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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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  • Answered

    BQ25713: ADC resolution and current ripple 0 Locked

    142 views
    1 reply
    Latest 7 months ago
    by Tiger Zhou
  • Not Answered

    TPS546D24SEVM-2PH: Voltage drop and Iout not supported more than 5A TPS546D24SEVM-2PH 0 Locked

    149 views
    5 replies
    Latest 7 months ago
    by Tomoya Ide
  • Suggested Answer

    BQ25619E: BATSNS connection with load switch 0 Locked

    307 views
    9 replies
    Latest 7 months ago
    by Michael Emanuel35
  • Suggested Answer

    UCC21750: FLT pin goes low even when the PWM is always low and EN pin is low too. 0 Locked

    482 views
    13 replies
    Latest 7 months ago
    by Sasikala Thangam
  • Not Answered

    TPS54302: TPS54302 0 Locked

    178 views
    1 reply
    Latest 7 months ago
    by Andrew Xiong
  • Not Answered

    BQ34Z100-R2: Learned Status not progressing past 5 +1 Locked

    187 views
    7 replies
    Latest 7 months ago
    by Adrian
  • Suggested Answer

    TPS65987D: PD Source enable until VSAFE5 i reached 0 Locked

    374 views
    9 replies
    Latest 7 months ago
    by Christopher Lim1
  • Answered

    INA250EVM: Request for Altium Project Files of INA250EVM - Current Shunt Monitor Evaluation Module 0 Locked

    235 views
    3 replies
    Latest 7 months ago
    by Mallika Senthil
  • Answered

    [FAQ] BQ4050: How to get started with CEDV gauges? 0 Locked

    1043 views
    1 reply
    Latest 7 months ago
    by Jose Couso
  • Suggested Answer

    BQ25792: BQ25792 100W limit 0 Locked

    141 views
    1 reply
    Latest 7 months ago
    by Jeff F
  • Suggested Answer

    UC3843A: UC384x Family: variable frequency 0 Locked

    134 views
    3 replies
    Latest 7 months ago
    by Hong Huang
  • Suggested Answer

    UCC14241-Q1: SPICE Model Availability? 0 Locked

    126 views
    1 reply
    Latest 7 months ago
    by Steven Mappus1
  • Answered

    TPS2491: Performance comparison against LT4256 0 Locked

    155 views
    3 replies
    Latest 7 months ago
    by Amrit Jit
  • Suggested Answer

    BQ25306: BQ25306 0 Locked

    187 views
    3 replies
    Latest 7 months ago
    by Garrett Kreger
  • Answered

    TPS65994AD: How do i reset the usb-c connection 0 Locked

    318 views
    1 reply
    Latest 7 months ago
    by Christodulos Tsongas
  • Answered

    LMG2650: What is the MSL? 0 Locked

    266 views
    3 replies
    Latest 7 months ago
    by Kyle Wolf
  • Suggested Answer

    TPS6521905: Programming options 0 Locked

    193 views
    1 reply
    Latest 7 months ago
    by Philippe Maire
  • Answered

    TPS6594-Q1: TPS6594-Q1 Device Revision ID 0 Locked

    617 views
    12 replies
    Latest 7 months ago
    by Akhil M Nair
  • Suggested Answer

    TPSM82821A: VOUT (Output voltage accuracy) 2 0 Locked

    152 views
    3 replies
    Latest 7 months ago
    by Varun John
  • Not Answered

    TPS61178: Part not starting/switching 0 Locked

    155 views
    2 replies
    Latest 7 months ago
    by Brigitte
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