PIC32MK0512MCJ048-E/7MX - 32-bit 120MHz MCU 512KB Flash | Microchip
料号： PIC32MK0512MCJ048-E/7MX ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： PIC32MK0512MCJ048-E/7MX ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC32MK0512MCJ048-E/7MX （相同外形与封装尺寸） ——差异在于 ADC, Package, DSP Extensions, FPU, Core.
快速对比工具——选择替代料号进行并排对比：
PIC32MK0512MCJ048T-E/7MX
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MK0512GPG048-E/7MX
✅ 直接替换✓ 有现货
$4.09 / 个
查看数据手册 →PIC32MK0256MCJ048-E/7MX
✅ 直接替换✓ 有现货
$4.4 / 个
查看数据手册 →PIC32MK0512GPG048-E/Y8X
✅ 直接替换✓ 有现货
$3.82 / 个
查看数据手册 →PIC32MK0512GPG048-I/Y8X
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.92 / 个
查看数据手册 →PIC32MK0256GPG048-E/7MX
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.52 / 个
查看数据手册 →PIC32MK0512MCJ048-E/7MX 最大额定值与电气特性
| 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 |
| 封装 | 48-pin VQFN (6x6 mm) with exposed thermal pad |
| 安装类型 | 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) |
| 工作温度 | -40 C to +125 C (Extended) |
| AEC-Q100 Qualification | Qualified |
| RoHS 状态 | Compliant |
PIC32MK0512MCJ048-E/7MX 引脚配置
| 引脚 1 | RB0 — General purpose I/O / analog input |
| 引脚 2 | RB1 — General purpose I/O / analog input |
| 引脚 3 | RB2 — General purpose I/O / analog input |
| 引脚 4 | RB3 — General purpose I/O / analog input |
| 引脚 5 | RB4 — General purpose I/O / analog input |
| 引脚 6 | RB5 — General purpose I/O / analog input |
| 引脚 7 | RB6 — General purpose I/O / analog input |
| 引脚 8 | RB7 — General purpose I/O / analog input |
| 引脚 9 | RC0 — General purpose I/O |
| 引脚 10 | RC1 — General purpose I/O |
| 引脚 11 | RC2 — General purpose I/O |
| 引脚 12 | RC3 — General purpose I/O |
| 引脚 13 | RC4 — General purpose I/O |
| 引脚 14 | RC5 — General purpose I/O |
| 引脚 15 | RC6 — General purpose I/O |
| 引脚 16 | RC7 — General purpose I/O |
| 引脚 17 | VSS — Ground reference |
| 引脚 18 | VDD — Positive supply (2.3V to 3.6V) |
| 引脚 19 | RD0 — General purpose I/O |
| 引脚 20 | RD1 — General purpose I/O |
| 引脚 21 | RD2 — General purpose I/O |
| 引脚 22 | RD3 — General purpose I/O |
| 引脚 23 | RD4 — General purpose I/O |
| 引脚 24 | RD5 — General purpose I/O |
| 引脚 25 | RD6 — General purpose I/O |
| 引脚 26 | RD7 — General purpose I/O |
| 引脚 27 | RE0 — General purpose I/O |
| 引脚 28 | RE1 — General purpose I/O |
| 引脚 29 | RE2 — General purpose I/O |
| 引脚 30 | RE3 — General purpose I/O |
| 引脚 31 | VSS — Ground reference |
| 引脚 32 | VDD — Positive supply (2.3V to 3.6V) |
| 引脚 33 | RF0 — General purpose I/O |
| 引脚 34 | RF1 — General purpose I/O |
| 引脚 35 | RF2 — General purpose I/O / PWM |
| 引脚 36 | RF3 — General purpose I/O / PWM |
| 引脚 37 | RF4 — General purpose I/O / PWM |
| 引脚 38 | RF5 — General purpose I/O / PWM |
| 引脚 39 | RF6 — General purpose I/O / PWM |
| 引脚 40 | RF7 — General purpose I/O / PWM |
| 引脚 41 | RG0 — General purpose I/O |
| 引脚 42 | RG1 — General purpose I/O |
| 引脚 43 | RG2 — General purpose I/O |
| 引脚 44 | RG3 — General purpose I/O |
| 引脚 45 | VSS — Ground reference |
| 引脚 46 | VDD — Positive supply (2.3V to 3.6V) |
| 引脚 47 | OSC1 — Crystal oscillator input |
| 引脚 48 | OSC2 — Crystal oscillator output |
典型应用
PIC32MK0512MCJ048-E/7MX 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： PIC32MK0512MCJ048-E/7MX ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Dedicated motor-control PWMs with hardware dead-band （对比 PIC32MK0512GPG048-E/7MX)
- Dual CAN-FD controllers vs single （对比 PIC32MK0512GPG048-E/7MX)
- 512KB dual-panel Flash for fail-safe firmware update （对比 PIC32MK0256MCJ048-E/7MX)
设计说明
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.
合规信息
AEC-Q100 qualified per Arrow.com listing. RoHS compliant per Microchip product page. Operating temperature -40C to +125C (extended automotive).
