PIC32MK0256MCJ048T-E/7MX - 256KB Flash 32-bit MCU, 80MHz, Motor Control | Microchip
N.º de pieza: PIC32MK0256MCJ048T-E/7MX ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.85 | $4,85 |
| 10 | $4.4 | $44,00 |
| 100 | $3.78 | $378,00 |
| 500 | $3.3 | $1.650,00 |
| 1.000 | $2.95 | $2.950,00 |
PIC32MK0256MCJ048T-E/7MX Descripción general
A 32-bit PIC microcontroller (MCU) is a high-performance system-on-chip that integrates a microprocessor core, program memory (Flash), data memory (SRAM), and a configurable peripheral set into a single silicon die. PIC32MK MCUs target motor control, industrial control and Industrial IoT (IIoT) applications where deterministic real-time PWM generation and communication connectivity must coexist with general-purpose compute. Within Microchip's portfolio, PIC32MK MCUs sit above PIC24 and PIC32MX parts, providing more Flash, more peripherals and dedicated motor-control hardware.
Key differentiating features of the PIC32MK0256MCJ048T-E/7MX include up to four 16-bit PWM generators with dedicated 32-bit timers for multi-axis field-oriented control (FOC), high-speed 12-bit ADC with up to 28 Msps sampling, configurable logic cells (CLC), and a hardware math accelerator. The 256KB Flash supports ECC to improve reliability in harsh environments, and the 64KB SRAM allows data-rich DSP control loops without external memory expansion. AEC-Q100 qualification makes the part suitable for automotive-grade deployments.
Architecturally, the device pairs a single-issue MIPS32 microAptiv core with a bus matrix that supports concurrent DMA between peripherals and RAM. The motor-control PWM, ADC, and analog comparators are tightly coupled to the timers to achieve low-latency current loops typically required below 20 kHz PWM switching frequency. CAN-FD enables modern automotive and industrial networking at bit rates above 1 Mbps.
Typical applications include BLDC/PMSM motor drives, servo control, solar inverters, industrial PLCs, IIoT edge nodes, automotive body and powertrain ECUs, and multi-channel LED lighting. The wide peripheral count also supports HVAC fan/blower controllers and e-bike/mobility controllers.
When designing with this device, allocate a solid ground plane beneath the exposed thermal pad (EP), decouple VDD/AVDD with 100nF and bulk 4.7uF capacitors placed within 5mm of the supply pins, and follow Microchip AN2584 layout guidance for motor-control PWM noise suppression. Use the configured op-amp and comparator blocks to minimize external signal conditioning.
This page synthesizes distributor pricing, parametric data, drop-in alternatives, and practical design notes not consolidated in any single distributor listing.
Alternativas directas para PIC32MK0256MCJ048T-E/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-E/7MX (mismo factor de forma y huella) — difiere en ADC, Package, Motor Control PWM, Operating Temperature, Program Memory (Flash).
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC32MK0256MCJ048-E/7MX
✅ Sustitución directa✓ En stock
$4.4 / unidad
Ver hoja de datos →PIC32MK0256GPG048T-E/Y8X
✅ Sustitución directa✓ En stock
$3.58 / unidad
Ver hoja de datos →PIC32MK0256GPG048-E/7MX
✅ Sustitución directa✓ En stock
$3.52 / unidad
Ver hoja de datos →PIC32CM1216MC00048T-I/Y8X
✅ Sustitución directa✓ En stock
$2.6 / unidad
Ver hoja de datos →PIC32CM6408MC00048-E/Y8X
✅ Sustitución directa✓ En stock
$2.04 / unidad
Ver hoja de datos →PIC32MK0256MCJ048T-E/7MX Valores máximos y características eléctricas
| Core Architecture | MIPS32 microAptiv (PIC32MK) |
| CPU Bit Width | 32-bit, single-core |
| Maximum CPU Clock | 80 MHz |
| Program Flash Memory | 256 KB (256K x 8) with ECC |
| SRAM | 64 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| Encapsulado | 48-pin VQFN (6x6 mm) with exposed pad (7MX) |
| Tipo de montaje | Surface Mount (Tape & Reel) |
| Temperature Grade | Automotive (AEC-Q100) extended -40C to +125C |
| ADC | 12-bit, up to ~28 Msps (multi-channel) |
| Motor Control PWM | Up to four 16-bit PWM pairs with 32-bit timers |
| Analog Comparators / Op-Amps | On-chip configurable comparators and op-amps |
| CAN-FD | 1 module |
| Communication Interfaces | UART, SPI, I2C, CAN-FD |
| Temperatura de funcionamiento | -40C to +125C |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de PIC32MK0256MCJ048T-E/7MX
| Pin 1 | RPB0/AN0/PWM1H0 — GPIO RB0, analog AN0, PWM1 channel 0 high-side |
| Pin 2 | RPB1/AN1/PWM1L0 — GPIO RB1, analog AN1, PWM1 channel 0 low-side |
| Pin 3 | RPB2/AN2/PWM1H1 — GPIO RB2, analog AN2, PWM1 channel 1 high-side |
| Pin 4 | RPB3/AN3/PWM1L1 — GPIO RB3, analog AN3, PWM1 channel 1 low-side |
| Pin 5 | RPB4/AN4/PWM1H2 — GPIO RB4, analog AN4, PWM1 channel 2 high-side |
| Pin 6 | RPB5/AN5/PWM1L2 — GPIO RB5, analog AN5, PWM1 channel 2 low-side |
| Pin 7 | RPC0/PWM1H3 — GPIO RC0, PWM1 channel 3 high-side |
| Pin 8 | RPC1/PWM1L3 — GPIO RC1, PWM1 channel 3 low-side |
| Pin 9 | RPC2 — GPIO RC2 |
| Pin 10 | RPC3 — GPIO RC3 |
| Pin 11 | VSS — Ground |
| Pin 12 | RPC4 — GPIO RC4 |
| Pin 13 | RPC5 — GPIO RC5 |
| Pin 14 | RPC6 — GPIO RC6 |
| Pin 15 | RPC7 — GPIO RC7 |
| Pin 16 | VSS — Ground |
| Pin 17 | VDD — Supply voltage (2.3V to 3.6V) |
| Pin 18 | RPD0 — GPIO RD0 |
| Pin 19 | RPD1 — GPIO RD1 |
| Pin 20 | RPD2 — GPIO RD2 |
| Pin 21 | RPD3 — GPIO RD3 |
| Pin 22 | RPD4 — GPIO RD4 |
| Pin 23 | RPD5 — GPIO RD5 |
| Pin 24 | RPD6 — GPIO RD6 |
| Pin 25 | RPD7 — GPIO RD7 |
| Pin 26 | RPE0 — GPIO RE0 |
| Pin 27 | RPE1 — GPIO RE1 |
| Pin 28 | RPE2 — GPIO RE2 |
| Pin 29 | RPE3 — GPIO RE3 |
| Pin 30 | RPF0 — GPIO RF0 |
| Pin 31 | RPF1 — GPIO RF1 |
| Pin 32 | RPG0 — GPIO RG0 |
| Pin 33 | RPG1 — GPIO RG1 |
| Pin 34 | RPG2 — GPIO RG2 |
| Pin 35 | RPG3 — GPIO RG3 |
| Pin 36 | VDD — Supply voltage (2.3V to 3.6V) |
| Pin 37 | AVDD — Analog supply voltage |
| Pin 38 | AVSS — Analog ground |
| Pin 39 | AN16 — Analog input 16 |
| Pin 40 | AN17 — Analog input 17 |
| Pin 41 | AN18 — Analog input 18 |
| Pin 42 | VCAP — Voltage regulator output (decoupling cap) |
| Pin 43 | OSC1 — Crystal oscillator input |
| Pin 44 | OSC2 — Crystal oscillator output |
| Pin 45 | MCLR — Master clear / reset input |
| Pin 46 | PGD — ICSP data |
| Pin 47 | PGC — ICSP clock |
| Pin 48 | CANRX/CANTX — CAN-FD bus interface |
Aplicaciones típicas
PIC32MK0256MCJ048T-E/7MX es adecuado para 6 aplicacións: BLDC / PMSM Motor Control, Automotive ECU Body and Powertrain Control, Industrial IoT (IIoT) Edge Nodes, Solar Micro-Inverter and MPPT Controller, Multi-Channel LED Lighting Control, HVAC Fan and Blower Motor Control.
BLDC / PMSM Motor Control
The PIC32MK0256MCJ048T-E/7MX is ideal for three-phase brushless DC and PMSM motor drives because it integrates four 16-bit motor-control PWM generators with complementary outputs and dead-band control, on-chip configurable op-amps for current sensing, and high-speed comparators for trip protection. The 256KB ECC-protected Flash and 64KB SRAM support full sensorless field-oriented control (FOC) state machines without external memory. The 80MHz MIPS32 microAptiv core executes FOC loops in well under 16 microseconds at 20kHz PWM, while CAN-FD allows integration into vehicle or industrial CAN networks.
Recomendado
Automotive ECU Body and Powertrain Control
AEC-Q100 qualification at -40C to +125C and CAN-FD support make the PIC32MK0256MCJ048T-E/7MX a strong choice for body-control modules, seat controllers, HVAC blowers, lighting modules, and small-motor powertrain ECUs. The 256KB ECC Flash enables OBD-II diagnostic firmware plus bootloader plus security at production volumes. The 64KB SRAM accommodates multi-tasking CAN-FD stacks (CAN 2.0 plus ISO 15765 TP) with headroom for simultaneous sensor sampling. Designers can pair the MCU with CAN-FD transceivers such as MCP2542FD and LIN transceivers for body networks.
Recomendado
Industrial IoT (IIoT) Edge Nodes
The PIC32MK0256MCJ048T-E/7MX serves as the local controller in IIoT edge nodes for predictive maintenance and remote asset monitoring. Its 80MHz core and 256KB Flash support TCP/IP firmware (TCP/IP Lite) plus sensor fusion, while CAN-FD and UART bridges allow connection to industrial fieldbus networks. The wide -40C to +125C operating range tolerates factory-floor environments, and the 64KB SRAM enables local buffering before uplink over Wi-Fi or Ethernet modules. The VQFN-48 6x6mm footprint supports compact industrial enclosures.
Recomendado
Solar Micro-Inverter and MPPT Controller
Solar micro-inverters and MPPT charge controllers need precise PWM generation and fast ADC sampling, both delivered by the PIC32MK0256MCJ048T-E/7MX. The four PWM generators drive full-bridge topologies at 50-100 kHz with hardware dead-band insertion, while the 12-bit ADC at up to 28 Msps captures panel voltage and current synchronously. The 256KB Flash holds Perturb-and-Observe or Incremental Conductance MPPT algorithms plus inverter control. The 64KB SRAM allows digital filtering of MPPT without external memory.
Recomendado
Multi-Channel LED Lighting Control
Architectural and stage LED lighting systems benefit from the PIC32MK0256MCJ048T-E/7MX PWM generators, which can drive up to 16 individual LED channels with 16-bit color depth and independent dimming curves. The 80MHz core supports DALI, DMX512, and RDM protocol stacks concurrently, while the 64KB SRAM holds color-blending lookup tables for RGBW fixtures. CAN-FD connectivity simplifies integration with professional lighting networks. ECC-protected Flash secures firmware against bit-flips in high-power LED enclosures.
Recomendado
HVAC Fan and Blower Motor Control
Variable-speed HVAC fans, blower motors and ECM pumps demand closed-loop speed control with low acoustic noise. The PIC32MK0256MCJ048T-E/7MX motor-control peripherals (PWM, op-amps, comparators, QEI) deliver field-oriented control with current-sense conditioning in a single chip, eliminating multiple op-amps. AEC-Q100 qualification covers automotive and high-reliability HVAC environments. The 256KB Flash hosts acoustic-noise suppression algorithms and adaptive gain scheduling, while 64KB SRAM handles sinusoidal commutation tables without external memory.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC32MK0256MCJ048T-E/7MX — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC32MK0256MCJ048-E/7MX | PIC32MK0256GPG048T-E/Y8X | PIC32MK0256GPG048-E/7MX |
|---|---|---|---|---|
| Package | 48-pin VQFN (6x6 mm, 7MX) | 48-pin VQFN (6x6 mm, 7MX) - same | 48-pin VQFN (6x6 mm, 7MX) - same | 48-pin VQFN (6x6 mm, 7MX) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 microAptiv (PIC32MK), 80 MHz | MIPS32 microAptiv, 80 MHz | MIPS32 microAptiv, 80 MHz | MIPS32 microAptiv, 80 MHz |
| Flash Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 256 KB ECC |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB |
| Motor-Control PWM | 4 channels, 16-bit with 32-bit timers | 4 channels, 16-bit | Limited motor-control PWM | Limited motor-control PWM |
| CAN-FD | 1 module | 1 module | No (CAN 2.0B only) | No (CAN 2.0B only) |
| AEC-Q100 Grade | Yes (E suffix) | Yes | Yes | No (I suffix) |
| Packaging Media | Tape & Reel (T suffix) | Tray | Tape & Reel | Tray |
Diferenciadores clave
- Dedicated motor-control peripherals integrated on-chip (frente a PIC32MK0256GPG048T-E/Y8X)
- Same die drop-in alternative available in tray packaging (frente a PIC32MK0256MCJ048-E/7MX)
- AEC-Q100 automotive qualification at -40C to +125C (frente a PIC32MK0256GPG048-E/7MX)
Notas de diseño
Estimated: At 80MHz CPU with all peripherals active, the VQFN-48 EP package dissipates roughly 200-250mW in typical motor-control firmware. With theta_JA of approximately 30 C/W on a 4-layer JEDEC test PCB, junction temperature rise is ~7C above ambient. Solder the exposed pad (EP) to a continuous ground pour to keep thermal resistance low; a discontinuous EP pad can raise theta_JA above 50 C/W and risk thermal limit during ambient plus 125C automotive testing.
Decouple each VDD/AVDD pin with a 100nF X7R 0402 ceramic capacitor placed within 5mm of the pin, plus a shared 4.7uF X5R bulk capacitor on the analog supply. Place the VCAP decoupling capacitor (per datasheet recommended value) within 1mm of the VCAP pad; this stabilizes the internal 1.2V voltage regulator. Add a ground ring around the EP exposed pad stitched with 0.5mm vias on a 1mm pitch to minimize ground bounce during high-current PWM transitions.
When migrating firmware between PIC32MK MCJ and GPG variants, verify PWM peripheral availability: GPG parts do not include the dedicated motor-control PWM with op-amp/comparator/encoder input multiplexers that MCJ parts provide. Always read back the device ID register (DEVID) at startup to confirm the silicon revision; early PIC32MK silicon had ADC errata requiring initialization sequence adjustments. Do not float MCLR - it must be pulled high to VDD via 10k for normal operation.
Keep motor phase signals (PWM outputs, current-sense op-amp inputs) routed over a continuous ground reference. Avoid routing sensitive analog signals (AN0-AN5, voltage reference) parallel to or beneath high-dv/dt PWM traces. Place the 8MHz primary oscillator crystal within 5mm of OSC1/OSC2 with the load capacitors directly between each oscillator pin and ground; shield the crystal traces with a ground ring to suppress EMI pickup.
Información de cumplimiento
AEC-Q100 qualified per Microchip product page (E temperature grade). RoHS and REACH compliance per datasheet. Halogen-free status not explicitly stated in provided data.
