DSPIC33EP64MC504-I/ML - 16-bit 70 MIPS DSC 64KB QFN-44 | Microchip
MPN： DSPIC33EP64MC504-I/ML ✓ 啟用中DSPIC33EP64MC504-I/ML 概覽
A digital signal controller combines the computational throughput of a microcontroller with DSP-oriented math features such as single-cycle MAC and DSP instructions, division support, and high-speed PWM generation. Within the power-management hierarchy, the DSC sits above a conventional MCU: it executes general-purpose control code while simultaneously running control loops for motor commutation, power conversion, and digital filtering. The dsPIC33EP family targets precision motor control, digital power, and sensing applications.
Key features of this part include the 70 MIPS (60 MHz instruction clock) core, dedicated Motor Control PWM (MCPWM) with complementary outputs and dead-time control, Quadrature Encoder Interface (QEI) inputs, multiple general-purpose timers (up to 27 across the family per source data), and advanced analog peripherals. The -I suffix denotes the industrial temperature range of -40C to +85C, and the /ML suffix identifies the 44-QFN 8x8 mm package with exposed thermal pad.
Architecturally, the dsPIC33E core is a modified Harvard 16-bit RISC engine with an optimized C compiler toolchain (MPLAB XC16), in-circuit serial programming (ICSP) via any paired PGECx/PGEDx pins, and hardware DSP multiply-accumulate. These features allow field-oriented control (FOC) algorithms to execute deterministically at tens of kHz loop rates.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, digital power supplies and PFC stages, automotive auxiliary motor control (AEC-Q100 qualified), and industrial sensing and instrumentation nodes.
Design consideration: ICSP debugging requires pairing a PGECx pin with its matching PGEDx pin (for example PGEC2 with PGED2), and all VDD/VSS pairs must be connected per the datasheet. Budget program memory carefully: 64 KB (22K x 24 instructions) is ample for most FOC stacks but leaves limited headroom for protocol stacks.
This page synthesizes distributor data, drop-in same-package alternatives, and practical design notes beyond the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64MC504-I/ML — 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： DSPIC33EP64MC504-I/ML （相同外形與佔位） — 差異在於 Package, Operating Temperature, RAM, Core Architecture, Timers.
DSPIC33EP64MC504-E/MV
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP32MC504-I/ML
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP128MC504-I/ML
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64GP504-I/ML
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC504-I/ML 最大額定值與電氣特性
| Core | dsPIC33E 16-bit DSC core |
| Max MIPS | 70 MIPS |
| Instruction Clock Frequency | 60 MHz |
| Program Memory (Flash) | 64 KB (22K x 24) |
| RAM | 8 KB |
| 供應電壓 | 3 V to 3.6 V |
| 封裝 | 44-QFN (8x8 mm), exposed pad |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +85C (industrial, -I suffix) |
| Qualification | AEC-Q100 qualified |
| Motor Control PWM (MCPWM) | Yes, high-speed MCPWM with QEI |
| Quadrature Encoder Interface (QEI) | Yes |
| Programming Interface | ICSP via paired PGECx/PGEDx pins |
| RoHS 狀態 | Compliant |
| Lifecycle Stage | Active |
DSPIC33EP64MC504-I/ML 44-qfn (8x8 mm), exposed pad 腳位配置指南
DSPIC33EP64MC504-I/ML（44-qfn (8x8 mm), exposed pad 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： DSPIC33EP64MC504-I/ML.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC504-I/ML 適用於 6 應用s: BLDC / PMSM Motor Control, Digital Power Supplies and PFC, Automotive Auxiliary Motor and Actuator Control, Industrial Drives and Factory Automation, Sensing and Instrumentation Nodes, IoT Edge Control Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP64MC504-I/ML is purpose-built for precision brushless DC and permanent-magnet synchronous motor drives. Its dedicated high-speed Motor Control PWM (MCPWM) generates complementary outputs with hardware dead-time insertion, while the Quadrature Encoder Interface (QEI) decodes position feedback without CPU overhead. The 70 MIPS dsPIC33E core executes field-oriented control (FOC) loops deterministically at 10-20 kHz using single-cycle MAC instructions, leaving headroom for communication and housekeeping tasks. Typical deployment places the DSC between a gate-driver stage (with 3.3 V PWM inputs) and current-sense amplifiers feeding its ADC. Compared with a generic MCU, the integrated motor-control peripherals eliminate external PWM logic and reduce software latency, and the AEC-Q100 qualification permits use in automotive actuator and pump drives.
推薦
Digital Power Supplies and PFC
In switched-mode power supplies, power-factor-correction stages, and LLC converters, the DSPIC33EP64MC504-I/ML replaces analog control ICs with firmware-defined control laws. The high-speed MCPWM supports complementary switching with programmable dead time, and the 70 MIPS DSP core runs proportional-integral and predictive control loops with single-cycle MAC arithmetic at switching frequencies well into the hundreds of kHz for outer loops. The 3 V to 3.6 V supply and industrial -40C to +85C range fit telecom and server power environments. Digital control enables adaptive compensation, soft-start sequencing, and fault logging that analog controllers cannot provide. The AEC-Q100 qualification further extends its use into on-board charger (OBC) and DC-DC converter submodules in electric vehicles.
推薦
Automotive Auxiliary Motor and Actuator Control
Because the DSPIC33EP64MC504-I/ML is AEC-Q100 qualified per distributor specification data, it is appropriate for automotive auxiliary drives: HVAC blowers, water pumps, throttle and flap actuators, and cooling-fan modules. The -I industrial temperature grade covers -40C to +85C; for under-hood positions, pair or substitute the extended-temperature DSPIC33EP64MC504-E/MV, which shares the identical 44-QFN footprint so one PCB serves both grades. The QEI input supports resolver-like position feedback from encoders in position-control actuators, while the MCPWM dead-time control protects the inverter bridge. Firmware-based control also allows OEM-specific diagnostics and functional-safety hooks to be layered onto the same silicon across vehicle platforms.
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Industrial Drives and Factory Automation
Conveyor drives, robotics joints, spindle control, and CNC axes all benefit from the deterministic control capability of the DSPIC33EP64MC504-I/ML. The QEI interface reads incremental encoder feedback at full machine speeds, the MCPWM drives IGBT or MOSFET inverter stages through gate drivers, and the 70 MIPS core closes current, speed, and position cascades in firmware. The 64 KB (22K x 24) Flash accommodates a complete FOC stack plus communication protocols (UART/SPI/I2C per family peripherals), and ICSP programming through any paired PGECx/PGEDx pins allows field firmware updates via a simple header. Microchip's dsPICDEM MCLV/MCHV/MCSM board ecosystem provides reference designs that shorten time-to-prototype for these industrial drive topologies.
推薦
Sensing and Instrumentation Nodes
Beyond motor control, the DSPIC33EP64MC504-I/ML serves as the processing heart of industrial sensing nodes, weighing scales, and portable instrumentation. The DSP multiply-accumulate engine accelerates digital filtering (FIR/IIR) of noisy sensor channels, and the 16-bit core with 64 KB Flash runs calibration, linearization, and compensation firmware alongside the acquisition routines. The 3 V to 3.6 V single-supply operation simplifies battery-backed and 3.3 V rail designs, while the 44-QFN 8x8 mm exposed-pad package provides low thermal impedance for sealed enclosures. Where memory headroom is tight for protocol-heavy nodes, the pin-compatible DSPIC33EP128MC504-I/ML doubles Flash without a PCB respin, protecting the mechanical and layout investment.
推薦
IoT Edge Control Nodes
Smart actuators, connected pumps, and condition-monitoring endpoints increasingly need local closed-loop control plus a communication uplink. The DSPIC33EP64MC504-I/ML covers the local control half with its 70 MIPS core, MCPWM, and QEI, while family UART/SPI/I2C peripherals connect to external Wi-Fi, BLE, or CAN transceivers for cloud or vehicle-network telemetry. The AEC-Q100 qualification supports smart-home and building-automation products with automotive-grade reliability margins, and the industrial temperature range suits unconditioned outdoor enclosures. Development is supported by standard Microchip ICSP tools (ICD/PICkit/Real ICE) and the XC16 compiler, so teams can reuse motor-control middleware libraries and field-update firmware over the air after initial production programming.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC504-I/ML — 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 | DSPIC33EP64MC504-E/MV | DSPIC33EP32MC504-I/ML | DSPIC33EP128MC504-I/ML | DSPIC33EP64GP504-I/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm), exposed pad | 44-QFN (8x8 mm) - same footprint | 44-QFN (8x8 mm) - same footprint | 44-QFN (8x8 mm) - same footprint | 44-QFN (8x8 mm) - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64 KB (22K x 24) | 64 KB | 32 KB (-50%) | 128 KB (+100%) | 64 KB |
| Temperature Range | -40C to +85C (-I industrial) | Extended (-E grade) | -40C to +85C | -40C to +85C | -40C to +85C |
| Motor Control PWM / QEI | Yes (MC variant) | Yes | Yes (MC variant) | Yes (MC variant) | No (GP peripheral mix) |
主要差異化特點
- Extended-temperature drop-in available (對比DSPIC33EP64MC504-E/MV)
- Dedicated Motor Control PWM and QEI hardware (對比DSPIC33EP64GP504-I/ML)
- Scalable Flash within one footprint (對比DSPIC33EP128MC504-I/ML)
設計說明
Connect ALL VDD and VSS pin pairs; the dsPIC33EP family documentation is explicit that every power pin pair must be tied, and the exposed pad under the 44-QFN should be soldered to a ground array for thermal and signal-integrity performance. Decouple each VDD pin with a 100 nF X7R ceramic placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the supply entry. The exposed pad also anchors the ground return for PWM output switching currents.
ICSP programming uses paired pins: PGECx carries ICSPCLK and the matching PGEDx carries ICSPDAT - you may choose any pair (PGEC1/PGED1, PGEC2/PGED2, etc.) but they must be used as a pair per Microchip programming documentation. Route a 5-7 pin header exposing all PGEC/PGED pairs, MCLR, VDD, and VSS. Do not load PGEC/PGED pins with heavy capacitive filters during development or programming will fail. MCLR needs a 10k pull-up to VDD for reliable ICSP entry.
The device operates from 3 V to 3.6 V (nominal 3.3 V). Never drive GPIOs or peripherals above VDD + 0.3 V; when interfacing to 5 V sensors or encoders, use level translation or series resistors per Microchip 5V-tolerance guidance in the datasheet I/O chapter. Estimated: a 70 MHz core running typical motor-control code draws on the order of tens of mA - size the 3.3 V regulator for the MCU plus gate-driver logic margins, and budget the exposed-pad thermal path for the QFN power dissipation.
Check the family silicon errata (Microchip document 80533A for dsPIC33EP64GP50X/MC20X/50X) before finalizing firmware - it lists documented anomalies and data-sheet clarifications for this exact device family. Also note that not all family pins are available on all package variants: always cross-check the QFN-44 pin rows in the Pin Diagrams section of DS70657E when porting designs from TQFP-44 (/PT) or 64-pin packages to this 44-QFN footprint.
合規資訊
AEC-Q100 qualification confirmed via datasheets.com distributor data ('mcu 16-bit dspic risc 64kb flash 3.3v automotive aec-q100 44-pin qfn ep'). RoHS/lead-free status per standard Microchip /I-suffix industrial-grade part marking; REACH and halogen-free status not stated in provided data.