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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

    UCC27211: source on IN pin 0 Locked

    279 views
    1 reply
    Latest over 5 years ago
    by Mamadou Diallo
  • Suggested Answer

    WEBENCH® Tools/BQSTUDIO: BQSTUDIO: I2C Monitor function 0 Locked

    207 views
    1 reply
    Latest over 5 years ago
    by Wyatt Keller
  • Answered

    UCC27524: Higher Vcc 0 Locked

    319 views
    2 replies
    Latest over 5 years ago
    by Mamadou Diallo
  • Answered

    TPS92520-Q1: About the heat dissipation design in TPS92520-Q1 0 Locked

    804 views
    1 reply
    Latest over 5 years ago
    by fhoude
  • Answered

    UCC21520-Q1: About NC pin 0 Locked

    301 views
    1 reply
    Latest over 5 years ago
    by Mamadou Diallo
  • Not Answered

    BQ25060: VOUT is always around 4.2 independent of battery voltage 0 Locked

    151 views
    1 reply
    Latest over 5 years ago
    by Jeff F
  • Answered

    UCC27524: OUTB voltage negative spike 0 Locked

    772 views
    3 replies
    Latest over 5 years ago
    by Mamadou Diallo
  • Answered

    LM5170: connection to two LM5170 for 4 phase design 0 Locked

    545 views
    3 replies
    Latest over 5 years ago
    by Youhao Xi
  • Answered

    LP873220-Q1: request Datasheet of LP873244-Q1 0 Locked

    320 views
    1 reply
    Latest over 5 years ago
    by Chris Sterzik
  • Not Answered

    High voltage isolated DC/DC converter with 1000 Volts input and 5V to 24V output @ 300mA 0 Locked

    157 views
    1 reply
    Latest over 5 years ago
    by Sonal Singh
  • Answered

    TPS22948: load capacitance 0 Locked

    347 views
    1 reply
    Latest over 5 years ago
    by Shreyas Dmello
  • Answered

    BQ21061: Datasheet Clarifications 0 Locked

    218 views
    3 replies
    Latest over 5 years ago
    by Raheem
  • Suggested Answer

    TPS22917: Can I apply a voltage at the output of the voltage regulator when it is not enabled? 0 Locked

    194 views
    1 reply
    Latest over 5 years ago
    by Shreyas Dmello
  • Answered

    TPS27S100: Current monitor accuracy 0 Locked

    263 views
    3 replies
    Latest over 5 years ago
    by Shreyas Dmello
  • Suggested Answer

    TPS7B4250-Q1: Can this device use as usual LDO? 0 Locked

    361 views
    1 reply
    Latest over 5 years ago
    by JCHK
  • Suggested Answer

    TPS54160A: IC Cap-Off (Blow up) 0 Locked

    859 views
    1 reply
    Latest over 5 years ago
    by Andy Chen
  • Answered

    UCC21540: UCC21540 incorporated into PSpice simulation of UCC28950. Error: There are no Transient section 0 Locked

    744 views
    8 replies
    Latest over 5 years ago
    by KostaL
  • Suggested Answer

    BQ78350-R1: What is the relation between PWRM Pin and current consumption? 0 Locked

    523 views
    14 replies
    Latest over 5 years ago
    by Matt Sunna
  • Answered

    WEBENCH® Tools/LM7480-Q1: Insert Macro Error 0 Locked

    620 views
    12 replies
    Latest over 5 years ago
    by Karikalan Selvaraj
  • Answered

    TPS62746: Efficiency 0 Locked

    413 views
    4 replies
    Latest over 5 years ago
    by Febin
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