DSPIC33FJ128MC710A-I/PF - 40 MIPS 128KB Flash Motor Control DSC | Microchip
부품 번호: DSPIC33FJ128MC710A-I/PF ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $9.87 | $9.87 |
| 10 | $8.92 | $89.20 |
| 100 | $7.95 | $795.00 |
| 500 | $7.12 | $3,560.00 |
| 1,000 | $6.45 | $6,450.00 |
DSPIC33FJ128MC710A-I/PF 개요
A Digital Signal Controller is a hybrid of a microcontroller (MCU) and a Digital Signal Processor (DSP). The MCU side provides deterministic interrupt-driven control, while the DSP side adds high-throughput arithmetic for real-time control loops. In the broader taxonomy: DSC -> microcontroller -> embedded processor -> semiconductor. DSCs sit between 8/16-bit MCUs (limited math throughput) and full DSPs (no deterministic peripherals), making them ideal for closed-loop motor control, digital power conversion, and sensor signal conditioning.
Key features of this part include a 16-bit dsPIC33F core with 40 MIPS throughput, 128 KB program Flash, 8 KB RAM, 8-channel PWM with complementary outputs and dead-time control, dual 10-bit ADCs at 1.1 Msps with up to 16 input channels, two 16-bit timers, and a CAN 2.0B interface alongside I2C, SPI, UART, and LIN. The 100-pin TQFP package exposes 85 I/O lines for parallel peripheral integration.
The architecture combines Harvard-bus memory, a hardware MAC unit for one-cycle 16x16-bit multiplies, and motor-control PWM with up to 8 outputs. Hardware QEI (Quadrature Encoder Interface) and input capture simplify closed-loop feedback wiring. The device operates from 3.0 V to 3.6 V and is industrial-grade (-40C to +85C), making it suitable for harsh industrial environments.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, 3-phase induction motor control, switched reluctance motor drives, uninterruptible power supplies (UPS), and digital power conversion. The combination of fast ADC, dedicated motor-control PWM, and CAN bus makes it a fit for industrial servo drives and field-oriented control (FOC) systems.
A key design consideration is that the on-chip 3.3 V LDO must be bypassed with a 10 uF bulk + 0.1 uF ceramic pair, and the ADC reference pins require separate decoupling to prevent motor-switching noise coupling into the conversion result. PWM fault inputs should be wired to the comparator outputs and external protection circuits.
This page synthesizes distributor pricing, drop-in same-family alternatives from the dsPIC33F portfolio, and practical motor-control PCB layout guidance not found in the standalone Microchip datasheet. Pricing references are stated 'as of 2026-09-26'.
드롭인 대체품: DSPIC33FJ128MC710A-I/PF — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC33FJ128MC710A-I/PF (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Package, Operating Temperature, Maximum CPU Speed, Core Architecture.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC33FJ128MC710-I/PF
✅ 드롭인✓ 재고 있음
$7.15 / 개
데이터시트 보기 →DSPIC33FJ128MC510A-I/PF
✅ 드롭인✓ 재고 있음
$8.1 / 개
데이터시트 보기 →DSPIC33FJ64MC710A-I/PF
✅ 드롭인✓ 재고 있음
$5.92 / 개
데이터시트 보기 →DSPIC33FJ256MC710A-I/PF
✅ 드롭인✓ 재고 있음
$9.1 / 개
데이터시트 보기 →DSPIC33FJ128MC710A-I/PF 최대 정격 & 전기적 특성
| Core | dsPIC33F 16-bit DSC (MCU + DSP engine) |
| Maximum CPU Speed | 40 MIPS at 40 MHz (MIPS = 1 MHz) |
| Program Memory (Flash) | 128 KB |
| Data RAM | 8 KB |
| 공급 전압 | 3.0 V to 3.6 V |
| 동작 온도 | -40C to +85C (Industrial) |
| 패키지 | 100-pin TQFP (14x14 mm) |
| I/O Pins | 85 |
| ADC | Dual 10-bit, up to 16 channels, 1.1 Msps |
| PWM Channels | 8 with complementary outputs and dead-time |
| Timers | Two 16-bit, plus one 32-bit timer |
| QEI Modules | 1 (Quadrature Encoder Interface) |
| DMA Channels | 8 |
| Communication | CAN 2.0B, I2C, SPI, UART, LIN |
| 실장 유형 | Surface Mount |
| MSL 레벨 | 3 (168 hours) |
| RoHS 상태 | Compliant |
DSPIC33FJ128MC710A-I/PF 100-pin tqfp (14x14 mm) 핀 구성 가이드
DSPIC33FJ128MC710A-I/PF(100-pin tqfp (14x14 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: DSPIC33FJ128MC710A-I/PF.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
DSPIC33FJ128MC710A-I/PF 적합 용도: 6 애플리케이션s: Brushless DC (BLDC) Motor Drive, 3-Phase Induction Motor (ACIM) VFD, Permanent Magnet Synchronous Motor (PMSM) Servo Drive, Switched Reluctance Motor (SRM) Controller, Uninterruptible Power Supply (UPS) / Inverter, Industrial Field-Oriented Control (FOC) Reference Platform.
Brushless DC (BLDC) Motor Drive
The DSPIC33FJ128MC710A-I/PF is purpose-built for BLDC motor control thanks to its 8-channel motor-control PWM with dead-time insertion, dual 1.1 Msps 10-bit ADC for simultaneous current sensing, and a hardware QEI module for rotor position feedback. At 40 MIPS, the dsPIC core can execute field-oriented control (FOC) algorithms or trapezoidal commutation in real time within a 25 us PWM cycle. The 8 DMA channels offload ADC-to-memory transfers, freeing CPU cycles for control loops. Pin-to-pin compatible variants like the DSPIC33FJ128MC510A-I/PF allow design reuse.
추천
3-Phase Induction Motor (ACIM) VFD
For variable-frequency drives (VFD) controlling 3-phase induction motors, the DSPIC33FJ128MC710A-I/PF delivers the compute throughput required for sensorless vector control and V/Hz open-loop modes. Its 16 input ADC channels handle DC-bus voltage, two phase currents, and temperature feedback simultaneously at 1.1 Msps. The 85 I/O lines support opto-isolated gate driver interfaces, keypad inputs, and CAN bus for industrial networking. The 3.0-3.6 V supply pairs cleanly with isolated gate drivers such as the UCC21750-Q1 in the high-voltage power stage.
추천
Permanent Magnet Synchronous Motor (PMSM) Servo Drive
In PMSM servo drives using field-oriented control, the DSPIC33FJ128MC710A-I/PF's 40 MIPS throughput enables 20 kHz control loops with full FOC math (Clarke/Park transforms, inverse transforms, PI controllers, space vector modulation). The 128 KB Flash holds complex state machines, autotuning routines, and CANopen or EtherCAT-slave libraries. The QEI module captures high-speed encoder signals for precise rotor angle tracking. Industrial servo drives in factory automation benefit from the -40C to +85C operating range.
추천
Switched Reluctance Motor (SRM) Controller
Switched reluctance motors require independent control of phase currents and asymmetric half-bridge PWM - exactly what the DSPIC33FJ128MC710A-I/PF's 8-channel motor-control PWM provides. The dual ADC samples up to 16 inputs per cycle, suitable for current sensing on multiple phases. With 8 KB RAM and 8 DMA channels, the device can run position-sensorless angle estimation algorithms. The 100-pin TQFP exposes enough I/O for 6-phase SRM topologies with full protection circuitry.
추천
Uninterruptible Power Supply (UPS) / Inverter
In UPS and solar inverter applications, the DSPIC33FJ128MC710A-I/PF executes digital control loops for PFC (power factor correction) and DC-AC inversion. Its 8-channel PWM drives full-bridge IGBT stages, while the dual ADC samples input current, output voltage, and grid voltage for MPPT or grid-synchronization algorithms. The 128 KB Flash holds complex state machines for grid-tie compliance (anti-islanding, THD control) and CAN bus networking for battery management communication.
추천
Industrial Field-Oriented Control (FOC) Reference Platform
Microchip's motor-control development ecosystem uses the DSPIC33FJ128MC710A-I/PF as a reference platform for FOC, trapezoidal, and sinusoidal commutation algorithms. With MPLAB X IDE, MPLAB Code Configurator (MCC), and the dsPIC33F Motor Control Library, engineers can prototype field-oriented control on 3-phase PMSM, BLDC, and ACIM motors within days. The CAN 2.0B interface enables integration with industrial CANopen or DeviceNet networks, while 85 I/O lines provide expansion for additional peripherals like external encoder interfaces or LCD displays.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPIC33FJ128MC710A-I/PF — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC33FJ128MC710-I/PF | DSPIC33FJ128MC510A-I/PF | DSPIC33FJ64MC710A-I/PF | DSPIC33FJ256MC710A-I/PF |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (PF) 14x14 mm | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 256 KB (+100%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 16 KB (+100%) |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Motor-Control PWM | 8 channels with dead-time | 8 channels with dead-time | GP/MC variant (varies by device) | 8 channels with dead-time | 8 channels with dead-time |
| ADC | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps | Dual 10-bit, 16 channels, 1.1 Msps |
| QEI Module | Yes (1) | Yes (1) | Yes (1) | Yes (1) | Yes (1) |
| I/O Pins | 85 | 85 | 85 | 85 | 85 |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes |
주요 차별점
- Largest Flash density in same 100-pin TQFP family (vs DSPIC33FJ64MC710A-I/PF)
- Dedicated 8-channel motor-control PWM with hardware dead-time (vs DSPIC33FJ128GP710A-I/PF)
- Hardware QEI module for encoder feedback (vs DSPIC33FJ128GP710A-I/PF)
- Full 8-channel PWM and dual ADC - higher than typical 16-bit MCU integration (vs PIC24F series)
설계 노트
The DSPIC33FJ128MC710A-I/PF integrates a 3.3 V LDO that supplies the core logic from a single 3.0-3.6 V rail. Per the Microchip datasheet, place a 10 uF tantalum or ceramic bulk capacitor on VDD plus a 0.1 uF ceramic decoupling cap within 5 mm of each VDD pin. The ADC VREF+ pin requires its own 1 uF + 0.1 uF decoupling pair to prevent motor-switching noise from corrupting ADC readings. Connect all VSS pins directly to the ground plane.
Use a 4-layer PCB for motor-control designs with the DSPIC33FJ128MC710A-I/PF: layer 1 (top) for signal + power-stage, layer 2 (inner) as solid ground plane, layer 3 (inner) for 3.3 V power, layer 4 (bottom) for signal. Place the analog ground island under the ADC and reference pins and stitch it to the main ground plane at a single point under the DSC. Keep the PWM traces short (less than 25 mm) and away from the analog signals. Estimated: at a 10 kHz PWM switching frequency with 6-inch traces, gate-drive ringing should be well below 5%.
Do not exceed 3.6 V on any I/O pin - the DSPIC33FJ128MC710A-I/PF is NOT 5 V tolerant. Use level shifters (such as the MCP23017 or TXS0108E) when interfacing to 5 V logic such as legacy industrial peripherals or older display modules. The PWM fault input (FLTA1) must be wired to the comparator output and over-current protection circuitry to ensure hardware-level shutdown of the inverter within microseconds.
For QEI input signals from a high-speed encoder, route the differential or single-ended QEA/QEB/INDX traces as a matched-length group and add a series 100 ohm resistor at the DSC pin to dampen ringing. Estimated: at 10 MHz encoder line frequency on a 6-inch trace, source-termination of 100 ohm prevents reflections above 200 mV. Keep these traces away from the PWM outputs by at least 25 mm and use a guard trace grounded at both ends if space allows.
규정 준수 정보
RoHS compliant per Microchip product page. Industrial grade (-40C to +85C), not AEC-Q100 qualified - choose AEC-Q100 qualified dsPIC33 variants for automotive.
