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
  • Answered

    TPS65131: -Unstable output voltages 0 Locked

    1376 views
    4 replies
    Latest over 5 years ago
    by Anto Jacob Jacob
  • Not Answered

    TPS2121: Fast Switchover when one supply is removed 0 Locked

    324 views
    5 replies
    Latest over 5 years ago
    by Andy Robles
  • Suggested Answer

    LM5069: Does the MOSFET gets switched off during surge event? 0 Locked

    605 views
    11 replies
    Latest over 5 years ago
    by Rakesh
  • Not Answered

    TPS2493: thresholds for MOS activation 0 Locked

    490 views
    5 replies
    Latest over 5 years ago
    by Rakesh
  • Answered

    UCC28950: PSFB 0 Locked

    214 views
    2 replies
    Latest over 5 years ago
    by A.S.Bhushan
  • Suggested Answer

    BQ25890H: Can BQ25890H be used stand-alone for charging without not connected to USB BUS OR HOST? 0 Locked

    288 views
    2 replies
    Latest over 5 years ago
    by ezhao
  • Suggested Answer

    UCC28251: Availability of un-encrypted transient model for the UCC28251 controller 0 Locked

    410 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
  • Not Answered

    LM3481: Variation of Vuvlo & Iuvlo parameters w.r.t temperature 0 Locked

    273 views
    7 replies
    Latest over 5 years ago
    by Yinsong Cai1
  • Suggested Answer

    UCC2895: UCC2895 PWM opening time & SS time 0 Locked

    824 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
  • Suggested Answer

    LMZM33603: output capacitance 0 Locked

    231 views
    1 reply
    Latest over 5 years ago
    by Jimmy Hua
  • Suggested Answer

    UCC28730: Unexpected Switching 0 Locked

    534 views
    1 reply
    Latest over 5 years ago
    by Ulrich Goerke
  • Suggested Answer

    Power solution request 0 Locked

    161 views
    1 reply
    Latest over 5 years ago
    by Youhao Xi
  • Answered

    PTH08T250W: Use TRACK pin to drive a laser diode at constant current 0 Locked

    935 views
    3 replies
    Latest over 5 years ago
    by Danilo A.
  • Answered

    BQ29209-Q1: Voltage monitor filter resistance 0 Locked

    398 views
    1 reply
    Latest over 5 years ago
    by WM5295
  • Answered

    TPS65910: VPLL open 0 Locked

    196 views
    1 reply
    Latest over 5 years ago
    by Brian Berner
  • Answered

    BQ24780S: BQ24780S:3 Questions about BQ24780S 0 Locked

    1145 views
    4 replies
    Latest over 5 years ago
    by Steve Preissig
  • Suggested Answer

    BQ25790: Choosing the Correct Balancer and Gauge 0 Locked

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

    DCR010505: Internal Cavity Determination 0 Locked

    394 views
    5 replies
    Latest over 5 years ago
    by Ibrahim Hamed
  • Answered

    BQ25606EVM-772: BQ25606EVM-772 0 Locked

    379 views
    1 reply
    Latest over 5 years ago
    by Ricardo
  • Answered

    TPS51200: Maximum Junction Temperature and Thermal Resistance Data 0 Locked

    245 views
    1 reply
    Latest over 5 years ago
    by Qian Chen
<>