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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

    TPSF12C3: Y-capacitors between the CMCs 0 Locked

    1598 views
    12 replies
    Latest over 1 year ago
    by Ben C
  • Suggested Answer

    LM25141-Q1: Normal percent of Soldering area on E-PAD 0 Locked

    312 views
    3 replies
    Latest over 1 year ago
    by Timothy Hegarty
  • Answered

    UCC21737-Q1: How is the gate discharged if"Enable" goes low? 0 Locked

    267 views
    4 replies
    Latest over 1 year ago
    by Sasikala Thangam
  • Answered

    BQ25756: Doubt in SET and RESET the Register 0 Locked

    291 views
    2 replies
    Latest over 1 year ago
    by sankar eswaran
  • Suggested Answer

    LM5163: Maximum value for minimum off time 0 Locked

    228 views
    1 reply
    Latest over 1 year ago
    by EricLee
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    TPSM365R6: minimum peak inductor current question 0 Locked

    273 views
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    Latest over 1 year ago
    by Ben C
  • Answered

    TPS7H5001-SP: What are current sourcing capabilities of VLDO and VREF pins? 0 Locked

    196 views
    1 reply
    Latest over 1 year ago
    by Daniel Hartung
  • Suggested Answer

    TPS7B7702-Q1: Inquiry on output voltage at low voltage input of TPS7B7702-Q1 0 Locked

    205 views
    1 reply
    Latest over 1 year ago
    by Nick Butts
  • Suggested Answer

    LM2990: Impedance between Input and GND very low when assembled on board 0 Locked

    250 views
    1 reply
    Latest over 1 year ago
    by Stephen Ziel
  • Answered

    LMQ66430: Output voltage selection. 0 Locked

    263 views
    1 reply
    Latest over 1 year ago
    by Ridge Lahti
  • Suggested Answer

    LM5160-Q1: current capability 0 Locked

    435 views
    5 replies
    Latest over 1 year ago
    by EricLee
  • Suggested Answer

    UCC57108-Q1: Parameters are missing in datasheet 0 Locked

    257 views
    2 replies
    Latest over 1 year ago
    by Rubas Khalid
  • Suggested Answer

    LMQ66410: 3D step file 0 Locked

    224 views
    2 replies
    Latest over 1 year ago
    by Ridge Lahti
  • Suggested Answer

    BQ25792: vs PQ25792RQMR 0 Locked

    191 views
    1 reply
    Latest over 1 year ago
    by Jeff F
  • Suggested Answer

    BQ25792EVM: About MPPT works 0 Locked

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

    BQ24171: Charging current of 125mA for a 3S lithium-ion battery 0 Locked

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

    UCC28951: cc/cv 5kW PSFB charger +1 Locked

    342 views
    5 replies
    Latest over 1 year ago
    by Tom Rouelle
  • Answered

    BQ79731-Q1: bq79718 web page 0 Locked

    623 views
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    Latest over 1 year ago
    by Anthony P Pham
  • Answered

    BQ51050B:able to use with any WPC charger 0 Locked

    284 views
    1 reply
    Latest over 1 year ago
    by Bill Johns
  • Answered

    BQ25171-Q1: minimum input voltage for 4s NiMH 0 Locked

    291 views
    1 reply
    Latest over 1 year ago
    by Bill Johns
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