PIC24EP128MC202T-I/SS - 16-bit 70MIPS Motor MCU 128KB | Microchip
料号： PIC24EP128MC202T-I/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.1 | $4,100.00 |
PIC24EP128MC202T-I/SS 概述
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a 16-bit CPU core, program memory, data RAM, and peripherals such as timers, ADCs, communication interfaces, and PWM modules. The PIC24EP family belongs to the broader dsPIC33 / PIC24E lineage of Microchip's high-performance 16-bit controllers, sitting architecturally between 8-bit PIC16/PIC18 MCUs and 32-bit ARM Cortex-M devices. This hierarchy makes the PIC24EP128MC202 ideal for demanding real-time control tasks that exceed 8-bit capability but do not justify the cost or power of a 32-bit MCU.
Key features include three 16-bit timers, up to six PWM channels with high-speed PWM (up to 1 ns PWM resolution), a 10/12-bit ADC with up to 1.1 Msps conversion rate, four op amps and three comparators optimized for current/voltage sensing, plus communication peripherals including UART, SPI, I2C, and ECAN. The integrated motor-control PWM module supports complementary outputs with programmable dead time, making the device particularly well-suited to driving three-phase motor inverter stages.
The device uses a 5-stage pipeline modified Harvard architecture with a 16-bit data path and 24-bit instruction width, providing high code density and deterministic interrupt response. An on-chip 8 MHz internal oscillator with PLL supports system clock scaling up to 70 MIPS without an external crystal, reducing BOM cost. The peripheral trigger generator (PTG) and DMA controller offload CPU overhead for high-speed data movement.
Typical applications include brushless DC (BLDC) motor control, permanent magnet synchronous motor (PMSM) field-oriented control (FOC), industrial servo drives, low-power fan/pump controllers, and home appliances with sensorless or sensored motor feedback. The integrated op amps and comparators allow direct current-shunt monitoring and back-EMF sensing without external analog components.
When designing with the PIC24EP128MC202T-I/SS, note that the SSOP-28 footprint has limited thermal dissipation, so high-current PWM outputs should drive gate-driver ICs rather than power switches directly. The MPLAB X IDE with the MPLAB XC16 compiler and the MPLAB Code Configurator (MCC) plugin is the recommended toolchain for peripheral setup and motor-control application development.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application context that complement (but do not replace) the manufacturer datasheet.
直接替换替代料： PIC24EP128MC202T-I/SS ——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： PIC24EP128MC202T-I/SS （相同外形与封装尺寸） ——差异在于 ADC, Package, PWM Channels, Core Architecture, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC24EP128MC202T-E/SS
✅ 直接替换✓ 有现货
$3.85 / 个
查看数据手册 →PIC24EP128MC202-H/SS
✅ 直接替换✓ 有现货
$4.11 / 个
查看数据手册 →PIC24EP128MC202T-I/SO
✅ 直接替换✓ 有现货
$4.05 / 个
查看数据手册 →PIC24EP128MC202T-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24EP128MC202-E/SP
✅ 直接替换✓ 有现货
$4.2 / 个
查看数据手册 →PIC24EP128MC202T-I/SS 最大额定值与电气特性
| Core Architecture | PIC24E 16-bit modified Harvard, 5-stage pipeline |
| Program Memory (Flash) | 128 KB |
| Data RAM | 16 KB |
| Maximum CPU Speed | 70 MIPS at 70 MHz |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| 工作温度范围 | -40 C to +85 C (Industrial) |
| 封装 | 28-pin SSOP (0.209 inch / 5.30 mm width) |
| PWM Channels | Up to 6 channels, high-speed with 1 ns resolution |
| ADC | 10/12-bit, up to 1.1 Msps |
| Op Amps / Comparators | 4 op amps and 3 comparators |
| Timers | Three 16-bit timers |
| Communication Peripherals | UART, SPI, I2C, ECAN |
| DMA Controller | Yes (8-channel) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC24EP128MC202T-I/SS 28-pin ssop (0.209 inch / 5.30 mm width) 引脚配置指南
PIC24EP128MC202T-I/SS（28-pin ssop (0.209 inch / 5.30 mm width) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC24EP128MC202T-I/SS.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC24EP128MC202T-I/SS 适用于 3 应用s: Brushless DC (BLDC) Motor Control, Field-Oriented Control (FOC) of PMSM Motors, Industrial Servo Drive Control.
Brushless DC (BLDC) Motor Control
The PIC24EP128MC202T-I/SS is purpose-built for BLDC motor control with integrated gate-driver-friendly PWM outputs and current-sense op amps. Its 70 MIPS core runs sensorless or sensored commutation at 20-40 kHz PWM, while the 1.1 Msps ADC samples two phase currents and DC-bus voltage synchronously with the PWM reload for jitter-free measurement. The 4 op amps interface directly to low-side current shunts without external instrumentation amplifiers, cutting BOM cost. The Microchip AN1160 sensorless BEMF application note ships reference firmware for this MCU, accelerating time-to-market. Use the dsPIC33EP variant if hardware DSP is required for advanced filter routines.
推荐
Field-Oriented Control (FOC) of PMSM Motors
The PIC24EP128MC202T-I/SS supports field-oriented control of permanent magnet synchronous motors via its 16KB RAM and 70 MIPS throughput. The MCU executes Clarke/Park transforms, SVPWM modulation, and PI current loops within typical 10-20 kHz control rates, leaving headroom for speed/torque loops and communication. The 3 comparators handle fast over-current protection by triggering a hardware PWM shutdown independent of CPU latency. Reference FOC firmware is provided in Microchip AN1078. For applications demanding higher control rates or hardware DSP, step up to the dsPIC33EP128MC202 in the same SSOP-28 footprint.
推荐
Industrial Servo Drive Control
The PIC24EP128MC202T-I/SS fits industrial servo drive position loops where 16-bit control precision, ECAN communication, and deterministic interrupt response are required. Its peripheral trigger generator (PTG) synchronizes ADC sampling to PWM edges, ensuring consistent current-sampling points across load conditions. The ECAN peripheral enables multi-axis drives on a single CAN bus, while the UART supports RS-485 for legacy industrial networks. The industrial -40C to +85C temperature rating covers factory-floor enclosures, and the SSOP-28 package is footprint-compatible with the higher-pin-count PIC24EP256MC202 family for code migration.
