-V200 difficulty in achieving a learning cycle 0 Locked

    1371 views
    13 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Suggested Answer

    BQ27750: The Rsoc = 0% but the Pack voltage is 3266mV,higher than cell temvoltage 0 Locked

    724 views
    7 replies
    Latest over 7 years ago
    by Onyx Ahiakwo
  • Answered

    BQ78350-R2-DEVICE-FW: bq78350-R2 Dataflash address change 0 Locked

    625 views
    2 replies
    Latest over 7 years ago
    by WM5295
  • Suggested Answer

    LM5175: Loop gain and phase problems - poor stability 0 Locked

    763 views
    2 replies
    Latest over 7 years ago
    by Carlos Acosta1
  • Answered

    BQ76PL455A-Q1: Issue triggering cell balancing via Python code 0 Locked

    460 views
    4 replies
    Latest over 7 years ago
    by Anushree Bokshe
  • Answered

    TPS74801: Is it safe to apply an external voltage to the output of a disabled regulator? 0 Locked

    523 views
    3 replies
    Latest over 7 years ago
    by Greg Skalka
  • Not Answered

    LM5066: Can multiple LM5066s get paralleled up 0 Locked

    575 views
    3 replies
    Latest over 7 years ago
    by Brian Daugherty
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