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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 Function Safety documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…
    • over 2 years ago
    • Power management
    • Power management forum
  • [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
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  • Not Answered

    BQ40Z80: BQ40Z80 0 Locked

    190 views
    1 reply
    Latest 11 months ago
    by Anthony
  • Suggested Answer

    TPS25751: How to enable/disable VCONN swap capability 0 Locked

    243 views
    1 reply
    Latest 11 months ago
    by Aya Khedr
  • Answered

    TPS25751: PP5V vs VSYS (PPHV) for USB-OTG (Source) 0 Locked

    457 views
    2 replies
    Latest 11 months ago
    by Aya Khedr
  • Not Answered

    TPS25751: Power on by typeC port 0 Locked

    171 views
    3 replies
    Latest 11 months ago
    by Aya Khedr
  • Not Answered

    BQ33100: BQ33100PWR 0 Locked

    217 views
    3 replies
    Latest 11 months ago
    by Adrian
  • Not Answered

    TPS53015: Designs with low Rds(ON) low side FETs and IOCL limitations 0 Locked

    181 views
    1 reply
    Latest 11 months ago
    by Britton Jones
  • Answered

    BQ76952: "CHG FET Protections" and "DSG FET Protections" registers 0 Locked

    321 views
    2 replies
    Latest 11 months ago
    by Pavel Murashka
  • Not Answered

    TPS281C100: Odd response to EN toggling 0 Locked

    405 views
    12 replies
    Latest 11 months ago
    by Alan Whitehead
  • Not Answered

    TPS27S100: TPS27S100 current limitation problem 0 Locked

    166 views
    1 reply
    Latest 11 months ago
    by Rishika Patel
  • Suggested Answer

    TPS76901-HT: TPS76901HDBVT 0 Locked

    282 views
    6 replies
    Latest 11 months ago
    by McKyla Beuttler
  • Answered

    TPS25762-Q1: IRQ functionality and drive type 0 Locked

    268 views
    3 replies
    Latest 11 months ago
    by Ke Wang
  • Not Answered

    LM5163: Schematic Review 0 Locked

    164 views
    1 reply
    Latest 11 months ago
    by David Baba
  • Not Answered

    BQ78350-DEVICE-FW: Bq78350-R2 Dod at EDV2 parameter 0 Locked

    426 views
    6 replies
    Latest 11 months ago
    by Dominik Hartl11
  • Answered

    LMG2100R044: 3D Model 0 Locked

    215 views
    1 reply
    Latest 11 months ago
    by Zachary Soviero
  • Answered

    LMG1210: Maximum Bus Voltage 0 Locked

    166 views
    1 reply
    Latest 11 months ago
    by Walter Zollinger
  • Suggested Answer

    BQ27Z746: 0.01 build 12 and 1.02 build 15 or 1.05 build 18 Data Flash Map varies and is not documented properly for R1 in SLUUCW8 0 Locked

    249 views
    3 replies
    Latest 11 months ago
    by Jonny
  • Answered

    TPS65994AE: Support and Design Documents 0 Locked

    348 views
    13 replies
    Latest 11 months ago
    by Shane Hauser
  • Answered

    LMR51440: To calculate switching loss, could you please provide Vf of the body diode and rise/fall time of the FET 0 Locked

    322 views
    5 replies
    Latest 11 months ago
    by Rahil Ajani
  • Suggested Answer

    UCC23313: package height less than 2.4mm 0 Locked

    166 views
    1 reply
    Latest 11 months ago
    by Sean Cashin
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    LM63635-Q1: When the reset pin is at EN=0 and VIN is continuously present (Vin=12V), the internal MOS state 0 Locked

    250 views
    4 replies
    Latest 11 months ago
    by Rahil Ajani
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