DSPIC33EP64MC202-I/SS - 16-bit 70 MIPS DSC 64KB Flash | Microchip
MPN： DSPIC33EP64MC202-I/SS ✓ 啟用中DSPIC33EP64MC202-I/SS 概覽
A digital signal controller combines the peripheral set and math capability of a DSP with the interrupt-driven, low-latency architecture of a microcontroller. In the power-management hierarchy, the dsPIC33E family sits above general-purpose 16-bit PIC24 MCUs: the dsPIC DSC core adds a DSP engine with multiply-accumulate (MAC) instructions, making it a single-chip replacement for MCU-plus-DSP two-chip solutions in embedded control.
Key features include the 70 MIPS dsPIC33E core running from Flash, a high-speed MCPWM peripheral for motor control with dead-time insertion, the QEI module for encoder feedback, and the three operational amplifiers and four comparators that support current-sense front ends without external analog ICs. The 64KB Flash array stores both program code and constants in the 24-bit instruction word space.
Architecturally, the dsPIC33EP generation extends the PIC24 pipeline with DSP addressing modes, single-cycle MAC, and two address generators. Supply voltage is 3.0V to 3.6V, and the industrial (-I) temperature grade supports -40C operation, per Microchip product data.
Typical applications include BLDC and PMSM motor drives, digital power supplies (PFC, LLC), and industrial automation nodes requiring sensorless or encoder-based control.
For design, connect all VDD and VSS pairs, and note that multiple PGECx/PGEDx pairs exist for programming - ICSPCLK and ICSPDAT must be used as a matched pair (per Microchip programming guidance).
This page synthesizes drop-in alternatives, application notes, and pricing context not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64MC202-I/SS — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33EP64MC202-I/SS （相同外形與佔位） — 差異在於 Package, Operating Temperature, RAM, Core Architecture, Supply Voltage.
DSPIC33EP32MC202-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC202-E/SS
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP16MC202-I/SS
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP32MC202-E/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64GP502T-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64GP502-E/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC202-I/SS 最大額定值與電氣特性
| Core | dsPIC33E 16-bit DSC core |
| 資料匯流排寬度 | 16-bit |
| Maximum MIPS | 70 MIPS |
| Clock Speed | 60 MHz |
| Program Memory | 64KB (22K x 24) Flash |
| RAM | 8KB |
| 供應電壓 | 3 V to 3.6 V |
| Motor Control PWM | Yes (MCPWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| On-Chip Op Amps | 3 |
| On-Chip Comparators | 4 |
| 封裝 | 28-SSOP |
| 安裝類型 | Surface Mount |
| Temperature Grade | -40C (industrial, I grade) |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Life Cycle Stage | Active |
DSPIC33EP64MC202-I/SS 28-ssop 腳位配置指南
DSPIC33EP64MC202-I/SS（28-ssop 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33EP64MC202-I/SS.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC202-I/SS 適用於 6 應用s: BLDC / PMSM Motor Control, Digital Power Conversion, Industrial Automation Nodes, Power Tool and E-Bike Drives, Servo Drives and Robotics, Embedded Signal Acquisition and Filtering.
BLDC / PMSM Motor Control
The DSPIC33EP64MC202-I/SS is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its MCPWM peripheral generates complementary PWM pairs with programmable dead-time insertion, while the QEI module decodes quadrature encoder feedback for closed-loop position control. The three on-chip op amps amplify in-line shunt-resistor current-sense signals, and the four comparators provide cycle-by-cycle overcurrent limiting without external analog ICs. Running field-oriented control (FOC) or sensorless trapezoidal algorithms at 70 MIPS leaves ample CPU margin. At 3.0V to 3.6V with a 28-SSOP footprint, the part suits compact industrial drives where a single DSC replaces an MCU plus external analog front end, cutting BOM cost and board area.
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Digital Power Conversion
For digital power supplies such as PFC stages, LLC converters, and synchronous buck modules, the DSPIC33EP64MC202-I/SS provides the high-resolution MCPWM outputs and fast analog comparators needed for cycle-by-cycle current-mode control. The 70 MIPS DSP core executes compensator math (PID or 2p2z) with single-cycle MAC instructions, meeting the loop bandwidth demands of switching converters running at 100 kHz to 500 kHz. The four on-chip comparators handle overcurrent fault protection in hardware with microsecond-class latency. At 3.0V to 3.6V operation with the 8KB RAM buffering control states, the controller integrates regulation, supervision, and housekeeping in one 28-SSOP device, replacing discrete analog control loops with firmware flexibility.
推薦
Industrial Automation Nodes
In factory automation, the DSPIC33EP64MC202-I/SS serves as an intelligent actuator or sensor node controller. The QEI module reads incremental encoders from rotary actuators and linear slides, the op amps condition analog sensor signals such as pressure and load-cell outputs, and the DSP engine runs filtering and calibration math (IIR/FIR, RMS computation) at 70 MIPS. The 64KB Flash accommodates communication stacks and compensations tables in the 22K x 24 instruction space, while the -40C industrial rating matches unconditioned factory-floor environments. A single 28-SSOP DSC replaces an MCU plus separate signal-conditioning ICs, shortening the analog design cycle and improving channel-to-channel consistency across production units.
推薦
Power Tool and E-Bike Drives
Cordless power tools and e-bike traction motors need compact, cost-sensitive, and robust controllers, a fit for the DSPIC33EP64MC202-I/SS. The MCPWM module drives three-phase gate drivers with dead-time control, the comparators implement hardware overcurrent trip, and the op amps amplify low-side shunt feedback for torque control. Sensorless back-EMF algorithms execute comfortably on the 70 MIPS DSP core with single-cycle MAC. The 64KB Flash leaves room for field-weakening and protection state machines. Operating from a 3.3V logic rail derived from the battery stack, the 28-SSOP package fits handheld housings where board space and thermal budget are constrained, while the industrial temperature grade handles enclosed, high-ambient operation.
推薦
Servo Drives and Robotics
Servo drives demand deterministic position, velocity, and current loops running at kHz rates. The DSPIC33EP64MC202-I/SS closes all three loops on-chip: QEI captures encoder position, the op amp plus ADC path samples phase currents, and the 70 MIPS DSP core executes cascaded FOC loops with single-cycle multiply-accumulate, minimizing loop latency and jitter. The MCPWM peripheral updates duty cycles synchronously with ADC conversions, a critical alignment for low-noise current measurement. The 28-SSOP footprint enables compact control boards mounted directly on the motor, and the 3.0V to 3.6V supply integrates cleanly with standard logic-level gate drivers, making the DSC a single-chip servo control solution for robot joints and CNC axes.
推薦
Embedded Signal Acquisition and Filtering
Beyond motion, the DSPIC33EP64MC202-I/SS works as a smart data-acquisition node. The three integrated op amps provide programmable-gain signal conditioning directly at the pin, eliminating external instrumentation amplifiers for bridge and shunt sensors, while the four comparators implement window thresholds in hardware. The DSP core applies FIR/IIR filters, FFT-based spectral analysis, or RMS computations on sampled channels using hardware MAC instructions, sustaining 70 MIPS throughput for real-time processing. With 8KB RAM buffering sample windows and 64KB Flash holding calibration tables, the 28-SSOP DSC fits vibration monitoring, load monitoring, and process-sensing endpoints where a compact single-chip solution with on-board analog conditioning outperforms MCU-plus-op-amp discrete designs.
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推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC202-I/SS — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33EP32MC202-I/SS | DSPIC33EP64MC202-E/SS | DSPIC33EP16MC202-I/SS | DSPIC33EP64GP502T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS |
| Flash Memory | 64KB (22K x 24) | 32KB | 64KB (22K x 24) | 16KB | 64KB (22K x 24) |
| Motor-Control Peripherals | MCPWM + QEI + 3 op amps + 4 comparators | MCPWM + QEI + 3 op amps + 4 comparators | MCPWM + QEI + 3 op amps + 4 comparators | MCPWM + QEI + 3 op amps + 4 comparators | GP peripheral set (no MCPWM/QEI analog motor set) |
| Temperature Grade | Industrial (-40C, I) | Industrial (-40C, I) | Extended (E) | Industrial (-40C, I) | Industrial (-40C, I) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
主要差異化特點
- Integrated motor-control analog front end (對比DSPIC33EP64GP502T-I/SS)
- Double the code space of the cost-reduced option (對比DSPIC33EP32MC202-I/SS)
- Cost-optimized entry point available (對比DSPIC33EP16MC202-I/SS)
設計說明
The dsPIC33EP core operates from a 3.0V to 3.6V supply with an internal regulator (VCAP pin). Place a low-ESR ceramic capacitor (per Microchip datasheet recommendation) directly on the VCAP/VDDCORE pin; this capacitor stabilizes the internal 1.8V-class core rail and is the most common single point of failure if omitted or under-sized. Decouple all VDD pins with 0.1uF ceramics placed within 2-3 mm of the pin, plus one bulk 4.7uF to 10uF per supply rail.
Programming and debugging use the PGECx/PGEDx pin pairs, and they must be used as matched pairs: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Additionally, connect all VDD and VSS pins - per Microchip support documentation, leaving even one power pin unconnected can cause programming to fail. Reserve routing to at least one full PGEC/PGED pair plus MCLR on a 5-pin programming header (2x3, 1.27 mm) in production layouts.
For motor-control use, route MCPWM outputs to gate drivers with matched lengths and keep the current-sense op amp inputs as short shunt-Kelvin traces. Place the shunt resistors physically close to the op amp input pins to minimize noise pickup, and use ground plane return under the sense lines. The on-chip comparators respond fast, but their accuracy depends on clean analog grounds - separate the power ground (gate driver returns) from the analog ground node and join at a single point.
Estimated: the 28-SSOP package at 70 MIPS draws tens of milliamps class core current; with thetaJA in the ~100 C/W class typical for SSOP-28, self-heating at full-speed operation is roughly a few C above ambient, well within the industrial temperature rating. Adequate copper pour under the package keeps the die cool; only dense switching environments adjacent to hot MOSFETs need additional thermal consideration.
合規資訊
RoHS/lead-free per current Microchip production status; REACH and halogen-free status to be confirmed on the Microchip product page. Not an AEC-Q100 automotive part number.
