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
  • Suggested Answer

    TPS6287B20: need help provide AD PCB footprint and symbol 0

    7 views
    1 reply
    Latest 3 hours ago
    by Chris Glaser
  • Not Answered

    UCC12041-Q1: EMI test issue 0

    16 views
    1 reply
    Latest 3 hours ago
    by Manuel Alva Hernandez
  • Suggested Answer

    TPS65988DJ: Switching From Sink to Source 0

    99 views
    10 replies
    Latest 3 hours ago
    by Max McGee
  • Suggested Answer

    TPS25751: MCU does not see VBUS when VIN_3V3 supplies power to an uninitialized TPS25751 before USB cable from PC is connected 0

    78 views
    7 replies
    Latest 3 hours ago
    by Raymond Lin
  • Not Answered

    BQ40Z50-R2: BQ40Z50-R2 wrong capacity measured with calibrated gauge 0

    9 views
    1 reply
    Latest 3 hours ago
    by Alan Frias
  • Not Answered

    BQ4050: Inquiry about the pull-up details of the pins on BQ4050-DISP. 0

    15 views
    1 reply
    Latest 3 hours ago
    by Alan Frias
  • Not Answered

    BQ40Z50-R1: BQ40Z50-R1 CUVC Bit triggering 0

    10 views
    1 reply
    Latest 3 hours ago
    by Alan Frias
  • Not Answered

    BQ40Z50-R2: Issue with Golden file transfer process 0

    9 views
    1 reply
    Latest 3 hours ago
    by Alan Frias
  • Suggested Answer

    TPS53688: TPS53688 0

    12 views
    1 reply
    Latest 3 hours ago
    by Maha Noor
  • Answered

    TPS25751: Control the PP_HV switch from I2C 0

    33 views
    3 replies
    Latest 3 hours ago
    by Raymond Lin
  • Not Answered

    TPS2490: TPS2490 gate control oscillates 0

    4 views
    0 replies
    Started 3 hours ago
    by Stanislav Dittmar
  • Suggested Answer

    BQ25616: undesirable Output voltage at battery terminal and output pins 0

    26 views
    3 replies
    Latest 3 hours ago
    by Michael Emanuel35
  • Not Answered

    BQ25750: recommendation for a LiFePO4 charger 0

    63 views
    5 replies
    Latest 3 hours ago
    by Ignacio Majcherczyk
  • Not Answered

    TPS61220: Requesting help with debugging unexpected behaviour 0

    29 views
    2 replies
    Latest 3 hours ago
    by Michiel van Beers
  • Suggested Answer

    TPS65224-Q1: TPS6522430RAHRQ1 PMIC Pre-Programmed for AM62P? 0

    19 views
    1 reply
    Latest 4 hours ago
    by Niko Alatalo
  • Not Answered

    BQ40Z80EVM-020: BQ Studio Stable and Beta do not show information of registers when hover over with mouse 0

    21 views
    1 reply
    Latest 4 hours ago
    by Alan Frias
  • Suggested Answer

    UCC21550-Q1: is it ok to leave the NC pin floating? 0

    22 views
    1 reply
    Latest 4 hours ago
    by Will Appelt
  • Answered

    TPS2660: Surge Current Cause to Restart 0

    186 views
    16 replies
    Latest 4 hours ago
    by Francis Jiang
  • Not Answered

    TLV62585: Noise due to feedforward capacitor value connected in FB pin 0

    41 views
    3 replies
    Latest 4 hours ago
    by Muhammad Zakir Baig
  • Not Answered

    TPS56C215: I2C control Vout solution 0

    32 views
    2 replies
    Latest 4 hours ago
    by Brian Chan
<>