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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

    TPS23756: Converter can't start up 0 Locked

    613 views
    5 replies
    Latest over 7 years ago
    by chentsu chung
  • Answered

    TPS560200: Description of Enable pin 0 Locked

    444 views
    2 replies
    Latest over 7 years ago
    by Shawn Nie
  • Answered

    UC2843: Buck Converter with wide input voltage range and variable output voltage 0 Locked

    1287 views
    5 replies
    Latest over 7 years ago
    by Daniel Pechgraber
  • Answered

    TPS54061: TPS54061 - Iq - how to interpret it 0 Locked

    479 views
    2 replies
    Latest over 7 years ago
    by Sunset
  • Answered

    TPS65381EVM: How to reach DIAGNOSTIC state after being in ACTIVE state without generating any kind of error? 0 Locked

    800 views
    4 replies
    Latest over 7 years ago
    by Ivan Kozlov47
  • Suggested Answer

    TPS5405: Is it possible to enable and disable the device using any of the pins? 0 Locked

    369 views
    1 reply
    Latest over 7 years ago
    by Jason Wang (BSR-MV)
  • Suggested Answer

    TPS61230A: Min/Max voltage of SW 0 Locked

    1038 views
    10 replies
    Latest over 7 years ago
    by Zack Liu
  • Answered

    TPS63020: About dynamically output voltage solution 0 Locked

    970 views
    2 replies
    Latest over 7 years ago
    by Milos
  • Suggested Answer

    High power and High frequency Mosfet and H Bridge 0 Locked

    4710 views
    10 replies
    Latest over 7 years ago
    by Ennio Aloisini
  • Answered

    BATTERY KILL SWITCH 0 Locked

    987 views
    5 replies
    Latest over 7 years ago
    by R_K
  • Suggested Answer

    BQ25895M: Battery voltage read is 0 when not charging even though the battery is not depleted yet. 0 Locked

    1880 views
    8 replies
    Latest over 7 years ago
    by Ning T
  • Suggested Answer

    BQ25892: Question regarding I2C 0 Locked

    909 views
    5 replies
    Latest over 7 years ago
    by Ning T
  • Suggested Answer

    TPS62740: TPS62740 in an Inverting Buck-Boost Topology 0 Locked

    814 views
    6 replies
    Latest over 7 years ago
    by Chris Glaser
  • Suggested Answer

    BQ24050: Need external host to generate signal to trigger the ISET2 to switch to a different charging current? 0 Locked

    535 views
    1 reply
    Latest over 7 years ago
    by Bill Johns
  • Suggested Answer

    TPS561201: Input capacitor for power backup 0 Locked

    340 views
    5 replies
    Latest over 7 years ago
    by Shawn Nie
  • Not Answered

    LP5024: Availabilty 0 Locked

    432 views
    5 replies
    Latest over 7 years ago
    by Summer SU
  • Answered

    DCP021212: what's the meaning of continuous working voltage across isolation barrier Dc = 60VDC? 0 Locked

    1184 views
    4 replies
    Latest over 7 years ago
    by Robin Liu
  • Answered

    TPS65132: Need ZIF socket for QFN 0 Locked

    628 views
    2 replies
    Latest over 7 years ago
    by Liaqat Khan
  • Answered

    LMR14030-Q1: External spread spectrum clock 0 Locked

    407 views
    1 reply
    Latest over 7 years ago
    by Andy Chen
  • Suggested Answer

    TPS61088: Using TPS60188 as a 12v boost for Electric lock door. 0 Locked

    719 views
    1 reply
    Latest over 7 years ago
    by Helen chen
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