PIC24EP128MC204-E/MV - 16-bit 70MIPS 128KB Flash MCU | Microchip
MPN: PIC24EP128MC204-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.94 | $1,470.00 |
| 1,000 | $2.61 | $2,610.00 |
PIC24EP128MC204-E/MV Overview
A 16-bit microcontroller (MCU) is an integrated circuit containing a 16-bit CPU core, on-chip program and data memory, and a rich set of peripheral interfaces (timers, ADC, communication buses, PWM). Within the embedded hierarchy it sits between 8-bit MCUs (PIC10/12/16/18, 8051) and 32-bit MCUs (ARM Cortex-M, PIC32); the 16-bit PIC24 family targets applications that need more compute, larger memories, and DSP-class peripherals than 8-bit parts can offer but do not yet require a 32-bit core. PIC24E sub-family parts add hardware multiply/divide, single-cycle MAC, and 70 MIPS throughput.
Key features include the Motor Control PWM module with up to 14 PWM outputs (including complementary pairs with programmable dead time), a 10-bit 1.1 Msps ADC with up to 13 analog channels, four 16-bit timers, two UART/SPI/I2C modules, and a Peripheral Trigger Generator (PTG) for offloading CPU-driven sequencing. The advanced PWM makes it well-suited to driving three-phase inverters for BLDC, PMSM, and ACIM motors without external gate-driver logic.
The PIC24EP core combines a Harvard architecture with a 24-bit instruction word and a 16-bit data path, achieving single-cycle MAC and hardware saturating arithmetic useful for sensorless motor-control loops and digital filter implementations. The high-resolution PWM combined with the 10-bit ADC allows precise field-oriented control (FOC) of brushless motors, while the PTG and DMA engine reduce CPU load in multi-axis or repetitive switching topologies.
Typical applications include BLDC and PMSM motor controllers (drone ESCs, e-bikes, appliance pumps, HVAC fans), industrial variable-frequency drives (VFDs), digital power conversion, solar micro-inverters, and general-purpose 16-bit embedded control. The extended temperature range and 5V-tolerant I/O suit harsh industrial environments.
When designing with the PIC24EP128MC204-E/MV, allocate the 6x6 UQFN land pattern with a thermal pad for the exposed die-attach paddle. Plan pin-out for your analog/digital split because the 13 ADC inputs share I/O with digital functions. The PTG peripheral can chain ADC, PWM, and comparator events to offload the CPU during fault handling.
Drop-in alternatives for PIC24EP128MC204-E/MV — 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 PIC24EP128MC204-E/MV (same form factor and footprint) — differing in ADC, Package, Analog Comparators, Operating Temperature, CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP128MC204-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP128MC204T-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP256MC204-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP64MC204-E/MV
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC24EP128MC204-E/ML
✅ Drop-In✓ In Stock
$5.08 / Unit
View Datasheet →PIC24EP128MC204-E/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit PIC24EP (PIC24E enhanced) |
| Maximum CPU Speed | 70 MIPS (60 MIPs commercial, 70 MIPS extended) |
| Program Flash Memory | 128 KB (43K x 24 instruction words) |
| RAM | 16 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Package | 48-UQFN (6x6 mm) |
| Pin Count | 48 |
| Operating Temperature | -40C to +125C (extended, 'E' grade) |
| ADC | 10-bit, up to 1.1 Msps, up to 13 channels |
| PWM Outputs | 14 PWM channels (Motor Control PWM with complementary outputs) |
| Timers | 4 x 16-bit timers |
| Communication Interfaces | 2x UART/SPI/I2C (remappable) |
| DMA Channels | 8 channels |
| Peripheral Trigger Generator | Yes (PTG) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24EP128MC204-E/MV Pin Configuration
| Pin 1 | OSC1/CLKI/RC12 — Crystal oscillator input or external clock / I/O port RC12 |
| Pin 2 | OSC2/CLKO/RC15 — Crystal oscillator output or clock out / I/O port RC15 |
| Pin 3 | PGEC1/AN0/RB0 — ICSP clock / analog input 0 / I/O port RB0 |
| Pin 4 | PGED1/AN1/RB1 — ICSP data / analog input 1 / I/O port RB1 |
| Pin 5 | AN2/RB2 — Analog input 2 / I/O port RB2 |
| Pin 6 | AN3/RB3 — Analog input 3 / I/O port RB3 |
| Pin 7 | AN4/RB4 — Analog input 4 / I/O port RB4 |
| Pin 8 | AN5/RB5 — Analog input 5 / I/O port RB5 |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — Positive supply (3.0V to 3.6V) |
| Pin 11 | PWM1L/RE0 — PWM1 low-side output / I/O port RE0 |
| Pin 12 | PWM1H/RE1 — PWM1 high-side output / I/O port RE1 |
| Pin 13 | PWM2L/RE2 — PWM2 low-side output / I/O port RE2 |
| Pin 14 | PWM2H/RE3 — PWM2 high-side output / I/O port RE3 |
| Pin 15 | PWM3L/RE4 — PWM3 low-side output / I/O port RE4 |
| Pin 16 | PWM3H/RE5 — PWM3 high-side output / I/O port RE5 |
| Pin 17 | RF0 — I/O port RF0 |
| Pin 18 | RF1 — I/O port RF1 |
| Pin 19 | SDA1/RG3 — I2C1 data / I/O port RG3 |
| Pin 20 | SCL1/RG2 — I2C1 clock / I/O port RG2 |
| Pin 21 | RG9/SS1 — SPI1 slave select / I/O port RG9 |
| Pin 22 | RG8/SDO1 — SPI1 data out / I/O port RG8 |
| Pin 23 | RG7/SDI1 — SPI1 data in / I/O port RG7 |
| Pin 24 | RG6/SCK1 — SPI1 clock / I/O port RG6 |
| Pin 25 | VSS — Ground reference |
| Pin 26 | VDD — Positive supply (3.0V to 3.6V) |
| Pin 27 | RC1 — I/O port RC1 |
| Pin 28 | RC2 — I/O port RC2 |
| Pin 29 | RC3 — I/O port RC3 |
| Pin 30 | RC4 — I/O port RC4 |
| Pin 31 | INT0/RD8 — External interrupt 0 / I/O port RD8 |
| Pin 32 | RD9 — I/O port RD9 |
| Pin 33 | RD10 — I/O port RD10 |
| Pin 34 | RD11 — I/O port RD11 |
| Pin 35 | RD0 — I/O port RD0 |
| Pin 36 | RD1 — I/O port RD1 |
| Pin 37 | U1TX/RF3 — UART1 transmit / I/O port RF3 |
| Pin 38 | U1RX/RF2 — UART1 receive / I/O port RF2 |
| Pin 39 | U2TX/RF5 — UART2 transmit / I/O port RF5 |
| Pin 40 | U2RX/RF4 — UART2 receive / I/O port RF4 |
| Pin 41 | RB6/PGEC2 — I/O port RB6 / alternate ICSP clock |
| Pin 42 | RB7/PGED2 — I/O port RB7 / alternate ICSP data |
| Pin 43 | RB8 — I/O port RB8 |
| Pin 44 | RB9 — I/O port RB9 |
| Pin 45 | RB10 — I/O port RB10 |
| Pin 46 | RB11 — I/O port RB11 |
| Pin 47 | RB12 — I/O port RB12 |
| Pin 48 | RB13 — I/O port RB13 |
| Pin 49 | EP — Exposed thermal pad (connect to VSS) |
Typical Applications
PIC24EP128MC204-E/MV is suitable for 6 applications: Three-Phase BLDC Motor Controller, Appliance Variable-Frequency Drive, Solar Micro-Inverter, Industrial Fan and Pump Controller, Drone Electronic Speed Controller, Digital Switched-Mode Power Supply.
Three-Phase BLDC Motor Controller
The PIC24EP128MC204-E/MV is purpose-built for three-phase brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives. Its Motor Control PWM module delivers up to 14 PWM channels with complementary outputs and programmable dead-time insertion, exactly matching the three half-bridge legs of a standard inverter plus brake and auxiliary channels. The 70 MIPS core executes sensorless field-oriented control (FOC) loops at 20 kHz PWM with comfortable headroom. The 10-bit 1.1 Msps ADC samples phase currents with dual sample-and-hold, while the PTG peripheral chains ADC sampling, PWM reload, and comparator fault inputs to offload the CPU. The extended -40C to +125C temperature range suits under-hood automotive and industrial environments.
Recommended
Appliance Variable-Frequency Drive
In appliance variable-frequency drives (VFDs) for washing machines, refrigerators, dishwashers, and HVAC fans, the PIC24EP128MC204-E/MV provides a single-chip solution that drives the compressor or pump motor while running the user interface. The Motor Control PWM, ADC, and PTG together handle sensorless or sensored commutation at high efficiency, reducing energy consumption compared to fixed-speed induction motor designs. The 128 KB Flash accommodates complex state machines and soft-start profiles, while 16 KB RAM holds sensor tables and control variables. The 48-UQFN footprint allows the entire motor-control PCB to fit inside the appliance housing, and the extended temperature range tolerates the elevated ambient inside an enclosed compressor bay.
Recommended
Solar Micro-Inverter
The PIC24EP128MC204-E/MV drives the DC-AC converter stage in a single-panel solar micro-inverter, performing maximum power point tracking (MPPT) on the DC input and synthesizing a grid-tie AC output. The 14 PWM channels and high-speed ADC enable a full-bridge or HERIC topology with sub-microsecond control. The dsPIC-class MAC throughput supports on-chip digital control loops for current and voltage regulation at 50-60 Hz line frequency. The PTG offloads repetitive MPPT scans, while the DMA engine transfers ADC samples without CPU intervention. The -40C to +125C grade handles outdoor rooftop thermal stress, and the small UQFN package keeps the inverter size at panel-mounting scale.
Recommended
Industrial Fan and Pump Controller
Industrial HVAC fans, water circulation pumps, and process cooling blowers benefit from the PIC24EP128MC204-E/MV's combination of analog peripherals and PWM resolution. The Motor Control PWM drives a 3-phase induction or BLDC motor with sinusoidal commutation, while the ADC reads 4-20 mA process variable inputs and onboard temperature. The 16-bit timers and quadrature encoder interface support closed-loop speed control against an external reference, and the dual UART modules connect to RS-485 Modbus or CAN for plant-wide SCADA integration. The -40C to +125C operating range and industrial-grade ESD performance suit 24V factory-floor installations.
Recommended
Drone Electronic Speed Controller
In multi-rotor drone electronic speed controllers (ESCs), the PIC24EP128MC204-E/MV drives four (or more) BLDC motor phases from a flight controller command stream. The 14-channel PWM peripheral supports four 3-phase inverters in a single MCU, the 70 MIPS core runs fast sinusoidal or FOC commutation at 24-48 kHz, and the small 6x6 mm UQFN footprint is critical for weight-constrained airframes. The extended temperature grade handles ESC heat soak at hover and full throttle, while the DMA and PTG reduce CPU load so the firmware can also implement active braking and current limiting for propeller safety.
Recommended
Digital Switched-Mode Power Supply
Beyond motor control, the PIC24EP128MC204-E/MV is a competent digital controller for high-frequency switched-mode power supplies (SMPS) such as totem-pole PFC, LLC resonant converters, and phase-shifted full-bridges. The high-resolution PWM, 1.1 Msps ADC, and DSP-class MAC throughput execute average-current-mode control, peak current mode, and input voltage feed-forward on-chip. The PTG peripheral chains the ADC sampling, PWM reload, and protection comparator trip events into deterministic state machines, reducing interrupt latency for fault response. Two UART/SPI/I2C modules provide PMBus or UART command interfaces for telemetry and configuration.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP128MC204-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP128MC204-I/MV | PIC24EP128MC204T-E/MV | PIC24EP256MC204-E/MV | PIC24EP64MC204-E/MV | PIC24EP128MC204-E/ML |
|---|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 44-QFN (8x8 mm) - same family, fewer pins |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24EP 16-bit @ 70 MIPS | PIC24EP 16-bit @ 70 MIPS | PIC24EP 16-bit @ 70 MIPS | PIC24EP 16-bit @ 70 MIPS | PIC24EP 16-bit @ 70 MIPS | PIC24EP 16-bit @ 70 MIPS |
| Program Flash | 128 KB | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Motor Control PWM | Yes (14 channels) | Yes (14 channels) | Yes (14 channels) | Yes (14 channels) | Yes (14 channels) | Yes (14 channels) |
| ADC | 10-bit 1.1 Msps, 13 ch | 10-bit 1.1 Msps, 13 ch | 10-bit 1.1 Msps, 13 ch | 10-bit 1.1 Msps, 13 ch | 10-bit 1.1 Msps, 13 ch | 10-bit 1.1 Msps, 13 ch |
| Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Voltage Range | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V |
Key Differentiators
- Dedicated Motor Control PWM with 14 channels (vs PIC24EP128GP204-E/MV)
- Extended -40C to +125C temperature grade (vs PIC24EP128MC204-I/MV)
- PTG (Peripheral Trigger Generator) for CPU offload (vs PIC24FJ128GA006-I/PT)
- Compact 48-UQFN footprint vs TQFP alternatives (vs PIC24EP128MC204-E/PT)
Design Notes
The 48-UQFN package has an exposed thermal pad (pin 49, EP) that must be soldered to a grounded copper pour on the top layer with multiple thermal vias stitching to internal ground planes. Without the EP soldered, junction-to-ambient thermal resistance (theta_JA) rises above 100 C/W and the device can throttle or trigger thermal shutdown under high CPU load. Use at least 100 mm^2 of copper on the EP pour for typical 70 MIPS motor-control operation. Estimated: theta_JA ~35 C/W with proper EP soldering and 1 oz copper on a 2-layer board, theta_JA ~25 C/W on a 4-layer board with internal ground plane.
Decouple VDD pins 10 and 26 with 100 nF X7R ceramic capacitors placed within 2 mm of each pin, plus a shared 10 uF bulk capacitor near the MCU. For motor-control applications switching high-current FETs, add a 1 uF X7R on each AVdd/AVss pair (if present) and route analog supply separately from digital VDD to reduce switching noise coupling into the ADC. The PIC24EP128MC204-E/MV draws approximately 50-80 mA at 70 MIPS with all peripherals active; budget 150 mA peak including inrush.
The 6x6 mm UQFN has 0.4 mm pitch leads - use a PCB manufacturing process rated for fine-pitch QFN assembly (laser-cut SMT stencils, 0.1-0.15 mm stencil thickness). For the exposed thermal pad, use a windowed stencil with 4-6 openings of 0.5 mm diameter to ensure proper solder paste release and avoid floating the package. Route the PWM outputs as short 50 ohm controlled-impedance traces away from analog inputs to minimize capacitive coupling that would inject switching noise into current-sense signals.
Do not confuse the PIC24EP128MC204-E/MV (Motor Control) with the PIC24EP128GP204-E/MV (General Purpose) variant - the GP part lacks the dedicated Motor Control PWM module. Also do not exceed 3.6 V on any VDD pin; the PIC24EP core is NOT 5 V tolerant on VDD, although the I/O pins tolerate 5 V input when VDD is in regulation. When programming via ICSP, ensure the PGEC1/PGED1 pair on RB0/RB1 is not loaded by external circuitry during programming - add a 4.7 kohm isolation resistor if necessary.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified by default; contact Microchip for automotive-grade variants. Lead-free and halogen-free packaging.
