DSPIC33EP64MC502-E/SO - 16-bit 60MIPS Motor Control DSC | Microchip
部品番号: DSPIC33EP64MC502-E/SO ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.26 | $3.26 |
| 10 | $3.1 | $31.00 |
| 100 | $2.95 | $295.00 |
| 500 | $2.82 | $1,410.00 |
| 1,000 | $2.65 | $2,650.00 |
DSPIC33EP64MC502-E/SO 概要
A digital signal controller combines the computational throughput of a digital signal processor with the integrated peripherals and deterministic control architecture of a microcontroller. Within the power-management hierarchy, DSCs sit at the top of embedded control ICs, alongside general-purpose MCUs, and are purpose-built for closed-loop control systems such as digital power conversion and motor drive inverters.
Key features include a 16-bit dsPIC33E core executing DSP-class multiply-accumulate instructions, an on-chip Motor Control PWM (MCPWM) module, a Quadrature Encoder Interface (QEI) for position feedback, and supply-voltage operation of 3 V to 3.6 V. The extended-temperature E grade supports operation to +125C, which is significant for enclosed motor-drive and automotive-adjacent environments.
The dsPIC33EP architecture pairs a fast interrupt and context-switching model with DSP engine and hardware addressing modes, enabling tight FOC (Field-Oriented Control) loop times for brushless DC and permanent-magnet synchronous motor control. The AEC-Q100-qualified variant family confirms process robustness, while the tube packaging suits prototype and low-volume assembly.
Typical applications include brushless DC motor drives, PMSM servo control, digital uninterruptible power supplies, and industrial automation nodes requiring synchronized PWM and encoder feedback.
Design consideration: operate within the 3 V to 3.6 V supply window and budget flash usage carefully, since 64 KB is the family maximum for this 28-pin variant - no in-package upgrade path exists.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: DSPIC33EP64MC502-E/SO — 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: DSPIC33EP64MC502-E/SO （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Qualification, Packaging, Core.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP64MC502-I/SO
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33EP64GP502-E/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.26 / 個
データシートを見る →DSPIC33EP64MC202-I/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$0.13 / 個
データシートを見る →DSPIC33EP32MC502-I/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.66 / 個
データシートを見る →DSPIC33EP32GP502-I/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.65 / 個
データシートを見る →DSPIC33EP64MC502-E/SO 最大定格＆電気的特性
| Core Processor | dsPIC33E (DSC) |
| Core Size | 16-bit |
| Speed (MIPS) | 60 MIPS (family core up to 70 MIPS) |
| Program Memory | 64 KB (22K x 24) Flash |
| SRAM | 8 KB |
| 電源電圧 | 3 V to 3.6 V |
| パッケージ | 28-SOIC |
| 動作温度 | -40C to +125C (E grade) |
| PWM Module | Motor Control PWM (MCPWM) |
| Encoder Interface | Quadrature Encoder Interface (QEI) |
| Qualification | AEC-Q100 (family variant) |
| Packaging | Tube |
| 実装タイプ | Surface Mount |
| ROM Type | Flash |
| カテゴリ | Digital Signal Controllers - DSP, DSC |
DSPIC33EP64MC502-E/SO 28-soic ピン配置ガイド
DSPIC33EP64MC502-E/SO (28-soic 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: DSPIC33EP64MC502-E/SO.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP64MC502-E/SO の用途: 6 件s: Brushless DC Motor Control, PMSM Servo Drives, Digital Power Conversion, Industrial Automation Nodes, Automotive-Adjacent Motor Loads, Embedded Signal Processing Control.
Brushless DC Motor Control
The DSPIC33EP64MC502-E/SO is purpose-built for BLDC drives: its Motor Control PWM module generates complementary or independent PWM channels with programmable dead time, while the Quadrature Encoder Interface or sensorless techniques close the commutation loop. At 60 MIPS with a 16-bit DSP engine executing MAC operations, field-oriented control loops can run at switching-frequency rates without floating-point hardware. The E temperature grade (-40C to +125C) suits sealed drive enclosures where the controller sits near power switches. Placed on a 3.3 V rail with the MCPWM outputs driving a gate-driver stage, the controller provides deterministic loop timing that reduces audible noise and improves efficiency versus 8-bit alternatives.
おすすめ
PMSM Servo Drives
Permanent-magnet synchronous motor servo control demands high-rate current loops and precise rotor position - exactly what the MCPWM module and QEI of the DSPIC33EP64MC502-E/SO deliver. The 60 MIPS dsPIC33E core executes Park/Clarke transforms and PI current regulators with cycle-accurate determinism, and the QEI decodes incremental encoder signals in hardware, offloading the CPU. Operation to +125C allows mounting inside geared servo housings with limited airflow. The controller typically reads phase currents via its on-chip ADC (with PWM-triggered sampling) and outputs SVPWM waveforms; the 8 KB SRAM accommodates trajectory buffers for point-to-point motion in compact servo nodes.
おすすめ
Digital Power Conversion
Digitally controlled UPS, solar micro-inverter, and DC-DC converter stages benefit from the deterministic PWM and fast interrupt model of the DSPIC33EP64MC502-E/SO. The MCPWM supports phase-shifted and complementary topologies with hardware dead-time insertion and fault shutdown inputs, which are essential for burst-mode and transient-fault protection in power stages. Running control loops at tens of kHz switching frequency is straightforward at 60 MIPS. The 3 V to 3.6 V supply integrates cleanly with isolated gate-driver bias rails, and the extended temperature grade supports power supplies operating in hot industrial cabinets where ambient near the controller can approach 105C.
おすすめ
Industrial Automation Nodes
Factory sensors, actuators, and sub-controllers use the DSPIC33EP64MC502-E/SO where its 16-bit core, DSP instructions, and remappable peripheral pins allow one PCB design to serve multiple node types via firmware. UART, SPI, and I2C remap onto the 28-pin SOIC pinout, enabling flexible fieldbus interfaces while timers handle local sequencing. The 64 KB flash holds protocol stacks plus application logic for compact nodes; designs needing more code space should select a higher-memory family member instead of attempting external memory. Tube packaging makes the part convenient for mixed-technology contract manufacturing of low-to-mid-volume automation boards.
おすすめ
Automotive-Adjacent Motor Loads
The dsPIC33EP64MC502 family is listed under AEC-Q100 qualification in distributor data, making the E-graded 28-SOIC part a candidate for auxiliary motor loads - pumps, fans, actuators - in harsh vehicles and off-highway equipment where full automotive sourcing is not mandated. Operation to +125C covers under-hood-adjacent and engine-bay-near zones, and the MCPWM/QEI pairing supports both sensored and sensorless control of BLDC loads. Engineers should verify the exact automotive ordering option with Microchip for formal programs, but the qualification trail simplifies reliability justification compared to consumer-graded MCUs.
おすすめ
Embedded Signal Processing Control
The dsPIC33E core integrates a DSP engine with single-cycle MAC and dual operand fetch, letting the DSPIC33EP64MC502-E/SO run digital filters (IIR/FIR), FFT-based monitoring, and sensor-fusion routines while simultaneously managing control outputs. At 60 MIPS this suits condition-monitoring nodes - vibration, current-signature analysis on motor lines - where the controller both analyzes and actuates. The 8 KB SRAM constrains block sizes, so allocate buffers carefully; for heavier DSP payloads choose a higher-memory family device. The 28-SOIC extended-temperature package supports DIN-rail and panel-mounted monitoring hardware in industrial settings.
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: DSPIC33EP64MC502-E/SO — 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 | DSPIC33EP64MC502-I/SO | DSPIC33EP64GP502-E/SO | DSPIC33EP64MC202-I/SO | DSPIC33EP32MC502-I/SO | DSPIC33EP32GP502-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB (22K x 24) | 64 KB | 64 KB | 32 KB | 32 KB | 32 KB |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Motor Control PWM / QEI | Yes | Yes | No (GP peripherals) | Yes | Yes | No (GP peripherals) |
| Operating Temperature | -40C to +125C (E) | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
主な差別化要因
- Extended -40C to +125C operation in a low-cost SOIC （vs DSPIC33EP64MC502-I/SO)
- Dedicated Motor Control PWM and QEI （vs DSPIC33EP64GP502-E/SO)
- Largest flash in the 28-pin MC subfamily （vs DSPIC33EP64MC202-I/SO)
設計ノート
Hold VDD strictly within the 3 V to 3.6 V window specified by the dsPIC33EP family datasheet. Place a 0.1 uF ceramic decoupling capacitor at each VDD/VSS pin pair, as close to the pins as possible, plus bulk 10 uF near the device. Enable the internal Brown-out Reset so dips below 3 V do not cause erratic execution during motor switching transients. Estimated: a 60 MIPS dsPIC33EP core draws on the order of tens of mA at 3.3 V, so size the 3.3 V rail regulator with at least 50% margin above the sum of core and I/O currents.
Flash is 64 KB of 24-bit words - do not plan firmware headroom assuming byte-addressable 64 KB of code space; effective instruction capacity is about 22K words. Also, DSPIC33EP64MC502-I/SO is NOT a substitute above +85C ambient: only the -E/SO grade is rated to +125C. Finally, the MC (MCPWM/QEI) and GP variants share the same footprint but not the same peripheral set - a firmware drop-in from GP to MC is not automatic.
For motor-control layouts, route MCPWM outputs away from analog sense lines feeding the ADC, and use a solid ground plane under the controller. Place the QEI input filter components (series R plus small C) near the pins to reject drive-stage noise. Because the E grade is used in hot enclosures, provide thermal relief per Microchip's thermal design guidance in the family datasheet rather than relying on small trace cross-sections.
Use the remappable peripheral pin (RPn) scheme deliberately: assign UART/SPI/I2C functions to pins farthest from the PWM outputs to minimize crosstalk on the 28-SOIC, which has a 1.27 mm pitch and no ground guard between all pins. Keep encoder (QEI) traces short and twisted/paired if they run near power wiring.
コンプライアンス情報
Distributor listings (globalspec, octopart) describe the dsPIC33EP64MC502 family as 'Automotive, AEC-Q100, dsPIC 33EP'. RoHS/REACH/lead-free status not stated in provided data.
