PIC24EP128MC206-I/MR - 70 MIPS 16-bit Motor Control MCU | Microchip
Référence : PIC24EP128MC206-I/MR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.45 | $7,45 |
| 10 | $6.71 | $67,10 |
| 100 | $5.96 | $596,00 |
| 500 | $5.36 | $2 680,00 |
| 1 000 | $4.77 | $4 770,00 |
PIC24EP128MC206-I/MR Présentation
What is a 16-bit Motor Control MCU? A microcontroller (MCU) is a single-chip computer integrating a CPU, memory, and programmable peripherals. A 16-bit MCU executes instructions on 16-bit data paths, offering a balance between 8-bit simplicity and 32-bit performance. Motor-control MCUs add specialized peripherals - high-resolution PWM, op-amps, and fast ADCs - that simplify three-phase inverter control, FOC algorithms, and sensorless commutation. PIC24EP128MC206 belongs to the broader power-management and motor-control hierarchy: MCU -> 16-bit MCU -> DSP-enhanced MCU -> PIC24E family -> PIC24EP motor-control series.
Key differentiating specifications include the 70 MIPS dsPIC/PIC24E core, dual 10-bit/12-bit ADC options, internal comparators and operational amplifiers for current-shunt feedback, and hardware Peripheral Trigger Generator (PTG) for deterministic timing. The on-chip op-amps eliminate external analog front-end components, reducing BOM cost and PCB area in compact variable-frequency drive and BLDC designs.
Architecturally, the PIC24EP128MC206 combines a modified Harvard bus with DSP engine instructions, providing deterministic interrupt latency and high-throughput signal processing. The integrated motor-control PWM supports center-aligned, complementary, and edge-aligned modes with programmable dead-time insertion, eliminating software overhead typically required for three-phase inverter control.
Typical applications include sensorless and sensored BLDC/PMSM motor drives, three-phase AC induction motor controllers, field-oriented control (FOC) drives for pumps and fans, servo control, and industrial automation. Its 70 MIPS throughput is well-matched to mid-frequency FOC loops (typically 8-32 kHz PWM).
When designing with this device, ensure proper decoupling on VDDCORE and use the exposed pad of the VQFN package as the primary thermal and electrical ground return. Program firmware via ICSP or JTAG through the dedicated programming pins; verify voltage levels on MCLR for in-circuit programming reliability.
This page synthesizes drop-in alternatives, distributor pricing, and engineering design notes not consolidated in the manufacturer datasheet, complementing Microchip's PIC24EP128MC206 family reference manual with practical selection guidance.
Alternatives de remplacement direct pour PIC24EP128MC206-I/MR — 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 PIC24EP128MC206-I/MR (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, ADC, Core, RAM.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24EP128MC206-E/MR
✅ Remplacement direct✓ En stock
$4.22 / unité
Voir la fiche technique →PIC24EP128MC206-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP128GP206-I/MR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP256MC206-I/MR
✅ Remplacement direct✓ En stock
$6.39 / unité
Voir la fiche technique →DSPIC33EP128MC206-I/MR
✅ Remplacement direct✓ En stock
$0.13 / unité
Voir la fiche technique →PIC24EP128MC206-I/MR Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24E 16-bit dsPIC enhanced |
| CPU Speed | 70 MIPS (70 MHz) |
| Program Memory | 128 KB Flash (43K x 24) |
| Data RAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 64-pin VQFN (MR) 9x9 mm with EP |
| Type de montage | Surface Mount |
| On-Chip Op-Amps | Yes (internal) |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
| Style de montage | SMD/SMT |
Configuration des broches de PIC24EP128MC206-I/MR
| Broche 1 | RP15/PWM1L — PWM1 low-side output / remappable I/O |
| Broche 2 | RP14/PWM1H — PWM1 high-side output / remappable I/O |
| Broche 3 | RP13/PWM2L — PWM2 low-side output / remappable I/O |
| Broche 4 | RP12/PWM2H — PWM2 high-side output / remappable I/O |
| Broche 5 | RP11/PWM3L — PWM3 low-side output / remappable I/O |
| Broche 6 | RP10/PWM3H — PWM3 high-side output / remappable I/O |
| Broche 7 | RP9 — Remappable I/O |
| Broche 8 | RP8 — Remappable I/O |
| Broche 9 | VDD — Supply voltage (3.0-3.6 V) |
| Broche 10 | VSS — Digital ground |
| Broche 11 | OSC1 — Crystal/oscillator input |
| Broche 12 | OSC2 — Crystal/oscillator output |
| Broche 13 | MCLR — Master clear (reset) input |
| Broche 14 | PGEC1 — ICSP programming clock |
| Broche 15 | PGED1 — ICSP programming data |
| Broche 16 | AVDD — Analog supply voltage |
| Broche 17 | AVSS — Analog ground |
| Broche 18 | AN0 — Analog input 0 |
| Broche 19 | AN1 — Analog input 1 |
| Broche 20 | AN2 — Analog input 2 |
| Broche 21 | AN3 — Analog input 3 |
| Broche 22 | AN4 — Analog input 4 |
| Broche 23 | AN5 — Analog input 5 |
| Broche 24 | AN6 — Analog input 6 |
| Broche 25 | AN7 — Analog input 7 |
| Broche 26 | AN8 — Analog input 8 |
| Broche 27 | AN9 — Analog input 9 |
| Broche 28 | AN10 — Analog input 10 |
| Broche 29 | AN11 — Analog input 11 |
| Broche 30 | AN12 — Analog input 12 |
| Broche 31 | AN13 — Analog input 13 |
| Broche 32 | AN14 — Analog input 14 |
| Broche 33 | AN15 — Analog input 15 |
| Broche 34 | VDDCORE — Internal core voltage output (1.8 V) |
| Broche 35 | ENVREG — Voltage regulator enable |
| Broche 36 | VSS — Digital ground |
| Broche 37 | RP0 — Remappable I/O |
| Broche 38 | RP1 — Remappable I/O |
| Broche 39 | RP2 — Remappable I/O |
| Broche 40 | RP3 — Remappable I/O |
| Broche 41 | RP4 — Remappable I/O |
| Broche 42 | RP5 — Remappable I/O |
| Broche 43 | RP6 — Remappable I/O |
| Broche 44 | RP7 — Remappable I/O |
| Broche 45 | U1RX — UART1 receive |
| Broche 46 | U1TX — UART1 transmit |
| Broche 47 | SDA1 — I2C1 data |
| Broche 48 | SCL1 — I2C1 clock |
| Broche 49 | SDO1 — SPI1 data out |
| Broche 50 | SDI1 — SPI1 data in |
| Broche 51 | SCK1 — SPI1 clock |
| Broche 52 | SS1 — SPI1 slave select |
| Broche 53 | RP16/PWM4L — PWM4 low-side / remappable I/O |
| Broche 54 | RP17/PWM4H — PWM4 high-side / remappable I/O |
| Broche 55 | RP18/PWM5L — PWM5 low-side / remappable I/O |
| Broche 56 | RP19/PWM5H — PWM5 high-side / remappable I/O |
| Broche 57 | RP20 — Remappable I/O |
| Broche 58 | RP21 — Remappable I/O |
| Broche 59 | RP22 — Remappable I/O |
| Broche 60 | RP23 — Remappable I/O |
| Broche 61 | RP24 — Remappable I/O |
| Broche 62 | RP25 — Remappable I/O |
| Broche 63 | TMS — JTAG test mode select |
| Broche 64 | TCK — JTAG test clock |
Applications typiques
PIC24EP128MC206-I/MR convient pour 6 applications: Sensorless BLDC Motor Drive, Field-Oriented Control (FOC) PMSM Drive, Industrial Servo Control, Variable Frequency Drive (VFD) for Pumps and Fans, Cordless Power Tool Motor Controller, Robotics and CNC Spindle Control.
Sensorless BLDC Motor Drive
The PIC24EP128MC206-I/MR's 70 MIPS core and on-chip op-amps make it a strong fit for sensorless BLDC motor drives. The integrated high-resolution motor-control PWM supports 20-40 kHz switching with programmable dead-time insertion, while the on-chip op-amps condition back-EMF signals without external analog front-end. Placed between the 3.3 V logic supply and the gate-driver stage, the MCU executes BEMF zero-crossing detection in software with deterministic interrupt latency. Microchip application note AN1078 provides a complete sensorless FOC reference design targeting this MCU family, reducing firmware development time for variable-frequency drive applications.
Recommandé
Field-Oriented Control (FOC) PMSM Drive
The PIC24EP128MC206-I/MR excels in field-oriented control of permanent magnet synchronous motors (PMSM) where Clarke-Park transforms, PID loops, and SVM modulation demand 70 MIPS of deterministic throughput. Its 128 KB Flash fits complete FOC parameter tables and observer algorithms, while 16 KB RAM holds per-cycle working variables. On-chip op-amps directly amplify current-shunt signals before the ADC, removing the need for external instrumentation amplifiers. The MCU generates complementary center-aligned PWM with dead-time control for the three-phase inverter, enabling smooth torque and speed control down to near-zero RPM with full torque.
Recommandé
Industrial Servo Control
For industrial servo drives, the PIC24EP128MC206-I/MR provides the real-time response required for position, velocity, and current loop closure at multi-kHz rates. The 70 MIPS core executes cascaded PID controllers with minimal latency, and the integrated Peripheral Trigger Generator (PTG) coordinates deterministic ADC sampling synchronized to PWM edges for accurate current measurement. Industrial-grade -40C to +85C temperature rating suits factory-floor deployment. The device supports quadrature encoder interface (QEI) for absolute position feedback from incremental encoders used in CNC machines and robotics.
Recommandé
Variable Frequency Drive (VFD) for Pumps and Fans
The PIC24EP128MC206-I/MR fits VFD applications for pumps, fans, and HVAC blowers requiring energy-efficient variable-speed control. Its motor-control PWM generates the variable-frequency waveforms needed to drive three-phase induction motors or BLDC motors at speeds from a few hundred RPM to several thousand RPM. With 128 KB Flash and 16 KB RAM, the MCU runs V/Hz or sensorless FOC algorithms with thermal protection and fault handling. The on-chip op-amps directly sense DC bus current and voltage for closed-loop control, while the ADC's simultaneous sampling ensures accurate measurement even at high PWM duty cycles.
Recommandé
Cordless Power Tool Motor Controller
The PIC24EP128MC206-I/MR's compact 64-pin VQFN package and integrated motor-control peripherals suit cordless power tools - drills, impact drivers, and cordless saws - where PCB area is constrained. The 70 MIPS core delivers responsive torque and speed control, while on-chip op-amps sense brushless motor phase currents for closed-loop commutation. Operating from a single 3.3 V supply derived from the tool's Li-ion battery pack, the MCU interfaces directly to gate drivers and MOSFET bridges. Industrial-grade temperature rating ensures reliable operation across cold outdoor and hot-loaded conditions typical of power-tool duty cycles.
Recommandé
Robotics and CNC Spindle Control
The PIC24EP128MC206-I/MR is a strong choice for robotics spindle and small CNC stepper/servo controllers where 70 MIPS handles multi-axis trajectory planning plus real-time motor commutation. Its 64-pin VQFN footprint keeps the board compact for tight robotic enclosures, and the 128 KB Flash stores motion profiles, G-code interpreters, or stepper/servo sequences. The Quadrature Encoder Interface (QEI) reads feedback from servo motors, and the on-chip op-amps can condition reference voltages or sensor signals. Industrial -40C to +85C operation tolerates factory environments, and JTAG/ICSP interfaces support field firmware updates for evolving control algorithms.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24EP128MC206-I/MR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24EP128MC206-E/MR | PIC24EP128MC206-I/PT | PIC24EP128GP206-I/MR | PIC24EP256MC206-I/MR | dsPIC33EP128MC206-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-pin VQFN (MR) 9x9 mm | 64-pin VQFN (MR) 9x9 mm | 64-pin TQFP (PT) 10x10 mm | 64-pin VQFN (MR) 9x9 mm | 64-pin VQFN (MR) 9x9 mm | 64-pin VQFN (MR) 9x9 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24E 16-bit 70 MIPS | PIC24E 16-bit 70 MIPS | PIC24E 16-bit 70 MIPS | PIC24E 16-bit 70 MIPS | PIC24E 16-bit 70 MIPS | dsPIC33E 16-bit 70 MIPS DSP |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB |
| Motor-Control PWM | Yes (dedicated) | Yes (dedicated) | Yes (dedicated) | No (general-purpose OC) | Yes (dedicated) | Yes (dedicated) |
| On-Chip Op-Amps | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| DSP Engine | No | No | No | No | No | Yes (single-cycle MAC) |
Principaux différenciateurs
- Integrated on-chip op-amps for current sensing (vs PIC24EP128GP206)
- Dedicated motor-control PWM with hardware dead-time (vs PIC24EP128GP206)
- Pin-compatible upgrade path to DSP engine (vs dsPIC33EP128MC206)
- Extended temperature variant available (vs PIC24EP128MC206-I/PT)
Notes de conception
The 64-pin VQFN (MR) 9x9 mm package has an exposed thermal pad that MUST be soldered to the PCB ground plane for proper thermal dissipation and electrical grounding. Use a thermal via array (typically 9-16 vias in a 3x3 to 4x4 grid) under the EP to conduct heat into inner copper layers. Estimated: with 9 thermal vias (0.3 mm drill, 1 oz copper plating), the resulting junction-to-ambient thermal resistance (theta_JA) drops to approximately 28-32 C/W, well within the device's safe operating area for motor-drive applications.
The PIC24EP128MC206-I/MR integrates a 1.8 V core voltage regulator from the 3.3 V VDD supply; place a 10 uF X7R ceramic capacitor on the VDDCORE pin and a 0.1 uF decoupling cap close to VDD. The ENVREG pin must be tied to VDD to enable the internal regulator. Failure to provide proper VDDCORE decoupling results in core voltage noise, causing erratic operation or Flash programming failures during ICSP. Estimated: at 70 MIPS, the core current consumption is approximately 30-45 mA, requiring low-ESR ceramic decoupling.
When using ICSP for in-circuit programming, ensure MCLR is pulled up through a resistor (typically 10 kohm) and never left floating. PGC and PGD pins must be accessible without interfering with the application circuit. For JTAG debug, verify TMS and TCK pin mapping on the 64-pin VQFN footprint - on this package both programming and debug interfaces share pins. Always apply Microchip's recommended power-on sequence: VDD ramps up before MCLR rises above Vih to ensure clean reset initialization.
Motor-drive applications generate significant EMI from high-current switching nodes. Place the MCU at least 25 mm away from the inverter power stage, and use ground-plane partitioning to isolate analog (AVDD/AVSS) from digital grounds, joining them only at one point near the MCU. The analog input pins (AN0-AN15) used for current sensing should be routed with differential pairs and surrounded by ground copper for noise rejection. Estimated: 4-layer PCB with proper stackup reduces ADC noise by 8-12 dB compared to 2-layer boards.
Informations de conformité
RoHS compliant per Microchip product declaration. Lead-free VQFN-64 package uses matte-tin finish. Industrial temperature grade (-40C to +85C); not AEC-Q100 qualified. Choose -E/MR variant for extended temperature, or dsPIC33EP MCUs for automotive.
