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Showing 11 results View by: Thread Post Sort by
  • DRV8145-Q1: Possibility to use as a Peltier Driver

    Takuchi
    Takuchi
    TI Thinks Resolved
    Part Number: DRV8145-Q1 Other Parts Discussed in Thread: DRV8706-Q1 Hello, I am looking into options to fully drive this Peltier element rated at 128.7W, 13.1A, 15.7V (link: https://de.rs-online.com/web/p/peltiermodule/4901402 ). Is is possible to use this…
    • 1 month ago
    • Motor drivers
    • Motor drivers forum
  • DRV8145-Q1: IPROP 20kHz PWM current waveform

    Mike Score
    Mike Score
    Part Number: DRV8145-Q1 We are using 20kHz PWM with the DRV8145. They need to see how the triangle current waveform would look with the DRV8145 operating at a 20kHz PWM. They want to make sure that they are catching the peaks and not bandwidth limited…
    • 3 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • Solenoid control board and current adjustment without microcontroller

    Jorge Kahwati
    Jorge Kahwati
    Resolved
    Other Parts Discussed in Thread: DRV8144-Q1 , DRV8145-Q1 Hi everyone, I need help about a design to control a selenoid (half-bridge) but the critical point is the junction temperature; -40 to 170ºc.I was looking at DRV8144-Q1 but it works until 125 ºC…
    • Resolved
    • 8 days ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • RE: DRV8873H-Q1EVM: LC filter for driving Peltier element

    Shinya Morita
    Shinya Morita
    Resolved
    Hi Thai, Let me jump in this discussion since Ryan is OoO this week. How long 13.1A current is flowing? If it is ~0.1sec range, DRV8245-Q1(full bridge) should be good one. If it is ~10sec range, DRV8145-Q1(Half bridge)x 2pcs could be solution. We have…
    • 2 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8705-Q1: Current output 20kHz PWM current waveform

    Mike Score
    Mike Score
    Part Number: DRV8705-Q1 Other Parts Discussed in Thread: DRV8145-Q1 Using DRV8705-Q1 with current monitoring at the higher end of the gain range. Need a current waveform when operating the DRV8705-Q1 at 20kHz to make sure that we are catching the peak…
    • 3 months ago
    • Motor drivers
    • Motor drivers forum
  • RE: DRV8245-Q1: the cooling solution of locked rotor current.

    Hale Tan
    Hale Tan
    The requirement for 30A, 500ms is proposed for locked rotor current. They need to leave some margin. So they hope that t he requirement for Driving current 40A , 400ms is acceptable for DRV8145-Q1. And we need to confirm with you if DRV8145-Q1 can stand 40A…
    • 3 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • [FAQ] DRV8143/44/45-Q1. 20-40us nSleep pulse input requirement for H-Variant

    Shinya Morita
    Shinya Morita
    Resolved
    Other Parts Discussed in Thread: DRV8143-Q1 , DRV8145-Q1 , DRV8144-Q1 DRV8143-Q1, DRV8144-Q1, DRV8145-Q1 has H-Variant. In H-Variant(HW interface), nSLEEP pin requires external pulse input. It should be 20us-40us pulse to wake the parts. 20us-40us is MUST…
    • Resolved
    • 5 months ago
    • Motor drivers
    • Motor drivers forum
  • RE: DRV8144-Q1: DRV8144-Q1 - Slew rate / Rth JA

    Shinya Morita
    Shinya Morita
    Hi, Thank you for your questions. I recommend to use thermal estimator on TI.com for this activity. It includes worst case assumption including slew rate and Rdson. www.ti.com/.../DRV8145-Q1 Then chose worst case. We do not have SPEC for min/max slew…
    • 4 months ago
    • Motor drivers
    • Motor drivers forum
  • RE: Power dissipation calculation of H-Bridge

    Shinya Morita
    Shinya Morita
    Hi, Thank you for your feedback. regarding No 1, total duration could be more important than number of pulses. If 15.9A peak sinewave period is less than 180ms, looks OK with Ta=85C. However under Ta=105C condition, looks marginal with DRV8144-Q1. It…
    • 5 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8718-Q1: The comparison between integrated H-bridge and pre-driver

    Lanxi Li
    Lanxi Li
    TI Thinks Resolved
    Part Number: DRV8718-Q1 Other Parts Discussed in Thread: DRV8145-Q1 , DRV8705-Q1 Hello team, About the integrated H-bridge and pre-driver(without MOS), in addition to the current ability, I want to know the comparison between integrated H-bridge and pre…
    • over 1 year ago
    • Motor drivers
    • Motor drivers forum
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