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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fmct8315z”>View Datasheet
Texas Instruments MCT8315Z 3-Phase BLDC Motor Driver provides a single-chip, sensored, code-free trapezoidal solution for customers driving 12V/24V brushless-DC motors. There is no external microcontroller needed to spin the BLDC motor. The MCT8315Z integrates three 1/2-bridges with 40V absolute maximum capability and a low RDS(ON) of 275mΩ (HS+ LS) to enable high-power drive capability. The integrated current limiting feature limits motor currents during start-up or high-load conditions while eliminating the need for external sense resistors. MCT8315Z provides an output voltage adjustable buck regulator and an LDO that can be used to power external circuits. MCT8315Z integrates three analog hall comparators for position sensing to achieve sensored trapezoidal BLDC motor control. The control scheme is highly configurable through register settings or hardware pins ranging from motor current limiting behavior to advance angle. The speed can be controlled through a PWM input.
Several protection features are included, like supply undervoltage lockout (UVLO), overvoltage protection (OVP), charge pump undervoltage (CPUV), and overcurrent protection (OCP). The Texas Instruments MCT8315Z also includes over-temperature warning (OTW) and over-temperature shutdown (TSD) protection features to protect the device, system, and motor against fault events. Fault conditions are indicated by the nFAULT pin.
