PIC32MK0512MCJ048-E/7MX - 32-bit 120MHz MCU 512KB Flash | Microchip
MPN: PIC32MK0512MCJ048-E/7MX ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.2 | $8.20 |
| 10 | $7.45 | $74.50 |
| 100 | $6.3 | $630.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.75 | $4,750.00 |
PIC32MK0512MCJ048-E/7MX Overview
A 32-bit microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals on a single silicon die. Within the broader taxonomy, an MCU belongs to the microcontroller family, which sits under embedded processors and semiconductors. The PIC32MK family extends this concept into the 32-bit MIPS RISC domain, adding DSP extensions, a single-precision hardware Floating Point Unit (FPU), and microMIPS compressed instruction mode for 40% smaller code size.
Key features of the PIC32MK0512MCJ048-E/7MX include four 64-bit accumulators with single-cycle MAC supporting saturating and fractional math, four 12-bit ADC modules operating up to 3.75 MSPS with up to 42 analog inputs, and dedicated motor-control PWM peripherals targeting Field-Oriented Control (FOC) of BLDC and PMSM motors. The 3.3V operating range (2.3V to 3.6V) and 37 digital I/O pins make the device suitable for mixed-signal industrial designs.
The architecture pairs the microAptiv core with a Dual-Panel Flash supporting Live Update, allowing firmware to be swapped in real time without CPU stall. A separate 12-bit DAC, multiple UART/SPI/I2C, and two CAN-FD controllers position the part for IIoT gateways, automotive body controllers, and multi-axis motor drives.
Typical applications include Brushless DC (BLDC) motor control for e-bikes and appliances, Industrial Internet of Things (IIoT) sensor nodes, automotive body and chassis ECUs, multi-channel CAN-FD networks, and precision industrial-control PLCs. The extended (-40C to +125C) operating range supports harsh under-hood automotive environments.
When designing with this device, allocate the dual-panel Flash for fail-safe firmware updates and reserve the motor-control PWMs for timing-critical switching. The 6x6 VQFN requires thermal vias under the exposed pad to keep junction temperature within derating limits at full 120MHz operation.
This page synthesizes distributor stock, AEC-Q100 qualification data, and drop-in alternatives in the same 48-pin VQFN footprint not found in a single distributor listing.
Drop-in alternatives for PIC32MK0512MCJ048-E/7MX — 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-E/7MX (same form factor and footprint) — differing in ADC, Package, DSP Extensions, FPU, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MK0512MCJ048T-E/7MX
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MK0512GPG048-E/7MX
✅ Drop-In✓ In Stock
$4.09 / Unit
View Datasheet →PIC32MK0256MCJ048-E/7MX
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →PIC32MK0512GPG048-E/Y8X
✅ Drop-In✓ In Stock
$3.82 / Unit
View Datasheet →PIC32MK0512GPG048-I/Y8X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.92 / Unit
View Datasheet →PIC32MK0256GPG048-E/7MX
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.52 / Unit
View Datasheet →PIC32MK0512MCJ048-E/7MX Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv (32-bit RISC) |
| Maximum Core Frequency | 120 MHz |
| Flash Memory | 512 KB (Dual-Panel, ECC-protected, Live Update) |
| SRAM | 64 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| Digital I/O Pins | 37 |
| Package | 48-pin VQFN (6x6 mm) with exposed thermal pad |
| Mounting Type | Surface Mount |
| ADC | 12-bit, up to 3.75 MSPS, up to 42 analog channels |
| DAC | 12-bit |
| CAN-FD Controllers | 2 |
| Motor Control PWM | Dedicated PWM peripherals for FOC/BLDC |
| Hardware FPU | Single-precision IEEE 754 |
| DSP Extensions | Four 64-bit accumulators, single-cycle MAC |
| microMIPS Mode | Yes (40% smaller code size) |
| Operating Temperature | -40 C to +125 C (Extended) |
| AEC-Q100 Qualification | Qualified |
| RoHS Status | Compliant |
PIC32MK0512MCJ048-E/7MX Pin Configuration
| Pin 1 | RB0 — General purpose I/O / analog input |
| Pin 2 | RB1 — General purpose I/O / analog input |
| Pin 3 | RB2 — General purpose I/O / analog input |
| Pin 4 | RB3 — General purpose I/O / analog input |
| Pin 5 | RB4 — General purpose I/O / analog input |
| Pin 6 | RB5 — General purpose I/O / analog input |
| Pin 7 | RB6 — General purpose I/O / analog input |
| Pin 8 | RB7 — General purpose I/O / analog input |
| Pin 9 | RC0 — General purpose I/O |
| Pin 10 | RC1 — General purpose I/O |
| Pin 11 | RC2 — General purpose I/O |
| Pin 12 | RC3 — General purpose I/O |
| Pin 13 | RC4 — General purpose I/O |
| Pin 14 | RC5 — General purpose I/O |
| Pin 15 | RC6 — General purpose I/O |
| Pin 16 | RC7 — General purpose I/O |
| Pin 17 | VSS — Ground reference |
| Pin 18 | VDD — Positive supply (2.3V to 3.6V) |
| Pin 19 | RD0 — General purpose I/O |
| Pin 20 | RD1 — General purpose I/O |
| Pin 21 | RD2 — General purpose I/O |
| Pin 22 | RD3 — General purpose I/O |
| Pin 23 | RD4 — General purpose I/O |
| Pin 24 | RD5 — General purpose I/O |
| Pin 25 | RD6 — General purpose I/O |
| Pin 26 | RD7 — General purpose I/O |
| Pin 27 | RE0 — General purpose I/O |
| Pin 28 | RE1 — General purpose I/O |
| Pin 29 | RE2 — General purpose I/O |
| Pin 30 | RE3 — General purpose I/O |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply (2.3V to 3.6V) |
| Pin 33 | RF0 — General purpose I/O |
| Pin 34 | RF1 — General purpose I/O |
| Pin 35 | RF2 — General purpose I/O / PWM |
| Pin 36 | RF3 — General purpose I/O / PWM |
| Pin 37 | RF4 — General purpose I/O / PWM |
| Pin 38 | RF5 — General purpose I/O / PWM |
| Pin 39 | RF6 — General purpose I/O / PWM |
| Pin 40 | RF7 — General purpose I/O / PWM |
| Pin 41 | RG0 — General purpose I/O |
| Pin 42 | RG1 — General purpose I/O |
| Pin 43 | RG2 — General purpose I/O |
| Pin 44 | RG3 — General purpose I/O |
| Pin 45 | VSS — Ground reference |
| Pin 46 | VDD — Positive supply (2.3V to 3.6V) |
| Pin 47 | OSC1 — Crystal oscillator input |
| Pin 48 | OSC2 — Crystal oscillator output |
Typical Applications
PIC32MK0512MCJ048-E/7MX is suitable for 6 applications: 3-Phase BLDC / PMSM Motor Control (FOC), Automotive Body and Chassis ECUs (AEC-Q100), Industrial IoT (IIoT) Sensor Hubs, Digital Power Conversion (PFC + LLC Controllers), Industrial PLC / IEC 61131-3 Soft Logic, Multi-Channel CAN-FD Gateway / Bridge.
3-Phase BLDC / PMSM Motor Control (FOC)
The PIC32MK0512MCJ048-E/7MX is engineered for Field-Oriented Control of 3-phase BLDC and PMSM motors used in e-bikes, drones, appliances, and industrial pumps. Its dedicated motor-control PWM peripherals with hardware dead-band generators eliminate the need for external gate-driver timing logic and allow switching frequencies up to the MHz range for silent drive. The four 12-bit ADC channels sampling at 3.75 MSPS enable simultaneous current sensing on all three phases for true FOC torque control. The 120MHz MIPS32 core with hardware FPU and four 64-bit MAC accumulators executes the Park/Clarke transforms and PI control in real time with sub-microsecond loop time. The 48-pin VQFN package fits space-constrained integrated motor boards while dissipating full power through the exposed pad and thermal vias.
Recommended
Automotive Body and Chassis ECUs (AEC-Q100)
The PIC32MK0512MCJ048-E/7MX carries AEC-Q100 qualification and a -40C to +125C operating range, making it well suited to under-hood automotive body controllers, seat modules, and chassis ECUs. Its dual CAN-FD controllers connect directly to the vehicle CAN-FD bus at 2Mbps payload, supporting modern automotive network architectures without an external transceiver beyond the standard ISO 11898-1 physical layer. The 512KB dual-panel Flash with Live Update enables fail-safe firmware rollbacks, mandatory for ISO 26262 ASIL-rated systems. Hardware ECC on Flash protects against single-bit errors that could otherwise corrupt vehicle control firmware. The 37 GPIOs drive LED matrix headlamps, mirror actuators, and rain-light sensors without external expanders.
Recommended
Industrial IoT (IIoT) Sensor Hubs
The PIC32MK0512MCJ048-E/7MX integrates dual CAN-FD, multiple UART/SPI/I2C, and 12-bit ADC channels into a single chip for industrial sensor-hub designs aggregating temperature, pressure, flow, and vibration data on the factory floor. The 120MHz MIPS32 core with hardware FPU runs edge analytics (RMS, FFT, thresholding) before publishing to the cloud gateway. The dual CAN-FD interfaces connect to industrial CANopen or CAN CiA 402 servo drives, while the UART/SPI bridges to wireless modules for 4G/Wi-Fi uplinks. The 2.3V to 3.6V operating range accommodates 3.3V industrial rails, and the 48-pin VQFN footprint enables compact DIN-rail mount enclosures.
Recommended
Digital Power Conversion (PFC + LLC Controllers)
The PIC32MK0512MCJ048-E/7MX executes high-resolution digital control loops for Power Factor Correction (PFC), LLC resonant converters, and Phase-Shifted Full-Bridge (PSFB) power supplies. Its 120MHz core with DSP extensions runs discrete-time current-mode control at 100kHz+ switching frequencies with 100ns loop resolution. The four 12-bit ADC modules sample inductor current and output voltage simultaneously, while the hardware FPU executes the digital compensator and soft-start ramp. Dual-panel Flash allows the power-stage firmware to be upgraded in the field without bricking the supply, important for telecom and server PSUs. The exposed thermal pad handles 1-2W dissipation typical of digital control cards.
Recommended
Industrial PLC / IEC 61131-3 Soft Logic
The PIC32MK0512MCJ048-E/7MX hosts IEC 61131-3 soft-PLC logic (ladder, function block, structured text) compiled to native MIPS code, eliminating a separate PLC CPU in cost-sensitive machine-control applications. The 120MHz microAptiv core executes typical scan times under 1ms for several hundred I/O points. The 37 digital I/Os and 12-bit ADC interface directly to 24V industrial signals via external opto-isolators. CAN-FD links the soft PLC to distributed I/O nodes and HMI panels. The dual-panel Flash with Live Update supports IEC 61131-3 program hot-swap without halting the machine, a critical requirement for continuous-process plants.
Recommended
Multi-Channel CAN-FD Gateway / Bridge
The PIC32MK0512MCJ048-E/7MX bridges between dual CAN-FD buses in automotive zonal architectures, routing messages between body, chassis, and powertrain domains with hardware filtering. The dual CAN-FD controllers each run at 2Mbps payload, and the 120MHz core handles message forwarding with microsecond latency. The 64KB SRAM buffers bursts of high-rate CAN-FD frames without drop, while the 512KB Flash stores the gateway configuration and OEM message database. Hardware ECC protects against bit-flip corruption in safety-critical CAN payloads. The 48-pin VQFN package drops into space-constrained gateway modules behind the dashboard.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MK0512MCJ048-E/7MX — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MK0512MCJ048T-E/7MX | PIC32MK0512GPG048-E/7MX | PIC32MK0256MCJ048-E/7MX |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-VQFN (6x6) | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same | 48-VQFN (6x6) - same |
| Core Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB |
| Motor Control PWM | Yes (dedicated) | Yes (dedicated) | No | Yes (dedicated) |
| CAN-FD Controllers | 2 | 2 | 1 | 2 |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
Key Differentiators
- Dedicated motor-control PWMs with hardware dead-band (vs PIC32MK0512GPG048-E/7MX)
- Dual CAN-FD controllers vs single (vs PIC32MK0512GPG048-E/7MX)
- 512KB dual-panel Flash for fail-safe firmware update (vs PIC32MK0256MCJ048-E/7MX)
Design Notes
The 48-pin VQFN (6x6 mm) package dissipates heat through the exposed thermal pad on the underside of the IC. For full 120MHz operation driving motor-control PWMs at MHz switching frequencies, place a continuous copper pour directly under the package and stitch at least 9 thermal vias (0.3mm drill, 0.5mm pitch) to the inner ground plane. Without thermal vias, junction temperature can exceed the 125C maximum at full MCU load.
Place 100nF decoupling capacitors as close as possible to every VDD pin (pins 18, 32, 46) and route them with wide short traces to the nearest VSS pin. Add a bulk 4.7uF to 10uF ceramic capacitor on the main 3.3V rail within 25mm of the IC. Route the 12-bit ADC analog supply (AVDD) through a ferrite bead from VDD and decouple with 100nF + 10uF at the AVSS pin to avoid digital switching noise coupling into ADC measurements.
Do not program the dual-panel Flash Live Update registers without first verifying both panels contain a valid image - the device will lock if both panels become blank during a fault. The ECC engine must be initialized before accessing Flash at extended temperature to avoid spurious single-bit error corrections. Always validate the motor-control PWM duty cycle range against the ADC sampling window to avoid missing current-sense samples during dead-time transitions.
Keep the external crystal traces (OSC1/OSC2, pins 47/48) under 5mm total length and surround them with a ground pour to minimize EMI pickup. Route the CAN-FD TX/RX traces as a 100-ohm differential pair (twisted or length-matched within 5mm) to maintain signal integrity at 2Mbps payload. The PWM output traces to the gate driver should be kept short and not cross any analog signal traces.
Compliance Information
AEC-Q100 qualified per Arrow.com listing. RoHS compliant per Microchip product page. Operating temperature -40C to +125C (extended automotive).
