DSPIC33EP256MC502T-E/SO - 16-bit DSC 70 MIPS Motor Control | Microchip
부품 번호: DSPIC33EP256MC502T-E/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0.55 | $0.55 |
| 10 | $0.52 | $5.20 |
| 100 | $0.48 | $48.00 |
| 500 | $0.45 | $225.00 |
| 1,000 | $0.42 | $420.00 |
DSPIC33EP256MC502T-E/SO 개요
A digital signal controller combines the computational capability of a microcontroller with the arithmetic throughput of a digital signal processor. Within the power management hierarchy of embedded systems, a DSC sits above basic MCUs and is purpose-built for closed-loop control tasks such as field-oriented control (FOC) of motors, where fast multiply-accumulate operations and deterministic interrupt latency are essential.
Key features of this device include the 70 MIPS dsPIC DSC core with integrated DSP engine, 256 KB Flash, on-chip MCPWM (motor control PWM) peripherals, quadrature encoder interface (QEI), a CAN module for industrial networking, two integrated operational amplifiers, and three analog comparators. These analog and timing peripherals reduce external component count in power conversion and motor drive designs.
Architecturally, the dsPIC33EP family pairs the 16-bit CPU with pipelined DSP instructions, single-cycle MAC, and hardware division support, enabling real-time current loops at tens of kilohertz. The E temperature grade variant (-40C to +125C) extends operation into harsh industrial and automotive-adjacent environments where standard 0C to +70C parts cannot be used.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) control, power factor correction stages, digital power supplies, and industrial automation nodes using CAN. The integrated op amps and comparators directly support current-sense signal chains common in inverter designs.
When designing with this part, budget Flash and pin resources carefully: the 28-pin package multiplexes MCPWM, QEI, CAN, and UART functions on shared pins, so verify pin mapping early with Microchip's pin manager tooling.
This page synthesizes verified distributor data, drop-in alternatives within the dsPIC33EP256MC502 family, pricing tiers, and practical design guidance not consolidated in the manufacturer datasheet.
드롭인 대체품: DSPIC33EP256MC502T-E/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC33EP256MC502T-E/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, Core Architecture, Operating Temperature, Communication Interfaces, Flash Program Memory.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC33EP256MC502T-I/SO
✅ 드롭인✓ 재고 있음
$4.02 / 개
데이터시트 보기 →DSPIC33EP256MC502-H/SO
✅ 드롭인✓ 재고 있음
$4.38 / 개
데이터시트 보기 →DSPIC33EP256MC502-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPIC33EP128MC502-I/SO
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$3.29 / 개
데이터시트 보기 →DSPIC33EP64MC502-I/SO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
DSPIC33EP256MC502T-E/SO 최대 정격 & 전기적 특성
| Core Architecture | 16-bit dsPIC DSC |
| Max CPU Speed | 70 MIPS (60 MHz) |
| Flash Program Memory | 256 KB |
| SRAM | 32 KB |
| 패키지 | 28-pin SOIC (SO) |
| 동작 온도 | -40C to +125C (E grade) |
| Motor Control PWM (MCPWM) | Yes |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN Module | Yes |
| Integrated Op Amps | 2 |
| Analog Comparators | 3 |
| Integrated DSP Engine | Yes |
| 실장 유형 | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
DSPIC33EP256MC502T-E/SO 28-pin soic (so) 핀 구성 가이드
DSPIC33EP256MC502T-E/SO(28-pin soic (so) 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: DSPIC33EP256MC502T-E/SO.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
DSPIC33EP256MC502T-E/SO 적합 용도: 6 애플리케이션s: BLDC Motor Control, PMSM Field-Oriented Control, Digital Power Supplies and PFC, Industrial CAN Networking Nodes, Automotive-Adjacent and Harsh Environment Systems, Embedded Sensing with On-Chip Analog.
BLDC Motor Control
The DSPIC33EP256MC502T-E/SO fits brushless DC motor control because its 70 MIPS dsPIC33E core executes commutation and current-loop algorithms well above typical electrical frequencies of BLDC machines. The integrated MCPWM peripheral generates complementary or independent PWM channels with hardware dead time, eliminating external gate-timing logic, while the quadrature encoder interface reads position feedback directly. The two on-chip op amps buffer shunt-current signals and the three comparators implement cycle-by-cycle over-current protection. In a 28-pin SOIC, this consolidation removes external amplifiers and comparator ICs, cutting BOM cost and board area. The extended -40C to +125C rating suits drives inside sealed enclosures where ambient heat accumulates.
추천
PMSM Field-Oriented Control
For permanent magnet synchronous motor drives using field-oriented control, the DSPIC33EP256MC502T-E/SO provides the single-cycle multiply-accumulate DSP engine needed for Clarke/Park transforms and PI current regulators at 10-20 kHz loop rates. The 256 KB Flash accommodates sensorless observers such as sliding-mode or flux-linkage estimation plus a CAN stack, leaving headroom for field upgrades. The MCPWM module's complementary outputs drive three-phase inverters through gate drivers, and the integrated comparators enable hardware over-current trip without CPU latency. Running at 60 MHz/70 MIPS, deterministic interrupt response keeps control-loop jitter low, directly improving torque ripple and acoustic noise performance in servo and traction applications.
추천
Digital Power Supplies and PFC
The DSPIC33EP256MC502T-E/SO serves digital power applications such as power factor correction, LLC, and buck converters where fast, precise control loops are mandatory. The MCPWM peripheral supports high-resolution PWM with phase-shift and push-pull modes, matching topologies common in AC-DC front ends. Its DSP engine computes average-current-mode control efficiently, while the on-chip op amps condition current-shunt feedback and the three comparators provide primary-side peak-current protection with nanosecond-class hardware response. The 256 KB Flash supports adaptive control, soft-start sequencing, and digital communication for telemetry. The extended temperature grade supports power supplies operating in hot industrial cabinets near thermal limits.
추천
Industrial CAN Networking Nodes
With an integrated CAN module, the DSPIC33EP256MC502T-E/SO acts as an intelligent node on industrial CAN 2.0 buses used in factory automation, building control, and mobile equipment. The 70 MIPS core runs the application plus CAN stack concurrently, while 256 KB Flash stores protocol handling, diagnostics, and bootloader code for field firmware updates. Combined with its motor-control peripherals, one chip can close local servo loops and report status over CAN, removing a separate communication MCU. The -40C to +125C E-grade rating withstands unconditioned industrial environments, and the 28-pin SOIC fits compact I/O-node PCBs. Hardware-level peripheral support offloads frame buffering from software for deterministic bus latency.
추천
Automotive-Adjacent and Harsh Environment Systems
Although not AEC-Q100 qualified in the verified data, the -E extended temperature grade of the DSPIC33EP256MC502T-E/SO (-40C to +125C) makes it appropriate for harsh-environment equipment near automotive ecosystems: auxiliary pumps, agricultural actuators, and off-highway vehicle accessories. The extended rating ensures margins over the +85C industrial ceiling in engine-bay-adjacent enclosures, while the MCPWM, QEI, and comparator set drives and protects small motors directly. The 256 KB Flash permits redundant firmware images for safety-conscious updates, and CAN integration links the controller to vehicle networks. Designers must verify qualification requirements independently, since extended temperature alone does not substitute for automotive qualification.
추천
Embedded Sensing with On-Chip Analog
The two integrated operational amplifiers and three comparators on the DSPIC33EP256MC502T-E/SO enable compact sensing nodes: current monitoring, threshold detection, and signal conditioning without external analog ICs. Paired with the ADC (channel count per datasheet), the op amps can build programmable-gain front ends for shunt or sensor signals, while comparators generate interrupts for fast fault response. The 32 KB RAM buffers waveform captures for condition-monitoring analytics, and 256 KB Flash stores DSP filtering routines that exploit the DSC's MAC engine. In industrial monitoring and predictive-maintenance devices, this single-chip analog-plus-DSP integration shortens the signal chain and improves noise immunity over discrete op-amp layouts.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPIC33EP256MC502T-E/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC33EP256MC502T-I/SO | DSPIC33EP256MC502-H/SO | DSPIC33EP128MC502-I/SO | DSPIC33EP64MC502-I/SO |
|---|---|---|---|---|---|
| Package | 28-pin SOIC | 28-pin SOIC - same | 28-pin SOIC - same | 28-pin SOIC - same | 28-pin SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB | 64 KB |
| Motor Control Peripherals (MCPWM/QEI/OpAmps/Comparators) | Yes / Yes / 2 / 3 | Yes / Yes / 2 / 3 | Yes / Yes / 2 / 3 | Yes / Yes / 2 / 3 | Yes / Yes / 2 / 3 |
| CAN Module | Yes | Yes | Yes | Yes | Yes |
| Packaging | Tape & Reel | Tape & Reel | Tube/Tray | Tube/Tray | Tube/Tray |
주요 차별점
- Extended -40C to +125C temperature rating (vs DSPIC33EP256MC502T-I/SO)
- Full 256 KB Flash for complex control firmware (vs DSPIC33EP128MC502-I/SO)
- Integrated analog (2 op amps, 3 comparators) reduces external BOM (vs Generic non-DSC MCUs)
설계 노트
The 28-pin SOIC multiplexes MCPWM, QEI, CAN, UART, and analog functions across shared pins, and many digital functions are assignable via Peripheral Pin Select (PPS). Map all required peripherals in the pin planner BEFORE finalizing PCB routing - discovering a PPS conflict after layout forces a board respin. Also confirm which analog pins support the VREF+ configuration required by your current-sense accuracy budget.
Place 0.1 uF ceramic decoupling capacitors at each VDD pin pair as close to the package as possible, plus a bulk 4.7-10 uF capacitor near the controller. When driving a three-phase inverter, keep PWM outputs away from analog sense traces feeding the on-chip op amps; the integrated analog chain's accuracy depends on clean grounding. Use a solid ground plane and star-connect power grounds at the bulk capacitor to keep motor current loops out of the MCU ground return.
Verify the supply voltage range for this exact ordering code against the current family datasheet before production (see [DATA_NEEDED] marker on this page); dsPIC33EP-family parts are typically specified at 3.0-3.6 V operation. Brown-out behavior matters in motor drives: enable the internal brown-out reset so a sagging rail cannot leave MCPWM outputs in an undefined state while gate drivers remain powered, which could short the inverter bridge.
규정 준수 정보
Compliance status for this specific ordering code was not stated in the verified web data. Lisleapex describes the part as AEC-Q-qualified for extreme temperatures; treat automotive qualification as unverified - confirm on Microchip's official compliance documentation before use in automotive programs.
