DSPIC33CK256MC505-I/M7 - 100MHz 16-bit DSC, CAN FD | Microchip
Référence : DSPIC33CK256MC505-I/M7 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.79 | $5,79 |
| 10 | $5.2 | $52,00 |
| 100 | $4.63 | $463,00 |
| 500 | $4.15 | $2 075,00 |
| 1 000 | $3.72 | $3 720,00 |
DSPIC33CK256MC505-I/M7 Présentation
A Digital Signal Controller combines the computational throughput of a Digital Signal Processor with the peripheral integration and deterministic interrupt architecture of a microcontroller. Within the power-management hierarchy, the DSC sits above general-purpose MCUs in real-time control capability: DSP MAC instructions plus dedicated motor-control peripherals make the dsPIC33CK family a mainstream choice for digital power conversion, brushless motor control, and advanced sensing - domains previously served by separate MCU-plus-DSP chip pairs.
Key features of this device include the 100 MHz dsPIC DSC core with DSP engine, a 12-bit ADC supporting high-speed conversions for current-loop control, multiple on-chip operational amplifiers that reduce external component count in motor-phase current sensing, and high-resolution high-speed PWM peripherals for digital power and motor drive topologies. CAN FD connectivity supports modern automotive, industrial networking and 5 Mbps-class data bursts.
Architecturally, the dsPIC33CK family is a single-core 16-bit device with enhanced on-chip peripherals, part of Microchip's functional-safety (FuSa) supported dsPIC33CK line. The 256 KB Flash / 32 KB RAM configuration covers complex field-oriented control (FOC) firmware with headroom for communications stacks, while the 48-pin VQFN-48 (6x6 mm) footprint is compact for space-constrained inverter and converter boards.
Typical applications include brushless DC and PMSM motor control in industrial drives, digitally controlled switched-mode power supplies and LLC/PFC converters, sensor fusion and advanced sensing nodes, and CAN FD-connected control modules in automotive and industrial networks.
For design, remember that ICSP programming requires using a matched PGECx/PGEDx pair: if PGEC2 carries ICSPCLK, ICSPDAT must use PGED2. Decouple VDD/VCAP per the manufacturer datasheet and allow the internal op-amp gain settings to replace external amplifier stages where bandwidth permits.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33CK256MC505-I/M7 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33CK256MC505-E/M7
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CK256MC505-H/M7
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CK256MC505-I/M7 Valeurs maximales et caractéristiques électriques
| Core | dsPIC33CK 16-bit DSC core |
| CPU Speed | 100 MHz |
| Program Memory (Flash) | 256 KB |
| RAM | 32 KB |
| Boîtier | 48-pin VQFN (6x6 mm) |
| Communication Interfaces | CAN FD, UART, SPI, I2C |
| ADC Resolution | 12-bit |
| Integrated Op Amps | Yes (on-chip operational amplifiers) |
| PWM | High-speed PWM |
| Température de fonctionnement | -40C to +85C (I grade) |
| Type de montage | Surface Mount |
| Family Designation | dsPIC33CK256MC50X |
| Functional Safety Support | FuSa family support |
| Programming | ICSP via PGECx/PGEDx pairs |
| Statut RoHS | ROHS compliant (per JLCPCB listing) |
Guide de configuration des broches du DSPIC33CK256MC505-I/M7 48-pin vqfn (6x6 mm)
Configuration des broches du DSPIC33CK256MC505-I/M7 (boîtier 48-pin vqfn (6x6 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour DSPIC33CK256MC505-I/M7.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33CK256MC505-I/M7 convient pour 6 applications: Brushless DC / PMSM Motor Control, Digital Power Conversion (LLC, PFC, DC-DC), Automotive and Industrial CAN FD Nodes, Advanced Sensing and Sensor Fusion, Industrial Automation and Robotics, General Embedded High-Performance Control.
Brushless DC / PMSM Motor Control
The DSPIC33CK256MC505-I/M7 is optimized for field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors. Its 100 MHz DSP core executes Clarke/Park transforms and PI current loops with single-cycle MAC instructions, while the high-speed PWM module generates complementary gate signals with dead-time control. The on-chip op amps amplify shunt-based phase-current feedback directly, cutting external amplifier count and board area. With 256 KB Flash, the part holds full FOC firmware plus position-observer and CAN FD messaging stacks. Placed at the center of a three-phase inverter, it typically closes current loops in the 10-50 microsecond range, supporting high electrical-frequency motor drives.
Recommandé
Digital Power Conversion (LLC, PFC, DC-DC)
In digitally controlled switched-mode power supplies, the DSPIC33CK256MC505-I/M7 provides the resolution and loop bandwidth required for LLC resonant converters, power-factor-correction stages, and high-density DC-DC modules. The high-speed PWM peripheral offers fine duty-cycle and phase control, while the 12-bit ADC samples output voltage and inductor current for fast inner-loop regulation. The 100 MHz core sustains control updates at hundreds of kHz switching frequencies, and CAN FD enables digital telemetry between converter units in stacked or modular power systems. Using the integrated op amps for shunt-current conditioning removes discrete amplifier stages, improving both accuracy and BOM cost in server and telecom power bricks.
Recommandé
Automotive and Industrial CAN FD Nodes
The integrated CAN Flexible Data-Rate module makes the DSPIC33CK256MC505-I/M7 well suited to automotive body, actuator and auxiliary control nodes, as well as industrial CANopen-FD networks. CAN FD provides 64-byte payloads and faster data-phase bit rates than classical CAN, and this DSC combines that connectivity with the 100 MHz core needed to service network stacks alongside real-time control tasks. The -40C to +85C industrial grade covers harsh under-hood-adjacent and factory environments, and the device belongs to Microchip's functional-safety (FuSa) supported family, easing safety-process documentation. Placed behind a CAN FD transceiver, it handles both messaging and local motor or power control on a single chip.
Recommandé
Advanced Sensing and Sensor Fusion
For multi-sensor acquisition nodes, the DSPIC33CK256MC505-I/M7 pairs its 12-bit ADC with on-chip op amps to directly condition signals from current shunts, pressure bridges and other low-level sources. The 100 MHz DSP engine runs filtering (IIR/FIR), FFT-based analysis, and sensor-fusion algorithms in real time, while 32 KB of RAM buffers acquisition windows for local analytics. Multiple serial interfaces (UART, SPI, I2C) aggregate external digital sensors, and CAN FD exports processed results to supervisory controllers. This architecture suits vibration monitoring, precision load sensing, and predictive-maintenance endpoints where deterministic sampling timing matters as much as raw throughput.
Recommandé
Industrial Automation and Robotics
Robot joints, conveyors, CNC axes and factory automation subsystems benefit from the DSPIC33CK256MC505-I/M7's blend of DSP-grade control and industrial networking. The device closes motor current loops for servo-grade motion at 100 MHz, coordinates multi-axis timing through high-resolution PWM synchronization, and reports over CAN FD to PLC-class controllers. Its 256 KB Flash holds trajectory planning and communications stacks simultaneously, and the -40C to +85C rating plus FuSa family support fit factory-floor reliability requirements. In a typical servo drive, this DSC replaces separate MCU-plus-DSP solutions, shortening control latency and reducing component count on dense multi-axis boards.
Recommandé
General Embedded High-Performance Control
Beyond dedicated motor and power roles, the DSPIC33CK256MC505-I/M7 serves as a high-performance general embedded controller where 16-bit determinism, DSP instructions and rich analog integration outperform general-purpose MCUs. Typical uses include lighting ballasts, welding equipment, HVAC compressors, and test-instrument sub-systems that need fast control loops plus serial connectivity. The single-core dsPIC33CK architecture with enhanced on-chip peripherals keeps interrupt latency predictable - an advantage over complex multi-core MCUs for hard real-time tasks. With 256 KB Flash and 32 KB RAM, mid-size applications run comfortably, and Microchip's MPLAB toolchain plus ICSP programming (matched PGECx/PGEDx pairs) keep development and production flashing straightforward.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33CK256MC505-I/M7 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33CK256MC505-E/M7 | DSPIC33CK256MC505-H/M7 | DSPIC33CK256MP505 |
|---|---|---|---|---|
| Package | 48-pin VQFN (6x6 mm) | 48-pin VQFN (6x6 mm) - same | 48-pin PQCC/VQFN (6x6 mm) - same footprint | 64-pin TQFP - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz | 100 MHz | 64 MHz | 100 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB |
| CAN FD | Yes | Yes | Yes | Yes |
| On-chip Op Amps / 12-bit ADC | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
| Pin-to-Pin Drop-In | - | Yes | Yes | No (different package) |
Principaux différenciateurs
- Full 100 MHz performance grade (vs DSPIC33CK256MC505-H/M7)
- Compact 48-pin VQFN footprint with full analog integration (vs DSPIC33CK256MP505)
- Industrial temperature rating at standard cost (vs DSPIC33CK256MC505-E/M7)
Notes de conception
The 48-VQFN (6x6 mm) M7 package has a center exposed thermal pad that must be soldered to a grounded copper pour for thermal relief and ground integrity. Use a via array (typically 3x3 or 4x4) under the pad connecting to internal ground planes. Keep the CAN FD transceiver within 2-3 cm of the CANxTx/Rx pins and route the CAN bus as a controlled-impedance differential pair. Place the ICSP connector so one PGECx/PGEDx pair is fully routed - remember ICSPCLK and ICSPDAT must come from the same numbered pair (e.g., PGEC2 with PGED2).
Decouple each VDD pin with 100 nF ceramic capacitors placed within 1-2 mm of the pin, plus one bulk 4.7-10 uF capacitor per supply domain. The dsPIC33CK core operates from an internal regulator requiring an external VCAP capacitor on the regulator output - fit the exact value the datasheet specifies (typically a low-ESR ceramic) and keep the trace short, because an undersized or distant VCAP capacitor is the most common cause of erratic reset and core instability on dsPIC33CK designs.
Using mismatched PGECx/PGEDx pins is the top ICSP failure mode on the dsPIC33CK256MC505: programming tools fail or behave intermittently if ICSPCLK comes from PGEC2 while ICSPDAT connects to PGED1. Define the programming pair at schematic capture time and lock it. Also, when migrating between -I/M7 (100 MHz) and -H/M7 (64 MHz) variants, review clock configuration and loop timing - firmware tuned for 100 MHz MIPS budgets will overrun control deadlines at 64 MHz without recalculation.
Informations de conformité
RoHS compliance per JLCPCB parts library listing. The dsPIC33CK family is described by Microchip as a functional-safety (FuSa) supported family. REACH, lead-free, halogen-free and conflict-minerals statuses not stated in provided data.
