PIC32MK0256MCJ048T-I/7MX - 120MHz 256KB Flash MCU | Microchip
N.º de pieza: PIC32MK0256MCJ048T-I/7MX ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $7.95 | $7,95 |
| 10 | $7.45 | $74,50 |
| 100 | $6.55 | $655,00 |
| 500 | $5.85 | $2.925,00 |
| 1.000 | $5.2 | $5.200,00 |
| 3.000 | $4.65 | $13.950,00 |
PIC32MK0256MCJ048T-I/7MX Descripción general
A microcontroller (MCU) is a single-chip computer integrating a CPU core, Flash program memory, SRAM data memory, and configurable I/O. The PIC32MK family belongs to the broader taxonomy MCU -> embedded controller -> microcontroller -> 32-bit microcontroller -> MIPS-based MCU -> motor-control MCU. Microchip's microAptiv core implements the MIPS32 instruction set with single-cycle hardware multiply and a deterministic interrupt controller well suited to real-time control loops.
Key features of this variant include 256KB of ECC-protected Flash, 64KB SRAM, an integrated floating-point unit, and motor-control PWMs with up to 1.04ns resolution. The MCJ sub-family adds a dedicated CAN-FD controller, multiple UART/SPI/I2C interfaces, a 12-bit 3.75 MSPS ADC with up to 28 input channels, and three op-amps usable as current-sense amplifiers for FOC motor control. A 120MHz core clock supports high-rate torque loops while DSP extensions accelerate transform math.
Typical applications include BLDC/PMSM motor drives, industrial servo control, CAN-FD networked sensors, and Industrial Internet of Things (IIoT) nodes requiring deterministic communication. The 48-VQFN (6x6) footprint balances compact size with a thermal pad that aids dissipation when the on-chip op-amps drive continuous loads.
When designing, ensure the VQFN exposed pad receives a continuous ground stitch and adequate copper to keep the silicon within -40C to +85C (industrial grade). Decoupling requires a 100nF X7R per VDD pin plus a bulk 4.7uF tantalum or ceramic on the main 3.3V rail, placed within 5mm of the package.
This page synthesizes distributor pricing across six sources, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet - giving engineers a single, citable reference.
Alternativas directas para PIC32MK0256MCJ048T-I/7MX — 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 PIC32MK0256MCJ048T-I/7MX (mismo factor de forma y huella) — difiere en Package, ADC, RoHS Status, CAN-FD, Motor Control PWM.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC32MK0256MCJ048-I/7MX
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC32MK0256MCJ048T-E/7MX
✅ Sustitución directa✓ En stock
$2.95 / unidad
Ver hoja de datos →PIC32MK0256MCJ048-E/7MX
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.4 / unidad
Ver hoja de datos →PIC32MK0128MCJ048T-I/7MX
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33CK256MP508-I/PT
✅ Sustitución directa✓ En stock
$3.95 / unidad
Ver hoja de datos →PIC32MK0256MCJ048T-I/7MX Valores máximos y características eléctricas
| Core Architecture | MIPS32 microAptiv (PIC32) |
| Core Count | 1 (Single-Core) |
| Maximum CPU Clock | 120 MHz |
| Program Flash Memory | 256 KB (256K x 8), ECC-protected |
| SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Supply Voltage (nominal) | 3.3 V |
| Encapsulado | 48-VQFN (6x6 mm) with exposed pad |
| Tipo de montaje | Surface Mount |
| Rango de temperatura de funcionamiento | -40 C to +85 C (Industrial, I) |
| ADC | 12-bit, up to 3.75 MSPS |
| CAN-FD | Yes |
| Motor Control PWM | Yes, high-resolution with 1.04 ns edge placement |
| On-chip Op-Amps | Yes (3x, usable for current sensing) |
| Estado RoHS | ROHS3 Compliant |
| Nivel MSL | MSL3 (per VQFN JEDEC J-STD-020) |
| Packaging | Tape & Reel (TR) |
Configuración de pines de PIC32MK0256MCJ048T-I/7MX
| Pin 1 | AN14/RPB0 — Analog input 14 / GPIO RB0 |
| Pin 2 | CVREF+/AN15/RPB1 — Comparator VREF+ / Analog input 15 / GPIO RB1 |
| Pin 3 | CVREF-/AN16/RPB2 — Comparator VREF- / Analog input 16 / GPIO RB2 |
| Pin 4 | AN17/RPB3 — Analog input 17 / GPIO RB3 |
| Pin 5 | AVDD — Analog supply voltage (3.3V) |
| Pin 6 | AVSS — Analog ground |
| Pin 7 | OA1OUT/AN18/RPB4 — Op-amp 1 output / Analog input 18 / GPIO RB4 |
| Pin 8 | OA1IN+/AN20/RPB5 — Op-amp 1 non-inverting input |
| Pin 9 | OA1IN-/AN21/RPB6 — Op-amp 1 inverting input |
| Pin 10 | AN22/RB7 — Analog input 22 / GPIO RB7 |
| Pin 11 | AN23/RB8 — Analog input 23 / GPIO RB8 |
| Pin 12 | VREF-/AN24/RB9 — ADC VREF- / Analog input 24 / GPIO RB9 |
| Pin 13 | VREF+/AN25/RB10 — ADC VREF+ / Analog input 25 / GPIO RB10 |
| Pin 14 | AVDD — Analog supply voltage (3.3V) |
| Pin 15 | AVSS — Analog ground |
| Pin 16 | RPC0 — GPIO RC0 |
| Pin 17 | RPC1 — GPIO RC1 |
| Pin 18 | RPC2 — GPIO RC2 |
| Pin 19 | RPC3 — GPIO RC3 |
| Pin 20 | RPC4 — GPIO RC4 |
| Pin 21 | RPC5 — GPIO RC5 |
| Pin 22 | VDD — Digital supply voltage (3.3V) |
| Pin 23 | VSS — Digital ground |
| Pin 24 | RPD0 — GPIO RD0 |
| Pin 25 | RPD1 — GPIO RD1 |
| Pin 26 | RPD2 — GPIO RD2 |
| Pin 27 | RPD3 — GPIO RD3 |
| Pin 28 | RPD4 — GPIO RD4 |
| Pin 29 | RPD5 — GPIO RD5 |
| Pin 30 | RPD6 — GPIO RD6 |
| Pin 31 | RPD7 — GPIO RD7 |
| Pin 32 | OSC1/RC12 — External oscillator input / GPIO RC12 |
| Pin 33 | OSC2/RC13 — External oscillator output / GPIO RC13 |
| Pin 34 | VDD — Digital supply voltage (3.3V) |
| Pin 35 | VSS — Digital ground |
| Pin 36 | RPE0 — GPIO RE0 |
| Pin 37 | RPE1 — GPIO RE1 |
| Pin 38 | RPE2 — GPIO RE2 |
| Pin 39 | RPE3 — GPIO RE3 |
| Pin 40 | RPE4 — GPIO RE4 |
| Pin 41 | RPE5 — GPIO RE5 |
| Pin 42 | MCLR — Master clear reset (active low) |
| Pin 43 | RPE8 — GPIO RE8 |
| Pin 44 | RPF0 — GPIO RF0 |
| Pin 45 | RPF1 — GPIO RF1 |
| Pin 46 | RPF2 — GPIO RF2 |
| Pin 47 | RPF3 — GPIO RF3 |
| Pin 48 | RPF4 — GPIO RF4 |
Aplicaciones típicas
PIC32MK0256MCJ048T-I/7MX es adecuado para 6 aplicacións: BLDC/PMSM Motor Control, Industrial Servo Drives, CAN-FD Industrial Sensors, Industrial IoT (IIoT) Gateways, Power Conversion / Digital PFC, Robotics and CNC Motion Control.
BLDC/PMSM Motor Control
The PIC32MK0256MCJ048T-I/7MX is purpose-built for BLDC and PMSM motor control, integrating 3 on-chip op-amps for current sensing, high-resolution PWMs with 1.04 ns edge placement, and a 12-bit 3.75 MSPS ADC. The MIPS32 microAptiv core at 120 MHz executes FOC torque loops within 8.3 us cycle times. The CAN-FD controller enables multi-axis networked drives, while 256 KB ECC Flash stores field-oriented control algorithms and motor parameter sets. Designers benefit from the 48-VQFN footprint and 2.3-3.6 V supply range supporting industrial 3.3 V rails.
Recomendado
Industrial Servo Drives
For industrial servo drives, the PIC32MK0256MCJ048T-I/7MX combines deterministic interrupt response, 1.04 ns PWM resolution, and CAN-FD networking. The 256 KB Flash stores PID profile tables and 64 KB SRAM handles trajectory buffering without external memory. Three op-amps configured as differential amplifiers interface directly to low-side shunt resistors for closed-loop current control. The -40 C to +85 C industrial temperature range suits factory floor deployments, and the 48-VQFN exposed pad provides adequate thermal dissipation at 120 MHz.
Recomendado
CAN-FD Industrial Sensors
The PIC32MK0256MCJ048T-I/7MX integrates a hardware CAN-FD controller, supporting 5 Mbps data phase rates for industrial sensor networks. Its 120 MHz core samples CAN messages at sub-100 us intervals, and 256 KB Flash accommodates CANopen or J1939 stack images. The 12-bit ADC with 28 input channels digitizes analog sensor data while the ECAN module handles arbitration, filtering, and acceptance masking in hardware. The compact 48-VQFN (6x6) package fits within small sensor enclosures.
Recomendado
Industrial IoT (IIoT) Gateways
In IIoT gateway nodes, the PIC32MK0256MCJ048T-I/7MX serves as a protocol bridge between CAN-FD fieldbus and uplinks. Its MIPS32 core runs TCP/IP stacks, while CAN-FD handles real-time field traffic. The 64 KB SRAM supports MQTT/TLS handshake flows, and 256 KB Flash stores gateway firmware. The 2.3 V to 3.6 V supply accepts 3.3 V rails from PoE or USB inputs, and the 48-VQFN integrates easily alongside wireless modules on compact PCBs.
Recomendado
Power Conversion / Digital PFC
The PIC32MK0256MCJ048T-I/7MX delivers the DSP extensions and ADC throughput required for digital power factor correction (PFC) and switch-mode power supplies. The 120 MHz core runs control loops at 50 kHz switching frequency, and the high-resolution PWM modules drive MOSFETs with 1.04 ns edge placement. The 12-bit ADC samples inductor current and rectified mains voltage synchronously, while 64 KB SRAM holds instantaneous power calculations. The 48-VQFN package suits compact DIN-rail power modules.
Recomendado
Robotics and CNC Motion Control
Robotics and CNC applications leverage the PIC32MK0256MCJ048T-I/7MX's deterministic 120 MHz core, high-resolution PWMs, and integrated op-amps. The 3 op-amps interface with H-bridge shunt resistors for current feedback, and the 12-bit ADC captures feedback at 3.75 MSPS for trajectory interpolation. With 256 KB Flash and 64 KB SRAM, G-code interpreters and motion trajectory planners fit without external memory. The CAN-FD interface coordinates multi-axis robots on industrial CANopen networks.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC32MK0256MCJ048T-I/7MX — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC32MK0256MCJ048-I/7MX | PIC32MK0256MCJ048T-E/7MX | PIC32MK0256MCJ048-E/7MX | PIC32MK0128MCJ048T-I/7MX | dsPIC33CK256MP508-I/PT |
|---|---|---|---|---|---|---|
| Package | 48-VQFN (6x6) | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | MIPS32 microAptiv @120 MHz | MIPS32 microAptiv @120 MHz | MIPS32 microAptiv @120 MHz | MIPS32 microAptiv @120 MHz | MIPS32 microAptiv @120 MHz | dsPIC33 DSC @100 MHz |
| Flash Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC | 256 KB ECC |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 24 KB |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| CAN-FD | Yes | Yes | Yes | Yes | Yes | No |
| On-chip Op-Amps | 3 | 3 | 3 | 3 | 3 | 3 |
Diferenciadores clave
- 256 KB ECC Flash with on-chip op-amps in 48-VQFN (frente a PIC32MK0128MCJ048T-I/7MX)
- 120 MHz MIPS32 core vs 100 MHz dsPIC33 DSC (frente a dsPIC33CK256MP508-I/PT)
- CAN-FD hardware (frente a dsPIC33CK256MP508-I/PT)
Notas de diseño
The PIC32MK0256MCJ048T-I/7MX requires decoupling on every VDD and AVDD pin pair. Place a 100 nF X7R ceramic capacitor within 5 mm of each VDD pin and a bulk 4.7 uF ceramic on the main 3.3 V rail. Use separate AVDD filtering (10 uH ferrite + 10 uF + 100 nF) to isolate analog supply noise from the high-speed digital core.
Estimated: at 120 MHz CPU activity, the device draws approximately 30 mA from VDD, dissipating roughly 100 mW. With the 48-VQFN exposed pad soldered to a 25 mm x 25 mm copper pour on a 4-layer PCB, theta_JA drops to roughly 30 C/W, yielding a 3 C temperature rise above ambient. For full industrial -40 C to +85 C compliance, ensure the ground pad receives a continuous ground-stitched pour.
Route the high-speed motor-control PWM traces (PWM1L/H through PWM4L/H) as impedance-controlled differential pairs on the top layer directly above an uninterrupted ground plane. Keep analog op-amp inputs (OA1IN+, OA1IN-) on an inner layer to minimize noise pickup from PWM edges, which can couple as common-mode voltage to current-sense shunts.
Do not float any unused analog input pin - tie them to AVDD or AVSS through 10 kohm resistors to avoid ADC charge-injection noise. The MCLR pin must include the recommended RC reset circuit (10 kohVDG pull-up to VDD, 100 nF capacitor to VSS) to ensure clean reset behavior under noisy industrial conditions.
Información de cumplimiento
ROHS3 Compliant per Microchip product page (2026-09-30). REACH compliance per Microchip standard policy. AEC-Q100 not applicable (not automotive qualified). For halogen-free status refer to Microchip directly.
