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 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
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Not Answered

    Minimum Vin 0 Locked

    144 views
    1 reply
    Latest 7 months ago
    by Feng Ji
  • Suggested Answer

    BQ79616: asking for suggestion for BCI filter and AAF of main adc 0 Locked

    280 views
    11 replies
    Latest 7 months ago
    by Luis H. S.
  • Not Answered

    TPS23731: schematic and layout_photo check 0 Locked

    180 views
    1 reply
    Latest 7 months ago
    by Diang Xing
  • Answered

    TPS65131: Reverse Current/Reverse Polarity Protection Recommendations 0 Locked

    258 views
    4 replies
    Latest 7 months ago
    by Abigail Leonardi
  • Suggested Answer

    BQ25756EVM: Charging does not start if the load is present. 0 Locked

    198 views
    6 replies
    Latest 7 months ago
    by Ethan Galloway
  • Not Answered

    BQ25125: I²C Communication Failure with BQ25125 at VBAT Below 3.2V 0 Locked

    128 views
    3 replies
    Latest 7 months ago
    by Juan Ospina
  • Suggested Answer

    TPS7A57EVM-081: Paralleling additional devices 0 Locked

    158 views
    2 replies
    Latest 7 months ago
    by Stephen Ziel
  • Suggested Answer

    TPS650864: I2C access issue 0 Locked

    134 views
    1 reply
    Latest 7 months ago
    by Sathish Vallamkonda
  • Suggested Answer

    TPS6521905: Issue with changing the I2C Default address 0 Locked

    533 views
    16 replies
    Latest 7 months ago
    by Sathish Vallamkonda
  • Answered

    BQ40Z80EVM-020: bq40z80EVM 0 Locked

    85 views
    1 reply
    Latest 7 months ago
    by Anthony
  • Answered

    BQ4050: Comparison table between BQ76922 & BQ4050 0 Locked

    149 views
    5 replies
    Latest 7 months ago
    by Anthony
  • Answered

    BQ79731-Q1: Inquiry for design support 0 Locked

    129 views
    3 replies
    Latest 7 months ago
    by Abdelrahman Aldmour
  • Answered

    TPS4810-Q1: the driving strength 0 Locked

    103 views
    1 reply
    Latest 7 months ago
    by Sarah Raines
  • Not Answered

    TIDM-PSFB-DCDC: HV Withstand voltage test Procedure 0 Locked

    158 views
    3 replies
    Latest 7 months ago
    by Sumit Patil1
  • Suggested Answer

    TPS4811-Q1: VAUX maximum voltage for switching application 0 Locked

    115 views
    4 replies
    Latest 7 months ago
    by Sarah Raines
  • Suggested Answer

    UC3707: ESD information 0 Locked

    139 views
    5 replies
    Latest 7 months ago
    by William Moore
  • Answered

    TPS65987D: TUSB1046EVM source higher voltage 0 Locked

    311 views
    9 replies
    Latest 7 months ago
    by Chris Sterzik
  • Answered

    BQ40Z50-R2: BQ40Z50-R2 cell balancing 0 Locked

    357 views
    13 replies
    Latest 7 months ago
    by Adrian
  • Answered

    LM27403EVM: is it possible to get the Altium design files for the eval board LM27403EVM? 0 Locked

    127 views
    2 replies
    Latest 7 months ago
    by David_Daniels
  • Answered

    TPS54302: TPS54302 RoHs Documentation 0 Locked

    86 views
    1 reply
    Latest 7 months ago
    by Peter James Miller
<>