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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

    LMQ644A2-Q1: spurious 0

    253 views
    13 replies
    Latest 17 days ago
    by Ridge Lahti
  • Suggested Answer

    TPS51200: Required information COO ( Country of Origin) details 0

    147 views
    6 replies
    Latest 17 days ago
    by James Steenbock
  • Suggested Answer

    TPS2H160-Q1: Soft-start time information for TPS2H160 0

    22 views
    1 reply
    Latest 17 days ago
    by Nicholas Petersilge
  • Suggested Answer

    BQ79718B-Q1: Driver libraby needed for AFE base don Uart 0

    27 views
    1 reply
    Latest 17 days ago
    by Zachary Balov
  • Suggested Answer

    BQ25792: Charger + BMS board review 0

    61 views
    5 replies
    Latest 18 days ago
    by Norbert Bonnici
  • Suggested Answer

    ULN2003A: Quality Issue for ULN2003ADR2G 0

    56 views
    3 replies
    Latest 18 days ago
    by Patrick Shalton
  • Suggested Answer

    TPS7C84-Q1: How much time does it take between "EN pin low to high transient" to "output voltage regulation response time" is? 0

    81 views
    3 replies
    Latest 18 days ago
    by Alex Davis
  • Suggested Answer

    BQ76952: Maximum operating current under normal operating conditions for the bq76952 0

    67 views
    1 reply
    Latest 18 days ago
    by Rohin Nair
  • Suggested Answer

    LMG1205: LM5113QDPRRQ1 / LMG1205YFXR 0

    25 views
    1 reply
    Latest 18 days ago
    by Annabelle Alemand
  • Not Answered

    TLV757P: Replacing DP83867ISRGZR with TLV75725PDRVR. 0

    26 views
    1 reply
    Latest 18 days ago
    by Vahnroy Hosear
  • Suggested Answer

    TPS7A03: High current consumption on TPS7A0330PDBVR even without any load 0

    34 views
    1 reply
    Latest 18 days ago
    by Gregory Thompson
  • Suggested Answer

    LP2951-Q1: Question about LP2951-50QDRQ1 0

    22 views
    1 reply
    Latest 18 days ago
    by Ishaan Shetye
  • Suggested Answer

    BQ25638: IQ_BAT entering condition 0

    15 views
    1 reply
    Latest 18 days ago
    by Shuvam Keshari
  • Suggested Answer

    UCC28950: Problem with starting 0 Locked

    119 views
    5 replies
    Latest 18 days ago
    by Mike O'
  • Not Answered

    BQ27542EVM: cycle count 0

    40 views
    4 replies
    Latest 18 days ago
    by Dominik Hartl11
  • Suggested Answer

    TPS1HTC30-Q1: Tape and Reel Information 0

    90 views
    3 replies
    Latest 18 days ago
    by Patrick Shalton
  • Answered

    SN74AVC1T45:Reflow Profile 0

    22 views
    1 reply
    Latest 18 days ago
    by Joshua Salinas
  • Not Answered

    BQ2060A: Technical Issue 0

    87 views
    6 replies
    Latest 18 days ago
    by Dominik Hartl11
  • Answered

    TPS25730: Is TPS25730D connected DRAIN PAD to GND problem? 0

    36 views
    2 replies
    Latest 18 days ago
    by Georgi Smilyanov
  • Suggested Answer

    TPS2492: Question on the 50mV (25mV? current limit threshold) 0

    22 views
    1 reply
    Latest 18 days ago
    by Avishek Pal
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