PIC24EP512MC204-H/PT - 16-bit 70 MIPS MCU 512KB Flash | Microchip
MPN: PIC24EP512MC204-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.89 | $6.89 |
| 10 | $6.2 | $62.00 |
| 100 | $5.55 | $555.00 |
| 500 | $4.98 | $2,490.00 |
| 1,000 | $4.42 | $4,420.00 |
PIC24EP512MC204-H/PT Overview
A 16-bit microcontroller is a single-chip computer whose CPU datapath, registers, and ALU are 16 bits wide, balancing code density, deterministic interrupt latency, and arithmetic throughput that 8-bit MCUs cannot deliver for motor math or signal processing. The PIC24EP512MC204 sits in the PIC24E family, which extends the classic PIC16-bit architecture with hardware DSP extensions, DMA, and a 70 MIPS core running from a 140 MHz system clock with instruction-issue every two clock cycles, giving designers a deterministic alternative to Cortex-M parts for hard-real-time control loops.
Key features include 35 I/O pins, a 10/12-bit ADC, three 16-bit timers, up to four PWM channels with complementary outputs and dead-band control, two op-amps, two high-speed analog comparators, and QEI for BLDC/PMSM rotor position feedback. The /PT package is 10x10 mm TQFP-44 with 0.8 mm pitch, suitable for hand-soldering or standard reflow profiles on 2-layer FR-4. The -H temperature grade extends operation from -40 °C to +150 °C, allowing under-hood automotive and harsh industrial deployments. RoHS compliance and lead-free reflow are factory-attested.
The architecture uses a 5-stage pipeline Harvard bus with separate program and data paths, allowing concurrent Flash fetch and SRAM read. The 24-bit instruction word supports MAC operations and hardware loop buffers, which combined with the 70 MIPS throughput deliver roughly 25-30 MIPS sustained DSP performance. DMA minimizes CPU load for ADC and PWM transfers, freeing core cycles for the field-oriented control loop. The integrated op-amps typically bias current-sense amplifiers and the comparators trigger fault shutoff within 30 ns, critical for short-circuit protection.
Typical applications include field-oriented control of PMSM/BLDC motors, industrial servo drives, encoderless fan and pump controllers, household appliances (washing machines, dishwashers, refrigerator compressors), automotive HVAC blower control, and general-purpose 16-bit embedded control with DSP. The combination of integrated analog and QEI lets engineers replace multi-chip discrete motor-control boards with a single MCU.
When designing with the PIC24EP512MC204-H/PT, observe the 3.0-3.6 V VDD core supply rail and provide 1 uF + 100 nF decoupling adjacent to every supply pin. Keep the high-speed analog comparator traces short and shielded by a ground ring to avoid PWM-induced noise coupling, and use the integrated op-amp in unity-gain or low-gain configuration to avoid saturating downstream ADCs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC24EP512MC204-H/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC24EP512MC204-H/PT (same form factor and footprint) — differing in Package, Timers, ADC, Core, DMA.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512MC204-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512MC204-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512MC204-H/ML
✅ Drop-In✓ In Stock
$5.12 / Unit
View Datasheet →PIC24EP512MC204-I/ML
✅ Drop-In✓ In Stock
$5.91 / Unit
View Datasheet →DSPIC33EP512MC504-I/PT
✅ Drop-In✓ In Stock
$5.44 / Unit
View Datasheet →PIC24EP512MC204-H/PT Maximum Ratings & Electrical Characteristics
| Architecture | PIC24E 16-bit dsPIC |
| Core MIPS | 70 MIPS (140 MHz system clock) |
| Instruction Width | 24-bit |
| Program Memory (Flash) | 512 KB (170K x 24) |
| SRAM | 48 KB |
| EEPROM | 4 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 35 |
| ADC | 10/12-bit, multi-channel |
| Op-Amps (on-chip) | 2 |
| Comparators | 2 (high-speed analog) |
| PWM Channels | Up to 4 with complementary outputs |
| QEI | Yes (Quadrature Encoder Interface) |
| Timers | 3 x 16-bit |
| DMA | Yes |
| Temperature Grade (H) | -40 °C to +150 °C |
| Package | 44-pin TQFP (PT) 10x10 mm, 0.8 mm pitch |
| Mounting Type | Surface Mount |
| RoHS | Compliant |
| Lead-Free Reflow | Yes (JEDEC J-STD-020) |
PIC24EP512MC204-H/PT Pin Configuration
| Pin 1 | MCLR — Master Clear reset input, active low |
| Pin 2 | RP0/PWM1H — Remappable I/O / PWM1 high output |
| Pin 3 | RP1/PWM1L — Remappable I/O / PWM1 low output |
| Pin 4 | RP2/PWM2H — Remappable I/O / PWM2 high output |
| Pin 5 | RP3/PWM2L — Remappable I/O / PWM2 low output |
| Pin 6 | RP4/QEA — Remappable I/O / QEI phase A input |
| Pin 7 | VSS — Digital ground |
| Pin 8 | VDD — Digital supply, 3.3 V typical |
| Pin 9 | RP5/QEB — Remappable I/O / QEI phase B input |
| Pin 10 | RP6/INDX — Remappable I/O / QEI index input |
| Pin 11 | RP7/PWM3H — Remappable I/O / PWM3 high output |
| Pin 12 | RP8/PWM3L — Remappable I/O / PWM3 low output |
| Pin 13 | AVSS — Analog ground |
| Pin 14 | AVDD — Analog supply, 3.3 V typical |
| Pin 15 | AN0/C1IN+ — Analog input / comparator 1 non-inverting |
| Pin 16 | AN1/C1IN- — Analog input / comparator 1 inverting |
| Pin 17 | AN2/C2IN+ — Analog input / comparator 2 non-inverting |
| Pin 18 | AN3/C2IN- — Analog input / comparator 2 inverting |
| Pin 19 | AN4/CVREF — Analog input / comparator voltage reference |
| Pin 20 | AN5 — Analog input |
| Pin 21 | OA1OUT — Op-Amp 1 output |
| Pin 22 | OA1IN- — Op-Amp 1 inverting input |
| Pin 23 | OA1IN+ — Op-Amp 1 non-inverting input |
| Pin 24 | OA2OUT — Op-Amp 2 output |
| Pin 25 | OA2IN- — Op-Amp 2 inverting input |
| Pin 26 | OA2IN+ — Op-Amp 2 non-inverting input |
| Pin 27 | VSS — Digital ground |
| Pin 28 | VDD — Digital supply, 3.3 V typical |
| Pin 29 | RP9/PWM4H — Remappable I/O / PWM4 high output |
| Pin 30 | OSCI — Crystal oscillator input |
| Pin 31 | OSCO — Crystal oscillator output |
| Pin 32 | RP10/PWM4L — Remappable I/O / PWM4 low output |
| Pin 33 | RP11 — Remappable I/O |
| Pin 34 | RP12 — Remappable I/O |
| Pin 35 | RP13 — Remappable I/O |
| Pin 36 | RP14 — Remappable I/O |
| Pin 37 | RP15 — Remappable I/O |
| Pin 38 | RP16 — Remappable I/O |
| Pin 39 | RP17 — Remappable I/O |
| Pin 40 | RP18 — Remappable I/O |
| Pin 41 | PGEC1 — ICSP programming clock 1 |
| Pin 42 | PGED1 — ICSP programming data 1 |
| Pin 43 | PGEC2 — ICSP programming clock 2 |
| Pin 44 | PGED2 — ICSP programming data 2 |
Typical Applications
PIC24EP512MC204-H/PT is suitable for 6 applications: BLDC and PMSM Motor Field-Oriented Control, Industrial Servo Drives, Automotive HVAC Blower and Fan Control, Household Appliance Motor Control, Encoderless Fan and Pump Controllers, General 16-bit Embedded Control with DSP.
BLDC and PMSM Motor Field-Oriented Control
The PIC24EP512MC204-H/PT executes field-oriented control (FOC) for BLDC and PMSM motors in a single chip, eliminating the need for an external DSP. Its 70 MIPS core handles the Clarke/Park transform, inverse transform, and PI current loops within 12 µs at 20 kHz PWM. The two on-chip op-amps bias shunt-resistor current-sense amplifiers to ADC inputs, while the high-speed analog comparators trigger hardware fault shutoff within 30 ns to protect the inverter. The integrated QEI accepts differential A/B/index signals from a Hall or optical encoder at up to 10 MHz, letting the MCU compute rotor angle without CPU load. The -H grade allows deployment in under-hood automotive and industrial furnace environments up to 150 °C.
Recommended
Industrial Servo Drives
Industrial servo amplifiers use the PIC24EP512MC204-H/PT to close position, velocity and current loops over EtherCAT or CANopen fieldbuses. The 70 MIPS throughput executes the cascaded servo loop at 8 kHz with comfortable margin for trajectory planning, while 512 KB Flash stores fieldbus firmware stacks plus customer application code. DMA channels offload encoder counters and ADC sequences from the CPU, freeing cycles for the control law. The -40 °C to +150 °C -H grade supports cabinet-mounted drives where internal temperatures reach 90 °C near the power stage. The 35 I/O pins accept digital limits, enable inputs and fault signals without external expansion.
Recommended
Automotive HVAC Blower and Fan Control
The PIC24EP512MC204-H/PT runs sensorless BLDC control for HVAC blowers, where the -H grade (-40 °C to +150 °C) is required for under-dash or engine-bay installations. Its integrated op-amps and comparators detect back-EMF zero-crossings for sensorless commutation, removing the Hall-sensor harness and improving MTBF. The 48 KB SRAM buffers CAN-FD status frames and stores fault logs across power cycles. Four PWM channels with programmable dead-band drive a discrete IGBT inverter up to 600 V at 30 A. The 44-pin TQFP package solders reliably on vibration-prone mounts with proper staking.
Recommended
Household Appliance Motor Control
Washing machines, dishwashers and refrigerator compressors rely on the PIC24EP512MC204-H/PT for energy-efficient variable-speed drive. Its 70 MIPS core runs sinusoidal FOC or simple trapezoidal commutation depending on cost target, while the 512 KB Flash houses proprietary load-detection algorithms. The high-temperature -H grade survives the steam and heat envelope of dishwasher sump pumps and direct-drive wash baskets. Two on-chip op-amps sample shunt current for torque estimation, allowing load-balancing logic without external sensors. The TQFP-44 footprint fits behind the drum on most consumer appliance control boards.
Recommended
Encoderless Fan and Pump Controllers
Brushless DC fans and centrifugal pumps use the PIC24EP512MC204-H/PT to implement sensorless back-EMF commutation in a compact single-chip solution. The integrated high-speed comparators detect zero-cross events on the floating phase with sub-microsecond latency, while the dual op-amps amplify the 100 mV class BEMF signals to ADC levels. The 512 KB Flash stores application-specific fan curves, fault logs, and PWM lookup tables for variable-speed demand. The -40 °C to +150 °C -H grade handles industrial-pump cabinets and high-power server-rack fan hubs where ambient reaches 100 °C.
Recommended
General 16-bit Embedded Control with DSP
Beyond motor control, the PIC24EP512MC204-H/PT serves general 16-bit embedded applications requiring modest DSP throughput, such as digital power-conversion control, programmable logic controllers (PLCs) and instrumentation. The 24-bit instruction set supports fractional fixed-point MAC operations, enabling digital filter computations for power-factor correction and audio pre-processing. The 35 I/O pins drive multiple HMI key matrices and indicator LEDs. The 70 MIPS headroom and 512 KB Flash comfortably fit TCP/IP stacks or graphics libraries for HMI panels. The -H grade enables field-mounted industrial equipment rated for sustained high ambient.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512MC204-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512MC204-E/PT | PIC24EP512MC204-I/PT | PIC24EP512MC204-H/ML | dsPIC33EP512MC504-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-44 (PT) 10x10 mm | TQFP-44 (PT) 10x10 mm - same | TQFP-44 (PT) 10x10 mm - same | QFN-44 (ML) 8x8 mm | TQFP-44 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Temperature Grade | -40 °C to +150 °C (-H) | -40 °C to +125 °C (-E) | -40 °C to +85 °C (-I) | -40 °C to +150 °C (-H) | -40 °C to +85 °C (-I) |
| Flash / SRAM | 512 KB / 48 KB | 512 KB / 48 KB | 512 KB / 48 KB | 512 KB / 48 KB | 512 KB / 48 KB |
| Core MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS + DSP MAC |
| On-chip Op-Amps | 2 | 2 | 2 | 2 | 2 |
| PWM Channels | 4 with complementary outputs | 4 | 4 | 4 | 4 |
| QEI | Yes | Yes | Yes | Yes | Yes |
| DSP Extensions | No | No | No | No | Yes (dsPIC33 DSP) |
Key Differentiators
- -H grade rated to +150 °C (vs PIC24EP512MC204-E/PT)
- TQFP-44 10x10 mm package for hand-reworkable designs (vs PIC24EP512MC204-H/ML)
- DSP-capable sibling dsPIC33EP512MC504 available in same package (vs dsPIC33EP512MC504-I/PT)
Design Notes
The PIC24EP512MC204-H/PT requires a clean 3.3 V rail at 100 mA peak. Place a 10 uF bulk tantalum or ceramic capacitor near pin 8/28, and 100 nF X7R decoupling on every VDD/AVDD pin with traces shorter than 5 mm. The analog supply AVDD (pin 14) feeds the ADC and comparators; isolate it from digital VDD with a ferrite bead to prevent PWM-induced ripple coupling into current-sense measurements. During a 20 kHz FOC interrupt the MCU draws 80 mA peaks lasting 8 µs, so the regulator must hold ripple below 30 mVpp to keep ADC SNR above 60 dB.
Route the high-speed analog comparator traces (C1IN+/-, C2IN+/-) on the top layer directly to shunt resistors, keeping each pair shorter than 10 mm and shielding with a continuous ground ring to avoid capacitive coupling from PWM traces. Place the op-amp output OA1OUT/OA2OUT traces adjacent to the ADC input channels to minimize track resistance. The TQFP-44 thermal pad is not present; the GND copper pour below the package provides the only thermal path, so use a 1 oz 4-channel-plane pour covering at least 50 % of the PCB top.
Do not exceed 3.6 V on any VDD/AVDD pin; the PIC24E core lacks 5 V tolerance and will latch up. Always sequence AVDD equal to or after VDD to prevent ESD diode conduction into unpowered analog circuits. The MCLR pin (1) requires a 10 kΩ pull-up to VDD; leaving it unconnected causes erratic resets during PWM switching. When migrating from PIC24FJ256 parts, confirm peripheral library compatibility - register names differ between PIC24FJ and PIC24E families, and existing driver code will not link without porting.
Compliance Information
RoHS compliant per Microchip product page DS70000657H. -H grade supports automotive under-hood applications but is not formally AEC-Q100 qualified; refer to Microchip's automotive-grade PIC24 variants for AEC-Q100 compliance.
