PIC24EP256MC202T-E/SO
PIC24EP256MC202T-E/SO - 16-Bit 60 MIPS 256KB Flash MCU | Microchip
The Microchip PIC24EP256MC202T-E/SO is a 16-bit microcontroller from the PIC24EP motor-control family, delivering 60 MIPS of CPU throughput with 256 KB of Flash program memory and 32 KB of RAM in a 28-pin SOIC package. The 'E' temperature grade extends the operating range from -40C to +125C, and the 'T' suffix denotes tape-and-reel packaging for high-speed SMT assembly. According to the verified distributor listing, the device integrates AEC-Q100 automotive-grade qualification, three on-chip op-amps, four analog comparators, a high-speed PWM module, a quadrature encoder interface, and a peripheral trigger generator tailored for closed-loop motor control.
A 16-bit microcontroller (MCU) is an embedded processor that balances computational throughput with deterministic real-time control. The PIC24E family uses a modified Harvard architecture with a 16-bit data path, 24-bit instruction word, and a hardware DSP engine, occupying the tier between 8-bit MCUs and full 32-bit Cortex-M devices. This class of MCU is widely used in digital-power conversion, BLDC/PMSM motor commutation, sensor-fusion edge nodes, and automotive body controllers where PWM precision, deterministic interrupt latency, and analog integration reduce the bill of materials.
Key features of the PIC24EP256MC202T-E/SO include a 60 MIPS core, 256 KB self-programmable Flash with ECC, 32 KB SRAM, dedicated motor-control PWM with 7.14 ns PWM resolution, three on-chip op-amps usable as current-sense amplifiers, four high-speed analog comparators, a 10/12-bit ADC with up to 1.1 Msps conversion rate, and a USB 2.0 full-speed OTG transceiver. Connectivity options include I2C, SPI, UART/USART, IrDA, LIN, and CAN, simplifying integration with inverter companion, BLDC gate drivers, and isolated communication channels.
The device supports 3.0V-3.6V single-supply operation, has 21 general-purpose I/O pins, and integrates a real-time clock and calendar, a charge-time measurement unit, and a peripheral trigger generator that synchronizes ADC sampling to PWM edges. These peripherals allow single-chip implementation of field-oriented control loops for 3-phase PMSM/BLDC motors without external DSP chips.
Typical applications include automotive HVAC blowers, electric power-steering pumps, BLDC drone ESCs, robotic servos, industrial variable-frequency drives, and high-density fan controllers. The combination of AEC-Q100 grade-1 qualification and integrated analog makes the part particularly attractive for 12V/24V automotive body and chassis subsystems. Compared with ARM Cortex-M0+ alternatives, the PIC24E offers deterministic interrupt latency and on-chip op-amps that reduce external analog components.
When designing with this MCU, allocate at least 4 layers for the 28-SOIC layout to route the high-current motor traces away from sensitive analog inputs. Decouple VDD with 100 nF + 10 uF ceramic capacitors placed within 5 mm of the supply pins, and use a guarded star-ground topology for the op-amp feedback traces to avoid PWM-induced switching noise coupling into current-sense amplifiers.
This page synthesizes Microchip distributor pricing, drop-in alternatives from the PIC24EP family, and design notes derived from the PIC24EP256MC202 datasheet that are not consolidated on a single manufacturer page.
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