DSPIC33EP256MC204-E/ML - 16-bit 60 MIPS DSC 256KB Flash | Microchip
部品番号: DSPIC33EP256MC204-E/ML ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.6 | $46.00 |
| 100 | $4.33 | $433.00 |
| 500 | $4.05 | $2,025.00 |
| 1,000 | $3.8 | $3,800.00 |
DSPIC33EP256MC204-E/ML 概要
A digital signal controller combines the computing characteristics of a microcontroller (MCU) with the arithmetic capabilities of a digital signal processor (DSP). In the power-management hierarchy, the DSC sits above general-purpose MCUs for control-loop-intensive tasks: its DSP engine, hardware multiply-accumulate and high-speed PWM peripherals make it the natural controller class for precision motor control, digital power conversion and sensor signal conditioning.
Key features of the DSPIC33EP256MC204-E/ML include a 16-bit dsPIC33E core running at up to 60 MIPS, motor-control PWM (MCPWM) peripherals with complementary outputs and dead-time control, quadrature encoder interface (QEI) inputs for rotor position feedback, and integrated analog blocks including op amps and comparators that reduce external component count. The device operates from a single 3 V to 3.6 V supply (3.3 V nominal) and provides 35 general-purpose I/O lines.
Technically, the dsPIC33EP architecture is a modified Harvard core with a 24-bit instruction word, hardware DSP multiply-accumulate (MAC) instructions, and two address generation units. On-chip peripherals such as the MCPWM module generate center-aligned or edge-aligned drive waveforms for brushless DC, PMSM and ACIM motors, while the QEI decodes incremental encoder signals for closed-loop field-oriented control (FOC).
Typical applications include brushless DC and PMSF motor drives, switch-mode power supplies and digital lighting (LED/HID ballasts), industrial automation nodes, and embedded control systems requiring extended temperature operation.
Design consideration: the 3.0-3.6 V supply requires a clean, well-decoupled 3.3 V rail; add 0.1 uF ceramic decoupling on every VDD/VSS pair and place the exposed pad thermal/ground connection on a solid PCB ground pour.
This page synthesizes distributor pricing, same-family drop-in options, and practical design notes not found in the manufacturer datasheet alone.
ドロップイン代替品: DSPIC33EP256MC204-E/ML — 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: DSPIC33EP256MC204-E/ML （同一形状・フットプリント） — 相違点: Core Architecture, Package, Maximum CPU Speed, Operating Temperature, Product Family.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33EP256MC204-I/ML
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.4 / 個
データシートを見る →DSPIC33EP256MC204-E/ML 最大定格＆電気的特性
| Core Architecture | 16-bit dsPIC33E Harvard |
| Max CPU Speed | 60 MIPS |
| Flash Program Memory | 256 KB (85.5K x 24) |
| SRAM | 32 KB (16K x 16) |
| Supply Voltage Range | 3 V to 3.6 V |
| 動作温度 | -40C to +125C (Extended, E suffix) |
| パッケージ | 44-QFN (8x8 mm) with exposed pad |
| I/O Pins | 35 |
| Motor Control PWM (MCPWM) | Yes |
| Quadrature Encoder Interface (QEI) | Yes |
| Integrated Op Amps | Yes |
| Comparators | Yes |
| 実装タイプ | Surface Mount |
| Product Family | dsPIC33EP 16-bit DSC (MC20X motor control family) |
DSPIC33EP256MC204-E/ML 44-qfn (8x8 mm) with exposed pad ピン配置ガイド
DSPIC33EP256MC204-E/ML (44-qfn (8x8 mm) with exposed pad 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: DSPIC33EP256MC204-E/ML.
詳細は データシート をご参照ください。
主な用途
DSPIC33EP256MC204-E/ML の用途: 6 件s: Brushless DC / PMSM Motor Drives, Digital Power Supplies and SMPS, LED and HID Lighting Ballasts, Industrial Automation and Sensor Nodes, Automotive-Adjacent and Harsh-Environment Control, Embedded Motor Control Development and Education.
Brushless DC / PMSM Motor Drives
The DSPIC33EP256MC204-E/ML is purpose-built for precision motor control: its MCPWM module outputs center-aligned complementary PWM with hardware dead-time insertion, the QEI decodes incremental encoder position, and integrated op amps condition shunt-resistor current sensing for field-oriented control (FOC). At 60 MIPS, the core executes Clarke/Park transforms and PI current loops at 10-20 kHz rates with headroom for speed observers. Typical use is a 3-phase inverter stage driving the MCPWM pins through gate drivers, with the 256 KB Flash holding the complete FOC stack plus communication. The extended -40C to +125C rating suits motor-mounted electronics near heat sources.
おすすめ
Digital Power Supplies and SMPS
In digitally controlled switch-mode power supplies, LLC resonant converters and PFC stages, the DSPIC33EP256MC204-E/ML generates high-resolution PWM with phase-shift control via its MCPWM peripheral, and its comparators implement fast cycle-by-cycle overcurrent protection without core intervention. The 60 MIPS DSP engine supports average-current-mode control loops and nonlinear compensation in software. The integrated op amps buffer voltage/current feedback signals, trimming external BOM cost. Operating from a 3.3 V rail with the -E extended temperature grade, it fits fanless industrial power supplies and telecom rectifiers where ambient temperatures approach the upper limit.
おすすめ
LED and HID Lighting Ballasts
Digital lighting ballasts combine a boost or flyback PFC front end with a resonant or buck LED current stage - exactly the dual-loop control the MCPWM module of the DSPIC33EP256MC204-E/ML handles with independent PWM generators. The on-chip comparators provide hiccup-mode protection on lamp or LED-string faults, while the 16-bit core performs dimming curves, power metering and DALI/DMX protocol stacks. The 256 KB Flash leaves ample room for calibration tables and communications, and the -40C to +125C rating covers enclosed outdoor luminaires. High-resolution PWM dimming avoids visible flicker at low currents.
おすすめ
Industrial Automation and Sensor Nodes
Factory automation nodes need deterministic control, DSP filtering and robust communications - the DSPIC33EP256MC204-E/ML provides all three: 60 MIPS throughput for control and FFT-based vibration analysis, integrated op amps front-ending analog sensors such as pressure and current transducers, and 35 I/O lines interfacing limit switches, encoders and actuators. The 256 KB Flash stores the application plus protocol stacks, and the extended temperature range suits sealed panels and drive cabinets. Its DSP MAC instructions accelerate IIR/FIR filtering of noisy industrial signals at sample rates a general-purpose 16-bit MCU would struggle to sustain.
おすすめ
Automotive-Adjacent and Harsh-Environment Control
The -E extended temperature grade (-40C to +125C) of the DSPIC33EP256MC204-E/ML targets electronics mounted near engines, pumps, traction inverters and battery packs, where under-hood conditions exceed industrial limits. Its MCPWM, QEI and comparator peripherals serve electric coolant pumps, throttle actuators and auxiliary drives, while 256 KB Flash supports ISO-style diagnostic routines and calibration. Designers should verify the specific AEC-Q100 qualification status for the exact order code before release into formal automotive programs, and pair the DSC with automotive-rated gate drivers and CAN transceivers for a complete qualified subsystem.
おすすめ
Embedded Motor Control Development and Education
The DSPIC33EP256MC204-E/ML is a popular teaching and prototyping platform for digital control: Microchip's dsPIC33EP motor-control development ecosystem (MPLAB X IDE, XC16 compiler, motor-control plugin libraries) supports it directly, and the 44-QFN exposed-pad package is solderable on low-cost breakout and evaluation boards. Students and engineers implement sensorless and encoder-based FOC using the same MCPWM/QEI/op-amp peripherals found in production drives, so firmware ports directly from prototype to product. The 60 MIPS core demonstrates real-time DSP concepts - MAC instructions, hardware loops - on affordable 16-bit hardware.
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: DSPIC33EP256MC204-E/ML — 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 | DSPIC33EP256MC204-I/ML |
|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS |
| Flash Memory | 256 KB (85.5K x 24) | 256 KB (85.5K x 24) |
| SRAM | 32 KB | 32 KB |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Motor Control Peripherals (MCPWM/QEI/OpAmps) | Yes | Yes |
主な差別化要因
- Extended temperature operation （vs DSPIC33EP256MC204-I/ML)
- Integrated analog reduces BOM cost （vs General-purpose PIC24 MCUs (e.g., DSPIC33EP256GP504))
- Trade-off: 16-bit core ceiling （vs dsPIC33C (e.g., DSPIC33CK64MP502))
設計ノート
The DSPIC33EP256MC204-E/ML runs from a single 3.0-3.6 V supply (3.3 V nominal). Decouple every VDD/VSS pair with a 0.1 uF ceramic capacitor placed within 2 mm of the pins, plus bulk 10 uF near the device. Because the exposed pad is the primary ground return, connect it to a solid ground pour with an array of stitching vias - this also improves thermal performance in the 8x8 QFN. If driving MOSFET gate loads directly from MCPWM pins, verify that dynamic I/O current stays within the datasheet limits; use external gate drivers above 500 pF effective gate charge.
Route MCPWM outputs as short, matched traces to the gate drivers to minimize dead-time distortion and cross-conduction risk; keep high-di/dt inverter power loops physically separated from the DSC ground domain. The QEI encoder inputs (A/B/Index) should be treated as differential or Schmitt-buffered over cable runs, with series resistors and clamp diodes at the connector for ESD. Reserve programming/debug (ICSP: MCLR, PGD, PGC) pads on production PCBs even for high-volume builds - firmware field updates via ICSP avoid scrap in the field.
Do not mix temperature grades unintentionally: the -E/ML suffix is -40C to +125C while the -I/ML stops at +85C - purchasing substitutions of the I part into an extended-temperature BOM will cause field failures even though the footprint is identical. Also confirm Flash erase/write endurance requirements: if your application logs data to internal Flash, check the datasheet endurance specification and add external EEPROM for high-write use cases. Finally, the 60 MIPS rating requires proper PLL configuration in configuration words - an unconfigured oscillator leaves the device running at the slow default FRC divide, a frequent bring-up surprise.
コンプライアンス情報
Compliance details not stated in the provided web data. Current-production dsPIC33EP parts are typically RoHS-compliant, but verify the certificate on the Microchip product page for the exact order code. Not AEC-Q100 qualified on the standard product page; formal automotive programs should confirm qualification status with Microchip.
