PIC32MK0256MCJ048T-E/7MX - 256KB Flash 32-bit MCU, 80MHz, Motor Control | Microchip
MPN: PIC32MK0256MCJ048T-E/7MX ✓ Hoạt độngPIC32MK0256MCJ048T-E/7MX Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC32MK0256MCJ048T-E/7MX — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MK0256MCJ048T-E/7MX (cùng hình factor và footprint) — khác nhau ở ADC, Package, Motor Control PWM, Operating Temperature, Program Memory (Flash).
PIC32MK0256MCJ048-E/7MX
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK0256GPG048T-E/Y8X
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK0256GPG048-E/7MX
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32CM1216MC00048T-I/Y8X
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32CM6408MC00048-E/Y8X
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MK0256MCJ048T-E/7MX Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 48-pin VQFN (6x6 mm) with exposed pad (7MX) |
| Kiểu lắp đặt | 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 |
| Nhiệt độ hoạt động | -40C to +125C |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC32MK0256MCJ048T-E/7MX
| Chân 1 | RPB0/AN0/PWM1H0 — GPIO RB0, analog AN0, PWM1 channel 0 high-side |
| Chân 2 | RPB1/AN1/PWM1L0 — GPIO RB1, analog AN1, PWM1 channel 0 low-side |
| Chân 3 | RPB2/AN2/PWM1H1 — GPIO RB2, analog AN2, PWM1 channel 1 high-side |
| Chân 4 | RPB3/AN3/PWM1L1 — GPIO RB3, analog AN3, PWM1 channel 1 low-side |
| Chân 5 | RPB4/AN4/PWM1H2 — GPIO RB4, analog AN4, PWM1 channel 2 high-side |
| Chân 6 | RPB5/AN5/PWM1L2 — GPIO RB5, analog AN5, PWM1 channel 2 low-side |
| Chân 7 | RPC0/PWM1H3 — GPIO RC0, PWM1 channel 3 high-side |
| Chân 8 | RPC1/PWM1L3 — GPIO RC1, PWM1 channel 3 low-side |
| Chân 9 | RPC2 — GPIO RC2 |
| Chân 10 | RPC3 — GPIO RC3 |
| Chân 11 | VSS — Ground |
| Chân 12 | RPC4 — GPIO RC4 |
| Chân 13 | RPC5 — GPIO RC5 |
| Chân 14 | RPC6 — GPIO RC6 |
| Chân 15 | RPC7 — GPIO RC7 |
| Chân 16 | VSS — Ground |
| Chân 17 | VDD — Supply voltage (2.3V to 3.6V) |
| Chân 18 | RPD0 — GPIO RD0 |
| Chân 19 | RPD1 — GPIO RD1 |
| Chân 20 | RPD2 — GPIO RD2 |
| Chân 21 | RPD3 — GPIO RD3 |
| Chân 22 | RPD4 — GPIO RD4 |
| Chân 23 | RPD5 — GPIO RD5 |
| Chân 24 | RPD6 — GPIO RD6 |
| Chân 25 | RPD7 — GPIO RD7 |
| Chân 26 | RPE0 — GPIO RE0 |
| Chân 27 | RPE1 — GPIO RE1 |
| Chân 28 | RPE2 — GPIO RE2 |
| Chân 29 | RPE3 — GPIO RE3 |
| Chân 30 | RPF0 — GPIO RF0 |
| Chân 31 | RPF1 — GPIO RF1 |
| Chân 32 | RPG0 — GPIO RG0 |
| Chân 33 | RPG1 — GPIO RG1 |
| Chân 34 | RPG2 — GPIO RG2 |
| Chân 35 | RPG3 — GPIO RG3 |
| Chân 36 | VDD — Supply voltage (2.3V to 3.6V) |
| Chân 37 | AVDD — Analog supply voltage |
| Chân 38 | AVSS — Analog ground |
| Chân 39 | AN16 — Analog input 16 |
| Chân 40 | AN17 — Analog input 17 |
| Chân 41 | AN18 — Analog input 18 |
| Chân 42 | VCAP — Voltage regulator output (decoupling cap) |
| Chân 43 | OSC1 — Crystal oscillator input |
| Chân 44 | OSC2 — Crystal oscillator output |
| Chân 45 | MCLR — Master clear / reset input |
| Chân 46 | PGD — ICSP data |
| Chân 47 | PGC — ICSP clock |
| Chân 48 | CANRX/CANTX — CAN-FD bus interface |
Ứng dụng tiêu biểu
PIC32MK0256MCJ048T-E/7MX phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MK0256MCJ048T-E/7MX — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Dedicated motor-control peripherals integrated on-chip (vsPIC32MK0256GPG048T-E/Y8X)
- Same die drop-in alternative available in tray packaging (vsPIC32MK0256MCJ048-E/7MX)
- AEC-Q100 automotive qualification at -40C to +125C (vsPIC32MK0256GPG048-E/7MX)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
