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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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  • Not Answered

    TPS7A7100: Reduce the voltage adjustment step size 0 Locked

    704 views
    5 replies
    Latest over 8 years ago
    by Ryan Eslinger
  • Not Answered

    TPS3613-01: TPS3613 current consumption from VBAT 0 Locked

    580 views
    2 replies
    Latest over 8 years ago
    by Ryan Eslinger
  • Not Answered

    TPS3700: Asking for the window comparator TPS3700 application 0 Locked

    777 views
    2 replies
    Latest over 8 years ago
    by Ryan Eslinger
  • Not Answered

    NOT WORKING 0 Locked

    683 views
    5 replies
    Latest over 8 years ago
    by NAMAN KHATRI
  • Not Answered

    RE: questions about TPS65381 0 Locked

    503 views
    1 reply
    Latest over 8 years ago
    by Karl Wallinger
  • Answered

    12vdc lead acid SOC monitor 0 Locked

    417 views
    2 replies
    Latest over 8 years ago
    by Jim Julian
  • Answered

    BQ25570: the pin Vstore and VBAT stay at VBAT_OK voltage and don't clamp up 0 Locked

    1037 views
    4 replies
    Latest over 8 years ago
    by Janice Escobar
  • Not Answered

    TPS62152-Q1: current driving capability 0 Locked

    429 views
    1 reply
    Latest over 8 years ago
    by Eric Hackett
  • Not Answered

    TPS65094: Unexpected UVLO behavior 0 Locked

    898 views
    7 replies
    Latest over 8 years ago
    by Kevin LaRosa
  • Not Answered

    OTG No Response About BQ24297 0 Locked

    1329 views
    1 reply
    Latest over 8 years ago
    by Joel Hernandez II
  • Not Answered

    BQ24253: BQ24253 won´t reaches maximum IN current. 0 Locked

    1162 views
    5 replies
    Latest over 8 years ago
    by Joel Hernandez II
  • Not Answered

    TPS3711: 24 V detector - is there an eval board for TPS3711? 0 Locked

    686 views
    1 reply
    Latest over 8 years ago
    by Ryan Eslinger
  • Suggested Answer

    BQ25892: BQ25892 OTG pin query 0 Locked

    1539 views
    1 reply
    Latest over 8 years ago
    by Jeff F
  • Not Answered

    TPS3852: TPS3852 Question 0 Locked

    586 views
    1 reply
    Latest over 8 years ago
    by Mark Sellers
  • Suggested Answer

    150W isolated 200VDC DC 2 DC power supply 0 Locked

    552 views
    1 reply
    Latest over 8 years ago
    by Kening Gao
  • Suggested Answer

    Li-Ion(400mAh) output volt (3.7V to 4.2V) to 12V boost conveter 0 Locked

    1404 views
    3 replies
    Latest over 8 years ago
    by Anthony Thet
  • Answered

    TPS62130: The SW terminal abnormal output of TPS62130 0 Locked

    568 views
    3 replies
    Latest over 8 years ago
    by Lubomir
  • Not Answered

    TPS61089: VQFN Package 0 Locked

    606 views
    3 replies
    Latest over 8 years ago
    by Helen chen
  • Answered

    TPS62097: power Inductor 0 Locked

    355 views
    1 reply
    Latest over 8 years ago
    by Lubomir
  • Not Answered

    BQ24172: Question on BQ24172 0 Locked

    251 views
    0 replies
    Started over 8 years ago
    by SANG RAE LEE
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