PIC24EP128MC204T-I/ML - 16-bit 70MIPS 128KB Flash Motor MCU | Microchip
料号： PIC24EP128MC204T-I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.92 | $5.92 |
| 10 | $5.32 | $53.20 |
| 100 | $4.74 | $474.00 |
| 500 | $4.26 | $2,130.00 |
| 1,000 | $3.78 | $3,780.00 |
PIC24EP128MC204T-I/ML 概述
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.
直接替换替代料： PIC24EP128MC204T-I/ML ——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： PIC24EP128MC204T-I/ML （相同外形与封装尺寸） ——差异在于 ADC, Package, CPU Speed, Core Architecture, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC24EP128MC204-I/ML
✅ 直接替换📋 参考替代料（不在目录中）
PIC24EP128MC204-E/ML
✅ 直接替换✓ 有现货
$5.08 / 个
查看数据手册 →PIC24EP128MC204-H/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24EP128MC204T-E/ML
✅ 直接替换✓ 有现货
$5.62 / 个
查看数据手册 →PIC24EP128MC206T-I/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24EP128GP204T-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24EP128MC204T-I/ML 最大额定值与电气特性
| 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 |
| 工作温度 | -40 C to +85 C (Industrial) |
| 封装 | 44-QFN (8x8 mm) |
| 安装类型 | 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 |
| RoHS 状态 | Compliant |
| MSL 等级 | 3 |
PIC24EP128MC204T-I/ML 引脚配置
| 引脚 1 | RP15/RB15 — Remappable I/O / Port B |
| 引脚 2 | RP14/RB14 — Remappable I/O / Port B |
| 引脚 3 | RP13/RB13 — Remappable I/O / Port B |
| 引脚 4 | RP12/RB12 — Remappable I/O / Port B |
| 引脚 5 | RP11/RB11 — Remappable I/O / Port B |
| 引脚 6 | RP10/RB10 — Remappable I/O / Port B |
| 引脚 7 | RP9/RB9 — Remappable I/O / Port B |
| 引脚 8 | RP8/RB8 — Remappable I/O / Port B |
| 引脚 9 | RP7/RB7 — Remappable I/O / Port B |
| 引脚 10 | RP6/RB6 — Remappable I/O / Port B |
| 引脚 11 | RP5/RB5 — Remappable I/O / Port B |
| 引脚 12 | RP4/RB4 — Remappable I/O / Port B |
| 引脚 13 | RP3/RB3 — Remappable I/O / Port B |
| 引脚 14 | RP2/RB2 — Remappable I/O / Port B |
| 引脚 15 | RP1/RB1 — Remappable I/O / Port B |
| 引脚 16 | RP0/RB0 — Remappable I/O / Port B |
| 引脚 17 | AVDD — Analog supply voltage |
| 引脚 18 | AVSS — Analog ground |
| 引脚 19 | OA1OUT — Op-amp 1 output |
| 引脚 20 | OA1IN- — Op-amp 1 inverting input |
| 引脚 21 | OA1IN+ — Op-amp 1 non-inverting input |
| 引脚 22 | OA2OUT — Op-amp 2 output |
| 引脚 23 | OA2IN- — Op-amp 2 inverting input |
| 引脚 24 | OA2IN+ — Op-amp 2 non-inverting input |
| 引脚 25 | OA3OUT — Op-amp 3 output |
| 引脚 26 | OA3IN- — Op-amp 3 inverting input |
| 引脚 27 | OA3IN+ — Op-amp 3 non-inverting input |
| 引脚 28 | C1OUT — Comparator 1 output |
| 引脚 29 | C1IN+ — Comparator 1 non-inverting input |
| 引脚 30 | C1IN- — Comparator 1 inverting input |
| 引脚 31 | C2OUT — Comparator 2 output |
| 引脚 32 | C2IN+ — Comparator 2 non-inverting input |
| 引脚 33 | C2IN- — Comparator 2 inverting input |
| 引脚 34 | C3OUT — Comparator 3 output |
| 引脚 35 | C3IN+ — Comparator 3 non-inverting input |
| 引脚 36 | C3IN- — Comparator 3 inverting input |
| 引脚 37 | PWM1H — PWM output 1 high-side |
| 引脚 38 | PWM1L — PWM output 1 low-side |
| 引脚 39 | PWM2H — PWM output 2 high-side |
| 引脚 40 | PWM2L — PWM output 2 low-side |
| 引脚 41 | PWM3H — PWM output 3 high-side |
| 引脚 42 | PWM3L — PWM output 3 low-side |
| 引脚 43 | VDD — Digital supply voltage |
| 引脚 44 | VSS — Digital ground / exposed pad |
典型应用
PIC24EP128MC204T-I/ML 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： PIC24EP128MC204T-I/ML ——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 | 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 |
关键差异点
- Integrated 4 op-amps and 4 comparators （对比 PIC24EP128GP204T-I/PT)
- Dedicated Motor Control PWM module （对比 PIC24EP128GP204T-I/PT)
- Larger RAM (16 KB vs 8 KB) on MC variant （对比 PIC24EP128MC204T-E/ML)
设计说明
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.
合规信息
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.