TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel
Power management

Power management

Power management forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
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
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Suggested Answer

    CCS/BQ24773: Issue with I2C communication 0 Locked

    954 views
    3 replies
    Latest over 8 years ago
    by Wang5577
  • Suggested Answer

    UCC28950: Max delay time setting on UCC28950 0 Locked

    811 views
    2 replies
    Latest over 8 years ago
    by Colin Gillmor
  • Answered

    BQ27421-G1: bq27421-G1 / FC bit is not set 0 Locked

    557 views
    1 reply
    Latest over 8 years ago
    by Nabil M
  • Not Answered

    BQ24735: charging stops above battery voltage 5.8 V 0 Locked

    1031 views
    3 replies
    Latest over 8 years ago
    by Wang5577
  • Suggested Answer

    TPS23861: does TPS23861 Support UPOE standard? 0 Locked

    659 views
    1 reply
    Latest over 8 years ago
    by Justin Smith
  • Not Answered

    UCC28051: UCC28051 CRM PFC 最大频率是如何限制的 0 Locked

    1351 views
    2 replies
    Latest over 8 years ago
    by Bosheng Sun
  • Answered

    BQ51013B: wireless charging issue 0 Locked

    2335 views
    2 replies
    Latest over 8 years ago
    by Vijay Peddinti
  • Suggested Answer

    BQ24780S: BATPRES funtion 0 Locked

    1418 views
    4 replies
    Latest over 8 years ago
    by Wang5577
  • Suggested Answer

    LMR16020: How to calculate the input capacitor of LMR16020? 0 Locked

    804 views
    2 replies
    Latest over 8 years ago
    by JohnTucker
  • Answered

    LM5576: IC failure 0 Locked

    2887 views
    5 replies
    Latest over 8 years ago
    by Alan Martin
  • Answered

    BQ25703A: bq25703A / Charging profile 0 Locked

    481 views
    1 reply
    Latest over 8 years ago
    by Wang5577
  • Answered

    BQ25101: How`s the battery affect for BQ25101 0 Locked

    1180 views
    5 replies
    Latest over 8 years ago
    by Diana Bodenmiller
  • Not Answered

    BQ76PL455A: bq76PL455A / NPN protect 0 Locked

    438 views
    1 reply
    Latest over 8 years ago
    by David Wiest Jr
  • Not Answered

    BQ21040: Bq21040 Hangs 0 Locked

    1018 views
    5 replies
    Latest over 8 years ago
    by Diana Bodenmiller
  • Suggested Answer

    BQ2002: Protection method when using non-rechargeable battery 0 Locked

    727 views
    3 replies
    Latest over 8 years ago
    by Raheem
  • Answered

    BQ25703A: bq25703A / Change SW frequency during charging 0 Locked

    405 views
    1 reply
    Latest over 8 years ago
    by Wang5577
  • Not Answered

    BQ25570: Not able to charge super cap of 0.1F to the desired voltage level. 0 Locked

    667 views
    3 replies
    Latest over 8 years ago
    by Raheem
  • Answered

    BQ24232: bq24232 / Set input current limit below 200mA by RILIM 0 Locked

    690 views
    3 replies
    Latest over 8 years ago
    by Raheem
  • Answered

    UCC28180: ICOMP Open-Pin and SOC 0 Locked

    522 views
    1 reply
    Latest over 8 years ago
    by Colin Gillmor
  • Answered

    TPS65086: Factory programmed values in TPS65086 0 Locked

    1063 views
    3 replies
    Latest over 8 years ago
    by Kevin LaRosa
<>