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Frequent questions

  • [FAQ] Oscilloscope Tips and Tricks for Debugging Brushed and Stepper Motors

    Sometimes a picture really is worth a thousand words, such as troubleshooting a motor and motor driver. This post discusses the signals that are the most commonly useful when debugging a running motor, and mentions some of the waveform characteristics…

  • [FAQ] DRV8143/44/45-Q1. 20-40us nSleep pulse input requirement for H-Variant

    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…

  • [FAQ] DRV8243/44/45-Q1. 20-40us nSleep pulse input requirement for H-Variant

    Other Parts Discussed in Thread: DRV8244-Q1 , DRV8243-Q1 , DRV8245-Q1 DRV8243-Q1, DRV8244-Q1, DRV8245-Q1 provides 3 variants- H,S and P. In H-Variant(HW interface), nSLEEP pin requires external pulse input. It should be 20us-40us pulse to wake the parts…

  • [FAQ] Quick Guide to Debugging Common Issues in BLDC motor drivers

    Other Parts Discussed in Thread: DRV8300 Debug of issues vary from situation to situation, but over time you will start to recognize patterns between the common problems. The following are some of the most frequently asked questions and methods for solving…

  • [FAQ] How to estimate die temperature of Stepper Driver?

    Other Parts Discussed in Thread: DRV8434 Author: Murugavel Raju Stepper motor drivers such as the DRV8434 family have integrated H-Bridge drivers for each of the two phases A and B of the stepper motor. The Excel calculator tool “Integrated Stepper Driver…

  • [FAQ] Gate Resistor Calculator for DRV8328/DRV8329

    Other Parts Discussed in Thread: DRV8328 , DRV8329 In the DRV8328 and DRV8329 gate driver devices, the external MOSFET’s drain-to-source voltage (V DS ) slew rate will be dependent on the rate at which the gate of the external MOSFETs is controlled…

  • [FAQ] Debugging faults with Hardware variant devices

    Other Parts Discussed in Thread: DRV8302 , DRV8306 , DRV8328 , DRV8311 , DRV8329 , DRV832X , DRV8323 , DRV8353 When using a Brushless-DC motor driver with a Hardware interface versus a SPI interface, there is a trade-off of having simpler device setting configurations…

  • [FAQ] Automotive door module design options

    Other Parts Discussed in Thread: TLIN1431-Q1 , DRV8714-Q1 , DRV8145-Q1 , LM74700-Q1 , DRV8906-Q1 , DRV8245-Q1 , TPS1HB08-Q1 , ALM2402-Q1 , TCAN1162-Q1 , DRV8243-Q1 , DRV8718-Q1 , DRV8908-Q1 , DRV8910-Q1 Automotive doors are sophisticated systems with many functions…

  • [FAQ] DRV8328: Implementing 3 External CSAs using DRV8328

    Part Number: DRV8328 Other Parts Discussed in Thread: DRV8323 The DRV8328 is a low-cost gate driver optimized for 3-phase BLDC motor driver applications with 1 external shunt resistor and Current Sense Amplifier (CSA). This is because the low-side sources…

  • [FAQ] Integrated Buck Regulators in the 8316 family

    Other Parts Discussed in Thread: DRV8316 , DRV8316REVM , MCT8316Z , MCT8316Z-Q1 , MCF8316A , MCT8316A , DRV8316-Q1 The DRV8316 and MCx8316 families of 3-phase integrated MOSFET BLDC motor drivers include an up to 200-mA adjustable buck regulator capable of outputting…

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