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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

    TUSB546-DCI: TUSB546-DCI 0 Locked

    150 views
    1 reply
    Latest over 1 year ago
    by David (ASIC) Liu
  • Suggested Answer

    TPS650330-Q1: TPS650330-Q1 Power Design Tool 0 Locked

    222 views
    1 reply
    Latest over 1 year ago
    by Katie Pier
  • Not Answered

    LM51571-Q1: Ibias current 0 Locked

    134 views
    1 reply
    Latest over 1 year ago
    by Moritz
  • Suggested Answer

    TPS65994AE: DP monitor display compatibility issue. 0 Locked

    609 views
    15 replies
    Latest over 1 year ago
    by Christodulos Tsongas
  • Answered

    TL431: Calculation of cathode output voltage for TL431 and PWM output frequency calculation for UC3845 0 Locked

    607 views
    5 replies
    Latest over 1 year ago
    by Hong Huang
  • Suggested Answer

    TPS22959: Minimum Input Voltage 0 Locked

    210 views
    3 replies
    Latest over 1 year ago
    by Amrit Jit
  • Answered

    LM74912-Q1: Switching speed between DGATE pin and HGATE pin 0 Locked

    264 views
    3 replies
    Latest over 1 year ago
    by Shiven Dhir
  • Answered

    TPSM82822: Alternate suggestion with less RθJA for ADC input supply 0 Locked

    232 views
    1 reply
    Latest over 1 year ago
    by Andreas Mueller
  • Suggested Answer

    LM5169: LM5169 use? 0 Locked

    227 views
    1 reply
    Latest over 1 year ago
    by Nityanand Hegde
  • Answered

    TPS27S100: How can I limit current 6A 0 Locked

    195 views
    3 replies
    Latest over 1 year ago
    by Zoey Wu
  • Suggested Answer

    TPS54160A: Ambient temperature effect output voltage 0 Locked

    148 views
    1 reply
    Latest over 1 year ago
    by Nityanand Hegde
  • Answered

    TPSM82822: RθJA value difference in datasheet and webench design 0 Locked

    168 views
    1 reply
    Latest over 1 year ago
    by Andreas Mueller
  • Answered

    TPS62A01A: Loop response calculation based on the excel sheet 0 Locked

    146 views
    1 reply
    Latest over 1 year ago
    by Andreas Mueller
  • Answered

    TPS563257: load transient response 0 Locked

    359 views
    6 replies
    Latest over 1 year ago
    by Lucia Gao
  • Answered

    TPS562208: Can you provide lifetime data? 0 Locked

    148 views
    1 reply
    Latest over 1 year ago
    by Shipeng Cheng
  • Answered

    LM2577: alternate or substitute of this 0 Locked

    170 views
    1 reply
    Latest over 1 year ago
    by Niklas Schwarz
  • Suggested Answer

    TPSM863257: Power Good 0 Locked

    281 views
    6 replies
    Latest over 1 year ago
    by Lucia Gao
  • Answered

    TPS22810: Rise time inquiry 0 Locked

    164 views
    1 reply
    Latest over 1 year ago
    by Arush Gupta
  • Answered

    TPS61289: Power management forum 0 Locked

    739 views
    15 replies
    Latest over 1 year ago
    by Fergus He
  • Answered

    TPS54360: Variable output voltage control 0 Locked

    370 views
    3 replies
    Latest over 1 year ago
    by Nityanand Hegde
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