PIC24EP128MC204T-I/ML - 16-bit 70MIPS 128KB Flash Motor MCU | Microchip
MPN: PIC24EP128MC204T-I/ML ✓ Hoạt độngPIC24EP128MC204T-I/ML Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a configurable set of peripherals such as ADCs, timers, communication interfaces, and PWM modules. The PIC24EP family sits inside the broader PIC microcontroller hierarchy of Microchip: PIC microcontroller -> 16-bit PIC -> PIC24 family -> PIC24E sub-family -> PIC24EP motor-control line. It bridges 8-bit PIC MCUs and the dsPIC DSC line, delivering higher throughput while preserving peripheral integration.
Key differentiating features include a 16-bit modified-Harvard architecture with single-cycle MAC, 70 MIPS sustained throughput at 60 MHz CPU clock, hardware motor-control PWM with dedicated edge-triggered time base and complementary outputs, four on-chip operational amplifiers sized for current-shunt amplification in FOC drives, four high-speed comparators for protection loops, and a 12-bit ADC with 1 MSPS conversion rate.
The 16-bit DSP-enhanced CPU performs single-cycle 16x16-bit MAC operations, which accelerates Park/Clarke transforms and PID loops in sensorless field-oriented control (FOC). Internal DMA eliminates CPU intervention for data moves between peripherals and RAM, leaving more bandwidth for control algorithms. Programmable dead-time, blanking, and fault inputs allow direct drive of 3-phase inverters with minimal external logic.
Typical applications include BLDC/PMSM motor drives, field-oriented controllers, solar inverters, industrial fans and pumps, HVAC compressors, robotics, and digital power supplies. The integrated op-amps simplify current-sense conditioning and the comparators enable cycle-by-cycle overcurrent protection without external ICs.
When designing, ensure the 44-QFN thermal pad is soldered to a sufficient copper pour to keep junction temperature within the -40C to +125C operating window. Verify that the 5V-tolerant digital lines are not exposed to signals above the absolute maximum rating.
This page consolidates distributor pricing, drop-in QFN-44 alternatives, motor-control peripheral mapping, and practical design notes not found in the manufacturer datasheet summary.
Bộ thay thế dễ dàng lắp đặt cho PIC24EP128MC204T-I/ML — 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 PIC24EP128MC204T-I/ML (cùng hình factor và footprint) — khác nhau ở ADC, Package, CPU Speed, Core Architecture, Operating Temperature.
PIC24EP128MC204-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128MC204-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP128MC204-H/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128MC204T-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP128MC206T-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128GP204T-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128MC204T-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24E 16-bit dsPIC DSC (modified Harvard) |
| CPU Speed | 70 MIPS at 60 MHz |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data RAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Hộp | 44-QFN (8x8 mm) |
| Kiểu lắp đặt | Surface Mount |
| Motor Control PWM (MCPWM) | Yes, dedicated 3-phase PWM module |
| Quadrature Encoder Interface (QEI) | Yes |
| On-chip Operational Amplifiers | 4 |
| On-chip Comparators | 4 |
| ADC | 12-bit, 1 MSPS |
| Communication Interfaces | I2C, SPI, UART, IrDA, LIN |
| DMA Channels | 8 |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 |
Cấu hình chân PIC24EP128MC204T-I/ML
| Chân 1 | RP15/RB15 — Remappable I/O / Port B |
| Chân 2 | RP14/RB14 — Remappable I/O / Port B |
| Chân 3 | RP13/RB13 — Remappable I/O / Port B |
| Chân 4 | RP12/RB12 — Remappable I/O / Port B |
| Chân 5 | RP11/RB11 — Remappable I/O / Port B |
| Chân 6 | RP10/RB10 — Remappable I/O / Port B |
| Chân 7 | RP9/RB9 — Remappable I/O / Port B |
| Chân 8 | RP8/RB8 — Remappable I/O / Port B |
| Chân 9 | RP7/RB7 — Remappable I/O / Port B |
| Chân 10 | RP6/RB6 — Remappable I/O / Port B |
| Chân 11 | RP5/RB5 — Remappable I/O / Port B |
| Chân 12 | RP4/RB4 — Remappable I/O / Port B |
| Chân 13 | RP3/RB3 — Remappable I/O / Port B |
| Chân 14 | RP2/RB2 — Remappable I/O / Port B |
| Chân 15 | RP1/RB1 — Remappable I/O / Port B |
| Chân 16 | RP0/RB0 — Remappable I/O / Port B |
| Chân 17 | AVDD — Analog supply voltage |
| Chân 18 | AVSS — Analog ground |
| Chân 19 | OA1OUT — Op-amp 1 output |
| Chân 20 | OA1IN- — Op-amp 1 inverting input |
| Chân 21 | OA1IN+ — Op-amp 1 non-inverting input |
| Chân 22 | OA2OUT — Op-amp 2 output |
| Chân 23 | OA2IN- — Op-amp 2 inverting input |
| Chân 24 | OA2IN+ — Op-amp 2 non-inverting input |
| Chân 25 | OA3OUT — Op-amp 3 output |
| Chân 26 | OA3IN- — Op-amp 3 inverting input |
| Chân 27 | OA3IN+ — Op-amp 3 non-inverting input |
| Chân 28 | C1OUT — Comparator 1 output |
| Chân 29 | C1IN+ — Comparator 1 non-inverting input |
| Chân 30 | C1IN- — Comparator 1 inverting input |
| Chân 31 | C2OUT — Comparator 2 output |
| Chân 32 | C2IN+ — Comparator 2 non-inverting input |
| Chân 33 | C2IN- — Comparator 2 inverting input |
| Chân 34 | C3OUT — Comparator 3 output |
| Chân 35 | C3IN+ — Comparator 3 non-inverting input |
| Chân 36 | C3IN- — Comparator 3 inverting input |
| Chân 37 | PWM1H — PWM output 1 high-side |
| Chân 38 | PWM1L — PWM output 1 low-side |
| Chân 39 | PWM2H — PWM output 2 high-side |
| Chân 40 | PWM2L — PWM output 2 low-side |
| Chân 41 | PWM3H — PWM output 3 high-side |
| Chân 42 | PWM3L — PWM output 3 low-side |
| Chân 43 | VDD — Digital supply voltage |
| Chân 44 | VSS — Digital ground / exposed pad |
Ứng dụng tiêu biểu
PIC24EP128MC204T-I/ML phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Drive Control, Solar Microinverter and String Inverter, Industrial HVAC Compressor Drives, Field-Oriented Control (FOC) Robotics Drives, Digital Switch-Mode Power Supplies (SMPS), EV Traction and Auxiliary Motor Control.
BLDC / PMSM Motor Drive Control
The PIC24EP128MC204T-I/ML is purpose-built for 3-phase BLDC and PMSM motor drives, integrating the dedicated Motor Control PWM (MCPWM) module with 6 complementary outputs, programmable dead-time, and cycle-by-cycle fault inputs. Its four on-chip op-amps directly condition shunt-resistor current signals without external amplifiers, while four high-speed comparators handle hardware overcurrent protection with sub-microsecond response. The 70 MIPS throughput runs field-oriented control (FOC) loops including Park/Clarke transforms, PI controllers, and SVPWM modulation at 20 kHz update rates with substantial CPU headroom. The QEI module decodes quadrature encoder signals for sensored drives, and the 12-bit ADC samples phase currents and DC-link voltage synchronously to the PWM cycle. The 16 KB RAM accommodates transform working memory and communication protocol stacks simultaneously, eliminating the need for external memory.
Được đề xuất
Solar Microinverter and String Inverter
The PIC24EP128MC204T-I/ML's 70 MIPS throughput and integrated motor-control peripherals translate effectively to solar inverter control loops including MPPT algorithms, grid synchronization, and DC-DC stage regulation. Its 12-bit 1 MSPS ADC samples PV panel voltage, current, and grid voltage simultaneously, while the on-chip comparators provide fast overvoltage and overcurrent protection for the power stage. The wide -40C to +85C industrial temperature range tolerates outdoor inverter enclosures, and the 128 KB Flash stores MPPT lookup tables, grid-code parameter sets, and Modbus/CAN communication stacks. The integrated op-amps condition current-sense signals from the DC-link shunt, eliminating external instrumentation amplifiers. Engineers should validate that firmware design accounts for the 3.0V to 3.6V supply range when interfacing to 5V gate-driver signals.
Được đề xuất
Industrial HVAC Compressor Drives
The PIC24EP128MC204T-I/ML is well suited to compressor motor control in HVAC systems, where its integrated analog front-end and dedicated PWM dramatically reduce external component count. The four on-chip op-amps handle current sensing across all three phases of a PMSM compressor motor, while the comparators detect back-EMF zero-crossings for sensorless trapezoidal commutation. The 16 KB RAM stores compressor state-machine variables, protection thresholds, and diagnostic logs, while 128 KB Flash holds the control algorithm and fault-handling routines. Industrial temperature rating (-40C to +85C) handles rooftop unit environments. The DMA engine offloads ADC-to-memory transfers, freeing CPU bandwidth for the control loop and serial communication with the system controller.
Được đề xuất
Field-Oriented Control (FOC) Robotics Drives
Robotic joint actuators and CNC axis drives require precise torque and velocity control, which the PIC24EP128MC204T-I/ML delivers through its 70 MIPS 16-bit core capable of executing Park/Clarke transforms and PI controllers at sub-50 microsecond loop times. The QEI module decoders high-resolution encoders for position feedback, while the MCPWM generates center-aligned switching waveforms with programmable dead-time to prevent shoot-through in the inverter. The DMA channels move encoder data and ADC samples without CPU intervention, reserving MIPS for trajectory planning and EtherCAT/CANopen communication. The on-chip comparators provide hardware safety stops within 200 nanoseconds of fault detection, exceeding software-only protection latency. Industrial temperature grade suits factory-floor installations.
Được đề xuất
Digital Switch-Mode Power Supplies (SMPS)
The PIC24EP128MC204T-I/ML operates as a digital controller in isolated and non-isolated DC-DC converters, leveraging its high-resolution PWM (with 8.32 ns resolution at 120 MHz peripheral clock) for digital voltage-mode and current-mode control. The on-chip op-amps close the current-sense feedback loop, and comparators implement peak-current-mode control with sub-cycle response. The 12-bit ADC samples output voltage, input voltage, and current at 1 MSPS, supporting feed-forward and adaptive gain algorithms. With 128 KB Flash, designers implement multiple soft-start profiles, fault-recovery routines, and PMBus command sets without external memory. The wide operating voltage (3.0V to 3.6V) requires an internal or auxiliary supply rail, commonly generated from the auxiliary winding of the main transformer.
Được đề xuất
EV Traction and Auxiliary Motor Control
The PIC24EP128MC204T-I/ML is deployed in low-voltage EV applications such as electric power steering, water pumps, and cooling fans where its motor-control peripherals integrate directly with 3-phase inverters. The 70 MIPS core supports sensorless FOC algorithms for BLDC pumps and fans, while the QEI accepts signals from sensored steering motors. The integrated comparators implement hardware-level safety responses required by ISO 26262 functional-safety architectures. Although not AEC-Q100 qualified, the industrial temperature range and dedicated motor-control peripherals suit 12V/48V EV auxiliary subsystems. The 16 KB RAM supports state-of-charge and torque-ripple-reduction algorithms concurrently.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24EP128MC204T-I/ML — 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 | PIC24EP128MC204-I/ML | PIC24EP128MC204-E/ML | PIC24EP128MC204T-E/ML | PIC24EP128MC206T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| CPU Speed | 70 MIPS @ 60 MHz | 70 MIPS @ 60 MHz | 70 MIPS @ 60 MHz | 70 MIPS @ 60 MHz | 70 MIPS @ 60 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB (+100%) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C |
| On-chip Op-amps | 4 | 4 | 4 | 4 | 4 |
| On-chip Comparators | 4 | 4 | 4 | 4 | 4 |
| MCPWM Channels | 6 (3 complementary pairs) | 6 | 6 | 6 | 6 |
| Shipping Packaging | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel |
Bảo phân biệt quan trọng
- Integrated 4 op-amps and 4 comparators (vsPIC24EP128GP204T-I/PT)
- Dedicated Motor Control PWM module (vsPIC24EP128GP204T-I/PT)
- Larger RAM (16 KB vs 8 KB) on MC variant (vsPIC24EP128MC204T-E/ML)
Ghi chú thiết kế
Estimated: The 44-QFN package has a thermal resistance (theta_JA) of approximately 28 C/W on a standard JEDEC 4-layer test board with thermal pad soldered. For motor-control applications switching at high PWM frequencies, power dissipation in the MCU is typically below 0.5 W, so no heatsink is required. However, ensure the central exposed pad (VSS) is soldered to a copper pour of at least 1 square inch to maintain junction temperature within the 125 C maximum. Reflow profile must comply with JEDEC J-STD-020 for MSL-3 packages.
Place decoupling capacitors (100 nF ceramic) within 2 mm of every VDD/AVDD pin and a bulk 10 uF tantalum or ceramic capacitor near the package. Separate analog (AVDD/AVSS) and digital (VDD/VSS) ground planes with a single-point connection to avoid ground-loop noise coupling into the ADC. Route the analog op-amp and comparator traces as short as possible and keep them away from PWM switching traces to minimize crosstalk into current-sense signals.
Do not assume pin compatibility between the QFN-44 (PIC24EP128MC204T-I/ML) and TQFP-44 (PIC24EP128MC204T-I/PT) variants - they share pin count but use different PCB land patterns. When migrating code from PIC24 to dsPIC33EP, verify that DSP instructions are removed or replaced. Always enable the watchdog timer and configure the fail-safe clock monitor (FSCM) for safety-critical motor-control applications to recover from oscillator faults.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified - select automotive-grade PIC24 variants (e.g. dsPIC33EP) for automotive applications.