PIC24EP256MC202T-I/SO - 70 MIPS 256KB Flash Motor MCU | Microchip
Teilenummer: PIC24EP256MC202T-I/SO ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $7.2 | $7,20 |
| 10 | $6.55 | $65,50 |
| 100 | $5.84 | $584,00 |
| 500 | $5.21 | $2.605,00 |
| 1.000 | $4.62 | $4.620,00 |
PIC24EP256MC202T-I/SO Übersicht
What is a motor-control MCU? A motor-control MCU is a microcontroller that integrates digital signal control, analog sensing, and high-resolution PWM generation on-chip to drive brushless DC (BLDC), permanent-magnet synchronous (PMSM), or AC induction motors with closed-loop field-oriented control. The PIC24E family is a 16-bit dsPIC-class architecture positioned in the broader hierarchy: MCU -> microcontroller -> digital signal controller -> motor-control IC. Built-in op-amps, comparators, and PWM peripherals reduce external component count and shorten loop-cycle latency for sinusoidal commutation.
Key features include 32 KB SRAM, up to 60 MHz CPU clock (70 MIPS with instruction-pipeline overlap), high-speed PWM with up to 13.9 ns resolution, integrated op-amps for current sensing, a 10/12-bit ADC, and an industrial -40C to +85C operating range. The 28-SOIC (wide-body) package simplifies breadboarding and rework on existing 0.3" lead-pitch designs while supporting 3.0V-3.6V single-supply operation.
From an architectural standpoint, the device combines a modified Harvard 16-bit core with DSP-class instructions, dual-partition Flash for live updates, and a configurable peripheral pin-select mapping. On-chip op-amps feed directly into the ADC, eliminating a discrete current-sense amplifier stage and reducing BOM cost and PCB area.
Typical applications include BLDC/PMSM motor control, field-oriented control (FOC) drives, industrial fans and pumps, robotic actuators, and consumer appliance drives such as washing machines and refrigerators. Designers choose this part when 70 MIPS, 256 KB Flash, and integrated analog front-ends are required in a 28-SOIC footprint.
Design consideration: plan for the on-chip op-amp output-to-ADC input routing early in pin assignment, since mis-mapping forces a costly package change. Always validate PWM/ADC timing with the device errata document.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the Microchip datasheet for engineers evaluating motor-control MCU substitutions.
Drop-in-Alternativen für PIC24EP256MC202T-I/SO – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC24EP256MC202T-I/SO (gleiche Bauform und Footprint) – abweichend in Core Architecture, Operating Temperature, Package, ADC, On-chip Op-Amps.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC24EP256MC202-I/SO
✅ Drop-In✓ Auf Lager
$4.55 / Stück
Datenblatt ansehen →PIC24EP256MC202-H/SO
✅ Drop-In✓ Auf Lager
$5.34 / Stück
Datenblatt ansehen →PIC24EP256MC202-E/SP
✅ Drop-In✓ Auf Lager
$5.07 / Stück
Datenblatt ansehen →PIC24EP128MC202T-I/SO
✅ Drop-In✓ Auf Lager
$4.05 / Stück
Datenblatt ansehen →PIC24EP256MC202T-I/SO Grenzwerte & elektrische Eigenschaften
| Core Architecture | PIC24E (16-bit dsPIC-class) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| Data RAM | 32 KB |
| CPU Speed | 70 MIPS (up to 60 MHz) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Betriebstemperatur | -40C to +85C (Industrial) |
| Gehäuse | 28-pin SOIC (SO) |
| On-Chip Op-Amps | Yes (internal) |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
PIC24EP256MC202T-I/SO Pin-Konfiguration
| Pin 1 | RA0 — Port A bit 0 / analog input / remappable peripheral |
| Pin 2 | RA1 — Port A bit 1 / analog input / remappable peripheral |
| Pin 3 | RA2 — Port A bit 2 / analog input / remappable peripheral |
| Pin 4 | RA3 — Port A bit 3 / analog input / remappable peripheral |
| Pin 5 | RA4 — Port A bit 4 / analog input / remappable peripheral |
| Pin 6 | VDD — Positive supply voltage (3.0V-3.6V) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | OSC1 — Crystal oscillator input or external clock input |
| Pin 9 | OSC2 — Crystal oscillator output |
| Pin 10 | RB0 — Port B bit 0 / programming clock (PGECx) |
| Pin 11 | RB1 — Port B bit 1 / programming data (PGEDx) |
| Pin 12 | RB2 — Port B bit 2 / remappable peripheral |
| Pin 13 | RB3 — Port B bit 3 / remappable peripheral |
| Pin 14 | RB4 — Port B bit 4 / remappable peripheral |
| Pin 15 | RB5 — Port B bit 5 / remappable peripheral |
| Pin 16 | RB6 — Port B bit 6 / remappable peripheral |
| Pin 17 | RB7 — Port B bit 7 / remappable peripheral |
| Pin 18 | RB8 — Port B bit 8 / remappable peripheral |
| Pin 19 | RB9 — Port B bit 9 / remappable peripheral |
| Pin 20 | VSS — Ground reference |
| Pin 21 | RB10 — Port B bit 10 / remappable peripheral |
| Pin 22 | RB11 — Port B bit 11 / remappable peripheral |
| Pin 23 | RC0 — Port C bit 0 / remappable peripheral |
| Pin 24 | RC1 — Port C bit 1 / remappable peripheral |
| Pin 25 | RC2 — Port C bit 2 / remappable peripheral |
| Pin 26 | RC3 — Port C bit 3 / remappable peripheral |
| Pin 27 | RC4 — Port C bit 4 / remappable peripheral |
| Pin 28 | AVDD — Analog positive supply (typically tied to VDD) |
Typische Anwendungen
PIC24EP256MC202T-I/SO ist geeignet für 6 Anwendungs: BLDC Motor Control (FOC), Industrial Fan and Pump Drives, Robotic Actuator Control, Home Appliance Motor Drives, Power Tools and Cordless Drives, EV Auxiliary Motor Control.
BLDC Motor Control (FOC)
The PIC24EP256MC202T-I/SO is purpose-built for sensorless and sensored BLDC/PMSM motor control using field-oriented control (FOC). Its 70 MIPS dsPIC-class core and 32 KB SRAM execute the full Clarke/Park transform and space-vector PWM with sub-microsecond loop latency. The on-chip op-amps feed the ADC directly for phase-current sensing, eliminating a discrete current-sense amplifier. High-speed PWM provides 13.9 ns resolution, enabling silent commutation at 20+ kHz switching frequency for quieter, more efficient motor operation than 8/16-bit MCUs can deliver.
Empfohlen
Industrial Fan and Pump Drives
For variable-speed industrial fans and pumps, the PIC24EP256MC202T-I/SO delivers closed-loop PI control with 256 KB Flash large enough for adaptive speed-control algorithms and fault logs. The integrated 16-bit PWM and 12-bit ADC (typical for the family) handle 4-20 mA sensor inputs and tach feedback with single-chip simplicity. Industrial -40C to +85C rating supports outdoor HVAC and pump installations. Engineers pair this MCU with external gate drivers such as the MCP8024 to switch the high-voltage FET bridge driving the motor windings.
Empfohlen
Robotic Actuator Control
In multi-axis robotic actuators, the PIC24EP256MC202T-I/SO drives joint motors via FOC while running position/torque loops at high rates. Its dual-partition Flash supports live firmware updates for evolving robot behaviors without taking the line offline. The 28-SOIC footprint enables compact actuator housing designs, while the 32 KB SRAM buffers kinematic trajectories and sensor-fusion data before forwarding to a higher-level controller. Combined with CAN or UART links, the MCU integrates cleanly into distributed robotic control architectures.
Empfohlen
Home Appliance Motor Drives
Washing machines, refrigerators, dishwashers, and range hoods use the PIC24EP256MC202T-I/SO to drive BLDC compressors and drum motors with energy-efficient variable-speed control. The 256 KB Flash accommodates full state-machine firmware plus UI button-handling code, while integrated op-amps reduce the BOM cost critical in consumer appliances. AEC-related industrial temperature rating plus SOIC packaging simplifies SMT manufacturing. ZCD and overcurrent protection are handled by on-chip comparators, reducing discrete protection circuitry.
Empfohlen
Power Tools and Cordless Drives
Cordless drill and impact-driver controllers benefit from the PIC24EP256MC202T-I/SO's 70 MIPS DSP engine to compute back-EMF and current-sense data for sensorless FOC commutation under rapidly changing load. The integrated op-amps provide direct low-side current shunt amplification, while high-speed PWM ensures smooth torque ripple at high RPM. The 28-SOIC package is rugged enough for vibration-prone tool housings. Over-temperature and over-current protection leverage on-chip comparators for fast hardware-level shutdown.
Empfohlen
EV Auxiliary Motor Control
EV water pumps, oil pumps, and HVAC blowers use the PIC24EP256MC202T-I/SO to drive auxiliary BLDC motors that must meet automotive-grade reliability. The AEC-Q100 Grade 1 variant (-E/SP suffix in the same die family) handles -40C to +125C under-hood environments. Integrated op-amps and PWM enable sensorless FOC without external analog ICs, shrinking PCB area under tight BOM budgets. CAN bus connectivity ties the auxiliary drive into the vehicle network for diagnostics and torque-command updates.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC24EP256MC202T-I/SO – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC24EP256MC202-I/SO | PIC24EP256MC202-H/SO | PIC24EP256MC202-E/SP | PIC24EP128MC202T-I/SO | PIC24EP128MC202T-E/SS |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) | 28-SOIC (SO) | 28-SOIC (SP) | 28-SOIC (SO) | 28-SSOP (SS) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 128 KB (-50%) |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Packaging Format | Tape & Reel | Tube | Tube | Tube (SP) | Tape & Reel | Tape & Reel |
| Automotive Qualified | No | No | No | Yes (AEC-Q100) | No | Yes (AEC-Q100) |
| Param Match % | 100% | 100% | 95% | 90% | 80% | 70% |
Wichtigste Unterscheidungsmerkmale
- Highest Flash density in PIC24EP MC family at 28-SOIC (vs. PIC24EP128MC202T-I/SO)
- Same die, higher volume-friendly packaging (vs. PIC24EP256MC202-I/SO)
- Industrial-grade operating range (vs. PIC24EP256MC202-E/SP)
Designhinweise
Power the PIC24EP256MC202T-I/SO from a low-noise 3.3V LDO such as the MCP1700. Place a 10 uF bulk + 0.1 uF ceramic decoupling pair within 5 mm of each VDD pin. For analog reference, AVdd must be tied to Vdd via a ferrite bead or 10 ohm resistor with 10 uF + 0.1 uF local decoupling to ensure ADC readings are not corrupted by digital switching noise. Estimated: assuming 32 KB SRAM full-speed, average IDD is ~50 mA at 70 MIPS, so a 250 mA-rated LDO is recommended.
Route the high-speed PWM outputs away from analog input traces to avoid capacitive coupling that corrupts ADC current-sense readings. Keep the crystal oscillator traces short and symmetric, with a guard ground around OSC1/OSC2 to suppress radiated noise. Place the programming pins (PGECx/PGEDx on RB0/RB1) on accessible test-pad headers so the device can be re-flashed in-circuit without disassembly. Per Microchip's PIC24E layout guidelines, avoid routing digital signals under the SOIC package's exposed lead frame.
Do not exceed the 3.6V absolute-maximum VDD rating - even brief transients during hot-plug events can damage the device. Always consult the PIC24EP256MC202 family errata document (DS80000496 or equivalent) before locking the pin assignment, since early silicon revisions had PWM-to-ADC trigger timing workarounds. The on-chip op-amps have limited drive strength and cannot source more than a few mA - buffer externally if driving low-impedance loads.
Compliance-Informationen
RoHS/REACH compliant per Microchip product page. The PIC24EP256MC202T-I/SO is industrial-grade -40C to +85C; for AEC-Q100 automotive qualification choose PIC24EP256MC202-E/SP variant from the same die family.
