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

    EM1402EVM: Cell Balancing time 0 Locked

    353 views
    4 replies
    Latest over 6 years ago
    by Taylor Vogt
  • Suggested Answer

    TPS61090: What will be the maximal output current in that connectivity ? 0 Locked

    482 views
    3 replies
    Latest over 6 years ago
    by Zack Liu
  • Suggested Answer

    BQ76PL455EVM: Query about the schematic provided for the IC 0 Locked

    665 views
    3 replies
    Latest over 6 years ago
    by Taylor Vogt
  • Answered

    TPS3701: Internal parasitic capacitance 0 Locked

    329 views
    3 replies
    Latest over 6 years ago
    by Abhinav.Sharma
  • Answered

    TPS22919: Series current limit resistor 0 Locked

    295 views
    3 replies
    Latest over 6 years ago
    by Shreyas Dmello
  • Answered

    TLV431A-Q1: stability question 0 Locked

    514 views
    4 replies
    Latest over 6 years ago
    by Abhinav.Sharma
  • Suggested Answer

    TPS3890: Rpu value and diviation of tPD(t) 0 Locked

    516 views
    3 replies
    Latest over 6 years ago
    by Abhinav.Sharma
  • Suggested Answer

    TLV62130: TLV62130 charge supercapacitors plan 0 Locked

    259 views
    1 reply
    Latest over 6 years ago
    by Chris Glaser
  • Not Answered

    LM5170-Q1: LM5170 dual-channel current is different at low temperature 0 Locked

    313 views
    3 replies
    Latest over 6 years ago
    by Garrett Roecker
  • Suggested Answer

    LM5170-Q1: LM5170 as charger 0 Locked

    320 views
    1 reply
    Latest over 6 years ago
    by Garrett Roecker
  • Not Answered

    LEDSPIMCUEVM-879: LEDSPIMCUEVM-879: DOWNLOADING GUI SOFTWARE 0 Locked

    256 views
    1 reply
    Latest over 6 years ago
    by Callie Wallace
  • Suggested Answer

    LM21212-1: additional Thermal information? 0 Locked

    464 views
    2 replies
    Latest over 6 years ago
    by JohnTucker
  • Suggested Answer

    TPS40210: TPS40210 inductance hot issue 0 Locked

    325 views
    3 replies
    Latest over 6 years ago
    by Richard Fu22
  • Suggested Answer

    BQ4050: Tida-00982 golden image 0 Locked

    1017 views
    9 replies
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    TPS546C23: four TPS546C23 in two power modules 0 Locked

    293 views
    1 reply
    Latest over 6 years ago
    by JohnTucker
  • Suggested Answer

    BQ34Z100: BQ34Z100PWR Programming Guide 0 Locked

    578 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    BQ40Z80: BQ40Z80 Firmware for 7s 0 Locked

    368 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    LM66100: RPP and RCB 0 Locked

    544 views
    1 reply
    Latest over 6 years ago
    by Aleksandras_Kaknevicius
  • Answered

    LM3409: Line Regulation 0 Locked

    515 views
    6 replies
    Latest over 6 years ago
    by Tuan Tran74
  • Answered

    TPS65381A-Q1: Any known issues with the TPS65381A chip? 0 Locked

    353 views
    5 replies
    Latest over 6 years ago
    by Gordon Varney
<>