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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

    LP5861T: Higher voltage for green laser diode using LP5861T 0 Locked

    294 views
    4 replies
    Latest over 1 year ago
    by Jared Zhou
  • Answered

    TPS631000: Output Voltage is either 0V or 0.7V. Need help in troubleshooting. 0 Locked

    352 views
    9 replies
    Latest over 1 year ago
    by Tao Zhang
  • Answered

    LP5812: LP5812/LP5810 0 Locked

    535 views
    2 replies
    Latest over 1 year ago
    by Hailong Liao
  • Answered

    LM74910-Q1: LM74910-Q1 IMON accuracy questions 0 Locked

    192 views
    1 reply
    Latest over 1 year ago
    by Shiven Dhir
  • Not Answered

    TPS929240-Q1: Max Power Dissipation 0 Locked

    163 views
    1 reply
    Latest over 1 year ago
    by Hailee Xu
  • Not Answered

    TPS65381A-Q1: Queries about EEPROM CRC check at startup and run time 0 Locked

    154 views
    0 replies
    Started over 1 year ago
    by LONGHUA MAO
  • Not Answered

    TPS552872-Q1: TPS552872-Q1 Compensation Network Calculations 0 Locked

    327 views
    1 reply
    Latest over 1 year ago
    by Mulin Yuan
  • Answered

    BQ78350-R1A: Doubts concerging temperature protection 0 Locked

    241 views
    4 replies
    Latest over 1 year ago
    by Juan López Jódar
  • Suggested Answer

    LM74502: LM74502 Zener diode location (mosfet protection) 0 Locked

    339 views
    2 replies
    Latest over 1 year ago
    by Shiven Dhir
  • Answered

    TPS631013: Vout = 5V efficiency data 0 Locked

    205 views
    3 replies
    Latest over 1 year ago
    by Tao Zhang
  • Suggested Answer

    LM74930-Q1: If it is avaliable to put a discharge resistor between the gate and source of the MOS 0 Locked

    174 views
    1 reply
    Latest over 1 year ago
    by Shiven Dhir
  • Suggested Answer

    TPS3700: Input voltage @ -INB 0 Locked

    314 views
    8 replies
    Latest over 1 year ago
    by Jesse Villanueva
  • Not Answered

    TPS22968: Query on impact of applying 3.3V at VOUT1 0 Locked

    179 views
    3 replies
    Latest over 1 year ago
    by Arush Gupta
  • Suggested Answer

    TPS22950: TPS22950 RCB clarification 0 Locked

    274 views
    4 replies
    Latest over 1 year ago
    by Arush Gupta
  • Not Answered

    LM5170: not able to Control the converter output using ISETD. Current stays very low both with Battery and Resistive Load (50-150mA) 0 Locked

    645 views
    19 replies
    Latest over 1 year ago
    by Feng Ji
  • Not Answered

    BQ40Z80: Review of schematic for 6s using BQ40Z80 for drone BMS 0 Locked

    762 views
    18 replies
    Latest over 1 year ago
    by OverAgent712
  • Answered

    BQ25302: BQ25302: Is Q1 (input FET from VBUS to PMID) disabled when /EN is high (disabled)? 0 Locked

    263 views
    3 replies
    Latest over 1 year ago
    by Ning T
  • Suggested Answer

    TPS2662: TPS26621 0 Locked

    228 views
    1 reply
    Latest over 1 year ago
    by Amrit Jit
  • Answered

    LM5013: This is a question about LM5013 design. 0 Locked

    911 views
    31 replies
    Latest over 1 year ago
    by Nityanand Hegde
  • Answered

    TPS922055: Alternative to Handle Higher Input Voltage 0 Locked

    265 views
    3 replies
    Latest over 1 year ago
    by Steven Li
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