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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 1 year 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

    TPS54116-Q1: Please validate my schematic design. 0 Locked

    435 views
    7 replies
    Latest over 4 years ago
    by yuichi shintomi
  • Answered

    UCC28782: RDM related tdm(max) and tdm(min)? 0 Locked

    396 views
    1 reply
    Latest over 4 years ago
    by Ulrich Goerke
  • Answered

    UCC28782: RDM resistor and the demagnetic time? 0 Locked

    435 views
    1 reply
    Latest over 4 years ago
    by Ulrich Goerke
  • Answered

    UCC28730-Q1: Could we use this device as a HV boost controller? 0 Locked

    438 views
    1 reply
    Latest over 4 years ago
    by Ulrich Goerke
  • Answered

    TPS65216: DCDC4 = 1.8V, Vin= 5V. What is the available output current 0 Locked

    252 views
    3 replies
    Latest over 4 years ago
    by Brian Berner
  • Answered

    TPS23754: Classification PoE+ 0 Locked

    653 views
    1 reply
    Latest over 4 years ago
    by Michael Pahl
  • Answered

    BQ25155: Enquiry: Via Hole Size 0 Locked

    255 views
    3 replies
    Latest over 4 years ago
    by Raheem
  • Answered

    BQ27421-G1: BQ27421-G1A SOH status always 0x00 0 Locked

    536 views
    9 replies
    Latest over 4 years ago
    by Wojciech Obrebski
  • Suggested Answer

    BQ24171: TTC STAT blinking - disabling timer works fine, enabled instantly errors 0 Locked

    396 views
    10 replies
    Latest over 4 years ago
    by Ricardo
  • Answered

    BQ25883: Disable the TS pin functionality or default status for Temperature sense 0 Locked

    343 views
    5 replies
    Latest over 4 years ago
    by Ricardo
  • Answered

    TPS54821: Is the low side MOSFET turned off when EN pin pulled to GND? 0 Locked

    363 views
    3 replies
    Latest over 4 years ago
    by David Reed2
  • Suggested Answer

    BQ24650: Stops Charging after low light 0 Locked

    402 views
    6 replies
    Latest over 4 years ago
    by Kedar Manishankar
  • Suggested Answer

    BQ24610: Termination current for the battery 0 Locked

    220 views
    1 reply
    Latest over 4 years ago
    by Kedar Manishankar
  • Suggested Answer

    UCC28730: Diode Snubber 0 Locked

    1527 views
    1 reply
    Latest over 4 years ago
    by Ulrich Goerke
  • Suggested Answer

    TPS1H100-Q1: Auto recovery time for TPS1H100A-Q1 0 Locked

    205 views
    1 reply
    Latest over 4 years ago
    by Kalin Burnside
  • Suggested Answer

    UCC21530: Question about availability of solutions similar to UCC21530 0 Locked

    454 views
    3 replies
    Latest over 4 years ago
    by Liban Hussein1
  • Suggested Answer

    BQ20Z70-V160: device sleep mode 0 Locked

    451 views
    11 replies
    Latest over 4 years ago
    by Wyatt Keller
  • Suggested Answer

    BQ77915: Schematic review 0 Locked

    296 views
    3 replies
    Latest over 4 years ago
    by Shawn Hinkle
  • Suggested Answer

    BQ24041: bq24041 ASI 0 Locked

    374 views
    1 reply
    Latest over 4 years ago
    by Anthony P Pham
  • Answered

    TPS7H3301-SP: Spice Model 0 Locked

    563 views
    7 replies
    Latest over 4 years ago
    by Wade Vonbergen
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