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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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  • Not Answered

    TPIC7218-Q1: When TPIC7218 will not work 0 Locked

    154 views
    0 replies
    Started over 1 year ago
    by Andy Jin
  • Answered

    USB-PD-CHG-EVM-01: Programming via TPS25750 Application Customization Tool 0 Locked

    367 views
    1 reply
    Latest over 1 year ago
    by Conner Gillette
  • Suggested Answer

    BQ24610: Suitable for design? 0 Locked

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    Latest over 1 year ago
    by Christian Moyer
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    BQ25731: 6S LiFePo4 battery 0 Locked

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    TPS546B24A: VOUT STABLITY ISSUE 0 Locked

    470 views
    10 replies
    Latest over 1 year ago
    by Peter James Miller
  • Suggested Answer

    1uH, 800kHz 0 Locked

    195 views
    1 reply
    Latest over 1 year ago
    by Tiger Zhou
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    TPS1H200A-Q1: TPS1H200A-Q1 0 Locked

    207 views
    1 reply
    Latest over 1 year ago
    by Timothy Logan
  • Suggested Answer

    BQ25731: Stability Analysis Bode Plot 0 Locked

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    by Tiger Zhou
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    507 views
    13 replies
    Latest over 1 year ago
    by Bright Robert
  • Suggested Answer

    TPS65994AD: TPS65994AD I2C master event 0 Locked

    347 views
    5 replies
    Latest over 1 year ago
    by Alex Liu
  • Not Answered

    BQ76952: About the power-on sequence of bq76952 battery cell voltage sampling 0 Locked

    346 views
    7 replies
    Latest over 1 year ago
    by Luis H. S.
  • Suggested Answer

    LM74700-EP: more Fast response ro reverse current blocking parts 0 Locked

    242 views
    1 reply
    Latest over 1 year ago
    by Shiven Dhir
  • Answered

    TPS62442-Q1: Request of review for the circuit 0 Locked

    436 views
    6 replies
    Latest over 1 year ago
    by Mohsin Shehzad
  • Answered

    BQ24610: Pre-charge and Charging timeout question 0 Locked

    291 views
    1 reply
    Latest over 1 year ago
    by Christian Moyer
  • Suggested Answer

    TPS2121: Cycling between inputs / Hysteresis 0 Locked

    293 views
    1 reply
    Latest over 1 year ago
    by Patrick Shalton
  • Suggested Answer

    BQ24600: 12A charging with BQ24600 IC 0 Locked

    217 views
    1 reply
    Latest over 1 year ago
    by Christian Moyer
  • Answered

    TPS24742: Should I connect exposed thermal pad to GND ? 0 Locked

    249 views
    2 replies
    Latest over 1 year ago
    by hirano
  • Suggested Answer

    LM5143-Q1: Output current limited and the sharing of current by phase is instable (not equitable) 0 Locked

    214 views
    1 reply
    Latest over 1 year ago
    by Timothy Hegarty
  • Answered

    BQ25790: QUIESCENT CURRENTS when ADC enable 0 Locked

    203 views
    1 reply
    Latest over 1 year ago
    by Jeff F
  • Answered

    BQ25672: Use BQ25672 as the voltage source when the battery is not connected 0 Locked

    344 views
    1 reply
    Latest over 1 year ago
    by Jeff F
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