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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

    LM5050-1: How to increase the maximum transient input voltage of the LM5050-1 0 Locked

    600 views
    2 replies
    Latest over 7 years ago
    by Dilip Jain
  • Answered

    LM5050-1: number of FETs 0 Locked

    510 views
    1 reply
    Latest over 7 years ago
    by Dilip Jain
  • Suggested Answer

    TPS53353: About layout recommendation 0 Locked

    350 views
    1 reply
    Latest over 7 years ago
    by JohnTucker
  • Suggested Answer

    UCC28951-Q1: Asking for 0 Locked

    589 views
    1 reply
    Latest over 7 years ago
    by Colin Gillmor
  • Answered

    TPS65094: The choise of MOSFET 0 Locked

    840 views
    3 replies
    Latest over 7 years ago
    by chentsu chung
  • Answered

    TPS23841: TPS23841 Suitability for new designs. 0 Locked

    771 views
    5 replies
    Latest over 7 years ago
    by Thomas Lewis
  • Answered

    Does TI have Local Dimming LED Backlight drive total solution? 0 Locked

    1234 views
    5 replies
    Latest over 7 years ago
    by 人在江湖
  • Answered

    TPS563219A: Can the TPS563219A be used as a drop-in for the TPS563219 0 Locked

    467 views
    1 reply
    Latest over 7 years ago
    by Edwin Zang
  • Answered

    TL598: Synchronization of Oscillator 0 Locked

    863 views
    1 reply
    Latest over 7 years ago
    by John Griffin1
  • Answered

    TL494: Synchronization of Oscillator 0 Locked

    1775 views
    1 reply
    Latest over 7 years ago
    by John Griffin1
  • Answered

    LMR14030-Q1: Soft-start pin of LMR14030-Q1 0 Locked

    381 views
    1 reply
    Latest over 7 years ago
    by Andy Chen
  • Answered

    TPS65261-1: When input / output capacitors are connected in parallel. 0 Locked

    506 views
    3 replies
    Latest over 7 years ago
    by Zhao Ma
  • Suggested Answer

    BQ40Z50: BQ40Z50R2 Cell balancing working algorithm 0 Locked

    1498 views
    3 replies
    Latest over 7 years ago
    by Slim123
  • Answered

    TPS54340B-Q1: Regarding DCM waveform of SW node. 0 Locked

    648 views
    2 replies
    Latest over 7 years ago
    by Jagdish Karamchandani
  • Answered

    TPS768-Q1: 20 pin TSSOP Package is only qualified for Automotive 0 Locked

    516 views
    2 replies
    Latest over 7 years ago
    by NY
  • Suggested Answer

    TPS65132: whether the code will influence the correct functionality 0 Locked

    860 views
    5 replies
    Latest over 7 years ago
    by Hongjia-Wu
  • Answered

    TPS562200: This Part and its sibling @ 3A are unavailable - Looking for a Pin Compatible Replacement 0 Locked

    432 views
    2 replies
    Latest over 7 years ago
    by Edwin Zang
  • Suggested Answer

    TPS54821: Voltage dip when load is applied 0 Locked

    762 views
    3 replies
    Latest over 7 years ago
    by Edwin Zang
  • Answered

    BQ24196: Vsys power cann't stable, STAT pin LED flicking without battary 0 Locked

    2529 views
    4 replies
    Latest over 7 years ago
    by user397859
  • Answered

    TPS62136: TPS62136 0 Locked

    431 views
    2 replies
    Latest over 7 years ago
    by Tong Pan92
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