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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

    BQ34Z100-G1: bq34z100-G1 documentation question 0 Locked

    278 views
    2 replies
    Latest over 6 years ago
    by Doug Baker
  • Answered

    BQ34Z100-G1: bq34z100-G1 question: should RUP_DIS be clear after applying a golden image? 0 Locked

    1094 views
    3 replies
    Latest over 6 years ago
    by Doug Baker
  • Answered

    TPS92691-Q1: TPS92691-Q1 0 Locked

    255 views
    2 replies
    Latest over 6 years ago
    by ABHISHEK B
  • Suggested Answer

    TPS650860EVM-116: TPS650860EVM-116 0 Locked

    813 views
    9 replies
    Latest over 6 years ago
    by Nick Jakse49
  • Suggested Answer

    BQ2057W: Dual batteries with dual thermistors. How do we incorporate them into the one input on the device? 0 Locked

    251 views
    1 reply
    Latest over 6 years ago
    by Bill Johns
  • Suggested Answer

    TPS51622: What's the difference between TPS51622A and TPS51622? 0 Locked

    722 views
    10 replies
    Latest over 6 years ago
    by Qian Chen
  • Suggested Answer

    TPS51116: IBIS model for TPS51116/51362/54620 0 Locked

    299 views
    4 replies
    Latest over 6 years ago
    by Qian Chen
  • Suggested Answer

    UCC28910: Operating voltage range 0 Locked

    283 views
    1 reply
    Latest over 6 years ago
    by Ulrich Goerke
  • Suggested Answer

    BQ51020: problems with both wired and wireless charging 0 Locked

    361 views
    1 reply
    Latest over 6 years ago
    by Bill Johns
  • Suggested Answer

    TPS2363: 12v and 3.3v are ok, PGOODA is high 0 Locked

    469 views
    1 reply
    Latest over 6 years ago
    by Praveen GD
  • Answered

    TPS60250: Increase LED Load (in parallel) 0 Locked

    304 views
    3 replies
    Latest over 6 years ago
    by Sean Zhou
  • Answered

    BQ40Z50-R1: SHA-1 0 Locked

    1083 views
    6 replies
    Latest over 6 years ago
    by Qianqian
  • Answered

    [FAQ] LM3697: How to configure it to light up my LEDs? Any user guide and FAQs I could take as a reference? 0 Locked

    1423 views
    1 reply
    Latest over 6 years ago
    by Caryss Li
  • Answered

    BQ24296: Problems with depleted battery charging 0 Locked

    646 views
    8 replies
    Latest over 6 years ago
    by Egor Markov
  • Suggested Answer

    UCC28019: UCC28019 No load audio noise issue 0 Locked

    341 views
    1 reply
    Latest over 6 years ago
    by John Griffin1
  • Answered

    BQ4050: BQ Studio showing 55% as max charge 0 Locked

    213 views
    2 replies
    Latest over 6 years ago
    by Paulo Moreira
  • Answered

    TPS54335A: body diode at high-side FET 0 Locked

    281 views
    4 replies
    Latest over 6 years ago
    by KANJI SHIBATANI
  • Suggested Answer

    TPS65131-Q1: Overshoot on 5V when generating 10V and -10V 0 Locked

    1136 views
    4 replies
    Latest over 6 years ago
    by Clément Letonnelier
  • Suggested Answer

    TPS55340: comp review 0 Locked

    327 views
    1 reply
    Latest over 6 years ago
    by Helen chen
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    LM5025A: LM5025A is ACF(Active-Clamp-Forward) topology controller, is it possible to use in a flyback application? 0 Locked

    437 views
    1 reply
    Latest over 6 years ago
    by John Griffin1
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