DSPIC33EP512MC204T-I/PT - 70 MIPS 16-bit DSC 512KB | Microchip
部品番号: DSPIC33EP512MC204T-I/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $6.48 | $6.48 |
| 10 | $5.92 | $59.20 |
| 100 | $5.31 | $531.00 |
| 500 | $4.85 | $2,425.00 |
| 1,000 | $4.42 | $4,420.00 |
DSPIC33EP512MC204T-I/PT 概要
A digital signal controller is a hybrid device that combines the control peripherals and interrupt architecture of a microcontroller with the multiply-accumulate DSP engine of a digital signal processor. Within the power management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP, making the dsPIC33E family a popular choice for real-time control loops where both computation and deterministic I/O are required.
Key features of this device include the enhanced dsPIC33EP core with DSP instruction support, motor-control PWM (MCPWM) peripherals for inverter and BLDC control, quadrature encoder interface (QEI) inputs for position feedback, on-chip operational amplifiers and analog comparators that reduce external component count, and direct memory access (DMA) channels that offload data movement from the CPU. The 512KB Flash supports in-circuit self-programming, and 48KB of RAM provides ample buffering for control algorithms and communication stacks.
Architecturally, the dsPIC33EP core executes most instructions in a single cycle at 70 MIPS, with dual 40-bit accumulators, 17-bit x 17-bit single-cycle MAC, and hardware modulo and bit-reversed addressing for FFT routines. Clock operation is nominally referenced at 60 MHz in system designs, while the core performance envelope reaches 70 MIPS per Microchip family documentation. The CMOS process delivers low active power in the 3.0V to 3.6V supply range.
Typical applications include precision BLDC and PMSM motor control with field-oriented control algorithms, digital power supplies and solar inverters, sensorless industrial drives, and general embedded control where DSP filtering (IIR/FIR) is required. The QEI plus MCPWM combination makes this exact MPN a natural fit for servo and positioning systems.
When designing with this device, budget the 3.3V rail carefully: all I/O and core power derive from a single 3.0V to 3.6V domain, so sequencing and decoupling (100 nF per VDD pin) are essential for reliable POR behavior. Verify thermal margins in sealed enclosures at 85C ambient.
This page synthesizes verified distributor data, drop-in family alternatives, and practical design notes not consolidated in the manufacturer product listing.
ドロップイン代替品: DSPIC33EP512MC204T-I/PT — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: DSPIC33EP512MC204T-I/PT （同一形状・フットプリント） — 相違点: Operating Temperature, Package, Core Architecture, Packaging, Supply Voltage.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP512MC204T-E/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33EP512MC204T-H/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33EP256MC204-I/PT
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33EP256MC504T-I/TL
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.32 / 個
データシートを見る →DSPIC33EP256MC504-I/PT
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.6 / 個
データシートを見る →DSPIC33EP512MC204T-I/PT 最大定格＆電気的特性
| Core Architecture | 16-bit dsPIC33EP DSC core |
| Max CPU Speed | 70 MIPS |
| Program Memory (Flash) | 512KB (170K x 24) |
| RAM | 48KB |
| 電源電圧 | 3.0 V to 3.6 V |
| 動作温度 | -40C to +85C |
| パッケージ | 44-TQFP (10x10 mm) |
| 実装タイプ | Surface Mount |
| PWM Peripherals | MCPWM (motor control PWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| On-chip Analog | OpAmps, Comparators |
| DMA Channels | 4 |
| Timers | 5 |
| RoHS ステータス | Compliant |
| Automotive Qualification | Not qualified (see -H variant for AEC-Q100) |
DSPIC33EP512MC204T-I/PT 44-tqfp (10x10 mm) ピン配置ガイド
DSPIC33EP512MC204T-I/PT (44-tqfp (10x10 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: DSPIC33EP512MC204T-I/PT.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP512MC204T-I/PT の用途: 6 件s: BLDC / PMSM Motor Control, Digital Power Supplies and Inverters, Servo Drives and Motion Positioning, Industrial Automation and Sensor Processing, Automotive-Grade Control Systems (H variant), Embedded DSP Filtering and Audio Signal Conditioning.
BLDC / PMSM Motor Control
The DSPIC33EP512MC204T-I/PT fits brushless DC and permanent-magnet synchronous motor control through its motor-control PWM (MCPWM) module with complementary outputs and hardware dead-time insertion, quadrature encoder interface for rotor position, and on-chip op-amps plus comparators for current sensing and cycle-by-cycle overcurrent shutdown. According to Microchip, the dsPIC33E family is engineered precisely for precision, energy-efficient motor control systems. In a typical field-oriented control design, the 70 MIPS core with single-cycle 17x17 MAC executes the Clarke/Park transforms and PI current loops at switching frequencies of 20 kHz or higher, while 512KB Flash stores sensorless estimators and 48KB RAM buffers diagnostic data. The trade-off versus a general-purpose MCU is the absence of USB and graphics peripherals - this part is optimized purely for control bandwidth and determinism.
おすすめ
Digital Power Supplies and Inverters
In switch-mode power supplies, solar inverters, and PFC stages, the DSPIC33EP512MC204T-I/PT provides high-resolution PWM with phase-shift and complementary modes, fast analog comparators with programmable references for instantaneous overcurrent limiting, and 4 DMA channels that stream ADC results without CPU intervention. The 70 MIPS DSP core implements 3-phase inverter control and resonant-converter compensators that a 40 MIPS dsPIC33F cannot sustain at equivalent loop rates. The 512KB Flash allows storage of multiple operating profiles, firmware-update images, and logging structures in one device. Use the device between the sensing front-end and gate drivers: ADC samples current/voltage, comparators trip PWM outputs within one clock cycle for protection, and the control ISR updates duty cycles. Key consideration: budget 3.3V rail quality, since PWM duty resolution and ADC accuracy depend on clean supply and reference.
おすすめ
Servo Drives and Motion Positioning
Servo and positioning axes benefit directly from this part's quadrature encoder interface (QEI), which decodes incremental encoder signals in hardware, and its MCPWM outputs for driving H-bridges. The 70 MIPS core runs position/velocity/current cascaded loops and interpolation mathematics, while DSP instructions accelerate notch and low-pass filters that tame mechanical resonance. With 512KB Flash and 48KB RAM, trajectory tables, PID autotuning routines, and Modbus or CANopen communication stacks coexist in a single controller. The -40C to +85C industrial rating suits factory-floor cabinets without active cooling in most climates. Design tip: route encoder A/B/Z signals differentially into the QEI pins using an RS-422 receiver for noise immunity in electrically noisy drive cabinets, and verify that PGD/PGC programming pins remain accessible for in-field firmware updates via ICSP.
おすすめ
Industrial Automation and Sensor Processing
For industrial automation nodes, the DSPIC33EP512MC204T-I/PT combines DSC-level signal processing with MCU-class control peripherals: 5 timers, 4 DMA channels, and on-chip comparators handle pump sequencing, conveyor coordination, and limit protection, while the DSP engine executes FIR/IIR filtering on vibration or pressure signals for predictive maintenance. The industrial -40C to +85C temperature range and RoHS-compliant 44-TQFP package fit standard DIN-rail PCB assemblies. The 512KB Flash accommodates protocol stacks and local logging, and the 48KB RAM supports ring buffers for multi-channel acquisitions at kHz rates. Compared with a plain 16-bit PIC24, the added DSP throughput (70 MIPS, dual 40-bit accumulators) lets one chip close real-time control loops and analyze sensor data simultaneously, eliminating a separate signal-processing stage and reducing board area and BOM cost in compact control modules.
おすすめ
Automotive-Grade Control Systems (H variant)
While the -I variant itself is not AEC-Q100 qualified, the identical DSPIC33EP512MC204T-H/PT drop-in sibling carries AEC-Q100 and TS 16949 qualification, letting one PCB design serve both industrial and automotive programs. In automotive applications such as electric power steering assist, DC-DC converters, pumps, and fan control, the MCPWM with fault inputs, QEI for position feedback, and comparators for protection map directly onto ASIL-supporting architectures when combined with external monitoring. The 70 MIPS core sustains FOC for 12V/48V traction auxiliaries, and the 512KB Flash supports dual-image firmware with OTA-style update schemes. Engineers should use the -H/PT suffix for any in-vehicle deployment, confirm supply-chain PPAP documentation through Microchip, and design the 3.3V rail to automotive load-dump and cranking transient requirements with proper TVS and filtering.
おすすめ
Embedded DSP Filtering and Audio Signal Conditioning
The DSP fabric of the DSPIC33EP512MC204T-I/PT - single-cycle 17-bit x 17-bit multiply-accumulate, dual 40-bit accumulators, and modulo/bit-reversed addressing - makes it an efficient host for real-time FIR/IIR filtering, Goertzel tone detection, and small FFTs on sensor or audio-band signals. The on-chip op-amps can buffer microphone or sensor outputs before the ADC, and DMA streams conversion results to RAM without CPU loading, sustaining multi-channel processing at audio sample rates within the 70 MIPS budget. Applications include acoustic leak detection, ultrasonic flow metering, vibration analyzers, and industrial condition-monitoring probes. The 512KB Flash retains coefficient tables, calibration data, and a communication stack (UART/SPI/I2C) simultaneously. Design note: keep the analog front-end ground return separated from PWM switching currents, and exploit the comparators for threshold-triggered capture to minimize continuous sampling overhead.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: DSPIC33EP512MC204T-I/PT — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | DSPIC33EP512MC204T-E/PT | DSPIC33EP512MC204T-H/PT | DSPIC33EP256MC204-I/PT | DSPIC33EP256MC504T-I/TL | DSPIC33EP256MC504-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP thin (10x10) | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS 16-bit dsPIC33EP | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 512KB (170K x 24) | 512KB | 512KB | 256KB | 256KB | 256KB |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +125C (automotive) | -40C to +85C | -40C to +85C | -40C to +85C |
| Automotive Qualification | No | No | Yes (AEC-Q100, TS 16949) | No | No | No |
| Key Peripherals | MCPWM, QEI, OpAmps, Comparators, 4 DMA, 5 timers | Identical peripheral set | Identical peripheral set | MCPWM, QEI, OpAmps, Comparators | MCPWM, QEI, OpAmps, Comparators | MCPWM, QEI, OpAmps, Comparators |
| Drop-in Compatibility | Reference part | Pin-to-pin, same footprint | Pin-to-pin, same footprint | Pin-to-pin, same footprint | Pin-to-pin, verify thin-TQFP land pattern | Pin-to-pin, same footprint |
主な差別化要因
- Automotive drop-in option exists （vs DSPIC33EP512MC204T-H/PT)
- Double the program memory of cost-reduced siblings （vs DSPIC33EP256MC204-I/PT)
- Extended temperature headroom at zero layout cost （vs DSPIC33EP512MC204T-E/PT)
設計ノート
Run the DSPIC33EP512MC204T-I/PT from a clean 3.3V LDO or buck within the 3.0V-3.6V datasheet window. Place 100 nF ceramic capacitors at every VDD/VSS pin pair (multiple power pins exist on the 44-TQFP) plus one bulk 4.7-10 uF capacitor near the device. Keep the ADC reference path isolated from PWM switching currents; ripple on the analog rail directly degrades motor current-sense accuracy. Estimated: at 70 MIPS with typical peripheral loading, core current is in the tens-of-mA range per Microchip family data - size the 3.3V regulator with at least 2x margin for I/O drive current.
Reserve via-pad access to the programming pins MCLR (pin 1) and PGD1/PGC1 (associated with RB2/RB3 on the 44-TQFP) for ICSP with PICkit 4, ICD 4, or SNAP. Route MCPWM complementary outputs as short matched pairs to the gate drivers and keep dead-time as short as the driver allows - excessive dead time distorts low-speed motor current. Ground the on-chip op-amp inputs over a quiet analog island; the exposed 10x10 TQFP has no exposed pad, so use a local ground pour on layer 2 stitched with vias near VSS pins.
Three frequent mistakes: (1) ordering the non-reel '/PT' tube variant or the -E/-H grade by accident - the full MPN including 'T-I' must appear on your PO; (2) attempting to substitute a dsPIC33F MC204 part, which shares the outline but not the pinout, memory map, or programming algorithm; (3) exceeding the -40C to +85C ambient rating of the -I grade in sealed enclosures - if the enclosure can exceed 85C, switch to DSPIC33EP512MC204T-E/PT (rated to +125C), which is footprint-identical. Verify derivative selection with Microchip's cross-reference tool before releasing the BOM.
コンプライアンス情報
RoHS compliant and lead-free per distributor listings (DigiKey, RS). The -I grade is not AEC-Q100 qualified; the DSPIC33EP512MC204T-H/PT variant is AEC-Q100 and TS 16949 qualified per Microchip USA.