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Power management

Power management

Power management forum

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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
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View FAQ threads
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  • Answered

    BQ25798: Using a USB Type-C 1.2 charger (5V@3A) without a PD controller 0 Locked

    528 views
    1 reply
    Latest over 1 year ago
    by Jibin Biju
  • Not Answered

    TLC5940: Random high intensity flicker 0 Locked

    255 views
    3 replies
    Latest over 1 year ago
    by Jared Zhou
  • Not Answered

    BQ25792: Charger status ok but doesn't charge the battery. 0 Locked

    287 views
    8 replies
    Latest over 1 year ago
    by Christopher Lim1
  • Answered

    BQ76952: Is power supply required on REG1 for SPI to work 0 Locked

    296 views
    4 replies
    Latest over 1 year ago
    by Thomas Rainey
  • Answered

    BQ76952: Cell Balancing Active Cells (CB_ACTIVE_CELLS) reading when using 15-cell configuration 0 Locked

    278 views
    2 replies
    Latest over 1 year ago
    by Kyungjae Lee
  • Answered

    LM5181: Output Zener Diode role in a flyback circuit with LM5181-Q1 converter 0 Locked

    1102 views
    5 replies
    Latest over 1 year ago
    by Youhao Xi
  • Answered

    [FAQ] UCC21750-Q1: Isolated Gate Drivers Power up Sequence 0 Locked

    552 views
    1 reply
    Latest over 1 year ago
    by Sasikala Thangam
  • Suggested Answer

    BQ40Z80: Is there a newer version of the software? 0 Locked

    213 views
    1 reply
    Latest over 1 year ago
    by Adrian
  • Suggested Answer

    UCC27714: Require Graphs of Source,Sink current Vs Ambient temperature. 0 Locked

    253 views
    1 reply
    Latest over 1 year ago
    by William Moore
  • Suggested Answer

    UCC21750-Q1: UCC21750-Schematic and Layout Recommendation 0 Locked

    285 views
    1 reply
    Latest over 1 year ago
    by Sasikala Thangam
  • Answered

    [FAQ] UCC21750-Q1: Schematic and Layout Recommendation 0 Locked

    665 views
    1 reply
    Latest over 1 year ago
    by Sasikala Thangam
  • Suggested Answer

    TPS628502-Q1: schematic review 0 Locked

    279 views
    5 replies
    Latest over 1 year ago
    by Febin
  • Answered

    TPS25830A-Q1: Combination of TPS25830A-Q1 and TUSB217A-Q1 0 Locked

    301 views
    1 reply
    Latest over 1 year ago
    by Chuck Branch
  • Not Answered

    TPS2384: read chip ID, not always the same. 0 Locked

    258 views
    7 replies
    Latest over 1 year ago
    by Brandon Beader
  • Answered

    BQ25618: Narrow VDC specification 0 Locked

    296 views
    5 replies
    Latest over 1 year ago
    by Michael Emanuel35
  • Answered

    TPS544C26: Please share the passcode to unlock the device access 0 Locked

    342 views
    6 replies
    Latest over 1 year ago
    by Nancy Zhang
  • Suggested Answer

    LM317: Using an LM317 as a current limiter 0 Locked

    5383 views
    9 replies
    Latest over 1 year ago
    by Stephen Ziel
  • Suggested Answer

    TPS6594-Q1: How to use GUI tools and MSP-EXP432E401Y development board to configure TPS6594-Q1 0 Locked

    380 views
    3 replies
    Latest over 1 year ago
    by Nicholas McNamara
  • Answered

    TPS40304: TPS40304 0 Locked

    472 views
    6 replies
    Latest over 1 year ago
    by Peter James Miller
  • Suggested Answer

    TPS23730: TPS23730: Need support to explain about marking information 0 Locked

    289 views
    1 reply
    Latest over 1 year ago
    by Brandon Beader
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