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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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  • Answered

    BQ25756: Charger chip selection for boost only mode 0

    44 views
    1 reply
    Latest 17 days ago
    by Michael Bradbourne
  • Answered

    TPS65381A-Q1: Regarding FMEDA 0

    34 views
    1 reply
    Latest 17 days ago
    by Katie Pier
  • Suggested Answer

    LM25180: Request for Flyback Schematic Review (LM5185) 0

    29 views
    1 reply
    Latest 17 days ago
    by Shinu.V.Mathew
  • Suggested Answer

    TLV62569A: Switching frequency 0

    43 views
    1 reply
    Latest 17 days ago
    by Andreas Mueller
  • Answered

    TPSM82902: OCT FPGA in DDR2 0

    61 views
    6 replies
    Latest 17 days ago
    by Rupayan Saha
  • Suggested Answer

    TPS61287EVM: TPS61287EVM: 0

    37 views
    3 replies
    Latest 17 days ago
    by Nathan Ding
  • Answered

    BQ79758-Q1: Not Able to Properly Read the BQ79718-Q1 Registers 0

    44 views
    2 replies
    Latest 17 days ago
    by pankaj kumar2
  • Suggested Answer

    TPS62869: Design review 0

    38 views
    1 reply
    Latest 17 days ago
    by Andreas Mueller
  • Suggested Answer

    TPS62867: What happens when 2.2uH inductor is used instead of 0.22uH?! 0

    69 views
    3 replies
    Latest 17 days ago
    by Andreas Mueller
  • Answered

    TPS61046: Life time expectation and replacement for TPS61046 0

    52 views
    3 replies
    Latest 17 days ago
    by Shipeng Cheng
  • Not Answered

    UCC256404: The output voltage exceeds the set voltage +1

    157 views
    11 replies
    Latest 17 days ago
    by Sougata Nayak
  • Suggested Answer

    LM74930-Q1: LM74930 - Unexpected Output Voltage Above ~43 V 0

    141 views
    7 replies
    Latest 17 days ago
    by Shiven Dhir
  • Suggested Answer

    LM74720-Q1: 48V system battery input protection suggestion required 0

    63 views
    3 replies
    Latest 17 days ago
    by Shiven Dhir
  • Answered

    LM26001: Vehicle Cluster Low Power Mode – Over-Voltage Reset Issue & Request for No-Load Stabilization Solution 0

    191 views
    13 replies
    Latest 17 days ago
    by Krishnaswaroop K S
  • Answered

    TPS552892: [Delhi] [Winston] Schematic review 0

    130 views
    12 replies
    Latest 17 days ago
    by William Kao
  • Not Answered

    TPS22976: SCH & Layout review 0

    28 views
    1 reply
    Latest 17 days ago
    by Amrit Jit
  • Suggested Answer

    TPS1663: Recommended eFuse supporting 240W (48V/5A) 0

    22 views
    1 reply
    Latest 17 days ago
    by Amrit Jit
  • Suggested Answer

    TPS1685: TPS1685 application 0

    42 views
    1 reply
    Latest 17 days ago
    by Amrit Jit
  • Answered

    TPSM33615: VCC Pin Under 3V 0

    62 views
    6 replies
    Latest 17 days ago
    by Pramanik Patel
  • Suggested Answer

    TPSF12C3-Q1: LTSpice model for IC TPSF12C3-Q1 0

    35 views
    2 replies
    Latest 18 days ago
    by Naresh Adepu
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