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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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View FAQ threads
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  • Answered

    BQ25672: Inquiries about the built-in FET Vds voltage specification in the IC 0 Locked

    224 views
    2 replies
    Latest over 1 year ago
    by Jeff F
  • Suggested Answer

    BQ25121: LS mode current capability? 0 Locked

    301 views
    6 replies
    Latest over 1 year ago
    by Juan Ospina
  • Answered

    TPS62873: Simulation of two TPS62873s in parallel 0 Locked

    332 views
    5 replies
    Latest over 1 year ago
    by Chris Glaser
  • Not Answered

    BQ25125: STAT_0 STAT_1 = 11 Error Status When Setting ICHRG Higher than 70mA 0 Locked

    217 views
    3 replies
    Latest over 1 year ago
    by Juan Ospina
  • Not Answered

    BQ24610: Battery MOSFET 0 Locked

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

    TPS65219: 1V8 Feedback on VDD_1V2 (Buck3) rails on startup 0 Locked

    329 views
    11 replies
    Latest over 1 year ago
    by Brenda Diaz
  • Suggested Answer

    BQ78350-R1A: Question on Vscale 0 Locked

    202 views
    1 reply
    Latest over 1 year ago
    by Adrian
  • Answered

    LM70880-Q1: CONFIG pin connected to AGND or PGND ? 0 Locked

    236 views
    1 reply
    Latest over 1 year ago
    by Ben C
  • Suggested Answer

    TPS650350-Q1: TPS650350-Q1 0 Locked

    256 views
    1 reply
    Latest over 1 year ago
    by Katie Pier
  • Answered

    UCC28742: AC - DC Power Supply part selection 0 Locked

    349 views
    5 replies
    Latest over 1 year ago
    by Hong Huang
  • Answered

    UCC27282: UCC27282 0 Locked

    228 views
    1 reply
    Latest over 1 year ago
    by William Moore
  • Suggested Answer

    LM2104: What is the tolerance on the deadtime? 0 Locked

    266 views
    1 reply
    Latest over 1 year ago
    by William Moore
  • Suggested Answer

    TPS1641: Short circuit of VIN, VOUT, GND 0 Locked

    616 views
    5 replies
    Latest over 1 year ago
    by Rakesh
  • Answered

    TPS2660: TPS26601 as load switch Cout 0 Locked

    314 views
    5 replies
    Latest over 1 year ago
    by Rakesh
  • Answered

    TPS65988: EVM source files 0 Locked

    318 views
    3 replies
    Latest over 1 year ago
    by pavlos papamichalis
  • Answered

    TPS54260: TPS54260 continue blow in Inverting Power Supply 0 Locked

    250 views
    2 replies
    Latest over 1 year ago
    by Michael Schmid
  • Suggested Answer

    LM5155-Q1: LM5155 VCC Pin connection 0 Locked

    342 views
    1 reply
    Latest over 1 year ago
    by Moritz
  • Not Answered

    LP8866-Q1: Whether LP8866 can drive light strings with different number of leds 0 Locked

    214 views
    1 reply
    Latest over 1 year ago
    by Zhiqian Wu
  • Answered

    TPS65987D: Reading 0x1A Status Register before patch bundle download 0 Locked

    342 views
    8 replies
    Latest over 1 year ago
    by Johan Öhman
  • Not Answered

    BQ51013B: bq51013 0 Locked

    865 views
    6 replies
    Latest over 1 year ago
    by Adrian Whale
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