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Pwm driver circuit for stepper motor6/11/2023 ![]() High Current DC Outputs (each channel, without heat sink, T A = 0 to 70 ☌)Ĩ open-drain current sinking outputs at up to 5 A each (limited to user-configured current-sensing full scale) It allows interfacing the 9S12/HCS12 MCU's PWM outputs to high current loads. The PWM Driver Wildcard is ideal for instrumentation of large load devices which do not provide their own "variable" control. ![]() However, you can also use this board as a high-current PWM amplifier/driver or solid-state switch array for PIC and Arduino microcontrollers as described here. It connects directly to the field headers on Mosaic's PDQ Board to be driven by the logic-level PWM outputs of the PDQ Board's 9S12/ HCS12 MCU, and optionally provides current monitoring using the processor's built-in analog to digital converter ( ADC). ![]() The PWM Driver Wildcard does not create PWM signals itself, but converts logic-level PWM signals into high-current capability. The PWM Driver Wildcard contains eight MOSFET PWM (Pulse Width Modulation) low-side drivers which convert logic-level PWM outputs to the high current drive required of solenoids, actuators, heaters, coils, lamps, control valves, motors and other devices.
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