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

    BQ25101: CHG behavior 0 Locked

    329 views
    1 reply
    Latest over 6 years ago
    by Paul Yeh
  • Answered

    BQ25100: Input leakage current 0 Locked

    289 views
    1 reply
    Latest over 6 years ago
    by Paul Yeh
  • Suggested Answer

    UCC2897A: UCC2897A vs UCC28780 0 Locked

    255 views
    2 replies
    Latest over 6 years ago
    by John Griffin1
  • Answered

    TPS61165: URGENT issue: entering Easyscale instead of PWM mode 0 Locked

    536 views
    2 replies
    Latest over 6 years ago
    by Sean Zhou
  • Not Answered

    LM5170EVM-BIDIR: Board wont work with LV-Port I/p as 48V in Boost mode 0 Locked

    685 views
    2 replies
    Latest over 6 years ago
    by Vijay Gohil12
  • Answered

    UCC256301: Questions about blue stone HV pin 0 Locked

    957 views
    6 replies
    Latest over 6 years ago
    by Shubiao Wang
  • Suggested Answer

    TPS562201: Overcurrent protection is failing 0 Locked

    1389 views
    6 replies
    Latest over 6 years ago
    by Shawn Nie
  • Answered

    TPS65381A-Q1: WD_RST_EN in SAFETY_FUNC_CFG register 0 Locked

    423 views
    2 replies
    Latest over 6 years ago
    by Koichiro Tashiro
  • Answered

    TPS54340: VIN-EN sequence 0 Locked

    244 views
    1 reply
    Latest over 6 years ago
    by Katelyn Wiggenhorn
  • Suggested Answer

    BQ24610: Issue with the Charging for the BQ24610 0 Locked

    466 views
    5 replies
    Latest over 6 years ago
    by Joel Hernandez II
  • Answered

    BQ27220: Pulsed discharge current / Accuracy of capacity measurement 0 Locked

    401 views
    4 replies
    Latest over 6 years ago
    by Daniel Gianfreda
  • Suggested Answer

    LM74700-Q1: 100V surge voltage protection 0 Locked

    346 views
    4 replies
    Latest over 6 years ago
    by Karikalan Selvaraj
  • Answered

    TPS24700: TPS24701 Gate pin shock, after 5 times it become normal 0 Locked

    1342 views
    9 replies
    Latest over 6 years ago
    by haifeng zhao
  • Answered

    BQ77915: About BQ77915 Protect temporary Disable 0 Locked

    288 views
    2 replies
    Latest over 6 years ago
    by March Jasper
  • Answered

    TPS56428: Voltage level at VFB pin is incorrect 0 Locked

    665 views
    8 replies
    Latest over 6 years ago
    by Neal Zhang
  • Suggested Answer

    TPS55340: Parasitic capacitance and inductance of TPS55340 0 Locked

    452 views
    4 replies
    Latest over 6 years ago
    by Helen chen
  • Suggested Answer

    TPS61500: COMPENSATION CIRCUIT 0 Locked

    334 views
    4 replies
    Latest over 6 years ago
    by Kenneth Du
  • Answered

    TPS61181A: What causes a Fault Condition? 0 Locked

    535 views
    4 replies
    Latest over 6 years ago
    by Kenneth Du
  • Answered

    LP5523: I2C 1.8V compatable 0 Locked

    384 views
    1 reply
    Latest over 6 years ago
    by Kenneth Du
  • Answered

    TPS40322: How to use webench to simulate 2 phase 1 output 12Vin, 0.8Vout 50 A ? 0 Locked

    265 views
    1 reply
    Latest over 6 years ago
    by Qian Chen
<>