DSPIC33EP64MC506-I/P - 70 MIPS 16-bit DSC | Microchip
MPN： DSPIC33EP64MC506-I/P ✓ 啟用中DSPIC33EP64MC506-I/P 概覽
A digital signal controller combines the compute architecture of a microcontroller with the multiply-accumulate (MAC) DSP capability of a digital signal processor. In the power-management hierarchy, the dsPIC33E family sits within Microchip's 16-bit MCU/DSC portfolio, replacing separate MCU-plus-DSP two-chip solutions in embedded control systems such as motor drives, digital power supplies, and sensor fusion nodes.
Key features include a 70 MIPS dsPIC DSC core with a single-cycle MAC and hardware divide, 16-bit fixed-point DSP instruction support, high-speed motor-control PWM outputs with complementary and center-aligned modes, quadrature encoder interface for servo feedback, multiple 16-bit timers, serial connectivity (UART, SPI, I2C), and a 3.0 V to 3.6 V single-supply operating range with 5 V-tolerant digital I/O.
Architecturally, the core executes most instructions in a single cycle at up to 70 MIPS, with zero-overhead loops and hardware DO/REPEAT constructs that make control-loop code such as field-oriented control (FOC) deterministic. The on-chip DSP engine performs dual fetches and single-cycle MAC operations, critical for filter and transform computations in digitally controlled power conversion.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, solar inverters and digital power supplies, and industrial automation nodes. The MCPWM peripheral and QEI make this part a natural single-chip replacement for MCU-plus-encoder-counter designs in servo systems.
Design consideration: the 3.0 V to 3.6 V supply requires a regulated 3.3 V rail; ensure adequate decoupling on all VDD/VSS pin pairs and follow Microchip's FOC reference designs for PWM dead-time settings.
This page synthesizes verified distributor pricing, family drop-in variants, and design notes not found in a single manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64MC506-I/P — 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： DSPIC33EP64MC506-I/P （相同外形與佔位） — 差異在於 Core, Operating Temperature, Package.
DSPIC33EP128MC506-I/P
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP256MC506-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP32MC506-I/P
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC506-E/P
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC506-I/P 最大額定值與電氣特性
| Core | dsPIC33E 16-bit DSC core with DSP engine |
| Maximum CPU Speed | 70 MIPS (60 MHz external clock per Mouser listing) |
| Program Memory (Flash) | 64 KB |
| SRAM | 8 KB |
| 供應電壓 | 3.0 V to 3.6 V |
| 工作溫度 | -40C to +85C (I grade) |
| 封裝 | 64-pin TQFP (10x10 mm), suffix /P |
| I/O Ports | 51 I/O |
| Motor-Control PWM | High-speed MCPWM with QEI support |
| General Purpose Timers | Up to nine 16-bit timers (family datasheet) |
| Serial Interfaces | UART, SPI, I2C |
| 安裝類型 | Surface Mount |
| Lifecycle Stage | ACTIVE |
| RoHS 狀態 | Compliant |
DSPIC33EP64MC506-I/P 64-pin tqfp (10x10 mm), suffix /p 腳位配置指南
DSPIC33EP64MC506-I/P（64-pin tqfp (10x10 mm), suffix /p 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： DSPIC33EP64MC506-I/P.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC506-I/P 適用於 6 應用s: BLDC / PMSM Motor Drives, Digital Power Supplies and Solar Inverters, Industrial Automation and Robotics, Audio Signal Processing, IoT Sensor Nodes and Data Loggers, Automotive-Adjacent Industrial Control.
BLDC / PMSM Motor Drives
The DSPIC33EP64MC506-I/P fits brushless DC and permanent-magnet synchronous motor control because its high-speed MCPWM peripheral generates complementary, center-aligned PWM with programmable dead-time, while the quadrature encoder interface (QEI) reads position feedback from servo encoders. The 70 MIPS core with a single-cycle MAC executes field-oriented control (FOC) loops deterministically at 10-20 kHz PWM frequencies with control-loop headroom to spare. With 51 I/O pins, gate-driver control, current-sense ADC sequencing, and fault shutdown all route on-chip. Unlike a generic MCU, the DSP engine handles Park/Clarke transforms and PI/PID filtering in hardware MAC cycles, reducing loop jitter - a quantified benefit for torque ripple and audible-noise performance in servo and traction applications.
推薦
Digital Power Supplies and Solar Inverters
In digitally controlled power conversion (LLC, PFC, solar micro-inverters), the DSPIC33EP64MC506-I/P replaces analog control loops with firmware: its high-resolution MCPWM produces phase-shifted and complementary drive signals, while the 70 MIPS DSP core runs compensator math (3p3z, resonant controllers) that analog error amplifiers cannot adapt dynamically. The 3.0-3.6 V supply rail and -40C to +85C industrial rating suit outdoor inverter environments. Because loop parameters are firmware-defined, a single 64 KB flash part covers multiple power ratings, cutting BOM variants. The trade-off vs analog control is firmware validation effort, mitigated by Microchip's digital-power reference designs and software libraries written for the dsPIC33E MC family.
推薦
Industrial Automation and Robotics
The DSPIC33EP64MC506-I/P serves as a compact automation controller combining servo axis control, sensor acquisition, and fieldbus communication on one chip. Its UART, SPI, and I2C peripherals connect to CAN transceivers, industrial sensors, and HMI subsystems, while the QEI decodes incremental encoder feedback for closed-loop axis positioning. The 51 GPIO provide sufficient margin for limit switches, relays, and safety interlocks in a 64-TQFP footprint small enough for distributed drive nodes. With nine 16-bit timers available, multi-axis coordination tasks such as electronic gearing are feasible. The deterministic single-cycle execution of most instructions makes cycle times predictable - essential for synchronizing motion profiles across multiple axes in robotic assemblies.
推薦
Audio Signal Processing
The DSP engine of the DSPIC33EP64MC506-I/P makes it viable for embedded audio processing: single-cycle MAC operations accelerate FIR/IIR filters, active crossover networks, and echo cancellation at sample rates up to 48 kHz with substantial per-sample headroom at 70 MIPS. UART or SPI links stream I2S data to external audio codecs, and 64 KB flash holds filter coefficient tables plus control firmware. While it lacks a dedicated I2S peripheral, bit-banged and SPI-based codec interfaces are well documented in Microchip application notes. For cost-sensitive speaker management, karaoke effects, or industrial sound annunciation where a full DSP is overkill, this DSC delivers DSP-class math at microcontroller pricing and power consumption.
推薦
IoT Sensor Nodes and Data Loggers
With 8 KB SRAM, 64 KB flash, and multiple serial ports, the DSPIC33EP64MC506-I/P aggregates sensor data and performs local DSP pre-processing (averaging, FFT-based spectral analysis, threshold detection) before transmission. The DSP engine offloads numerically intensive filtering from the control code, extending effective throughput at modest power draw. Its 51 I/O interface analog front-ends, SPI/I2C sensors, and a radio module over UART simultaneously. The industrial -40C to +85C rating supports outdoor and unconditioned deployments where consumer MCUs fall short. Deep-sleep and idle modes cut standby current between sampling events - a quantified advantage for battery-powered nodes where every microamp of average current extends field service life.
推薦
Automotive-Adjacent Industrial Control
For pumps, fans, compressors, and electric-vehicle auxiliary systems in the industrial supply chain, the DSPIC33EP64MC506-I/P provides motor and power control with the robustness demanded by harsh environments: -40C to +85C operation, 3.0-3.6 V noise-margin-aware I/O, and on-chip fault handling for PWM shutdown on overcurrent events. The 70 MIPS core runs sensorless observer algorithms (back-EMF, sliding-mode) that remove position sensors from sealed pump motors - a direct reliability and cost benefit. Note this industrial-grade part is not AEC-Q100 qualified; for in-cabin automotive designs select the E-temperature family members or Microchip's automotive-qualified dsPIC33 variants after verifying qualification status in the official documentation.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC506-I/P — 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 | DSPIC33EP128MC506-I/P | DSPIC33EP256MC506-I/P | DSPIC33EP32MC506-I/P |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm), /P tray | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 128 KB | 256 KB | 32 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| 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 |
| Motor-Control PWM / QEI | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
主要差異化特點
- Dedicated motor-control peripherals on-chip (對比Generic 16-bit MCUs (e.g., PIC24F family))
- Headroom upgrade path without PCB change (對比DSPIC33EP32MC506-I/P)
- Deterministic DSP execution (對比Cortex-M0-class competitors)
設計說明
The DSPIC33EP64MC506-I/P requires a regulated 3.0 V to 3.6 V supply. Use a low-noise LDO or buck converter with 0.1 uF ceramic decoupling on every VDD/VSS pin pair, placed within 5 mm of each pin, plus 4.7-10 uF bulk capacitance near the entry point. At 70 MIPS, core current is dynamic - sized the regulator for peak, not average, current. Estimated: budget 150-250 mA peak at full-speed operation plus I/O sink/source current on all 51 GPIO.
The 64-TQFP (0.8 mm pitch, 10x10 mm) supports both hand soldering and standard reflow. Fan out VDD/VSS pairs on inner layers with via stitching to ground planes to reduce loop inductance. Route MCPWM outputs to gate drivers on short, matched traces; keep current-sense analog traces away from PWM switching nodes to preserve ADC accuracy. Leave ICSP programming header pads (MCLR, PGD, PGC) accessible for in-circuit debug with PICkit or REAL ICE tools.
Do not exceed the 3.6 V absolute supply maximum - a common failure when 5 V rails accidentally back-power the part. Configure unused I/O as outputs driving low or inputs with pull-downs to avoid floating-pin leakage and EMI. Verify code size against 64 KB flash early in the project; FOC firmware with fieldbus stacks can approach the limit, in which case the pin-compatible DSPIC33EP128MC506-I/P doubles headroom with zero PCB changes. Check the family errata sheet before locking PWM dead-time settings.
合規資訊
RoHS compliance inferred from active-production Microchip industrial-grade parts; lifecycle stage ACTIVE per verified datasheet data. Not an automotive AEC-Q100 part. Request official REACH/halogen-free/conflict-minerals declarations from Microchip compliance portal.
