DSPIC33EP256MC202-I/MM - 70 MIPS 16-bit DSC QFN-28 | Microchip
부품 번호: DSPIC33EP256MC202-I/MM ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $5.1 | $5.10 |
| 10 | $4.59 | $45.90 |
| 100 | $4.1 | $410.00 |
| 500 | $3.68 | $1,840.00 |
| 1,000 | $3.3 | $3,300.00 |
DSPIC33EP256MC202-I/MM 개요
A digital signal controller combines the computational power of a digital signal processor with the deterministic control architecture of a microcontroller. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the standard choice for closed-loop power conversion and motion systems where fast math execution and rich analog peripherals must coexist on one chip.
Key features include high-speed motor-control PWM peripherals with complementary outputs and dead-time control, on-chip op-amps for current-sense amplification, and advanced analog with multiple 10-bit/12-bit ADC converters supporting simultaneous sampling. DMA channels offload the CPU during high-rate ADC conversions, and the 70 MIPS core executes DSP multiply-accumulate instructions in a single cycle, which is essential for field-oriented control (FOC) and digital filtering.
The dsPIC33EP architecture uses an enhanced modified Harvard pipeline with a 60 MHz internal clock rate (Mouser lists 60 MHz operating frequency), 3.0 V to 3.6 V supply operation, and an industrial temperature range of -40C to +85C for the -I suffix. Programming and debugging are handled through ICSP using any PGECx/PGEDx pair, with full support for the MPLAB X IDE and MPLAB ICD/REAL ICE toolchains.
Typical applications include precision motor control (BLDC, PMSM, FOC), digital power supplies (LLC, PFC, buck), solar micro-inverters, battery chargers, and industrial sensing nodes that combine control loops with analog measurement.
Design consideration: place the VCAP stabilization capacitor exactly as specified in the Microchip datasheet DS70000657J, and connect all VDD/VSS pairs; the regulator output capacitor is critical for startup reliability.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
드롭인 대체품: DSPIC33EP256MC202-I/MM — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC33EP256MC202-I/MM (동일 폼 팩터 및 풋프린트) — 차이점: Operating Temperature, Package, Program Memory (Flash), Mounting Type, Core.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC33EP128MC202-I/MM
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$4.9 / 개
데이터시트 보기 →DSPIC33EP64MC202-I/MM
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$2.29 / 개
데이터시트 보기 →DSPIC33EP256MC202-E/MM
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →DSPIC33EP256MC202-H/MM
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPIC33EP256MC202-I/MM
✅ 드롭인✓ 재고 있음
$3.3 / 개
데이터시트 보기 →DSPIC33EP256MC202-I/MM 최대 정격 & 전기적 특성
| Core Architecture | 16-bit dsPIC DSC |
| Max Operating Speed | 70 MIPS |
| Operating Frequency | 60 MHz |
| Program Memory (FLASH) | 256 KB (85.5K x 24) |
| SRAM | 32 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| 패키지 | 28-QFN-S (6x6 mm) |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40C to +85C (Industrial, -I suffix) |
| Peripherals | Motor Control PWM, Op Amps, DMA |
| ADC | Multiple 10-bit / 12-bit converters |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Family | dsPIC33EP MC20X (Motor Control) |
| Typical Applications | Precision Motor Control, Digital Power |
| Debugging Support | Yes (MPLAB ICD / REAL ICE) |
DSPIC33EP256MC202-I/MM 28-qfn-s (6x6 mm) 핀 구성 가이드
DSPIC33EP256MC202-I/MM(28-qfn-s (6x6 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: DSPIC33EP256MC202-I/MM.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
DSPIC33EP256MC202-I/MM 적합 용도: 6 애플리케이션s: Field-Oriented Motor Control (FOC), Digital Power Supplies (LLC, PFC, Buck), Solar Micro-Inverters, Battery Chargers and BMS, Industrial Sensing and Automation Nodes, Embedded DSP and Audio Processing.
Field-Oriented Motor Control (FOC)
The DSPIC33EP256MC202-I/MM is purpose-built for sensorless FOC of PMSM and BLDC motors. Its 70 MIPS dsPIC core executes single-cycle multiply-accumulate instructions, completing Clarke/Park transforms and PI current loops at 10-20 kHz PWM frequencies with margin to spare. The high-speed motor-control PWM module generates complementary outputs with hardware dead-time insertion, while on-chip op-amps amplify low-level shunt-resistor phase currents before the simultaneous-sampling 12-bit ADC converts them with DMA offload. Place the controller between gate-driver ICs and the inverter bridge; the fully digital loop eliminates analog tuning and supports position estimation algorithms entirely in firmware, reducing BOM cost versus discrete DSP-plus-MCU solutions.
추천
Digital Power Supplies (LLC, PFC, Buck)
For digitally controlled AC-DC and DC-DC converters, the DSPIC33EP256MC202-I/MM provides the deterministic loop timing that digital power demands. The 70 MIPS core closes voltage and current loops in software with sub-microsecond latency, while high-resolution PWM phases support LLC burst-mode and phase-shift topologies. The 12-bit ADC with DMA captures output voltage and current each switching cycle without CPU intervention, and the on-chip op-amps can condition current-shunt signals externally. Compared with analog controllers, firmware enables soft-start profiles, nonlinear gain scheduling, and adaptive dead-time optimization - and the same PCB supports multiple topologies by reflashing firmware rather than redesigning compensation networks.
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Solar Micro-Inverters
Micro-inverters combine MPPT control, grid-synchronization, and safety monitoring in one controller - exactly the workload the DSPIC33EP256MC202-I/MM handles. The 70 MIPS core runs MPPT algorithms plus PLL grid-locking concurrently, DMA-driven ADC sampling captures panel voltage, current, and grid waveforms each cycle, and the high-speed PWM drives interleaved boost and H-bridge stages. The industrial -40C to +85C rating matches rooftop enclosure environments, and the 28-pin QFN footprint fits the compact per-panel form factor. Firmware-implemented anti-islanding and grid-fault detection replace discrete monitoring ICs, cutting component count while meeting grid-code requirements through software updates rather than hardware revision.
추천
Battery Chargers and BMS
Smart battery chargers benefit from the DSPIC33EP256MC202-I/MM's blend of control-loop speed and analog integration. The controller executes CC/CV/CV-trickle state machines with coulomb-counting in software, while the on-chip op-amps and 12-bit ADC monitor charge current and cell voltage with DMA-scheduled sampling. The high-speed PWM modulates the buck or synchronous-rectification power stage at hundreds of kHz. With 256 KB FLASH, the same device stores charging profiles, safety logs, and communication stacks (SMBus/UART), eliminating a separate supervisory MCU. The 28-pin QFN-S package suits compact charger dongles, e-bike chargers, and industrial battery packs.
추천
Industrial Sensing and Automation Nodes
In factory automation, the DSPIC33EP256MC202-I/MM serves as an intelligent sensing and actuation node. Its 16-bit core with DSP instructions runs digital filtering (IIR/FIR) on analog sensor channels sampled through the 12-bit ADC with DMA, while UART/SPI/I2C interfaces report data to SCADA or PLC networks. The on-chip op-amps condition strain-gauge, thermocouple, or pressure-sensor signals externally, and remaining PWM channels drive actuators or alarms. The 28-QFN-S 6x6 mm footprint fits distributed I/O modules, and the industrial temperature grade plus Microchip's long-lifecycle policy keeps multi-year production lines stable without forced redesigns.
추천
Embedded DSP and Audio Processing
The DSP engine of the DSPIC33EP256MC202-I/MM - single-cycle MAC, bit-reversed addressing for FFTs, and 70 MIPS throughput - makes it a practical embedded signal-processing controller for cost-sensitive audio and vibration products. Its ADC can sample microphone or accelerometer inputs while software implements spectral analysis, active noise cancellation coefficients, or tone generation, with PWM-DAC outputs driving simple audio paths. With 256 KB FLASH there is ample room for algorithm libraries plus a communications stack, and 32 KB SRAM supports meaningful FIR filter lengths. The QFN-28 package suits compact consumer and industrial products where a full DSP is overkill.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPIC33EP256MC202-I/MM — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC33EP128MC202-I/MM | DSPIC33EP64MC202-I/MM | DSPIC33EP256MC202-E/MM | DSPIC33EP256MC202-H/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (FLASH) | 256 KB (85.5K x 24) | 128 KB | 64 KB | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Core Speed | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C | 0C to +70C |
| Pin Compatibility | dsPIC33EP MC202 28-QFN pinout (DS70000657J) | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical |
주요 차별점
- Maximum family FLASH at 28-pin cost point (vs DSPIC33EP128MC202-I/MM)
- Industrial temperature rating (vs DSPIC33EP256MC202-H/MM)
- Lower cost for reduced firmware (vs DSPIC33EP64MC202-I/MM)
설계 노트
The dsPIC33EP integrates an internal 2.5 V core regulator fed from the 3.0-3.6 V VDD rail; its output must be decoupled by the VCAP capacitor placed within a few millimeters of the VCAP pin with a low-ESR ceramic value exactly as specified in the Microchip family datasheet DS70000657J. Missing or misplaced VCAP capacitance is the most common cause of unreliable power-up on dsPIC33E designs. Connect all VDD and VSS pin pairs directly to short, wide traces, and add 0.1 uF decoupling at each VDD pin plus one bulk 4.7-10 uF capacitor.
For motor-control PWM outputs switching inductive loads, keep the controller's analog supply (AVDD/AVSS) on a quiet island separated from PWM switching currents; route AVDD through a ferrite bead from VDD and return AVSS at a single point near the ADC's reference ground. The on-chip op-amps used for current shunt amplification are only as accurate as their grounding - Kelvin-connect the shunt sense lines to the op-amp input pins and avoid sharing any ADC ground return with gate-driver loops that can carry tens of amps of switching current.
ICSP programming requires matched PGECx/PGEDx pairs: if PGEC2 carries ICSPCLK, ICSPDAT must be on PGED2 - mixing pairs from different channels fails silently per the NorthernSoftware dsPIC33EP256MC202 programming summary. Additionally, do not load MCLR with heavy capacitive pull-downs that can confuse the programming voltage detection. Estimated: keep MCLR trace short with a 10 kohm pull-up to VDD and, if needed for noise immunity, a 100 ohm-1 kohm series resistor rather than capacitance.
규정 준수 정보
RoHS compliance and lead-free finish inferred from active Microchip production status and DigiKey listing; formal RoHS/REACH certificates should be requested from Microchip. AEC-Q100 not applicable to the -I grade (the -E/MM variant is cited for automotive use by Microchip USA but no formal qualification statement appears in the provided data).
