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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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  • Not Answered

    LP8869C-Q1: Schematic and Layout review 0

    37 views
    2 replies
    Latest 6 days ago
    by Suchen Dong
  • Not Answered

    TPS65150: Related to previous question on fault delay function 0

    58 views
    4 replies
    Latest 6 days ago
    by Colin Chen
  • Not Answered

    LP5816: Tolerate voltage for drive pin 0

    41 views
    1 reply
    Latest 6 days ago
    by Gui He
  • Suggested Answer

    BQ40Z50: FCC and SOC Jump during the relax period 0

    84 views
    5 replies
    Latest 6 days ago
    by Miguel Castro Gonzalez
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    BQ40Z50-R1: BQ40Z50-R1 CUVC Bit triggering 0

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    by Miguel Castro Gonzalez
  • Suggested Answer

    TL598: TL598CD Surplus Stock 0

    38 views
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    Latest 6 days ago
    by Jonathan Wong
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    TPSM63606E: TPSM63606EXTRDLR 0

    34 views
    2 replies
    Latest 7 days ago
    by jack li
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    BQ76PL455EVM-GUI-SW: Question about minimal bridge setup 0

    59 views
    3 replies
    Latest 7 days ago
    by Jeroen Wortelboer
  • Suggested Answer

    TPS51388: FB leak current 0

    70 views
    7 replies
    Latest 7 days ago
    by Hitesh Chandwani
  • Answered

    TPS6594-Q1: TPS65941515 VIO_IN/VCCA power up sequence 0

    48 views
    4 replies
    Latest 7 days ago
    by GerryL
  • Suggested Answer

    TPS22810: Measures to prevent backflow 0

    34 views
    1 reply
    Latest 7 days ago
    by Rakesh
  • Suggested Answer

    TPS2661: TPS2661x Simulation 0

    46 views
    3 replies
    Latest 7 days ago
    by Rakesh
  • Answered

    TPS62893-Q1: How to program the TPS62893 0

    36 views
    1 reply
    Latest 7 days ago
    by Chris Glaser
  • Answered

    TPS26750: 140W source-only application with BQ25756 0

    50 views
    2 replies
    Latest 7 days ago
    by Rain Haase
  • Suggested Answer

    TPS25751: GPIO Availability 0

    66 views
    5 replies
    Latest 7 days ago
    by Raymond Lin
  • Not Answered

    TPS7B63-Q1: Maximum watchdog time 0

    40 views
    3 replies
    Latest 7 days ago
    by Gregory Thompson
  • Not Answered

    TPS767D3: unexpected reset 0

    30 views
    1 reply
    Latest 7 days ago
    by Alex Davis
  • Not Answered

    LMR54406: LMR54406FDBVR 0

    28 views
    1 reply
    Latest 7 days ago
    by Joshua Austria
  • Answered

    TPS2378: Adapter Voltage up to 75V 0

    23 views
    1 reply
    Latest 7 days ago
    by Zhining Zhang
  • Answered

    BQ79616: BQ79616-Q1 0

    44 views
    1 reply
    Latest 7 days ago
    by Zachary Balov
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