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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

    TPS51362: minimum value of CSLEW 0 Locked

    505 views
    1 reply
    Latest over 8 years ago
    by Yuchang Zhang
  • Not Answered

    BQ27441-G1: Learning cycle of Bq27441 0 Locked

    682 views
    1 reply
    Latest over 8 years ago
    by answer
  • Answered

    TPS7B69: About soft start for TPS7B6933-Q1 0 Locked

    903 views
    2 replies
    Latest over 8 years ago
    by Noritomo Harukawa
  • Not Answered

    Searching for a LED Driver 0 Locked

    682 views
    1 reply
    Latest over 8 years ago
    by Summer SU
  • Answered

    TLV62090: PG transition time 0 Locked

    580 views
    1 reply
    Latest over 8 years ago
    by Chris Glaser
  • Answered

    TPS2379: Whether it can be used IEEE802.3bt 0 Locked

    756 views
    2 replies
    Latest over 8 years ago
    by Shinichi Inoue
  • Not Answered

    BQ76PL455A: Daisy-Chain Issue 0 Locked

    498 views
    1 reply
    Latest over 8 years ago
    by David Wiest Jr
  • Not Answered

    EM1402EVM: Isolated 12V Power Supply For Active Balancing 0 Locked

    672 views
    1 reply
    Latest over 8 years ago
    by David Wiest Jr
  • Not Answered

    bq35100: How to get the chemID of LiSOCl2 primary cell and optimized the R table 0 Locked

    530 views
    1 reply
    Latest over 8 years ago
    by Salman Khalid9
  • Not Answered

    BQ34110: looking for multi-cell fuel gauge with ability of monitor each cell separately 0 Locked

    538 views
    1 reply
    Latest over 8 years ago
    by Shai Berman
  • Not Answered

    EV2400 0 Locked

    856 views
    1 reply
    Latest over 8 years ago
    by Sean Giuricin
  • Not Answered

    WEBENCH® Tools/TPS56C215: Could't export TINA-nodel from webench 0 Locked

    700 views
    2 replies
    Latest over 8 years ago
    by Vincent Zhang(BSR)
  • Answered

    TPS63700: about IC loss 0 Locked

    918 views
    3 replies
    Latest over 8 years ago
    by Chris Glaser
  • Not Answered

    BQ34Z100-G1: Learning Cycle OCV measurement 0 Locked

    526 views
    0 replies
    Started over 8 years ago
    by Akshay Bhagat
  • Suggested Answer

    TINA/Spice/BQ76PL455A-Q1: BQ76PL455A-Q1 0 Locked

    671 views
    1 reply
    Latest over 8 years ago
    by David Wiest Jr
  • Answered

    TPS53219a: Spike on TPS53219A+CSD87330Q3D output at the first application of power 0 Locked

    1145 views
    3 replies
    Latest over 8 years ago
    by Mathew Jacob1
  • Answered

    BQ24296: Input Current Limit Value Changing 0 Locked

    1420 views
    7 replies
    Latest over 8 years ago
    by Joel Hernandez II
  • Answered

    TPS65721: Unusual current draw after dead battery 0 Locked

    2754 views
    10 replies
    Latest over 8 years ago
    by Christopher Payne
  • Answered

    LM22677: Overt-temperature description 0 Locked

    574 views
    1 reply
    Latest over 8 years ago
    by Brani Dubocanin
  • Suggested Answer

    TPS63060: Current Consumption Peaks at very light loads in PFM mode 0 Locked

    2197 views
    2 replies
    Latest over 8 years ago
    by W_Magnin
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