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
  • Suggested Answer

    BQ35100: Time Resolution and accuracy 0 Locked

    237 views
    2 replies
    Latest over 4 years ago
    by Art Mecina
  • Answered

    BQ25120A: BQ25120A Datasheet's Electrical Characteristics list a "VIN(BAT_DELTA)" parameter and related 128 us pulses on PG, but this behavior is not observed in the hardware. Is this a mistake in the datasheet? 0 Locked

    483 views
    6 replies
    Latest over 4 years ago
    by Ray Kampmeier34
  • Suggested Answer

    BQ76952: Can i use 1 nos of BQ76952 & 1 nos of BQ76942 for a 26S BMS ? 0 Locked

    345 views
    1 reply
    Latest over 4 years ago
    by WM5295
  • Answered

    BQ33100: automotive version 0 Locked

    234 views
    1 reply
    Latest over 4 years ago
    by Rushi_Dalal
  • Suggested Answer

    BQ40Z50-R2: Can a BQ40Z50 or BQ40Z50-R1 firmwares be upgraded to get an equivalent to the BQ40Z50-R2? 0 Locked

    339 views
    1 reply
    Latest over 4 years ago
    by Rushi_Dalal
  • Suggested Answer

    LM5180: shared total output power 0 Locked

    241 views
    1 reply
    Latest over 4 years ago
    by iAlejandro
  • Answered

    TPS54620: change Vout dynamically between Vout min and Vout max: use Tracking vs FB ? 0 Locked

    318 views
    1 reply
    Latest over 4 years ago
    by Anthony F
  • Suggested Answer

    TPS549B22: NC pins 0 Locked

    293 views
    1 reply
    Latest over 4 years ago
    by Kris F
  • Suggested Answer

    LM5026: Load issue for LM5026 0 Locked

    335 views
    1 reply
    Latest over 4 years ago
    by Steven Mappus1
  • Suggested Answer

    PROCESSOR-SDK-DRA8X-TDA4X: TDA4 CSI interface level selection 0 Locked

    359 views
    1 reply
    Latest over 4 years ago
    by Shiou Mei Huang
  • Not Answered

    TPS65381A-Q1: Using device as standalone multi-rail supply without SPI 0 Locked

    182 views
    1 reply
    Latest over 4 years ago
    by Layne J
  • Suggested Answer

    TPS54A20: ennable mgt 0 Locked

    317 views
    1 reply
    Latest over 4 years ago
    by Anthony F
  • Suggested Answer

    TPS650861: 4.5Vin PMIC for LS1043A 0 Locked

    276 views
    1 reply
    Latest over 4 years ago
    by Layne J
  • Suggested Answer

    BQ27510-G3: Board Calibration 0 Locked

    372 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    BQ40Z80: Soft Start Application 0 Locked

    247 views
    1 reply
    Latest over 4 years ago
    by Wyatt Keller
  • Answered

    TPSM265R1: Soldering Question 0 Locked

    310 views
    1 reply
    Latest over 4 years ago
    by iAlejandro
  • Suggested Answer

    Ripple current selection of the inductor in the buck converter 0 Locked

    2249 views
    3 replies
    Latest over 4 years ago
    by Amod Vaze
  • Suggested Answer

    Parallelable DCDC boost converters 0 Locked

    391 views
    1 reply
    Latest over 4 years ago
    by Matt Schurmann
  • Not Answered

    TPS54020: Schematic review 0 Locked

    231 views
    1 reply
    Latest over 4 years ago
    by Anthony F
  • Answered

    TPS82130: Overvoltage Protection 0 Locked

    500 views
    5 replies
    Latest over 4 years ago
    by Anthony F
<>