TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel
Power management

Power management

Power management forum

  • Mentions
  • Tags
  • More
  • Cancel
  • Ask a new question
  • Ask a new question
  • Cancel
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] Why does GUI show 0 V while the real measuring result is 2.1 V? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Each monitor rail has its Vout Exponent, which limits the maximum voltage the device shall return…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Can less than three GPIs be used for PIN SELECTED RAIL STATE (PSRS)? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 Yes, PSRS supports up to three GPIs. When the number of GPIs used for PSRS is less that the configured…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the fast GPIs and how to enable them? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The UCD90xxx family has eight interruptible GPIs (GPIO1 through 4, 12, 16, 17, and 18) that can…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does the GUI not show the correct name of the rails, GPIs, or GPOs when the board is connected to a new computer? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The names of rails, GPIs, and logic GPOs are stored in the local PC instead of the respective devices…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] What happens when the fault log is full? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A There are three configurable behaviors when the fault log is full: 1. Stop logging new faults…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is a fault logged even if the fault is ignored by a glitch filter? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 A glitch filter only applies to a fault response. The fault itself is still logged. For more…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the invalid logs flag not cleared? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 The Invalid Logs flag is cleared only on the next boot up if the device does not see any corrupted…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the invalid logs flag set? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90320U , UCD90320 , UCD90240 , UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90120 , UCD9090A , UCD90124 , UCD90124A An invalid log bit is set when the device detects corrupted log in the flash. The log is stored…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is POWER_GOOD flag set? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 It means that at least one monitored rail does not reach its POWER_GOOD_ON threshold. Check the…
    • over 3 years ago
    • Power management
    • Power management forum
  • [FAQ] Why are the settings not saved after device reset? UCD90xxx

    Sam
    Sam
    Other Parts Discussed in Thread: UCD90120A , UCD9090 , UCD90160A , UCD90160 , UCD90240 , UCD90320U , UCD90120 , UCD9090A , UCD90124 , UCD90124A , UCD90320 You must click Write to Hardware first followed by Store RAM to Flash to store all settings into…
    • over 3 years ago
    • Power management
    • Power management forum
<>

View FAQ threads
  • Tags
  • RSS
  • More
  • Cancel
  • Answered

    LM53635-Q1: Schematic review request 0 Locked

    466 views
    2 replies
    Latest over 5 years ago
    by DY Ko
  • Answered

    LM5069: Sense Resistor Divider size and Layout 0 Locked

    372 views
    1 reply
    Latest over 5 years ago
    by Rakesh
  • Answered

    LM3488: How to meet output 5V, 5A 0 Locked

    513 views
    7 replies
    Latest over 5 years ago
    by Tseng Ruihong
  • Suggested Answer

    BQ34Z100: GND wiring both bq34z100 and bq24172 0 Locked

    203 views
    2 replies
    Latest over 5 years ago
    by PAN-M
  • Suggested Answer

    LM5141-Q1: Is the low Iq feature available up to 30V input? 0 Locked

    349 views
    12 replies
    Latest over 5 years ago
    by Timothy Hegarty
  • Suggested Answer

    LM5122: Spectrum analyzer 0 Locked

    286 views
    3 replies
    Latest over 5 years ago
    by Timothy Hegarty
  • Answered

    TPS25200: TPS25200 OVLO operation 0 Locked

    225 views
    2 replies
    Latest over 5 years ago
    by Paul Yeh
  • Not Answered

    BQ25890: OTG_CONFIG disables itself automatically 0 Locked

    259 views
    5 replies
    Latest over 5 years ago
    by Ning T
  • Suggested Answer

    BQ25606: What happens if a input power is connected to the VBUS pin while the chip is working in boost mode? 0 Locked

    507 views
    5 replies
    Latest over 5 years ago
    by Hong Mao
  • Answered

    BQ25616: Max current from SYS pins with charging disabled and no battery 0 Locked

    130 views
    1 reply
    Latest over 5 years ago
    by Ning T
  • Suggested Answer

    BQ40Z50EVM-561: Making a cell cycler that automatically charges and discharges 0 Locked

    322 views
    2 replies
    Latest over 5 years ago
    by Wyatt Keller
  • Answered

    LM5170: I am looking for a backup IC that can charge and discharge supercapacitors 0 Locked

    413 views
    1 reply
    Latest over 5 years ago
    by Garrett Roecker
  • Not Answered

    LM5155-Q1: voltage on the BIAS pin 0 Locked

    198 views
    1 reply
    Latest over 5 years ago
    by Garrett Roecker
  • Suggested Answer

    LM2775: Output voltage drop 0 Locked

    208 views
    1 reply
    Latest over 5 years ago
    by Garrett Roecker
  • Suggested Answer

    ULN2003A: Pull-up Resistor placement for Resistive loads 0 Locked

    945 views
    1 reply
    Latest over 5 years ago
    by Andy Robles
  • Answered

    TPS65381A-Q1: Meaning of NRES_ERR - When will it be set? 0 Locked

    233 views
    4 replies
    Latest over 5 years ago
    by Ivan Calzada
  • Answered

    LP87702-Q1: Ask for alternative device with only buck fuction remained 0 Locked

    315 views
    2 replies
    Latest over 5 years ago
    by Rob Hughes
  • Suggested Answer

    BQ27411-G1: LTO 6S2P Battery gauge 0 Locked

    417 views
    5 replies
    Latest over 5 years ago
    by David Hien
  • Answered

    LM5122: support 4 phase boost control 0 Locked

    349 views
    1 reply
    Latest over 5 years ago
    by Richard Fu22
  • Answered

    BQ25606: Which components are not necessary if don't use the power system? 0 Locked

    403 views
    4 replies
    Latest over 5 years ago
    by Ning T
<>