DSPIC33CK256MP208-I/PT - 100MHz 16-bit DSC 256KB | Microchip
部品番号: DSPIC33CK256MP208-I/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.6 | $2.60 |
| 10 | $2.45 | $24.50 |
| 100 | $2.3 | $230.00 |
| 500 | $2.15 | $1,075.00 |
| 1,000 | $2 | $2,000.00 |
DSPIC33CK256MP208-I/PT 概要
A digital signal controller combines the computational power of a DSP with the peripheral integration and deterministic interrupt behavior of a microcontroller. Within the power management hierarchy, DSCs sit at the top of the microcontroller family, providing hardware multiply-accumulate (DSP engine), high-resolution PWM, and fast ADCs - capabilities that conventional MCUs typically lack for closed-loop power conversion and motor commutation.
Key features include the modified Harvard architecture 16-bit dsPIC33CK core running DC to 100 MIPS, three on-chip operational amplifiers, three analog comparators, and a Peripheral Trigger Generator (PTG). Flash ECC plus dual-partition Live Update enables fail-safe field firmware upgrades, and functional-safety (FuSa) support simplifies certification-driven designs.
Architecturally, the single-core CK family emphasizes per-cycle deterministic execution and low interrupt latency, while the companion CH family adds an independent second core. The integrated op-amps amplify shunt-resistor current-sense signals before the internal ADCs, saving external analog components in three-phase inverter designs.
Typical applications are digital power supplies (PFC, LLC, totem-pole converters), precision motor control of BLDC, PMSM, ACIM and SR machines, advanced sensing, and CAN FD networked nodes using the on-chip CAN Flexible Data module. High-resolution PWM enables sub-nanosecond duty-cycle resolution for high-frequency power stages.
Design consideration: operate the device at 3.3V nominal within the 3.0V to 3.6V window, and use the ADC/OPA reference design guidance from the dsPIC33CK family reference manuals for current-loop stability.
This page synthesizes distributor pricing, same-package drop-in alternatives, design notes, and FAQ content not found in the manufacturer datasheet.
ドロップイン代替品: DSPIC33CK256MP208-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: DSPIC33CK256MP208-I/PT （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Architecture, Core, Program Memory (Flash).
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33CK256MP208-E/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33CH256MP208-I/PT
✅ ドロップイン✓ 在庫あり
$5.95 / 個
データシートを見る →DSPIC33CH512MP208-I/PT
✅ ドロップイン✓ 在庫あり
$8.55 / 個
データシートを見る →DSPIC33CK128MP208-I/PT
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.58 / 個
データシートを見る →DSPIC33CK256MP208-I/PT 最大定格＆電気的特性
| Core | 16-bit dsPIC33CK DSC core |
| CPU Speed | 100 MIPS (DC to 100 MIPS) |
| Program Memory (Flash) | 256 KB (256K x 8) with ECC and Live Update (dual-partition) |
| Data SRAM | 24 KB with MBIST |
| Operating Voltage | 3.0 V to 3.6 V |
| 動作温度 | -40C to +85C (I grade per datasheet; -E grade up to +125C) |
| パッケージ | 80-TQFP (12x12 mm) |
| 実装タイプ | Surface Mount |
| On-chip Op-Amps | 3 |
| Analog Comparators | 3 |
| Peripheral Trigger Generator (PTG) | Yes |
| CAN Module | CAN Flexible Data (CAN FD) |
| PWM | High-Resolution PWM |
| Architecture | Modified Harvard, single core |
| Functional Safety | FuSa variant support |
| Max Clock Frequency | 100 MHz |
| データバス幅 | 16 bit |
DSPIC33CK256MP208-I/PT 80-tqfp (12x12 mm) ピン配置ガイド
DSPIC33CK256MP208-I/PT (80-tqfp (12x12 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: DSPIC33CK256MP208-I/PT.
詳細は データシート をご参照ください。
主な用途
DSPIC33CK256MP208-I/PT の用途: 6 件s: Digital Power Conversion, Precision Motor Control (BLDC/PMSM/ACIM/SR), CAN FD Networked Industrial Nodes, Advanced Sensing and Control Systems, Automotive-Adjacent and High-Temperature Systems, Embedded Control with Live Field Updates.
Digital Power Conversion
The DSPIC33CK256MP208-I/PT targets digital power supplies including PFC, LLC, and totem-pole bridgeless topologies. Its 100 MIPS core executes control loops with deterministic latency, while the high-resolution PWM provides fine duty-cycle granularity required for converters switching at hundreds of kilohertz. Three on-chip op-amps amplify shunt current-sense signals before the internal ADC, and three comparators offer hardware over-current shutdown paths independent of software, protecting power stages within microseconds. In a typical design, the controller closes voltage and current loops at 100 kHz-plus bandwidth, computes control with the DSP engine's multiply-accumulate instructions, and sequences power-up over the CAN FD bus. Unlike general-purpose MCUs, the dsPIC33CK's PWM resolution and ADC trigger synchronization remove the jitter and quantization limits that cap achievable efficiency in digitally controlled converters.
おすすめ
Precision Motor Control (BLDC/PMSM/ACIM/SR)
According to Microchip, the dsPIC33CK family enables high-performance precision motor control systems that are more energy efficient, quieter, and extend motor life, controlling BLDC, PMSM, ACIM, and switched-reluctance machines. The MP208 runs field-oriented control (FOC) on its 100 MIPS core with DSP MAC instructions executing the Park/Clarke transforms each PWM cycle. Three integrated op-amps condition low-side shunt currents directly into the ADCs, eliminating external amplifier ICs, and the high-resolution PWM with adjustable dead-time insertion drives three-phase inverter bridges cleanly. The CAN FD module links the drive to industrial networks. In a typical PMSM servo implementation, the current loop closes at 20-50 kHz, the speed loop at 1-5 kHz, and hardware comparator-based over-current protection trips in under a microsecond, delivering smooth low-speed torque and efficient wide-speed operation.
おすすめ
CAN FD Networked Industrial Nodes
The integrated CAN Flexible Data (CAN FD) module makes the DSPIC33CK256MP208-I/PT a strong fit for industrial and mobile nodes that must exchange larger payloads at higher bit rates than classical CAN allows, such as drive parameter streaming, sensor fusion, and firmware distribution. The dual-partition Flash with ECC and Live Update lets the node install new firmware over the CAN FD network while continuing to run from the alternate partition, falling back safely if an update fails - a critical feature for deployed equipment. The Peripheral Trigger Generator (PTG) offloads deterministic ADC/PWM sequencing from the CPU, keeping interrupt latency low while communication stacks run. Combined with 24 KB SRAM for buffering and the 100 MIPS core for protocol handling, a single MP208 can serve as both the control processor and the network gateway in compact industrial endpoints.
おすすめ
Advanced Sensing and Control Systems
The DSPIC33CK256MP208-I/PT suits advanced sensing systems that combine analog signal conditioning with real-time decision logic. The three on-chip operational amplifiers can be allocated to bridge sensor amplification (pressure, load cell) and current sensing, feeding the high-speed ADCs synchronously with PWM or PTG triggers for coherent sampling. The 100 MIPS core applies DSP filtering - FIR/IIR via the DSP engine - to raw samples, implementing analytics such as vibration signature detection or impedance measurement in real time. Functional-safety (FuSa) support on the CK family aids designs targeting safety-critical monitoring, and 256 KB ECC Flash accommodates large calibration tables and compensation curves. Designs benefit from reduced external analog component count and deterministic sample timing that asynchronous MCU+external-ADC architectures struggle to achieve.
おすすめ
Automotive-Adjacent and High-Temperature Systems
For applications exposed to elevated ambient temperatures - underhood accessories, industrial drives near heat sources, high-power supplies - the same-die DSPIC33CK256MP208-E/PT variant provides the extended temperature grade on the identical 80-TQFP footprint, allowing one PCB design to serve standard and harsh environments by BOM substitution. The ECC-protected Flash maintains data integrity at temperature, MBIST supports periodic SRAM self-test in monitored systems, and CAN FD matches automotive-adjacent network requirements. A practical pattern is to qualify the board with the -E/PT part and populate the lower-cost -I/PT where thermal margins allow, or vice versa for field upgrades. The 3.0V-3.6V supply window integrates with standard 3.3V rails derived from wide-input buck regulators common in vehicle and industrial power trees.
おすすめ
Embedded Control with Live Field Updates
Products requiring fail-safe remote firmware updates benefit directly from the MP208's dual-partition Flash with ECC and Live Update. The controller executes application code from one partition while the bootloader writes the new image into the other, over CAN FD, UART, or USB-class links; CRC/ECC checks validate the image before switching the boot pointer, and any failure leaves the previous firmware runnable - no bricked units in the field. The 256 KB Flash supports keeping a golden image plus one application image in larger products. This architecture is standard practice for industrial drives, networked power supplies, and telemetry nodes where service visits are costly. The 100 MIPS core keeps bootloader transfer times short, and the PTG can maintain PWM-safe states during the update window so connected power stages remain controlled.
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: DSPIC33CK256MP208-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 | DSPIC33CK256MP208-E/PT | DSPIC33CH256MP208-I/PT | DSPIC33CH512MP208-I/PT | DSPIC33CK128MP208-I/PT | DSPIC33CK256MP205-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 64-pin TQFP - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MIPS | 100 MIPS | 100 MIPS (2x core) | 100 MIPS (2x core) | 100 MIPS | 100 MIPS |
| Program Flash | 256 KB | 256 KB | 256 KB | 512 KB | 128 KB | 256 KB |
| SRAM | 24 KB | 24 KB | 24 KB | 48 KB (dual-core) | 24 KB | 24 KB |
| Core Count | 1 | 1 | 2 | 2 | 1 | 1 |
| Temperature Grade | -40C to +85C (I) | Extended (E), up to +125C | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
主な差別化要因
- Single-core cost efficiency （vs DSPIC33CH256MP208-I/PT)
- Extended temperature drop-in option （vs DSPIC33CK256MP208-E/PT)
- Full memory headroom （vs DSPIC33CK128MP208-I/PT)
設計ノート
The dsPIC33CK256MP208 requires a single 3.0V-3.6V supply. Decouple each VDD/VDDCORE pair per the family hardware design guidelines: 0.1uF ceramic per pin plus bulk 4.7-10uF, with the separate VDDCORE rail decoupled exactly as shown in the datasheet reference schematic - incorrect VDDCORE decoupling is the most common bring-up failure on dsPIC33CK boards. Follow Microchip's family reference manual layout diagrams for AVDD/AVSS filtering to protect ADC accuracy.
On the 80-TQFP 12x12 mm footprint, place the current-sense op-amp shunt connections as short Kelvin-routed traces directly to the OPA input pins; the analog front end's accuracy depends on clean routing to AVSS. Keep the high-resolution PWM outputs (PGx) as matched-length groups to the gate drivers and isolate them from the analog section with a ground moat to prevent switching noise coupling into ADC measurements.
Many digital pins are multiplexed via Peripheral Pin Select (PPS); fixed-function pins such as MCLR, oscillator, and analog inputs are not remappable - verify the pin map against the datasheet before locking the schematic. When using dual-partition Live Update, remember Flash erase/write voltages and partition sizes differ from unpartitioned mode; the boot partition mapping must be configured correctly or the device will not start.
コンプライアンス情報
Compliance data was not present in the provided Verified Web Data. Microchip product page should be consulted for current RoHS/REACH status.