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Showing 14 results View by: Thread Post Sort by
  • LP87644Q1EVM: Question regarding use of LP87644Q1EVM

    Grady Lee
    Grady Lee
    TI Thinks Resolved
    Part Number: LP87644Q1EVM Other Parts Discussed in Thread: TPS6594EVM , LP8764-Q1 , TPS6594-Q1 Hi, TI expert A customer has a question regarding the use of LP87644Q1EVM. The customer is considering a System Power Management Interface (SPMI) related…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP87644Q1EVM: Firmware Update on Windows

    Alleyn Bowen
    Alleyn Bowen
    Part Number: LP87644Q1EVM Other Parts Discussed in Thread: UNIFLASH I am having difficulty to update the firmware: OS: Windows 10 Note: I have also tried direct from the command line: c:\ti\BSL-Scripter\BSL-Scripter.exe e4xx_script.txt ------…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP87644Q1EVM: SPMI

    chen jianlin
    chen jianlin
    TI Thinks Resolved
    Part Number: LP87644Q1EVM Dear Support, The SCLK_SPMI and SDATA_SPMI pins are present on this evaluation board, and how to make these two pins output SPMI signals, such as a sleep SPMI command to a slave. Thanks, Jianlin
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LP87644Q1EVM: restore the NVM with EEPROM unlock fail state

    YongJu Won
    YongJu Won
    Resolved
    Part Number: LP87644Q1EVM Other Parts Discussed in Thread: LP8764-Q1 Hello. I am conducting PMIC SPMI related tests using LP87644Q1EVM. I updated the NVM configuration to verify SPMI bus behavior during the test. At this time, the locking option…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LP87644Q1EVM: Getting actual voltage from VMON1

    Zareef Huq
    Zareef Huq
    Resolved
    Part Number: LP87644Q1EVM Hello, I'm trying to read what VMON1 is seeing using the Scalable PMICs GUI. It is getting input through GPIO7 and it was configured by someone from TI. It's set to read between 0.3V and 3.3V, and I'm putting in 3.3V. I'm…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LP87644Q1EVM: EVM won't enable bucks & performs orderly and immediate shutdowns

    Zareef Huq
    Zareef Huq
    TI Thinks Resolved
    Part Number: LP87644Q1EVM Hello, I have an LP8764 EVM I was working on and I accidentally shorted the switch node for Buck 3 and the output side of C6 while trying to probe the switch node, and the EVM stopped working properly. EN_DRV never goes high…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LP87644Q1EVM: LP8764x Evaluation Module Design Files

    Ltech
    Ltech
    Resolved
    Part Number: LP87644Q1EVM Dear Support, Would it be possible to provide the Altium design files for the LP8764x Evaluation Module? Thanks, Lauri
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LP87644Q1EVM: LP8764x Evaluation Module Unable to Program

    Ltech
    Ltech
    Resolved
    Part Number: LP87644Q1EVM Dear Support, After the first programming of the device (I made sure not to lock the EEPROM) now when the device starts, it reports: SEVERE_ERR_INT and FSM_ERR_INT errors. The rails have outputs and I can read all the registers…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LP8764-Q1: I2C issues with custom PCB

    Nicholas Sandoval
    Nicholas Sandoval
    Part Number: LP8764-Q1 Other Parts Discussed in Thread: LP87644Q1EVM I have a custom PCB that uses an LP876441B1RQKRQ1 and PIC to control it via I2C. The code has been tested with the LP87644Q1EVM and a PIC dev kit and there wasn't an issue enabling and…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP8764-Q1: Programming NVM over I2C

    Gertjan Maenhout
    Gertjan Maenhout
    Part Number: LP8764-Q1 Other Parts Discussed in Thread: LP87644Q1EVM Dear, We have a LP876411B4RQKRQ1 on a custom PCB. To operate it properly, we would like to change the NVM through I2C as asked before ( link ). Normally, this should work with any…
    • over 1 year ago
    • Power management
    • Power management forum
>

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