DSPIC33EP64MC204T-I/MV - 16-bit 70 MIPS DSC 64KB Flash | Microchip
MPN： DSPIC33EP64MC204T-I/MV ✓ 啟用中DSPIC33EP64MC204T-I/MV 概覽
A digital signal controller combines the computational capability of a digital signal processor (DSP) with the integrated peripherals and control architecture of a microcontroller. Within the power management hierarchy, DSCs such as the dsPIC33EP family sit at the intersection of general-purpose MCUs and dedicated DSPs, making them a common choice for closed-loop control systems where fast math and rich peripherals must coexist on a single chip.
Key features of the DSPIC33EP64MC204T-I/MV include a 16-bit dsPIC33E core, motor control PWM (MCPWM) modules, and Quadrature Encoder Interface (QEI) inputs - the defining peripherals of the MC (Motor Control) variant. The device operates from a 3V to 3.6V supply across an industrial temperature range of -40C to +85C, and integrates multiple DMA channels and timer resources for efficient data movement and event sequencing without CPU overhead.
Architecturally, the dsPIC33E core pairs the 16-bit MCU instruction set with DSP engine features such as multiply-accumulate operations, enabling real-time control algorithms like field-oriented control (FOC) for motors. The enhanced Flash program memory is organized in 24-bit instruction words, and the exposed-pad UQFN-48 package provides short die-to-PPCB thermal and electrical paths for high-frequency switching applications.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, digital power supplies (AC/DC and DC/DC converters with digital loop compensation), power inverters, and industrial automation nodes requiring precise PWM generation and encoder feedback.
A key design consideration: supply voltage must remain within the 3.0V to 3.6V window; decouple the VDD pins with low-ESR ceramics close to the package, and use the exposed thermal pad as a low-inductance ground connection. Clock configuration via PLL should be validated against the 70 MIPS ceiling in the datasheet.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-09-25.
直接替換替代品，適用於 DSPIC33EP64MC204T-I/MV — 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： DSPIC33EP64MC204T-I/MV （相同外形與佔位） — 差異在於 Package, Flash Program Memory, RAM, Operating Temperature, Core.
DSPIC33EP64MC204T-E/MV
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP64MC204T-H/MV
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP64MC204T-E/TL
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP64MC203T-I/TL
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP64MC204T-I/MV 最大額定值與電氣特性
| Core | dsPIC33E (16-bit DSC) |
| Core Size | 16-bit |
| Performance (MIPS) | 70 MIPS |
| 最大時脈頻率 | 60 MHz |
| Program Memory (Flash) | 64KB (22K x 24) |
| Data RAM Size | 8KB |
| 工作電源電壓 | 3 V to 3.6 V |
| 工作溫度範圍 | -40C to +85C |
| 安裝方式 | SMD/SMT |
| 封裝 | 48-UQFN (6x6 mm) Exposed Pad |
| Number of Cores | 1 Core |
| PWM Module | MCPWM (Motor Control PWM) |
| Encoder Interface | QEI (Quadrature Encoder Interface) |
| Series | dsPIC33EP64MC204 |
| Product Type | Digital Signal Processors & Controllers - DSP, DSC |
| Tape & Reel | Yes (T suffix) |
DSPIC33EP64MC204T-I/MV 48-uqfn (6x6 mm) exposed pad 腳位配置指南
DSPIC33EP64MC204T-I/MV（48-uqfn (6x6 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： DSPIC33EP64MC204T-I/MV.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC204T-I/MV 適用於 6 應用s: BLDC / PMSM Motor Control, Digital Power Supplies, Industrial Automation Nodes, Robotics and Servo Drives, Power Inverters (Solar / UPS), Embedded Control with Digital Signal Processing.
BLDC / PMSM Motor Control
The DSPIC33EP64MC204T-I/MV is purpose-built for brushless DC and permanent magnet synchronous motor drives. Its MCPWM module generates complementary or independent PWM channels with dead-time insertion, while the QEI reads quadrature encoder feedback for closed-loop speed and position control. The 70 MIPS core executes field-oriented control (FOC) current loops at PWM-switching frequency, using DSP multiply-accumulate instructions for Park/Clarke transforms. In a typical design the DSC gates a three-phase inverter through MOSFET drivers on a 3.3V logic domain; the exposed-pad UQFN-48 provides a low-inductance ground reference that reduces switching-noise coupling into ADC sensing lines.
推薦
Digital Power Supplies
In digitally controlled AC/DC and DC/DC converters, this DSC closes voltage and current loops in firmware. The 70 MIPS core and DSP engine compute PID or 3P3Z compensators within each PWM period, while the MCPWM module drives the power stage with programmable dead time. The 3.0V to 3.6V supply keeps logic compatible with standard 3.3V analog front ends, and DMA channels stream ADC conversion results without CPU intervention, minimizing control-loop latency. Compared with an analog controller, firmware-based compensation allows adaptive gain scheduling and in-circuit tuning; the trade-off is that software loop time must be budgeted against the 60 MHz maximum clock when selecting switching frequency.
推薦
Industrial Automation Nodes
Factory automation nodes use the DSPIC33EP64MC204T-I/MV where motor sequencing, encoder tracking, and serial communication converge. The QEI handles encoder inputs from conveyor axes, MCPWM drives actuators, and the dsPIC33E serial peripherals interface PLCs and sensors. The industrial -40C to +85C rating covers unconditioned cabinet environments, and 64KB Flash accommodates protocol stacks plus motion firmware with headroom for OTA field updates. DMA offloads repetitive I/O transfers so the core can service higher-level scheduling. Estimated: at 70 MIPS typical application headroom remains for combining motion control and communications in a single 10 kHz supervisory loop without external co-processors.
推薦
Robotics and Servo Drives
Robot joint and servo drive boards benefit from the combination of MCPWM outputs, QEI encoder ports, and DSP math on one 48-pin chip. FOC or trapezoidal commutation firmware runs at 70 MIPS while quadrature feedback is decoded in hardware, eliminating software polling jitter. The 6x6 mm UQFN footprint fits compact joint PCBs where every square millimeter counts, and the exposed pad sinks switching-loss heat from the drive stage. The -40C to +85C industrial rating suits workshop and field robots; for joints mounted near motors where ambient exceeds 85C, select the DSPIC33EP64MC204T-E/MV extended-grade drop-in instead.
推薦
Power Inverters (Solar / UPS)
Grid-tied microinverter and UPS boards use this DSC to generate synchronized PWM waveforms with the MCPWM module while the 70 MIPS core executes phase-locked-loop grid tracking and protection routines. Multiple DMA channels move ADC current/voltage samples into RAM buffers for harmonic analysis, and the DSP multiply-accumulate unit accelerates RMS and THD computations. Firmware flexibility supports reactive-power control and anti-islanding logic without hardware changes. Design consideration: inverter control boards place the DSC near switching stages, so careful ground partitioning and 100 nF decoupling at each VDD pin are essential to keep ADC readings free of switching transients.
推薦
Embedded Control with Digital Signal Processing
General embedded systems that mix control I/O with signal processing - such as audio-processing appliances, sensor fusion units, and test-instrument front ends - use the dsPIC33E DSP engine for FIR/IIR filtering while retaining MCU-style peripherals for system tasks. The 16-bit core with 24-bit instruction words and hardware multiply-accumulate provides deterministic execution for real-time filtering at the 60 MHz maximum clock. With 8KB RAM, moderate filter states and buffers fit on-chip, avoiding external memory. The 48-UQFN package suits compact 3.3V single-supply boards, and in-circuit serial programming (ICSP) simplifies production programming without socketed parts.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC204T-I/MV — 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 | DSPIC33EP64MC204T-E/MV | DSPIC33EP64MC204T-H/MV | DSPIC33EP64MC204T-E/TL | DSPIC33EP64MC203T-I/TL |
|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) Exposed Pad | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN 6x6 (TL) - same footprint family | 48-UQFN 6x6 (TL) - same footprint family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS / 60 MHz max | 70 MIPS / 60 MHz max | 70 MIPS / 60 MHz max | 70 MIPS / 60 MHz max | 70 MIPS / 60 MHz max |
| Program Flash | 64KB (22K x 24) | 64KB (22K x 24) | 64KB (22K x 24) | 64KB (22K x 24) | 32KB (-50%) |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | H grade (per Microchip USA listing) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Motor Control Peripherals | MCPWM + QEI | MCPWM + QEI | MCPWM + QEI | MCPWM + QEI | MCPWM + QEI |
主要差異化特點
- Extended-temperature drop-in available in the identical package (對比DSPIC33EP64MC204T-I/MV vs DSPIC33EP64MC204T-E/MV)
- Double the program Flash of the cost-down sibling (對比DSPIC33EP64MC203T-I/TL)
- Dedicated motor-control silicon, not a generic MCU adaptation (對比DSPIC33EP64GP504T-E/TL)
設計說明
The DSPIC33EP64MC204T-I/MV requires a regulated 3.0V to 3.6V supply. Place a 100 nF ceramic capacitor within 2-3 mm of every VDD pin pair, plus one bulk 4.7-10 uF capacitor per board section. Because motor-control applications share a ground with switching power stages, use a star or partitioned ground plane and connect the UQFN exposed pad directly to the clean analog/controller ground island - the exposed pad is the primary low-inductance ground path, not an optional thermal feature.
MCPWM outputs driving gate drivers create large di/dt transients that couple into ADC sensing traces. Keep ADC input traces short, route them away from PWM traces, and use the peripheral pin select (PPS) feature to assign analog-sensitive functions to pins on the opposite side of the 6x6 mm package from PWM outputs. Verify configuration of the internal PLL against the datasheet clock tree; exceeding the 70 MIPS / 60 MHz limits causes undefined behavior not protected by brown-out.
Two frequent mistakes: (1) substituting the /MV and /PT ordering codes on one PCB - MV is 48-UQFN while PT is 44-TQFP, so footprints are incompatible; always match the package code. (2) Assuming the /E extended-temperature part is a different die - it is the same silicon, so firmware is portable, but the /I part must never be used where +125C is specified. Also confirm RAM allocation: 8KB must cover stack, DMA buffers, and control-loop state simultaneously.
合規資訊
Distributor listings (DigiKey/Mouser/LCSC) categorize this MPN under standard commercial stock, but explicit RoHS/REACH certificate statements for this specific ordering code were not present in the verified web data. Confirm compliance on Microchip's official product page before export-controlled or green-profile BOM use.
