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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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  • Answered

    ULN2003A: PW package thermal performance compare to TBD62003AFWG 0 Locked

    1290 views
    7 replies
    Latest over 6 years ago
    by Alpha H
  • Answered

    UCC28220: Short circuit protection 0 Locked

    357 views
    2 replies
    Latest over 6 years ago
    by VLADIMIR GOLDSTEIN
  • Suggested Answer

    BQ24120: Is there a safe operating condition without input power? 0 Locked

    336 views
    5 replies
    Latest over 6 years ago
    by Jeff F
  • Suggested Answer

    TPS22918: Is there any recommended condtion of rise time and fall time of VIN power? 0 Locked

    306 views
    1 reply
    Latest over 6 years ago
    by Alpha H
  • Suggested Answer

    TPS22910A: load switch load capacitor 0 Locked

    808 views
    1 reply
    Latest over 6 years ago
    by Alpha H
  • Answered

    Does the ic can control inflow of charge current? 0 Locked

    288 views
    3 replies
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    BQ34110: BQ34110 Increase current capability of reading 0 Locked

    253 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Answered

    TPS565201: Output bulk capacitance 0 Locked

    652 views
    8 replies
    Latest over 6 years ago
    by Brian Rupp
  • Suggested Answer

    BQ20Z95: Battery Failure Status in Manufacturer Status Register 0 Locked

    303 views
    1 reply
    Latest over 6 years ago
    by Batt
  • Suggested Answer

    TPS65094: TPS65094 buck1 and Buck3 Sequence is greater than 110ms 0 Locked

    461 views
    2 replies
    Latest over 6 years ago
    by Nick Jakse49
  • Answered

    TPS65094: TPS65094 GUI setting I2C was no signal output 0 Locked

    394 views
    1 reply
    Latest over 6 years ago
    by Nick Jakse49
  • Answered

    UCC38050: Can UCC38050 PFC Controller be used out of the universal input range? 0 Locked

    496 views
    5 replies
    Latest over 6 years ago
    by Mike O'
  • Suggested Answer

    TPS659037: External crystal spec 0 Locked

    362 views
    1 reply
    Latest over 6 years ago
    by Nastasha
  • Answered

    BQ76PL455A-Q1: No sign of UART communication 0 Locked

    691 views
    4 replies
    Latest over 6 years ago
    by Bartosz Nowatkiewicz
  • Suggested Answer

    TPS62743: Weird current consumption on TPS62743 0 Locked

    303 views
    1 reply
    Latest over 6 years ago
    by Chris Glaser
  • Suggested Answer

    TPS659037: I2C bus protocol 0 Locked

    660 views
    3 replies
    Latest over 6 years ago
    by Nastasha
  • Answered

    BQ25600D: Charging is not terminated at Cool and Warm condition 0 Locked

    394 views
    9 replies
    Latest over 6 years ago
    by Hong Mao
  • Suggested Answer

    BQ24170: About TS pin function 0 Locked

    561 views
    1 reply
    Latest over 6 years ago
    by Jeff F
  • Suggested Answer

    RE: BQ51050B: Wireless Charge Not Terminating 0 Locked

    298 views
    3 replies
    Latest over 6 years ago
    by Bill Johns
  • Answered

    TPS548B22: check if loop is stable 0 Locked

    259 views
    3 replies
    Latest over 6 years ago
    by Given Ding
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