PIC24EP512MC204-I/TL
PIC24EP512MC204-I/TL - 16-bit 70MIPS 512KB Flash MCU | Microchip
The Microchip PIC24EP512MC204-I/TL is a 16-bit microcontroller from the PIC24EP motor-control family, featuring a 70 MIPS dsPIC/PIC24 enhanced core, 512 KB Flash, 48 KB RAM, and a 44-pin VTLA package with exposed pad. It integrates motor-control peripherals including three operational amplifiers, three comparators, a Peripheral Trigger Generator (PTG), a Quadrature Encoder Interface (QEI), and enhanced PWM (Motor Control PWM, MCPWM) suitable for advanced field-oriented control of 3-phase brushless DC, PMSM, and AC induction motors.
The PIC24EP MC family is a series of 16-bit microcontrollers optimized for high-performance digital motor control and general-purpose embedded applications. Architecturally, these devices extend Microchip's dsPIC heritage with a modified Harvard bus, single-cycle 16x16 multiply, and deterministic interrupt latency, while integrating application-tuned analog such as on-chip op-amps and high-speed ADCs (10/12-bit, up to ~1.1 Msps). The 'MC' (Motor Control) sub-family specifically adds QEI, MCPWM, and PTG peripherals that offload critical timing from the CPU.
Key features of the PIC24EP512MC204-I/TL include 70 MIPS performance at 3.3 V core supply, 512 KB self-programmable Flash with ECC, 48 KB SRAM, USB 2.0 Full-Speed OTG, CAN 2.0B, four UART, three SPI, two I2C, a 10-bit ADC up to 1.1 Msps with up to 32 input channels, three on-chip op-amps (configurable for current sensing in motor drives), three high-speed comparators for fault/protection, a Quadrature Encoder Interface (QEI), and a Peripheral Trigger Generator (PTG) for hardware-state-machine peripheral orchestration. The industrial -40C to +85C operating range supports harsh-environment deployment.
Typical applications include field-oriented control (FOC) of 3-phase PMSM/BLDC motors, sensorless and sensored motor drives (e.g., drone ESCs, e-bikes, appliance pumps, fans, robotics), industrial servo control, factory-automation inverters, automotive auxiliary pumps and fans, and high-performance general-purpose embedded systems requiring USB and CAN connectivity. The combination of CPU throughput, on-chip op-amps for current shunt conditioning, and PTG-driven peripheral timing makes the part particularly attractive for cost-sensitive FOC drives.
When designing with this part, ensure the exposed pad of the 44-VTLA package is properly soldered to a sufficient copper pour for thermal dissipation, since motor-control firmware typically runs the device near its MIPS ceiling. The Motor Control PWM (MCPWM) outputs should be routed with short, matched traces to the gate-driver inputs; do not place series resistors in the PWM path as they degrade switching edges. The on-chip op-amps must have their negative input pins correctly tied to shunt resistors with Kelvin-sense routing.
This page synthesizes distributor stock and pricing, drop-in pin-compatible alternatives (same 44-VTLA footprint) drawn from Microchip's own PIC24EP/MC family, and practical design notes for FOC firmware teams that are not collected in the manufacturer datasheet.
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