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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

    LM4132-Q1: Maximum output voltage when disable 0 Locked

    432 views
    3 replies
    Latest over 4 years ago
    by Ajay Padgaonkar
  • Not Answered

    LM5008: IC getting heat 0 Locked

    244 views
    3 replies
    Latest over 4 years ago
    by Andy Chen
  • Answered

    LM7480-Q1: Could it prevent load dump voltage by 20V by OCP? 0 Locked

    451 views
    4 replies
    Latest over 4 years ago
    by Praveen GD
  • Answered

    UCC12050: Galvanic Isolation 0 Locked

    334 views
    2 replies
    Latest over 4 years ago
    by Jonathan Navor
  • Answered

    BQ25120: Removing the IN voltage causes voltage regulation on SW to change from the set voltage of 1.8V to 3.5V 0 Locked

    524 views
    4 replies
    Latest over 4 years ago
    by Anthony P Pham
  • Answered

    LMR23630EVM: EVAL board Altium Design Files for LMR23630FQDRRRQ1 0 Locked

    381 views
    3 replies
    Latest over 4 years ago
    by Andy Chen
  • Answered

    LM2678: 24V to 8V/12V 5A buck down for DC motor power 0 Locked

    323 views
    3 replies
    Latest over 4 years ago
    by Andy Chen
  • Suggested Answer

    TPS2024: Output of the Switch getting Short 0 Locked

    1246 views
    10 replies
    Latest over 4 years ago
    by Ziv Zhang
  • Answered

    TPS56C215: PGND pin connection 0 Locked

    278 views
    2 replies
    Latest over 4 years ago
    by Kazuhiko Hirano
  • Answered

    TPS26600-02EVM: ALtium Design files for TPS26600RHFR 0 Locked

    425 views
    2 replies
    Latest over 4 years ago
    by Reza
  • Answered

    TPS79901-EP: Altium Design files for TPS79901QDRVRQ1 EVAL-BD 0 Locked

    322 views
    4 replies
    Latest over 4 years ago
    by Reza
  • Answered

    TPS2051C: Control signal input when no VIN 0 Locked

    361 views
    3 replies
    Latest over 4 years ago
    by Ziv Zhang
  • Suggested Answer

    LM5146-Q1: Can Comp Pin Be Driven Directly? 0 Locked

    487 views
    3 replies
    Latest over 4 years ago
    by Timothy Hegarty
  • Answered

    UCD3138HSFBEVM-029: There are "no output " when test the UCC3138-EVM, according to the instruction 0 Locked

    381 views
    4 replies
    Latest over 4 years ago
    by Rock Shao
  • Answered

    TPS61023: Start Up at Pre Bias condidion 0 Locked

    304 views
    2 replies
    Latest over 4 years ago
    by Shinichi Inoue
  • Answered

    TPS92641: TIDA-080008 LED Driver Calculator Tool 0 Locked

    712 views
    1 reply
    Latest over 4 years ago
    by Sean Zhou
  • Answered

    TPS92513: Start up time 0 Locked

    211 views
    1 reply
    Latest over 4 years ago
    by Sean Zhou
  • Not Answered

    LP5036: Driver output with current (or voltage) pulses (PWM like) 0 Locked

    387 views
    3 replies
    Latest over 4 years ago
    by Monet Xu
  • Suggested Answer

    TPS92200D2EVM: Board Dimension 0 Locked

    229 views
    1 reply
    Latest over 4 years ago
    by Sean Zhou
  • Not Answered

    TPS54060EVM-590: LM5017 in split rail configuration instead of fly-buck 0 Locked

    1227 views
    13 replies
    Latest over 4 years ago
    by iAlejandro
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