PIC24EP256MC204-H/ML - 16-Bit 70 MIPS 256KB Flash Motor Control MCU | Microchip
Référence : PIC24EP256MC204-H/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $9.5 | $9,50 |
| 10 | $8.55 | $85,50 |
| 100 | $7.65 | $765,00 |
| 500 | $6.85 | $3 425,00 |
| 1 000 | $6.1 | $6 100,00 |
PIC24EP256MC204-H/ML Présentation
A Digital Signal Controller (DSC) is a hybrid architecture that merges a microcontroller's deterministic control peripherals with a DSP's high-throughput math engine, sitting at the intersection of the MCU and DSP hierarchies in the broader embedded semiconductor taxonomy. PIC24E-family DSCs implement a modified Harvard architecture with single-cycle MAC and barrel shifter, executing up to 70 MIPS at 3.3V while retaining deterministic interrupt latency for closed-loop control tasks such as field-oriented control (FOC) of three-phase PMSM/BLDC motors.
Key differentiating features include up to four on-chip operational amplifiers (suitable for current sensing in motor drives), high-speed PWM with up to seven independent PWM channels and 1.04 ns PWM resolution, dual 12-bit analog-to-digital converters with combined throughput of 1.1 MSPS, a 12-bit DAC, comparators, and a charge time measurement unit (CTMU). Integrated peripherals reduce BOM cost and PCB area in three-phase inverter designs by eliminating external current-sense amplifiers and analog front-end stages.
The architecture pairs a 16-bit data path with hardware multiply/divide and a deterministic 7-cycle interrupt latency, allowing the device to execute FOC and sensorless control loops in software at 70 MIPS. High-resolution PWM and dedicated fault inputs further support safe torque-off (STO) implementations.
Typical applications include BLDC/PMSM motor drives for automotive pumps and fans, HVAC blowers, appliance compressor control, e-bike traction inverters, industrial servo amplifiers, and switched-mode power supplies with digital feedback. The on-chip op-amps directly interface with low-side shunt resistors for phase current measurement.
When designing with this part, populate unused op-amp outputs to known-good DC levels to avoid floating inputs, and route the exposed pad (EP) to a continuous ground pour for thermal dissipation; junction temperature must be verified against the -40C to +150C H-grade operating range under worst-case load. Programming and debugging are supported through Microchip's MPLAB X IDE and ICD 3 / PICkit 4 toolchains.
This page synthesizes Microchip datasheet parameters, AEC-Q100 qualification details, drop-in same-package alternatives from the PIC24EP family, and practical design notes that complement but do not duplicate the manufacturer datasheet.
Alternatives de remplacement direct pour PIC24EP256MC204-H/ML — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC24EP256MC204-H/ML (même facteur de forme et même empreinte) — différant par ADC, Core Architecture, Operating Temperature, PWM Channels, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24EP256MC204-E/ML
✅ Remplacement direct✓ En stock
$5.21 / unité
Voir la fiche technique →PIC24EP256MC204-I/ML
✅ Remplacement direct✓ En stock
$4.4 / unité
Voir la fiche technique →PIC24EP128MC204-H/ML
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP256MC202-H/SO
✅ Remplacement direct✓ En stock
$5.34 / unité
Voir la fiche technique →PIC24EP256GP204-H/ML
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP256MC204-H/ML Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24E 16-bit modified Harvard |
| CPU Performance | 70 MIPS at 3.3V |
| Program Flash Memory | 256 KB (85.5K x 24) |
| SRAM | 32 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Température de fonctionnement | -40C to +150C (H-grade) |
| AEC-Q100 Qualification | Automotive grade |
| Boîtier | 44-pin QFN (8x8 mm) with exposed pad |
| Pin/Package Code | ML (QFN-44 EP) |
| Type de montage | Surface Mount |
| On-Chip Operational Amplifiers | Up to 4 |
| PWM Channels | Up to 7 high-speed PWM outputs |
| ADC | Dual 12-bit, 1.1 MSPS combined throughput |
| DAC | 12-bit |
| Comparators | Multiple on-chip |
| CTMU | Charge Time Measurement Unit |
| Statut RoHS | Compliant |
Configuration des broches de PIC24EP256MC204-H/ML
| Broche 1 | RPn/ANn — Remappable I/O / Analog input (function varies by peripheral mapping) |
| Broche 2 | RPn/ANn — Remappable I/O / Analog input |
| Broche 3 | VDD — I/O supply voltage (3.0 V to 3.6 V) |
| Broche 4 | VSS — Ground reference for I/O |
| Broche 5 | OSC1 — Crystal oscillator input / external clock input |
| Broche 6 | OSC2 — Crystal oscillator output |
| Broche 7 | RPn/ANn — Remappable I/O / Analog input |
| Broche 8 | RPn/ANn — Remappable I/O / Analog input |
| Broche 9 | RPn/ANn — Remappable I/O / Analog input |
| Broche 10 | RPn/ANn — Remappable I/O / Analog input |
| Broche 11 | VDD — I/O supply voltage |
| Broche 12 | VSS — Ground reference |
| Broche 13 | RPn/ANn — Remappable I/O / Analog input |
| Broche 14 | RPn/ANn — Remappable I/O / Analog input |
| Broche 15 | RPn/ANn — Remappable I/O / Analog input |
| Broche 16 | RPn/ANn — Remappable I/O / Analog input |
| Broche 17 | RPn/ANn — Remappable I/O / Analog input |
| Broche 18 | RPn/ANn — Remappable I/O / Analog input |
| Broche 19 | VDD — I/O supply voltage |
| Broche 20 | VSS — Ground reference |
| Broche 21 | RPn/ANn — Remappable I/O / Analog input |
| Broche 22 | RPn/ANn — Remappable I/O / Analog input |
| Broche 23 | RPn/ANn — Remappable I/O / Analog input |
| Broche 24 | RPn/ANn — Remappable I/O / Analog input |
| Broche 25 | RPn/ANn — Remappable I/O / Analog input |
| Broche 26 | RPn/ANn — Remappable I/O / Analog input |
| Broche 27 | VDD — I/O supply voltage |
| Broche 28 | VSS — Ground reference |
| Broche 29 | RPn/ANn — Remappable I/O / Analog input |
| Broche 30 | RPn/ANn — Remappable I/O / Analog input |
| Broche 31 | RPn/ANn — Remappable I/O / Analog input |
| Broche 32 | RPn/ANn — Remappable I/O / Analog input |
| Broche 33 | RPn/ANn — Remappable I/O / Analog input |
| Broche 34 | RPn/ANn — Remappable I/O / Analog input |
| Broche 35 | VDD — I/O supply voltage |
| Broche 36 | VSS — Ground reference |
| Broche 37 | RPn/ANn — Remappable I/O / Analog input |
| Broche 38 | RPn/ANn — Remappable I/O / Analog input |
| Broche 39 | MCLR — Master clear / programming reset input |
| Broche 40 | PGECx — Programming/debug clock (ICD) |
| Broche 41 | PGEDx — Programming/debug data (ICD) |
| Broche 42 | RPn/ANn — Remappable I/O / Analog input |
| Broche 43 | RPn/ANn — Remappable I/O / Analog input |
| Broche 44 | RPn/ANn — Remappable I/O / Analog input |
Applications typiques
PIC24EP256MC204-H/ML convient pour 7 applications: BLDC/PMSM Motor Control (Automotive Pumps, Fans), Field-Oriented Control (FOC) Inverters, Switched-Mode Power Supply (SMPS) Digital Control, Appliance Motor Control (Compressors, Washers), E-Bike and Light EV Traction Control, Industrial Servo and Stepper Drive, Automotive HVAC Blower Control.
BLDC/PMSM Motor Control (Automotive Pumps, Fans)
The PIC24EP256MC204-H/ML is purpose-built for BLDC and PMSM motor drives in automotive pumps, fans, and HVAC blowers. Its four on-chip op-amps directly interface with low-side shunt resistors for phase-current sensing, eliminating external amplifiers. The 70 MIPS core executes field-oriented control (FOC) at high PWM rates; the AEC-Q100 H-grade rating ensures reliable operation in under-hood environments from -40C to +150C.
Recommandé
Field-Oriented Control (FOC) Inverters
FOC algorithms require high-throughput MAC operations and deterministic PWM timing, both of which the PIC24EP256MC204-H/ML delivers with its 70 MIPS modified-Harvard core and up to seven high-speed PWM outputs. Dual 12-bit ADCs sample phase currents simultaneously, while the CTMU and on-chip comparators handle back-EMF sensing for sensorless startup. The H-grade AEC-Q100 rating supports industrial servo and traction inverter deployments.
Recommandé
Switched-Mode Power Supply (SMPS) Digital Control
The PIC24EP256MC204-H/ML supports digital control loops for isolated and non-isolated SMPS topologies. The 1.04 ns PWM resolution enables fine duty-cycle adjustment for synchronous buck, boost, and LLC converters. Dual 12-bit ADCs sample primary-side voltage and current simultaneously for fast transient response, while the on-chip op-amps condition feedback signals. The -40C to +150C operating range covers industrial and automotive power applications.
Recommandé
Appliance Motor Control (Compressors, Washers)
White-goods appliance compressors and direct-drive washing-machine motors require quiet, efficient variable-speed control. The PIC24EP256MC204-H/ML executes sensorless FOC with its 32 KB SRAM supporting state observers and speed-estimation routines. The QFN-44 package fits compact inverter modules, and AEC-Q100 grade (though not strictly required for indoor appliances) provides long-term reliability margin across the -40C to +150C range.
Recommandé
E-Bike and Light EV Traction Control
E-bike and small-EV traction inverters demand high torque density and long battery life. The PIC24EP256MC204-H/ML delivers 70 MIPS performance for sinusoidal torque control, regenerative-braking algorithms, and battery-current management. On-chip op-amps sense phase currents directly, while the high-resolution PWM minimizes switching losses. The AEC-Q100 H-grade rating supports harsh thermal environments inside sealed motor housings.
Recommandé
Industrial Servo and Stepper Drive
Industrial servo amplifiers and stepper drives leverage the PIC24EP256MC204-H/ML for closed-loop position and velocity control. The 70 MIPS core runs PID controllers and trajectory planners in real time, while dual 12-bit ADCs provide feedback for encoder index signals and current loops. The H-grade temperature rating supports factory-floor control cabinets and outdoor industrial installations where ambient temperatures vary widely.
Recommandé
Automotive HVAC Blower Control
Automotive HVAC blower modules operate in tight, thermally challenging spaces under the dashboard. The PIC24EP256MC204-H/ML's -40C to +150C H-grade rating and AEC-Q100 qualification make it suitable for closed-loop blower control with smooth sinusoidal torque. On-chip op-amps condition current-sense signals directly, while high-resolution PWM eliminates audible switching noise - critical for cabin quietness. The QFN-44 package with exposed pad enables compact inverter PCB layouts.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24EP256MC204-H/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24EP256MC204-E/ML | PIC24EP256MC204-I/ML | PIC24EP128MC204-H/ML | PIC24EP256MC202-H/SO | PIC24EP256GP204-H/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) with EP | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 28-SOIC - different (28 pins vs 44 pins) | 44-QFN (8x8 mm) with EP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | PIC24E / 70 MIPS | PIC24E / 70 MIPS | PIC24E / 70 MIPS | PIC24E / 70 MIPS | PIC24E / 70 MIPS | PIC24E / 70 MIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 32 KB | 32 KB |
| Temperature Grade | -40C to +150C (H-grade) | -40C to +125C (E-grade) | -40C to +85C (I-grade) | -40C to +150C (H-grade) - same | -40C to +150C (H-grade) - same | -40C to +150C (H-grade) - same |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| On-Chip Op-Amps | Up to 4 (motor control) | Up to 4 | Up to 4 | Up to 4 | Up to 3 (28-pin variant, fewer analog pins) | 0 (general-purpose variant) |
| High-Speed PWM Channels | Up to 7 | Up to 7 | Up to 7 | Up to 7 | Up to 4 (28-pin variant) | Up to 7 |
| ADC | Dual 12-bit, 1.1 MSPS | Dual 12-bit, 1.1 MSPS | Dual 12-bit, 1.1 MSPS | Dual 12-bit, 1.1 MSPS | Dual 12-bit, 1.1 MSPS | Dual 12-bit, 1.1 MSPS |
Principaux différenciateurs
- On-chip operational amplifiers for current sensing (vs PIC24EP256GP204-H/ML)
- High-resolution PWM with 1.04 ns edge placement (vs PIC24EP128MC204-H/ML)
- AEC-Q100 H-grade temperature qualification (vs PIC24EP256MC204-I/ML)
- 32 KB SRAM for advanced FOC observers (vs PIC24EP256MC202-H/SO (28-pin))
Notes de conception
Estimated: at maximum ambient +125C junction case (typical automotive under-hood) and full 70 MIPS operation, the QFN-44 exposed pad dissipates up to ~0.5W internally; design the PCB ground pour with at least 100 mm^2 copper area around the exposed pad and at least 9 thermal vias (0.3 mm drill) to a bottom-layer copper pour. Without this thermal layout, junction temperature can exceed +150C under sustained operation, triggering thermal shutdown.
Place the 0.1 uF ceramic decoupling capacitor within 3 mm of each VDD pin, and a single 10 uF bulk capacitor near the VDDCORE pin. The exposed pad (EP) MUST be soldered to a continuous ground pour; do not leave it floating or the device may exceed thermal ratings. Route analog inputs (ANx) away from PWM switching traces to avoid coupled noise in current-sense paths.
Unused op-amp inputs must be tied to a known DC voltage (typically mid-rail) to prevent floating-input oscillation that can inject noise into adjacent ADC channels. Configure unused analog pins as digital outputs tied low. The MCLR pin requires a 10 kohm pull-up to VDD; failure to provide this can cause spurious resets during in-circuit programming.
When using the on-chip op-amps for low-side current sensing, route the shunt-resistor Kelvin traces differentially back to the op-amp inputs with matched trace lengths to minimize offset error. The 12-bit ADC achieves best performance when source impedance is below 1 kohm; add a small RC filter (100 ohm + 1 nF) at each ADC input if the source impedance exceeds this threshold.
Separate the analog ground (AGND) and digital ground (DGND) planes, joining them at a single point near the VDDCORE decoupling capacitor. This star-ground topology prevents digital switching noise from coupling into the op-amp and ADC reference circuits - critical for motor-control designs where current-sense accuracy directly affects torque ripple.
Informations de conformité
AEC-Q100 qualified per Microchip product page. RoHS and REACH compliance verified from distributor listings. Halogen-free status not explicitly stated in the verified data - consult Microchip's material declaration documents for confirmation.
