DSPIC33CK256MC502-I/2N - 16-bit 100MIPS DSC, CAN FD | Microchip
N.º de pieza: DSPIC33CK256MC502-I/2N ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.85 | $5,85 |
| 10 | $5.35 | $53,50 |
| 100 | $4.78 | $478,00 |
| 500 | $4.35 | $2.175,00 |
| 1.000 | $3.95 | $3.950,00 |
DSPIC33CK256MC502-I/2N Descripción general
A Digital Signal Controller combines the compute throughput of a digital signal processor with the peripheral integration and control peripherals of a microcontroller. Within the power-management hierarchy, the dsPIC33CK sits between a general-purpose MCU and a dedicated DSP, offering single-cycle MAC/DSP instructions, high-resolution PWM, and fast analog-to-digital conversion on one chip, making it a power management and motor control system-on-chip for embedded control applications.
Key differentiating features include the 100 MIPS core with DSP-enhanced instruction set, on-chip operational amplifiers, a 12-bit high-speed ADC, and a CAN FD interface for automotive and industrial networking. The high-speed PWM peripherals support complementary outputs, dead-time insertion, and advanced motor-control topologies such as field-oriented control (FOC).
The dsPIC33CK256MC50X family architecture integrates DMA for efficient data movement, multiple communication interfaces (UART, SPI, I2C), and Functional Safety (FuSa) support per the DigiKey listing, enabling certified designs. The 12-bit ADC can be synchronized to the PWM for current sampling in digital power and motor-drive loops.
Typical applications include brushless DC and PMSM motor control, digital switching power supplies (AC/DC, DC/DC), CAN FD networked industrial nodes, and high-performance general-purpose embedded control. The combination of op-amps, ADC, and PWM allows complete analog signal chains to be implemented on-chip, reducing BOM count.
Design consideration: the 28-pin UQFN package demands careful decoupling placement; use multiple VDD/VSS pairs with 100 nF ceramics close to each supply pin, and plan the ICSP programming pair (PGECx/PGEDx) on the PCB for in-circuit debugging with MPLAB SNAP or ICD tools.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para DSPIC33CK256MC502-I/2N — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con DSPIC33CK256MC502-I/2N (mismo factor de forma y huella) — difiere en Core, Operating Temperature, CAN Interface.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33CK256MC502-E/2N
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33CK128MC502-I/2N
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.86 / unidad
Ver hoja de datos →DSPIC33CK128MP202-I/2N
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$3.05 / unidad
Ver hoja de datos →DSPIC33CK256MC502-I/2N Valores máximos y características eléctricas
| Core | dsPIC33CK 16-bit DSC |
| Core Speed | 100 MHz (100 MIPS) |
| Flash Program Memory | 256 KB (256K x 8) |
| RAM | 32 KB |
| ADC Resolution | 12-bit |
| CAN Interface | CAN FD |
| On-chip Op-Amps | Yes |
| PWM | High-Speed PWM |
| DMA Channels | 4 |
| Tensión de alimentación | 3.0 V to 3.6 V |
| Temperatura de funcionamiento | -40C to +85C |
| Encapsulado | 28-UQFN (6x6 mm) |
| Tipo de montaje | Surface Mount |
| Programming | ICSP (In-Circuit Serial Programming) |
| Functional Safety Support | Yes (FuSa) |
Guía de configuración de pines de DSPIC33CK256MC502-I/2N 28-uqfn (6x6 mm)
Configuración de pines para DSPIC33CK256MC502-I/2N (encapsulado 28-uqfn (6x6 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para DSPIC33CK256MC502-I/2N.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33CK256MC502-I/2N es adecuado para 6 aplicacións: Brushless DC / PMSM Motor Control, Digital Power Supplies (AC/DC, DC/DC, PFC), CAN FD Industrial Networking Nodes, Sensor Signal Conditioning with On-chip Op-Amps, Battery Management and e-Mobility Control Boards, High-Performance General Embedded Control.
Brushless DC / PMSM Motor Control
The DSPIC33CK256MC502-I/2N fits sensorless and sensored FOC motor drives because its 100 MIPS core executes field-oriented control loops fast enough for high electrical speeds, while the high-speed PWM provides complementary outputs with dead-time insertion and the 12-bit ADC samples phase currents synchronized to PWM centers. The on-chip op-amps can amplify shunt-current signals directly, removing external amplifier ICs from a typical 3-phase inverter. Designers use the 256 KB Flash to hold FOC algorithms, commutation tables, and communication stacks simultaneously. In a 28-pin layout, plan current-sense pins and PWM outputs early, since the UQFN footprint limits rework. Quantified benefit: single-chip control reduces loop latency versus discrete amplifier-plus-ADC chains and lowers BOM cost in high-volume drives.
Recomendado
Digital Power Supplies (AC/DC, DC/DC, PFC)
Digital switching power supplies benefit from the DSPIC33CK256MC502-I/2N's tight ADC-to-PWM synchronization: the 12-bit ADC can trigger from the PWM time base so current-mode control samples land on the switching cycle midpoint, minimizing switching-noise corruption. The 100 MIPS DSP core runs proportional-integral compensators with single-cycle MAC instructions, supporting control-loop update rates in the hundreds of kilohertz for LLC, totem-pole PFC, and buck topologies. The high-speed PWM offers phase-shift and leading/trailing-edge modes needed for these converters. The CAN FD interface enables digital power supplies to report telemetry in server and telecom shelves. Note the trade-off: the 3.0-3.6 V supply domain requires level shifting to gate-driver logic at higher voltages.
Recomendado
CAN FD Industrial Networking Nodes
The integrated CAN Flexible Data-Rate (CAN FD) controller makes the DSPIC33CK256MC502-I/2N a compact industrial node: CAN FD raises payload to 64 bytes per frame and boosts the data phase well beyond classical CAN bit rates, useful for motion-control buses, battery-management telemetry, and factory sensor aggregation. Because the CAN FD module is on-chip, the 28-pin UQFN leaves sufficient I/O for local sensing while a single external CAN transceiver completes the physical layer. The 256 KB Flash accommodates protocol stacks, application logic, and OTA-style firmware update routines together. Designers should enable the FuSa documentation package where functional-safety compliance is required, as this device is listed by DigiKey under Functional Safety (FuSa) support.
Recomendado
Sensor Signal Conditioning with On-chip Op-Amps
With on-chip operational amplifiers feeding the 12-bit ADC, the DSPIC33CK256MC502-I/2N can close analog signal chains entirely in silicon: pressure-bridge, thermocouple-with-PGA-alternatives, and current-shunt front ends can be amplified by the internal op-amps, sampled by the 12-bit ADC with DMA offload (4 DMA channels move conversion results without CPU intervention), and processed with DSP filter instructions. This integration suits compact sensor nodes where board area is constrained by the 6x6 mm controller footprint. Quantified benefit: eliminating one external dual op-amp saves roughly 10-20 mm2 and its associated BOM cost per node. Verify op-amp bandwidth against your signal band in the datasheet before committing, since gain-bandwidth limits set the usable amplifier range.
Recomendado
Battery Management and e-Mobility Control Boards
Battery-powered traction and tool platforms pair the DSPIC33CK256MC502-I/2N's CAN FD networking and motor-control PWM in one 28-pin controller: the same die can run a motor drive loop and exchange pack telemetry over CAN FD, reducing controller count versus separate MCU-plus-CAN-chip designs. The 100 MIPS headroom supports coulomb counting, balancing decisions, and protection-state machines alongside commutation. The industrial -40C to +85C rating covers most under-hood accessory and power-tool environments; for engine-bay or on-charger positions exceeding +85C, select the drop-in -E/2N variant rated to +125C without PCB changes. Plan the ADC sampling of cell-voltage multiplexers early, as the 28-pin package limits analog channel availability.
Recomendado
High-Performance General Embedded Control
For compute-heavy general embedded systems - data acquisition, DSP filtering, encryption-assisted logging, or legacy DSP replacement - the dsPIC33CK256MC502-I/2N offers 100 MIPS throughput with DSP-enhanced instructions, 32 KB of RAM for buffering, and DMA that decouples peripheral traffic from the CPU. The 256 KB Flash supports feature-rich firmware including communication stacks (UART, SPI, I2C) plus CAN FD in one part. Compared with a Cortex-M class MCU, the dsPIC33CK's deterministic single-cycle MAC and tightly coupled PWM/ADC make fixed-point control code simpler and cycle-count predictable. Debug via ICSP with MPLAB SNAP keeps the 28-pin board free of dedicated debug connectors beyond a 5-pin header, preserving I/O count in dense designs.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33CK256MC502-I/2N — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33CK256MC502-E/2N | DSPIC33CK128MC502-I/2N | DSPIC33CK128MP202-I/2N |
|---|---|---|---|---|
| Package | 28-UQFN (6x6) | 28-UQFN (6x6) - same | 28-UQFN (6x6) - same | 28-UQFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Flash Memory | 256 KB | 256 KB | 128 KB | 128 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB |
| CAN FD | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
Diferenciadores clave
- Full 256 KB Flash for feature-rich firmware (frente a DSPIC33CK128MC502-I/2N)
- Industrial temperature ceiling with drop-in upgrade path (frente a DSPIC33CK256MC502-E/2N)
- Integrated op-amps simplify analog front ends (frente a DSPIC33CK128MP202-I/2N)
Notas de diseño
On the 28-pin UQFN (6x6) footprint, place 100 nF ceramic decoupling capacitors within 2 mm of every VDD/VSS pin pair, and add one 4.7-10 uF bulk capacitor near the controller. Connect the exposed pad to a solid ground plane with an array of vias for thermal and ground integrity. Keep the ICSP programming pair routed to a header at layout time; per Microchip programming documentation, PGECx and PGEDx must be used as matched pairs and cannot be mixed across pairs.
For ADC accuracy in motor and power applications, trigger the 12-bit ADC from the PWM time base so sampling occurs during PWM center or off-times, away from switch-node transients. Keep analog traces (op-amp inputs, VREF) away from PWM gate-drive lines, and use a dedicated analog ground region tied at a single point to power ground. Estimated: even 100 mV of switching noise on a 3.3 V reference represents over 120 LSBs of error at 12-bit resolution, so filtering strategy directly defines achievable control-loop precision.
Do not exceed the 3.0-3.6 V supply domain; the dsPIC33CK is a 3.3 V-only controller and 5 V-tolerant claims should be verified pin-by-pin in the datasheet before interfacing with 5 V logic or gate drivers. When substituting the MP-family DSPIC33CK128MP202-I/2N on the same footprint, remember peripheral multiplexing differs - reassign PPS (peripheral pin select) mappings and revalidate op-amp-dependent analog front ends, since the MP variant's peripheral set targets motor-control PWM rather than the MC-family mix.
Información de cumplimiento
Verified web data for this exact ordering code did not include explicit RoHS/REACH certificate text. Microchip standard production parts are typically lead-free/RoHS-compliant, but obtain the official certificate from Microchip's compliance portal before regulatory filings.