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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

    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

    175 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

    647 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
  • Suggested Answer

    LMR36506-Q1: GPN selection for FSW=400k, Vout=5V 0 Locked

    256 views
    5 replies
    Latest over 1 year ago
    by Daniel Wang (auto)
  • Answered

    TPS61253: Unable to start up with 200mA load 0 Locked

    206 views
    3 replies
    Latest over 1 year ago
    by Nathan Ding
  • Suggested Answer

    TPS65235EVM-747: I2C Connection 0 Locked

    215 views
    1 reply
    Latest over 1 year ago
    by Colin Chen
  • Suggested Answer

    UCC28180: Why does UCC28180 add a 4.7uF capacitor after the rectifier bridge? 0 Locked

    313 views
    4 replies
    Latest over 1 year ago
    by Tom Tom
  • Answered

    BQSTUDIO: What does the SCB command mean in bq.fs ? 0 Locked

    297 views
    2 replies
    Latest over 1 year ago
    by Alex Chen
  • Answered

    TPS25751: looking for a USB Type-C PD controller that can support EPR 140W 0 Locked

    425 views
    2 replies
    Latest over 1 year ago
    by Hidenori Katagiri
  • Answered

    LMR36510: LMR36510f FPWM 0 Locked

    154 views
    1 reply
    Latest over 1 year ago
    by Richard Fu22
  • Suggested Answer

    BQ76952: [OTP] Checking the number of signature values already registered in the device 0 Locked

    186 views
    1 reply
    Latest over 1 year ago
    by Alexis_H
  • Answered

    TPS7A45: Thermal Shutdown Temperature 0 Locked

    291 views
    3 replies
    Latest over 1 year ago
    by Ishaan Shetye
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