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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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    UCC25630-1EVM-291: changed IC to UCC256304 work with UCC28056EVM-296 0 Locked

    1165 views
    8 replies
    Latest over 7 years ago
    by Benjamin Lough
  • Answered

    BQ25504: Setting question of VSTOR 0 Locked

    551 views
    3 replies
    Latest over 7 years ago
    by Jeff F
  • Answered

    TPS65381A-Q1: Internal Pull-up power supply for NRES & ENDRV 0 Locked

    379 views
    1 reply
    Latest over 7 years ago
    by Scott Monroe
  • Answered

    BQ40Z80: Product's schedule 0 Locked

    256 views
    1 reply
    Latest over 7 years ago
    by David Hien
  • Suggested Answer

    TPS40200: correct typical value of tMIN ? 0 Locked

    428 views
    1 reply
    Latest over 7 years ago
    by Arief Hernadi
  • Suggested Answer

    TPS51200: Vout still has 40mV after OCP and SCP 0 Locked

    290 views
    3 replies
    Latest over 7 years ago
    by Qian Chen
  • Not Answered

    Dual Output PWM Controller. 0 Locked

    471 views
    4 replies
    Latest over 7 years ago
    by John Griffin1
  • Answered

    TPS27S100: Are there any ways to distinguish /FLT signals between short detection and open load detection? 0 Locked

    564 views
    4 replies
    Latest over 7 years ago
    by Noriyuki Takahashi
  • Answered

    TPS80032: Question about current development status 0 Locked

    476 views
    1 reply
    Latest over 7 years ago
    by Kevin LaRosa
  • Suggested Answer

    UCC256301: about AVDD 0 Locked

    334 views
    1 reply
    Latest over 7 years ago
    by Benjamin Lough
  • Suggested Answer

    LM25119: Dual phase support 0 Locked

    266 views
    2 replies
    Latest over 7 years ago
    by Qian Chen
  • Answered

    TPS62140: Delay time EN off to stop switching 0 Locked

    538 views
    3 replies
    Latest over 7 years ago
    by Chris Glaser
  • Answered

    TPS62172: TPS62172 Crossover Frequency Using Frequency Analysis 0 Locked

    339 views
    1 reply
    Latest over 7 years ago
    by Chris Glaser
  • Answered

    TPS51116: Original Device of SMPS 0 Locked

    215 views
    1 reply
    Latest over 7 years ago
    by Qian Chen
  • Answered

    TPS40425: DCR sensing change to Rds on sensing 0 Locked

    359 views
    1 reply
    Latest over 7 years ago
    by Qian Chen
  • Answered

    LP5907: Do you have any graph of typical data of Short-circuit current limit(Isc) vesus ambient temperature? 0 Locked

    451 views
    2 replies
    Latest over 7 years ago
    by Kazuya Nakai59
  • Answered

    TPS650250: Thermal pad soldering 0 Locked

    346 views
    2 replies
    Latest over 7 years ago
    by Takeshi Sasaki
  • Suggested Answer

    Heating effect on the primary side of the newly designed inverter 0 Locked

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

    TPS65311-Q1: Rising edge delay of IRQ to rising edge of PRESN 0 Locked

    439 views
    2 replies
    Latest over 7 years ago
    by Krishnamurthy Hegde
  • Answered

    UL2367 0 Locked

    2225 views
    7 replies
    Latest over 7 years ago
    by Rakesh
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