DSPIC33EP64MC204-I/ML - 16-bit 70 MIPS DSC 64KB Flash | Microchip
부품 번호: DSPIC33EP64MC204-I/ML ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.95 | $49.50 |
| 100 | $4.32 | $432.00 |
| 500 | $3.95 | $1,975.00 |
| 1,000 | $3.6 | $3,600.00 |
DSPIC33EP64MC204-I/ML 개요
A digital signal controller combines the computational strengths of a microcontroller (MCU) with the DSP engine of a digital signal processor in a single chip. Within the embedded systems hierarchy, the DSC sits between a general-purpose microcontroller and a dedicated DSP, offering a C-friendly architecture plus single-cycle MAC (multiply-accumulate) instructions. The dsPIC33EP family targets real-time embedded control where fast math and precise timing are essential.
Key features of this part include the 16-bit pipeline core running up to 70 MIPS, high-speed PWM peripherals purpose-built for power conversion, 4 DMA channels for low-CPU-overhead data movement, 5 timers, and up to 51 I/O pins depending on configuration. Operation spans 3V to 3.6V supply, with typical embedded operation at 3.3V.
Technically, the dsPIC33EP64MC204 integrates enhanced peripherals such as the motor-control PWM module, advanced analog (ADC with multiple channels), and DSP instructions (DSP engine with 40-bit wide accumulator), enabling algorithms like field-oriented control (FOC) for motors and digital power loops. Clocking is supported by internal PLL from crystals or internal oscillators; Microchip USA lists a 60 MHz core clock configuration for this CMOS device.
Typical applications include precision motor control (BLDC, PMSM, ACIM), digital power supplies (switch-mode converters, PFC), LED lighting drivers, and industrial sensors or inverters where deterministic loop closure at tens of kHz is required.
Design consideration: this QFN package requires a solid ground via array under the exposed pad for thermal and signal-integrity performance; budget 3.3V regulation and follow Microchip layout guidelines for the PWM/ADC ground returns.
This page synthesizes verified distributor data, drop-in alternatives within the dsPIC33EP64MC204 family, pricing tiers, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: DSPIC33EP64MC204-I/ML — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC33EP64MC204-I/ML (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, Core, Timers, Core Architecture.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC33EP64MC204-E/ML
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPIC33EP128MC204-I/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$2.98 / 개
데이터시트 보기 →DSPIC33EP256MC204-I/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$3.4 / 개
데이터시트 보기 →DSPIC33EP32MC204-I/ML
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$2.05 / 개
데이터시트 보기 →DSPIC33EP64MC204-I/ML 최대 정격 & 전기적 특성
| Core Architecture | 16-bit dsPIC DSC |
| Maximum MIPS | 70 MIPS |
| Core Clock Speed | 60 MHz |
| Program Memory (Flash) | 64 KB (22K x 24) |
| Data RAM (SRAM) | 8 KB |
| 공급 전압 | 3 V to 3.6 V |
| DMA Channels | 4 |
| Timers | 5 |
| I/O Pins | 51 |
| 패키지 | 44-QFN (8x8 mm), ML |
| 동작 온도 | -40C to +85C (industrial) |
| 실장 유형 | Surface Mount |
| Process Technology | CMOS |
DSPIC33EP64MC204-I/ML 44-qfn (8x8 mm), ml 핀 구성 가이드
DSPIC33EP64MC204-I/ML(44-qfn (8x8 mm), ml 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: DSPIC33EP64MC204-I/ML.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
DSPIC33EP64MC204-I/ML 적합 용도: 6 애플리케이션s: Precision BLDC/PMSM Motor Control, Digital Power Supplies (SMPS/PFC), Industrial Automation and Sensors, Digital LED Lighting and Dimming, Power Inverters and Solar MPPT, Embedded Audio and Signal Processing Nodes.
Precision BLDC/PMSM Motor Control
The DSPIC33EP64MC204-I/ML fits precision motor control because its 70 MIPS DSP core executes field-oriented control (FOC) loops at tens of kHz while the integrated high-speed PWM generates complementary outputs with hardware dead-time insertion. The 4 DMA channels move ADC current-sampling data without CPU intervention, keeping the control loop deterministic. Typically the ADC is triggered by the PWM module to sample phase currents at the PWM midpoint, eliminating switching noise from the readings; the DSP engine then completes the Clarke/Park transforms and PI loops within one PWM period. This integration removes the need for an external DSP or dedicated motor ASIC, reducing BOM cost. Microchip supplies free FOC reference firmware for the MC subfamily, shortening development time substantially.
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Digital Power Supplies (SMPS/PFC)
For digitally controlled switch-mode power supplies and PFC stages, the DSPIC33EP64MC204-I/ML offers the high-speed PWM resolution and DSP throughput needed for voltage-mode or current-mode control loops updating at 100 kHz or more. The 16-bit core with a 40-bit accumulator DSP engine performs the compensation-filter math in single-cycle MAC operations, while DMA services ADC results with no jitter-inducing interrupts. The controller runs from a single 3.3V rail (3V-3.6V range) simplifying bias design. Designers typically close the voltage loop at several kHz and the inner current loop near the switching frequency; the 70 MIPS budget leaves headroom for housekeeping tasks like telemetry and protection supervision. Over-current and over-voltage protections can be implemented in hardware comparators for cycle-by-cycle fault response.
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Industrial Automation and Sensors
In factory automation nodes, the DSPIC33EP64MC204-I/ML acts as an intelligent sensor or actuator controller: its 51 I/O pins interface limit switches, encoders, and communication transceivers, while the DSP engine filters noisy signals (IIR/FIR) in real time. The industrial temperature rating of -40C to +85C covers unconditioned cabinets on the factory floor. The 5 timers support capture/compare functions for quadrature encoder decoding and PWM actuator drive simultaneously, and 4 DMA channels keep multi-channel ADC sampling continuous. Communication with PLCs is handled via UART/SPI/I2C peripherals mapped onto the 44-QFN pins. The single-chip approach replaces discrete MCU-plus-DSP designs, cutting board area in dense I/O modules where the 8x8 mm QFN footprint is a real advantage.
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Digital LED Lighting and Dimming
High-power LED drivers benefit from the DSPIC33EP64MC204-I/ML's high-resolution PWM for precise current regulation and smooth dimming to very low brightness levels without visible flicker. The 70 MIPS core implements average-current-mode control loops for the LED string while simultaneously handling DALI/DMX-style protocol parsing in software. The multi-channel PWM allows independent strings (RGBW) driven from one controller, and the ADC tracks output current and temperature for closed-loop thermal derating. Operating from a 3.3V bias derived from the mains supply, the controller's DMA-driven sampling maintains regulation accuracy across line cycles. Because the MC204 carries 64KB of self-programmable FLASH, field firmware updates for new dimming curves or color-mixing algorithms can be delivered without hardware changes.
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Power Inverters and Solar MPPT
Solar micro-inverters and MPPT converters use the DSPIC33EP64MC204-I/ML to run both the maximum-power-point tracking algorithm and the grid-tied inverter control loops on one chip. The DSP engine computes the MPPT perturb-and-observe or incremental-conductance update each control cycle, while the high-speed PWM synthesizes the switching pattern; ADC channels sample PV voltage/current and grid synchronization signals, transferred by DMA. The 60 MHz clocked core provides the arithmetic throughput for sine-reference generation and locking via software PLL. The QFN-44 package's exposed pad grounds to the control-side ground plane, containing switching-noise coupling to the sensitive analog front end. The 64KB FLASH stores the full control plus grid-compliance firmware with margin for field updates.
추천
Embedded Audio and Signal Processing Nodes
The DSPIC33EP64MC204-I/ML serves cost-sensitive DSP nodes such as active filters, sensor-fusion preprocessing, and industrial audio triggering, exploiting the same single-cycle MAC DSP engine used in motor control. With the 70 MIPS core, FIR and IIR filters, FFTs, and envelope detectors run comfortably within modest power budgets on a single 3.3V rail. The multi-channel ADC digitizes microphone or sensor inputs while DMA streams results to SRAM buffers in the 8KB data memory - sufficient for moderate block-based processing. GPIO and UART/SPI/I2C on the 44-QFN interface codec chips or wireless modules. Compared with a general-purpose MCU, the DSC completes filtering tasks several times faster; compared with a dedicated DSP, it integrates system control, timing, and I/O in one 8x8 mm package.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPIC33EP64MC204-I/ML — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC33EP64MC204-E/ML | DSPIC33EP128MC204-I/ML | DSPIC33EP256MC204-I/ML | DSPIC33EP32MC204-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) ML | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | 16-bit dsPIC, 70 MIPS | 16-bit dsPIC, 70 MIPS | 16-bit dsPIC, 70 MIPS | 16-bit dsPIC, 70 MIPS | 16-bit dsPIC, 70 MIPS |
| Program Flash | 64 KB (22K x 24) | 64 KB | 128 KB | 256 KB | 32 KB |
| Operating Temperature | -40C to +85C (industrial) | Extended range (higher than -I) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Relative Cost | Baseline | Slightly higher (temp grade) | Moderately higher | Highest of family | Lower |
| Pin-to-Pin Compatibility | Reference | 100% drop-in | 100% drop-in | 100% drop-in | 100% drop-in |
주요 차별점
- Balanced 64KB FLASH / 8KB SRAM for full FOC stack (vs DSPIC33EP32MC204-I/ML)
- Extended-temperature drop-in available (vs DSPIC33EP64MC204-E/ML)
- Cost-optimized memory point in family (vs DSPIC33EP256MC204-I/ML)
설계 노트
The 44-QFN 8x8 mm ML package has an exposed pad that must be soldered to a grounded via array (typically 4-9 vias) to provide both the ground return and thermal relief. Skimping on the exposed-pad connection is the most common cause of intermittent ground bounce and ADC noise issues on QFN dsPIC designs. Follow Microchip's layout guidelines for high-speed PWM ground returns: keep the power-stage gate-driver ground separate from the analog ADC ground, joining them only at the exposed pad.
Supply is 3V to 3.6V; design the regulator for 3.3V with adequate margin for brown-out during motor stall or inverter fault conditions. Decouple every VDD pin with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus 4.7-10uF bulk near the device. Estimated: at 70 MIPS with typical peripheral loading, core current is on the order of tens of mA - size the 3.3V bias rail with margin for simultaneous PWM and ADC activity per the datasheet current tables rather than worst-case assumptions.
Verify the exact package footprint before layout: DSPIC33EP64MC204 parts exist in 44-QFN (ML) and 44-TQFP (PT) variants with different land patterns - they are not interchangeable footprints. Also confirm the '-I' (industrial) versus '-E' (extended) temperature suffix at purchase; the E-grade is a drop-in upgrade but not the reverse. Finally, program memory sizing: if firmware may grow (bootloader plus FOC plus comms stack), consider the 128KB DSPIC33EP128MC204-I/ML drop-in from the start since the PCB is identical.
규정 준수 정보
Verified web data records lifecycle stage as ACTIVE (DigChip) but does not state explicit RoHS/REACH/lead-free status. Verify compliance certificates on the official Microchip product page before regulatory sign-off.
