DSPIC33FJ128MC710-I/PT - 16-bit DSC 40MIPS 128KB Flash 100-TQFP
MPN： DSPIC33FJ128MC710-I/PT ✓ 啟用中DSPIC33FJ128MC710-I/PT 概覽
Key features include 16 KB of RAM, eight DMA channels for peripheral-to-memory transfers, nine 16-bit timers, four serial communication ports (UART/SPI/I2C), an 8-channel motor-control PWM module with up to 16-bit resolution, a 12-bit ADC with up to 32 input channels and 1 Msps throughput, and quadrature encoder interfaces for closed-loop motor feedback. The integrated DSP engine executes one MAC instruction per cycle, enabling real-time control loops below 10 us.
The dsPIC33F family combines a modified Harvard architecture MCU core with single-cycle MAC and barrel shifter DSP extensions. This hybrid design enables C-compiler-friendly control code alongside deterministic signal processing, eliminating the need for a separate DSP chip in motor drives, power factor correction, and switching power supply applications. The 40 MIPS throughput supports field-oriented control (FOC) of three-phase motors within the required PWM switching cycle.
Typical applications include brushless DC motor control, three-phase induction motor drives, switched reluctance motor controllers, digital switching power supplies, uninterruptible power systems, and power factor correction stages. Its automotive-grade siblings (MC710A series) extend reach into under-the-hood motor control.
When designing with this device, route each VDD/VSS pair with its own decoupling capacitor and follow Microchip's EMCD layout guidelines for the 100-pin TQFP. Use the ICD 3 or MPLAB REAL ICE programmer with PGECx/PGEDx pairs to debug. Plan for code expansion by reserving a bootloader partition if field firmware updates are required.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33F MC710 family, and practical design notes not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33FJ128MC710-I/PT — 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： DSPIC33FJ128MC710-I/PT （相同外形與佔位） — 差異在於 Operating Temperature, Package, Core Architecture, Maximum CPU Speed, ADC.
DSPIC33FJ128MC710A-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ128MC710AT-I/PT
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ128MC710T-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ128MC710-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ128MC710-I/PF
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ128MC710-I/PT 最大額定值與電氣特性
| Core Architecture | dsPIC33F (16-bit DSC, modified Harvard) |
| Maximum CPU Speed | 40 MIPS (MIPS per second) |
| Program Memory (Flash) | 128 KB (128K x 8) |
| RAM | 16 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| 工作溫度 | -40C to +85C (Industrial, "I") |
| DMA Channels | 8 |
| Timers | 9 x 16-bit |
| Serial I/O Ports | 4 (UART/SPI/I2C configurable) |
| Motor Control PWM | 8 outputs, up to 16-bit resolution |
| ADC | 12-bit, up to 32 channels, 1 Msps |
| Quadrature Encoder Interface | Yes |
| 封裝 | 100-pin TQFP (PT) 12x12 mm, 0.5 mm pitch |
| 安裝類型 | Surface Mount |
| MSL 等級 | 3 |
| RoHS 狀態 | Compliant |
DSPIC33FJ128MC710-I/PT 100-pin tqfp (pt) 12x12 mm, 0.5 mm pitch 腳位配置指南
DSPIC33FJ128MC710-I/PT（100-pin tqfp (pt) 12x12 mm, 0.5 mm pitch 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： DSPIC33FJ128MC710-I/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33FJ128MC710-I/PT 適用於 6 應用s: Brushless DC Motor Control, Three-Phase Induction Motor Drive, Digital Switch-Mode Power Supply (SMPS), Uninterruptible Power Supply (UPS) Control, Solar Micro-Inverter / Power Optimizer, Automotive Body and HVAC Motor Controllers.
Brushless DC Motor Control
The DSPIC33FJ128MC710-I/PT's 8-channel motor-control PWM with 16-bit resolution and programmable dead-time directly controls a three-phase inverter driving brushless DC (BLDC) motors. Its 40 MIPS throughput executes field-oriented control (FOC) within 10 us PWM cycles, while the integrated quadrature encoder interface closes the velocity/torque loop. The 12-bit ADC with 1 Msps throughput samples phase currents synchronously to the PWM, and 128 KB Flash accommodates sensorless and sensored FOC state machines plus user-interface code for appliance and small-industrial drives.
推薦
Three-Phase Induction Motor Drive
For three-phase AC induction motors, the DSPIC33FJ128MC710-I/PT pairs its 40 MIPS core with the integrated DSP engine to run indirect FOC and space-vector PWM at switching frequencies up to 20 kHz. The 128 KB Flash stores both the speed-control loop and the slip-frequency estimator, while 16 KB RAM buffers ADC samples and Clarke/Park transforms per PWM period. The DSC's single-cycle MAC instruction accelerates the inverse Park transform to under 1 us, leaving CPU headroom for CAN, RS-485, or Ethernet supervisory communications.
推薦
Digital Switch-Mode Power Supply (SMPS)
In digital-switching power supplies and PFC stages, the DSPIC33FJ128MC710-I/PT serves as the primary control DSP running current-mode control and PFC algorithms. Its high-speed 12-bit ADC samples inductor current and input voltage each PWM cycle, and the 8-channel PWM drives a synchronous-rectification MOSFET bridge. The 128 KB Flash holds multiple control profiles, while the 16 KB RAM accommodates look-up tables for DPITH dynamics and adaptive dead-time compensation across varying load conditions.
推薦
Uninterruptible Power Supply (UPS) Control
The DSPIC33FJ128MC710-I/PT is well-suited to on-line UPS inverter control, where it executes dual-loop voltage/current regulation on a sine-PWM inverter with the integrated DSP engine. The 8-channel PWM drives an H-bridge IGBT stage, while the 32-channel ADC reads DC-bus voltage, battery current, and AC output for closed-loop regulation. With 128 KB Flash, full DSP resources can be dedicated to waveform synthesis (THD < 3%) and grid-synchronization PLL algorithms, eliminating the need for a separate DSP.
推薦
Solar Micro-Inverter / Power Optimizer
In photovoltaic micro-inverters, the DSPIC33FJ128MC710-I/PT performs MPPT (perturb-and-observe or incremental-conductance) on the PV input side while driving a high-frequency isolated DC/AC inverter. The integrated 12-bit ADC reads panel voltage/current at >10 kHz, and the 40 MIPS DSP throughput enables real-time P&O with adaptive step-size. The same MCU can drive grid-side synchronization and anti-islanding protection loops, reducing BOM by combining DSP, control, and comms into one chip.
推薦
Automotive Body and HVAC Motor Controllers
Although this 'I' industrial-grade part is rated -40C to +85C, its dsPIC33FJ128MC710 family architecture underpins automotive HVAC blower, water-pump, and e-compressor drives. The motor-control PWM and quadrature encoder interface drive BLDC actuators with closed-loop torque control, while the 128 KB Flash supports CAN-based diagnostics. For under-hood deployments where AEC-Q100 is required, designers migrate to the AEC-Q100-qualified dsPIC33FJ128MC710A 'I/PT' or 'E/PT' siblings on the same PCB footprint.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33FJ128MC710-I/PT — 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 | DSPIC33FJ128MC710A-I/PT | DSPIC33FJ128MC710AT-I/PT | DSPIC33FJ128MC710T-I/PT | DSPIC33FJ128MC710-E/PT | DSPIC33FJ128MC710-I/PF |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PF) 14x14 mm - same pinout, larger body |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +85C |
| 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 | 3.0 V to 3.6 V |
| Motor Control PWM | 8 channels, 16-bit | 8 channels, 16-bit (enhanced) | 8 channels, 16-bit | 8 channels, 16-bit | 8 channels, 16-bit | 8 channels, 16-bit |
| ADC | 12-bit, up to 32 ch, 1 Msps | 12-bit, up to 32 ch, 1 Msps | 12-bit, up to 32 ch, 1 Msps | 12-bit, up to 32 ch, 1 Msps | 12-bit, up to 32 ch, 1 Msps | 12-bit, up to 32 ch, 1 Msps |
| RoHS / Lead-Free | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
主要差異化特點
- 128 KB Flash vs 64 KB Flash on lower-tier MC706 sibling (對比DSPIC33FJ128MC706-I/PT)
- 'A' silicon revision with improved motor-control peripherals (對比DSPIC33FJ128MC710-I/PT vs DSPIC33FJ128MC710A-I/PT)
- Industrial -40C to +85C vs Extended -40C to +125C option (對比DSPIC33FJ128MC710-E/PT)
- Integrated DSP engine eliminates external DSP chip (對比DSPIC33FJ128GP804-I/PT (general-purpose))
設計說明
Estimated: route every VDD/VSS pair on the 100-pin TQFP with its own 100 nF + 10 uF decoupling capacitor placed within 3 mm of the pin. The DSPIC33FJ128MC710-I/PT has multiple VDD/VSS pairs to support internal logic and ADC - missing one creates brownouts and ADC noise. A bulk 47 uF tantalum and a ferrite bead on the 3.3 V rail upstream further reduce PWM-switching noise coupling into the analog supply.
Follow Microchip's EMCD layout guideline: place the crystal within 8 mm of OSC1/OSC2, guard the analog ground (AGND) island under the ADC pins, and stitch the ground pour with vias on a 5 mm grid. The 100-pin TQFP (12x12 mm) is small for the device's pin count; use 0.2 mm traces/0.4 mm spaces minimum (4/8 mil) on outer layers and 0.15 mm/0.20 mm on inner layers for fan-out.
Estimated: the 8-channel motor-control PWM can switch at 20 kHz with 16-bit resolution and 50 ns dead-time; route PWM outputs away from analog traces (ADC inputs, op-amp references) and use a single solid ground pour under the MCU, partitioned analog/digital only beneath the ADC section. Add RC snubbers (10 ohm + 1 nF) on each MOSFET gate to limit dV/dt noise into the PWM traces.
Do not leave the MCLR pin floating - pull up to VDD via a 10 kohm resistor and provide the ICD-capable debug header footprint even on production boards for field recovery. Configure unused I/O as outputs (not inputs) to avoid shoot-through in noisy environments. Reserve a Flash bootloader region if firmware updates are planned - the MC710's 128 KB is sufficient but the linker script must carve out the partition before code development begins.
合規資訊
RoHS and lead-free per Microchip product page. The DSPIC33FJ128MC710A 'I' family adds AEC-Q100 qualification - the -I/PT base part is industrial (-40C to +85C) and not AEC-Q100 qualified. Halogen-free -
