PIC32MK0512MCJ048-I/Y8X - 32-Bit 120MHz MCU with FPU & CAN-FD | Microchip
MPN: PIC32MK0512MCJ048-I/Y8X ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.83 | $4.83 |
| 10 | $4.35 | $43.50 |
| 100 | $3.86 | $386.00 |
| 500 | $3.49 | $1,745.00 |
| 1,000 | $3.1 | $3,100.00 |
| 2,500 | $2.79 | $6,975.00 |
PIC32MK0512MCJ048-I/Y8X Overview
A 32-bit microcontroller (MCU) is a programmable processor that integrates CPU, memory, and peripherals on a single die. Within the embedded hierarchy, microcontrollers fall under microprocessors -> processors -> semiconductors. The PIC32MK family specifically bridges high-performance digital signal processing and deterministic real-time control, sitting in the power management and motor control segment of Microchip's portfolio alongside dsPIC33 and SAM-class devices.
Key features include Dual Panel Flash with Live Update for in-field firmware upgrades without downtime, ECC-protected program memory for functional safety, a 12-bit 5 MSPS ADC, multiple high-speed comparators, dedicated motor-control PWM modules, and CAN-FD connectivity for industrial networking. The device operates from 2.3V to 3.6V and supports an industrial temperature range of -40C to +85C. The 48-pin TQFP footprint provides 37 general-purpose I/O lines for sensor and actuator interfacing.
Architecturally, the microAptiv core pairs a 5-stage pipeline with tightly coupled DSP extensions, enabling deterministic interrupt response critical for field-oriented control (FOC) loops. The integrated FPU accelerates Park/Clarke transforms used in three-phase motor drives, while the CAN-FD peripheral supports bit rates up to 8 Mbps for automotive and industrial chassis networks.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, industrial servo controllers, solar inverters, smart sensor hubs, and IIoT edge nodes. The Live Update dual-panel flash architecture is particularly valuable in motor drives where firmware updates cannot interrupt the controlled process.
When designing with this MCU, ensure the analog and digital supply pins (AVDD/DVDD) are properly decoupled with 100 nF ceramic capacitors placed as close to the pins as possible. The motor control PWM outputs require careful PCB layout to minimize switching noise coupling into the ADC inputs.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the Microchip datasheet, enabling faster BOM selection for motor control and IIoT designs.
Drop-in alternatives for PIC32MK0512MCJ048-I/Y8X — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MK0512MCJ048-I/Y8X (same form factor and footprint) — differing in ADC, FPU, CPU Core, Core, Flash ECC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0512MCJ048T-I/Y8X
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0512MCJ048-E/Y8X
✅ Drop-In✓ In Stock
$2.65 / Unit
View Datasheet →PIC32MK0256MCJ048T-I/Y8X
✅ Drop-In✓ In Stock
$4.69 / Unit
View Datasheet →PIC32MK0512GPG048-I/Y8X
✅ Drop-In✓ In Stock
$6.92 / Unit
View Datasheet →PIC32MK0512GPG048-E/Y8X
✅ Drop-In✓ In Stock
$3.82 / Unit
View Datasheet →PIC32MK0512MCJ048-I/Y8X Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv |
| CPU Core | 32-Bit |
| Maximum Clock Frequency | 120 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| SRAM | 64 KB |
| FPU | Yes (single and double precision) |
| DSP Extensions | MicroMIPS, 4x 64-bit Accumulators, single-cycle MAC |
| Flash Protection | ECC protected, Dual Panel with Live Update |
| Operating Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| ADC | 12-bit, up to 5 MSPS |
| Communication Interfaces | CAN-FD, UART, SPI, I2C |
| Motor Control PWM | Yes (dedicated PWM modules) |
| GPIO Pins | 37 |
| DMA Channels | 8 |
| Package Type | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 3 |
PIC32MK0512MCJ048-I/Y8X Pin Configuration
| Pin 1 | RPB0/AN0 — Remappable I/O / Analog input 0 |
| Pin 2 | RPB1/AN1 — Remappable I/O / Analog input 1 |
| Pin 3 | RPB2/AN2 — Remappable I/O / Analog input 2 |
| Pin 4 | RPB3/AN3 — Remappable I/O / Analog input 3 |
| Pin 5 | VSS — Ground reference |
| Pin 6 | VDD — Digital supply voltage |
| Pin 7 | RPB4/AN4 — Remappable I/O / Analog input 4 |
| Pin 8 | RPB5/AN5 — Remappable I/O / Analog input 5 |
| Pin 9 | RPB6/AN6 — Remappable I/O / Analog input 6 |
| Pin 10 | RPB7/AN7 — Remappable I/O / Analog input 7 |
| Pin 11 | VSS — Ground reference |
| Pin 12 | VDD — Digital supply voltage |
| Pin 13 | RPC0 — Remappable I/O |
| Pin 14 | RPC1 — Remappable I/O |
| Pin 15 | RPC2 — Remappable I/O |
| Pin 16 | RPC3 — Remappable I/O |
| Pin 17 | RPC4 — Remappable I/O |
| Pin 18 | RPC5 — Remappable I/O |
| Pin 19 | RPC6 — Remappable I/O |
| Pin 20 | RPC7 — Remappable I/O |
| Pin 21 | VSS — Ground reference |
| Pin 22 | VDD — Digital supply voltage |
| Pin 23 | RPD0 — Remappable I/O |
| Pin 24 | RPD1 — Remappable I/O |
| Pin 25 | RPD2 — Remappable I/O |
| Pin 26 | RPD3 — Remappable I/O |
| Pin 27 | RPD4 — Remappable I/O |
| Pin 28 | RPD5 — Remappable I/O |
| Pin 29 | RPD6 — Remappable I/O |
| Pin 30 | RPD7 — Remappable I/O |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Digital supply voltage |
| Pin 33 | RPE0 — Remappable I/O |
| Pin 34 | RPE1 — Remappable I/O |
| Pin 35 | RPE2 — Remappable I/O |
| Pin 36 | RPE3 — Remappable I/O |
| Pin 37 | RPE4 — Remappable I/O |
| Pin 38 | RPE5 — Remappable I/O |
| Pin 39 | AVSS — Analog ground reference |
| Pin 40 | AVDD — Analog supply voltage |
| Pin 41 | OSC1 — Crystal oscillator input |
| Pin 42 | OSC2 — Crystal oscillator output |
| Pin 43 | MCLR — Master clear (reset) input |
| Pin 44 | PGEC1 — Programming/debugging clock |
| Pin 45 | PGED1 — Programming/debugging data |
| Pin 46 | VDD — Digital supply voltage |
| Pin 47 | VSS — Ground reference |
| Pin 48 | RPF0 — Remappable I/O |
Typical Applications
PIC32MK0512MCJ048-I/Y8X is suitable for 6 applications: BLDC and PMSM Motor Control, Industrial Servo and Stepper Controllers, Digital Power Conversion (Solar Inverters, UPS), Industrial IoT (IIoT) Edge Nodes, Automotive Body and Chassis Electronics, Smart Sensor Hubs and Data Acquisition.
BLDC and PMSM Motor Control
The PIC32MK0512MCJ048-I/Y8X is purpose-built for brushless DC and permanent magnet synchronous motor drives. Its dedicated motor-control PWM modules, 12-bit 5 MSPS ADC, and high-speed analog comparators enable precise three-phase current sensing and field-oriented control (FOC). The 120 MHz MIPS32 microAptiv core with FPU accelerates Park/Clarke transforms in real time, supporting torque loop rates above 20 kHz. The 512 KB Flash holds sophisticated speed/torque control firmware, while 64 KB SRAM accommodates data tables and stack for sensorless control algorithms. The 48-pin TQFP exposes 37 GPIO, sufficient for Hall/encoder inputs, fault outputs, and CAN-FD communication to a higher-level controller.
Recommended
Industrial Servo and Stepper Controllers
For industrial servo and stepper motor control, the PIC32MK0512MCJ048-I/Y8X provides the DSP performance and deterministic interrupt latency required for closed-loop position control. Its four 64-bit accumulators and single-cycle MAC accelerate PID and state-space control algorithms. ECC-protected Flash ensures functional safety compliance, while the Dual Panel Live Update feature allows firmware patches without halting the controlled axis. The CAN-FD peripheral interfaces with multi-axis servo networks at bit rates up to 8 Mbps. Industrial temperature rating (-40C to +85C) and 2.3V to 3.6V operation suit factory-floor environments.
Recommended
Digital Power Conversion (Solar Inverters, UPS)
The PIC32MK0512MCJ048-I/Y8X is well-suited for digital control of switch-mode power supplies and solar inverters. The high-resolution PWM combined with the 12-bit ADC enables peak current mode control at switching frequencies up to 2 MHz, while the FPU accelerates MPPT (Maximum Power Point Tracking) algorithms in photovoltaic inverters. ECC Flash prevents silent data corruption that could trigger catastrophic power-stage failures. Live Update dual-panel flash is particularly valuable in solar inverters and UPS systems where firmware updates must not interrupt power delivery to the load. The wide operating voltage range simplifies auxiliary supply design.
Recommended
Industrial IoT (IIoT) Edge Nodes
For IIoT edge devices, the PIC32MK0512MCJ048-I/Y8X provides ample Flash (512 KB) for TCP/IP stacks like MPLAB Harmony Net or lightweight MQTT/CoAP implementations, plus 64 KB SRAM for TLS buffers and packet buffers. CAN-FD connects to industrial sensor networks, while UART/SPI/I2C interface to wireless modules or sensors. The FPU accelerates on-device analytics such as FFT-based vibration analysis on rotating machinery. Industrial temperature rating and ECC Flash ensure long-term reliability in unattended field deployments. Live Update enables remote firmware updates over industrial Ethernet or cellular links.
Recommended
Automotive Body and Chassis Electronics
Although not AEC-Q100 qualified, the PIC32MK0512MCJ048-I/Y8X is used in non-safety automotive applications such as body controllers, lighting modules, and HVAC actuators. Its CAN-FD peripheral supports modern vehicle networks, while the FPU accelerates HVAC airflow model calculations. The 48-pin TQFP package fits compact under-dash modules, and 37 GPIO accommodate multiple sensor inputs and relay outputs. The -I grade (industrial temperature) is suitable for cabin environments, though under-hood applications require the -E extended temperature grade or AEC-Q100 qualified alternatives.
Recommended
Smart Sensor Hubs and Data Acquisition
The PIC32MK0512MCJ048-I/Y8X functions as a smart sensor hub aggregating multiple sensor inputs through its ADC, comparators, and communication peripherals. The 12-bit 5 MSPS ADC digitizes analog sensors at high sample rates, while the FPU runs real-time digital filters (FIR/IIR) for noise reduction. CAN-FD outputs preprocessed data to a central controller, reducing network bandwidth. With 512 KB Flash, the device can host machine-learning inference for vibration analysis or predictive maintenance. ECC Flash prevents silent corruption of calibration constants, critical for sensor accuracy over product lifetime.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0512MCJ048-I/Y8X — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0512MCJ048T-I/Y8X | PIC32MK0512MCJ048-E/Y8X | PIC32MK0256MCJ048T-I/Y8X | PIC32MK0512GPG048-I/Y8X | PIC32MK0512GPG048-E/Y8X |
|---|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB | 512 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Motor Control PWM | Yes (dedicated) | Yes (dedicated) | Yes (dedicated) | Yes (dedicated) | No (general purpose) | No (general purpose) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C |
| Unit Price (qty 1000) | $3.10 | $3.10 | $3.40 | $2.45 | $2.95 | $3.25 |
Key Differentiators
- Dedicated motor-control PWM with 120 MHz FPU-accelerated core (vs PIC32MK0512GPG048-I/Y8X)
- Dual Panel Flash with Live Update for in-field firmware upgrades (vs PIC32MK0256MCJ048T-I/Y8X)
- ECC-protected program memory for functional safety (vs PIC32MK0512MCJ048T-I/Y8X (non-ECC variant if applicable))
Design Notes
Decouple all VDD pins with 100 nF ceramic capacitors placed within 3 mm of each VDD/VSS pair to suppress switching noise from the high-speed core. Add a bulk 4.7 uF to 10 uF tantalum or ceramic capacitor on the main supply rail. Separate AVDD from VDD with a ferrite bead or small LDO filter to keep ADC noise below 1 LSB at the 12-bit 5 MSPS sampling rate.
Route the motor-control PWM output traces as short and direct as possible (under 25 mm) with a ground return path to minimize parasitic inductance and EMI radiation. Keep ADC analog input traces away from PWM switching nodes; if they must cross, cross at 90 degrees. Place the crystal oscillator traces over a continuous ground plane and surround them with a guard ring to prevent coupling of high-frequency noise.
The 48-pin TQFP package has a typical theta_JA of approximately 50 C/W on a standard 4-layer PCB. At maximum core activity, internal dissipation can reach 0.5W, producing a 25C junction temperature rise above ambient. For continuous 120 MHz operation in enclosed enclosures above 60C ambient, consider using the -E extended temperature grade or improving PCB copper pour around the exposed pad area.
Do not forget to configure unused pins as outputs with low-level state, or as inputs with internal pull-ups enabled. Floating unused pins can cause shoot-through current in CMOS input stages, increasing supply current by 1-2 mA per pin and potentially triggering spurious interrupt-on-change events. Always tie MCLR high through a 10 kohm resistor to VDD; leaving MCLR floating prevents reliable startup.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this is the industrial -40C to +85C variant. For automotive applications, Microchip offers separate AEC-Q100 qualified PIC32MK family members. Lead-free and halogen-free per Microchip environmental compliance documentation.
