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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

    BQ25713: default charge current 0 Locked

    262 views
    2 replies
    Latest over 5 years ago
    by Toshiro Imi
  • Answered

    PTH04070W: Material content status of PTH04070WAH/S 0 Locked

    447 views
    4 replies
    Latest over 5 years ago
    by Taichi Fujiwara
  • Answered

    TPS61161: Inductor Specification Review for the TPS61161 0 Locked

    355 views
    2 replies
    Latest over 5 years ago
    by Wayne Chen (Audio AE)
  • Answered

    TPS54531: Output voltage for Figure 12 and 13 0 Locked

    265 views
    2 replies
    Latest over 5 years ago
    by Ryo Akashi
  • Answered

    BQ24105-Q1: When VRCH is calculated from the resistance of NiMH Battery Charge 0 Locked

    306 views
    2 replies
    Latest over 5 years ago
    by Koji Hayashi92
  • Suggested Answer

    TPS54200: Buck converter with variable current limit? 0 Locked

    526 views
    5 replies
    Latest over 5 years ago
    by Charles-Chen
  • Answered

    LP5036: Current-limiting resistors? 0 Locked

    402 views
    3 replies
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    by Hardy Wu
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    609 views
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    Need recommended battery gauge for parking meter 0 Locked

    260 views
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    398 views
    19 replies
    Latest over 5 years ago
    by Garrett Roecker
  • Answered

    LM26480-Q1: request schematic review of LM26480-Q1 0 Locked

    430 views
    2 replies
    Latest over 5 years ago
    by Brian Berner
  • Suggested Answer

    TPS65217: Connect to Battery 0 Locked

    256 views
    3 replies
    Latest over 5 years ago
    by Brian Berner
  • Suggested Answer

    BQ34Z100-G1: NiMH battery pack: SOC=0 issue 0 Locked

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    Latest over 5 years ago
    by Dominik Hartl11
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    BQ40Z60EVM-578: Basic understanding of Bq series EVM working 0 Locked

    233 views
    1 reply
    Latest over 5 years ago
    by Vos
  • Answered

    TPS7B7702-Q1: For current limit setting which exceeds 300mA 0 Locked

    226 views
    1 reply
    Latest over 5 years ago
    by Jason Song
  • Not Answered

    TPS1HA08-Q1: Internal MOSFET Drain to Source Capacitance 0 Locked

    185 views
    3 replies
    Latest over 5 years ago
    by Cameron Phillips
  • Answered

    UCC28600: Circuit not starting, reference drooping. 0 Locked

    341 views
    2 replies
    Latest over 5 years ago
    by Kevin Parker
  • Answered

    BQ76920: Alert period accuracy 0 Locked

    214 views
    3 replies
    Latest over 5 years ago
    by Matt Sunna
  • Suggested Answer

    TPS22916: Can't import TPS22916 spice model into TINA-TI 0 Locked

    703 views
    2 replies
    Latest over 5 years ago
    by Aleksandras_Kaknevicius
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