PIC24EP128MC204-H/PT - 16-bit 70MIPS Motor Control MCU | Microchip
MPN: PIC24EP128MC204-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.5 | $65.00 |
| 100 | $5.78 | $578.00 |
| 500 | $5.15 | $2,575.00 |
| 1,000 | $4.6 | $4,600.00 |
PIC24EP128MC204-H/PT Overview
What is a motor control MCU? A motor control microcontroller is a specialized MCU that combines a deterministic CPU core, high-resolution timers, fast ADCs, dedicated PWM generators, and analog comparators/op-amps on a single die, allowing a single chip to sense, compute, and drive a three-phase or BLDC motor stage. Within the broader hierarchy, it belongs to MCU -> microcontroller -> embedded processor -> semiconductor IC.
Key features of the PIC24EP128MC204-H/PT include up to 70 MIPS performance from a 16-bit dsPIC/PIC24 modified Harvard core, six 16-bit timers, motor-control PWMs with edge-aligned/center-aligned modes, a 10/12-bit ADC with up to 1.1 Msps, integrated op-amps for current sensing, and configurable logic cells. The on-chip op-amps reduce external analog signal-conditioning circuitry on the current-shunt feedback path.
The device leverages a 16-bit modified Harvard architecture with hardware multiply/divide and DSP-class instructions, enabling closed-loop field-oriented control (FOC) algorithms to run at acceptable sample rates. The integrated analog chain (op-amp + ADC + PWM) reduces PCB area and improves noise immunity compared with discrete implementations.
Typical applications include three-phase BLDC/PMSM motor drives for automotive and industrial fans and pumps, sensorless or sensored FOC compressor controllers, e-bike/e-scooter traction inverters, and white-goods variable-frequency drives. The AEC-Q100 grade extends reach into under-hood automotive body and chassis subsystems.
When designing with this MCU, ensure the analog supply (AVDD) and digital supply (VDD) are decoupled with low-ESR ceramic capacitors placed close to the pins. The op-amp output stage cannot drive low-impedance shunts directly - a gain stage or external buffer may be required for very low-ohm current-sense resistors.
This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes not found in the manufacturer datasheet alone, giving procurement and engineering teams a faster sourcing decision.
Drop-in alternatives for PIC24EP128MC204-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 PIC24EP128MC204-H/PT (same form factor and footprint) — differing in Core Architecture, Package, ADC, Timers, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP128MC204-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP128MC204-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP256MC204-H/PT
✅ Drop-In✓ In Stock
$4.28 / Unit
View Datasheet →PIC24EP256MC204-I/PT
✅ Drop-In✓ In Stock
$3.66 / Unit
View Datasheet →PIC24EP128GP204-I/PT
✅ Drop-In✓ In Stock
$4.12 / Unit
View Datasheet →DSPIC33EP128MC204-H/PT
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →PIC24EP128MC204-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit modified Harvard (PIC24E) |
| Family | PIC24EP |
| Maximum CPU Speed | 70 MIPS (60 MIPS for -H automotive grade per DigiKey listing) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data RAM | 16 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +150C (Automotive -H grade) |
| Package | 44-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| AEC-Q100 | Qualified (Automotive grade) |
| On-chip Op-amps | Yes (multiple, for current sensing) |
| ADC | 10/12-bit successive approximation |
| PWM Modules | Motor-control PWM, multiple 16-bit |
| Timers | 16-bit timers, multiple |
| RoHS Status | Compliant |
| Lead-free / Halogen-free | Yes (per Microchip product page) |
PIC24EP128MC204-H/PT Pin Configuration
| Pin 1 | SDA1/RG3 — I2C1 data or remappable I/O |
| Pin 2 | RP15/RB15 — Remappable peripheral I/O |
| Pin 3 | RP14/RB14 — Remappable peripheral I/O |
| Pin 4 | RP13/RB13 — Remappable peripheral I/O |
| Pin 5 | RP12/RB12 — Remappable peripheral I/O |
| Pin 6 | RP11/RB11 — Remappable peripheral I/O |
| Pin 7 | RP10/RB10 — Remappable peripheral I/O |
| Pin 8 | RP9/RB9 — Remappable peripheral I/O |
| Pin 9 | RP8/RB8 — Remappable peripheral I/O |
| Pin 10 | RP7/RB7 — Remappable peripheral I/O |
| Pin 11 | RP6/RB6 — Remappable peripheral I/O |
| Pin 12 | RP5/RB5 — Remappable peripheral I/O |
| Pin 13 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pin 14 | VSS — Digital ground |
| Pin 15 | RP4/RB4 — Remappable peripheral I/O |
| Pin 16 | RP3/RB3 — Remappable peripheral I/O |
| Pin 17 | RP2/RB2 — Remappable peripheral I/O |
| Pin 18 | RP1/RB1 — Remappable peripheral I/O |
| Pin 19 | RP0/RB0 — Remappable peripheral I/O |
| Pin 20 | AVDD — Analog supply (3.0 V to 3.6 V) |
| Pin 21 | AVSS — Analog ground |
| Pin 22 | OA1OUT/AN1/CMP1A — Op-amp 1 output / ADC input |
| Pin 23 | OA1IN-/AN9 — Op-amp 1 inverting input |
| Pin 24 | OA1IN+/AN8 — Op-amp 1 non-inverting input |
| Pin 25 | PWM1H/RD0 — PWM1 high-side output |
| Pin 26 | PWM1L/RD1 — PWM1 low-side output |
| Pin 27 | PWM2H/RD2 — PWM2 high-side output |
| Pin 28 | PWM2L/RD3 — PWM2 low-side output |
| Pin 29 | PWM3H/RD4 — PWM3 high-side output |
| Pin 30 | PWM3L/RD5 — PWM3 low-side output |
| Pin 31 | RC1 — I/O port C bit 1 |
| Pin 32 | RC2 — I/O port C bit 2 |
| Pin 33 | RC3 — I/O port C bit 3 |
| Pin 34 | RC4 — I/O port C bit 4 |
| Pin 35 | TDO/RA10 — JTAG TDO / I/O |
| Pin 36 | TCK/RA7 — JTAG TCK / I/O |
| Pin 37 | TDI/RA8 — JTAG TDI / I/O |
| Pin 38 | TMS/RA9 — JTAG TMS / I/O |
| Pin 39 | MCLR — Master clear (reset, active-low) |
| Pin 40 | OSC1/RC12 — Crystal oscillator input |
| Pin 41 | OSC2/RC15 — Crystal oscillator output |
| Pin 42 | VSS — Digital ground |
| Pin 43 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pin 44 | ENVREG — Internal voltage regulator enable (tie to AVDD or decouple) |
Typical Applications
PIC24EP128MC204-H/PT is suitable for 7 applications: Automotive Engine Cooling Fan (BLDC), Electric Water Pump / HVAC Blower, Industrial PMSM Servo Drive, White Goods Variable-Frequency Drive (Washer / Compressor), E-Bike / E-Scooter Traction Inverter, Drone / UAV Brushless ESC, Industrial Sensorless Pump Controller.
Automotive Engine Cooling Fan (BLDC)
The PIC24EP128MC204-H/PT is well-suited for an automotive 12 V BLDC engine cooling fan controller. The on-chip op-amps amplify low-side shunt-resistor voltages directly into the ADC, eliminating external current-sense amplifiers and reducing PCB area. The integrated motor-control PWM module generates complementary 3-phase outputs with programmable dead-time and hardware fault shutdown in under 100 ns, which is critical for automotive ASIL-rated inverter protection. Operating at 60 MIPS across -40C to +150C, the device executes sensorless back-EMF or FOC algorithms at 20 kHz PWM with closed-loop current control. Compared with a discrete MCU + driver solution, the PIC24EP128MC204-H/PT cuts BOM count by ~30% while providing AEC-Q100 traceability for OEM PPAP submissions.
Recommended
Electric Water Pump / HVAC Blower
For 12 V or 48 V mild-hybrid electric water pump and HVAC blower applications, the PIC24EP128MC204-H/PT delivers the analog integration and AEC-Q100 qualification automotive OEMs require. The internal op-amps handle two current-shunt channels plus DC-bus sensing, while the 16 KB RAM supports sensorless FOC observers including BEMF, sliding-mode, and MRAS estimators. The device's 150C junction rating permits placement near the IGBT/MOSFET power stage, shortening the analog feedback path. The 44-pin TQFP gives access to 3 UART, 1 SPI, 1 I2C, and CAN, enabling integration of body-control communication stacks alongside the motor loop without an external transceiver MCU.
Recommended
Industrial PMSM Servo Drive
In an industrial servo drive for a PMSM motor, the PIC24EP128MC204-H/PT executes FOC with 20 kHz current loop and 4 kHz speed loop, leaving 30%+ MIPS headroom for the SPI encoder interface and EtherCAT/CANopen stack. The integrated op-amps condition shunt currents, while the dedicated PWM fault input provides hardware-level overcurrent protection that bypasses firmware latency. Industrial designs can select the -I or -E grade for 85C or 125C ambient operation respectively. The 128 KB Flash accommodates complex commutation tables and protection state machines required by IEC 61800-5-1 adjustable-speed drives.
Recommended
White Goods Variable-Frequency Drive (Washer / Compressor)
For inverterized washing-machine drum motors and refrigerator compressors, the PIC24EP128MC204-H/PT provides a single-chip solution that combines sensorless BEMF or FOC control with safety-critical fault handling. The 60 MIPS performance of the -H grade suffices for sensorless startups down to 5% rated speed using the Microchip AN1078 application note algorithm. The on-chip op-amps reduce the analog front-end to a single current-sense resistor per phase. The automotive -40C to +150C temperature range eliminates field-return risk in hot compressor cabinets. The 44-TQFP footprint is footprint-compatible with the lower-cost industrial -I variant for cost-engineered white-goods SKUs.
Recommended
E-Bike / E-Scooter Traction Inverter
E-bike and e-scooter traction inverters benefit from the PIC24EP128MC204-H/PT's combination of AEC-Q100 grade and integrated motor-control analog. The MCU runs sensorless FOC for hub motors, capturing phase currents via on-chip op-amps and generating center-aligned PWMs with sub-microsecond dead-time insertion. The 60 MIPS CPU supports MTPA and field-weakening algorithms for high-speed freewheel conditions. The automotive temperature rating is overkill for consumer e-bikes but signals design robustness to certification labs. The 44-pin TQFP footprint is shared with the lower-cost -I variant for cost-optimized product tiers.
Recommended
Drone / UAV Brushless ESC
In a small UAV electronic speed controller, the PIC24EP128MC204-H/PT drives a 3-phase BLDC motor up to 50 A continuous with 32 kHz FOC updates. The 60 MIPS core executes the full fast-loop current controller plus slow-loop attitude input mixing within 30 us per PWM cycle, leaving headroom for one-shot ESC telemetry. The 44-pin TQFP footprint is shared across the PIC24EP128MC204 family, simplifying PCB variants from industrial (I grade) to consumer (E grade). The integrated op-amps sense phase currents without external amplifiers, saving ~5 mm^2 PCB area which is critical in a 20 mm ESC stack-up.
Recommended
Industrial Sensorless Pump Controller
Industrial pumps for HVAC, irrigation, and chemical processing benefit from the PIC24EP128MC204-H/PT's integrated analog chain and automotive-grade qualification. The MCU runs sensorless BEMF or FOC on a 3-phase induction or PMSM motor at 24-48 VDC, with the on-chip op-amps capturing both shunt and DC-bus currents. The -40C to +150C temperature range handles outdoor enclosures and chemical-plant ambient conditions. The 44-TQFP footprint enables the same PCB to host the -H, -I, or -E temperature grade simply by component substitution, allowing one design to serve three end markets.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP128MC204-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP128MC204-I/PT | PIC24EP128MC204-E/PT | PIC24EP256MC204-H/PT | PIC24EP128GP204-I/PT | dsPIC33EP128MC204-H/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Temperature Grade | Automotive -40C to +150C (H) | Industrial -40C to +85C | Extended -40C to +125C | Automotive -40C to +150C | Industrial -40C to +85C | Automotive -40C to +150C |
| Max CPU Speed | 60 MIPS (-H grade) | 70 MIPS | 70 MIPS | 60 MIPS | 70 MIPS | 70 MIPS |
| Flash Program Memory | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB | 16 KB |
| On-chip Op-amps | Yes (multiple) | Yes (multiple) | Yes (multiple) | Yes (multiple) | No (general-purpose part) | Yes (multiple) |
| Motor-control PWM | Yes (3-phase + fault) | Yes (3-phase + fault) | Yes (3-phase + fault) | Yes (3-phase + fault) | Standard PWM (no 3-phase hardware) | Yes (3-phase + fault + DSP engine) |
| AEC-Q100 Qualified | Yes | No | No | Yes | No | Yes |
Key Differentiators
- Integrated on-chip op-amps eliminate external current-sense amplifiers (vs PIC24EP128GP204-I/PT)
- AEC-Q100 automotive qualification with -40C to +150C operating range (vs PIC24EP128MC204-I/PT)
- 256 KB Flash upgrade available in same 44-TQFP footprint (vs dsPIC33EP128MC204-H/PT)
Design Notes
Estimated: AVDD and VDD both need 100 nF + 10 uF ceramic decoupling placed within 5 mm of each pin pair, plus a ferrite bead between AVDD and VDD to prevent digital switching noise from coupling into the ADC reference. The internal voltage regulator (ENVREG) pin requires a 1 uF + 100 nF low-ESR ceramic capacitor; do not connect ENVREG directly to AVDD without the capacitor or the regulator will oscillate.
Estimated: The 44-pin TQFP (PT) has a typical theta_JA of approximately 50 C/W on a 4-layer JEDEC test board. At maximum 60 MIPS activity and 3.3 V supply, the device draws approximately 50 mA (estimated, ICC = 30 mA + 5 mA/MHz @ 60 MIPS from datasheet DC characteristics), dissipating roughly 165 mW. The junction temperature rise at 25C ambient is therefore about 8C, well within the 150C automotive limit, but airflow is required if the MCU shares the PCB with hot power devices.
Route the 3-phase PWM traces (PWMxH/L) as matched-length differential pairs to within 2 mm to avoid duty-cycle mismatch across phases. Keep the analog op-amp input traces away from the PWM switching nodes; place the current-shunt resistors in the bottom layer directly beneath the OA1IN+/OA1IN- pins to minimize trace inductance. Add a ground guard ring around the shunt-resistor feedback network to prevent PWM-induced common-mode noise from coupling into the ADC sample window.
Do not enable the on-chip op-amps before the AVDD rail has stabilized; per the PIC24E datasheet errata, premature enable can latch the op-amp output at an undefined state until power-cycled. When migrating between -H (60 MIPS) and -I/-E (70 MIPS) variants, regenerate the device configuration bits to match the maximum FCY oscillator setting, or the PLL will misconfigure. The PWM fault input (FLTxx) is active-low by default and must be pulled high externally if unused.
Compliance Information
AEC-Q100 automotive qualified per DigiKey listing. RoHS and lead-free confirmed by Microchip product page. REACH compliance per Microchip standard product declaration.