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  • UC2625-EP: Gate driver IC along with integrated MOSFETs for UC2625-EP

    TI Thinks Resolved
    Part Number: UC2625-EP Tool/software: Hello, We are using UC2625MDWREP as a commutation chip which generates gate pulses for High side and low side outputs for controlling three phase BLDC Motor. With UC2625MDWREP , max 20V motor can be directly connected…

  • RE: UC2625-EP: BLDC motor RPM Variation issue

    Hi Anthony, Thanks for the response. The RT and CT values were modified in the working board to 80.6k ohms and 10nF. The RPM decreased in a similar trend to that of non working board & will not work for our application and details as follows:- Required…

  • UC2625-EP: Temperature effect on UC2625-EP

    TI Thinks Resolved
    Part Number: UC2625-EP Other Parts Discussed in Thread: UC2625 , The circuit follows Voltage control mode of UC2625. The RPM of the motor keeps increasing over a period of time from the desired RPM. lets say intented RPM is 4900 but after a duration of…

  • UC2625-EP: Acceleration/Torque Control of BLDC motor

    TI Thinks Resolved
    Part Number: UC2625-EP Hi The circuit follows Voltage control mode of UC2625-EP. How to control the acceleration rate of the motor in Voltage control mode. For our end application, the torque or acceleration of the motor has to be reduced for the same…
    • Answered

  • RE: UC2625-EP: UC2625-EP: Single Event Test Report

    Resolved
    Hi Jan, I apologize as I had a misunderstanding, UC2625- EP is an enhanced product, not a space product (SP) or space-enhanced product (SEP). We only provide radiation data for SEP and SP products. This product does not have available preliminary data for…

  • UC2625-EP: Transitions per rotation, computation, etc.

    TI Thinks Resolved
    Part Number: UC2625-EP Hi Experts, Asking assistance and clarification on these queries: UC2625-EP: UC2625-EP Application In the example from the link above, they're stating that 16krpm Mech equals 62.5uS per rotation. How is this value calculated…
    • Answered

  • UC2625-EP: UC2625-EP Application

    Resolved
    Part Number: UC2625-EP Reviewing a legacy product with UC2625-EP. New to motor control and currently have no hardware to verify the following which is why I am requesting verification of the interpretation of Data Sheet and U-115 app note. BLDC Motor…
    • Resolved

  • UC2625-EP: Issues with operation at extreme cold temperature range.

    Part Number: UC2625-EP I am utilizing the UC2625-EP device that is rated to operate down to -55C. This only happens at extremely low temperatures between -45 to -55C. I am experiencing issues with the 5V, V Ref Signal, taking a dip in voltage from 5V…
    • Answered

  • UC2625-EP: UC2625-EP General Questions, 2nd attempt to post

    Resolved
    Part Number: UC2625-EP UC2625-EP 1) Would like to verify, the RC Oscillator 1-2 cycle dead time is only applied at HALL SENSORS transitions 2) Configured for four quadrant PWM , voltage control scheme, EA unity configured, EA+ control voltage with current…
    • Resolved

  • UC2625-EP: High-Side driver Mosfets damaged at peak current command

    Part Number: UC2625-EP Other Parts Discussed in Thread: UC2625 Using the Figure 9 (datasheet) setup for a fast high-side p-channel driver UC2625 settings: PWM: 200kHz Period: 7us Current command (To pin 1): 3.0V Motor V: 36V Rsense: 10mOhm Issue: Lose…

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