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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

    TPS62160: questions about start up 0 Locked

    110 views
    3 replies
    Latest 6 months ago
    by Colin Chen
  • Answered

    TPS25983: Inquiry about the TPS259830ONRGE (Circuit breaker) 0 Locked

    188 views
    7 replies
    Latest 6 months ago
    by Arush Gupta
  • Not Answered

    BQ27Z746: maximum allowed current sense resistor 0 Locked

    152 views
    2 replies
    Latest 6 months ago
    by Jayden Li
  • Answered

    TPS61023: Negative voltage on SW pin 0 Locked

    530 views
    17 replies
    Latest 6 months ago
    by Lei Zhong
  • Answered

    TPS2062: About TPS2062D and TPS2062DR 0 Locked

    173 views
    6 replies
    Latest 6 months ago
    by teritama
  • Answered

    TPS562242: What is "Kelvin connection" mean? 0 Locked

    339 views
    6 replies
    Latest 6 months ago
    by Lucia Gao
  • Suggested Answer

    LMR36015AEVM: PGOOD Behavior after Load-Dump Test 0 Locked

    208 views
    12 replies
    Latest 6 months ago
    by I Chou
  • Suggested Answer

    TPS65400: ENSW delay 0 Locked

    92 views
    2 replies
    Latest 6 months ago
    by Lucia Gao
  • Suggested Answer

    TPSM82902: TPSM82902 : Rise time and Output Power Ramp Query 0 Locked

    269 views
    9 replies
    Latest 6 months ago
    by Colin Chen
  • Suggested Answer

    TPS563252: Negative supply using TPS563252 0 Locked

    91 views
    2 replies
    Latest 6 months ago
    by Lucia Gao
  • Suggested Answer

    BQ25300: Regarding Thermistor Temperature Monitoring 0 Locked

    242 views
    7 replies
    Latest 6 months ago
    by Ning T
  • Answered

    TPS1689: datasheet request 0 Locked

    173 views
    1 reply
    Latest 6 months ago
    by Kunal Goel
  • Answered

    BQ25306EVM: Design files download 0 Locked

    158 views
    3 replies
    Latest 6 months ago
    by Ning T
  • Not Answered

    TPS61022: Questions about the circuit in SuperCap backup system document. 0 Locked

    287 views
    7 replies
    Latest 6 months ago
    by Lei Zhong
  • Suggested Answer

    Need Alternative Boost Converter with 7VDC Output 0 Locked

    156 views
    4 replies
    Latest 6 months ago
    by Aurora Tie
  • Suggested Answer

    TPS54335A: TPS54335A cannot pass simulation 0 Locked

    123 views
    3 replies
    Latest 6 months ago
    by Gui He
  • Answered

    BQ25751: How to design the BATFET drive circuit when the system power is off and how to design the buck boost charging FET if the charging only in buck mode. 0 Locked

    247 views
    7 replies
    Latest 6 months ago
    by sun qiyun
  • Suggested Answer

    TPS62871: For Assembly condition of TPS62871Z0WRXSR 0 Locked

    91 views
    1 reply
    Latest 6 months ago
    by Chris Glaser
  • Answered

    TPS62442-Q1: About comp setting 1/2 and output capacitance 0 Locked

    175 views
    4 replies
    Latest 6 months ago
    by Leo Ma
  • Suggested Answer

    TPS7A02: Using TPS7A02 for Super Capacitor Load 0 Locked

    172 views
    1 reply
    Latest 6 months ago
    by Alex Davis
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