Motor Control Microcontroller – Mouser Electronics, Inc., the industry’s leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components™, is now stocking the RX14T motor control microcontrollers (MCUs) from Renesas Electronics. Featuring a 48MHz RXv2 core with floating-point unit (FPU) and digital signal processing (DSP) support, the RX14T MCUs balance cost, functionality, and motor control performance. The RX14T entry-level MCUs are specifically designed for cost-efficient motor control applications, including home appliances, power factor correction (PFC) control, building automation, such as HVAC and water pumps, and power tools and other small-motor market devices.
The Renesas Electronics RX14T MCUs, now at Mouser, feature sensor-less field-oriented control (FOC) for a single motor at a 20kHz carrier frequency (50µs cycle time) with approximately 65% CPU usage. The RX14T MCU Group includes a GPT timer, an integrated MTU3 timer, automatic deadtime insertion for sawtooth PWM, and asymmetric complementary PWM generation. Featuring a program gain amplifier (PGA), a comparator, and a digital-to-analog converter (DAC), the RX14T MCUs reduce the external circuits required for overcurrent detection and motor drive. They also offer dual 12-bit analog-to-digital converters (ADCs) with simultaneous sampling (min 0.5 µs) and up to 11 PWM channels, designed for motor applications. Compatible with the Renesas RX13T and RX23T MCU groups, the RX14T MCUs enable the reuse of existing software and hardware resources and a smooth migration to next-generation designs.
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