dsPIC33CK256MP608-E/PT - 100MIPS DSC, 256KB Flash, CAN FD | Microchip
MPN： DSPIC33CK256MP608-E/PT ✓ 啟用中DSPIC33CK256MP608-E/PT 概覽
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the preferred device class for closed-loop control systems that need fast math (MAC, divide, barrel shifter) plus rich analog and timing peripherals on one chip.
Key features of this part include CAN FD for automotive and industrial networking, integrated operational amplifiers that reduce external BOM cost for current-sense front-ends, and 12-bit ADCs for precision feedback. The dual-panel Flash architecture supports live firmware updates, and the family carries Functional Safety (FuSa) support documentation. Per Microchip's product page, the dsPIC33CK family targets high-performance, precision motor-control systems.
Technically, the single-core dsPIC33C engine executes most instructions in one cycle at 100 MIPS, while high-resolution PWM peripherals generate industry-leading edge resolutions for power conversion and motor drive. The -E suffix denotes extended operation to +125C and the part is AEC-Q100 qualified, per distributor listings.
Typical applications include PMSM and BLDC motor control, digital power supplies (totem-pole PFC, LLC), automotive auxiliaries, and industrial inverters where CAN FD connectivity and deterministic PWM are mandatory.
Design consideration: budget the 64 KB RAM carefully - the DMA and ADC subsystems can consume significant share space in high-sampling-rate control loops.
This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33CK256MP608-E/PT — 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： DSPIC33CK256MP608-E/PT （相同外形與佔位） — 差異在於 Operating Temperature, Package, Analog Peripherals, CAN, Core.
DSPIC33CK512MP608-E/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK128MP608-E/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK256MP608-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK256MP608T-E/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK512MP608T-E/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK256MP608-E/PT 最大額定值與電氣特性
| Core | dsPIC33CK 16-bit DSC, single core |
| CPU Speed | 100 MHz (100 MIPS) |
| Flash Memory | 256 KB (256K x 8), dual panel |
| SRAM | 64 KB |
| 供應電壓 | 3.0 V to 3.6 V |
| 工作溫度 | -40C to +125C (E grade) |
| 封裝 | 80-pin TQFP, 12 x 12 mm |
| 安裝類型 | Surface Mount |
| CAN | CAN FD |
| Analog Peripherals | OpAmps, 12-bit ADCs |
| PWM | High-resolution PWM |
| Qualification | AEC-Q100 |
| Functional Safety | FuSa support (per Microchip family page) |
| Packaging | Tray (/PT) |
| Peripheral Set Summary | CAN FD, OpAmps, 12bit ADCs, PWM (per Mouser) |
DSPIC33CK256MP608-E/PT 80-pin tqfp, 12 x 12 mm 腳位配置指南
DSPIC33CK256MP608-E/PT（80-pin tqfp, 12 x 12 mm 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： DSPIC33CK256MP608-E/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33CK256MP608-E/PT 適用於 6 應用s: Precision Motor Control (PMSM/BLDC), Digital Power Conversion (Totem-Pole PFC, LLC), Automotive Body and Auxiliary Modules, Industrial Inverters and Drives with Fieldbus, Sensor Fusion and DSP-Intensive Data Acquisition, Test and Measurement Instrumentation.
Precision Motor Control (PMSM/BLDC)
The dsPIC33CK256MP608-E/PT is purpose-built for closed-loop motor control: its 100 MHz core executes field-oriented control (FOC) loops at tens of kHz with single-cycle MAC and divide instructions, while high-resolution PWM delivers sub-nanosecond-class edge resolution for dead-time control in three-phase inverters. Integrated op amps buffer low-side shunt current measurements directly into the 12-bit ADCs, removing external amplifier ICs and shortening the current-loop latency that limits FOC bandwidth. In an 80-pin TQFP there are enough PWM channels and remappable pins to drive dual motors with encoder or resolver feedback. Placed as the single MCU in a servo drive, the CAN FD interface links the drive to a plant network while the dual-panel Flash permits field firmware updates without a second controller.
推薦
Digital Power Conversion (Totem-Pole PFC, LLC)
Switching power stages such as totem-pole PFC and LLC converters need PWM peripherals with very fine edge control and fast ADC-triggered control loops - exactly the dsPIC33CK256MP608-E/PT's strengths. The high-resolution PWM phase shifting supports interleaved topologies, and the 12-bit ADCs with simultaneous sampling capture input/output voltages and inductor currents each switching cycle. With the 100 MIPS core, average-current-mode or predictive control laws execute well above typical 100-500 kHz switching frequencies. The extended -40C to +125C operation suits power supplies mounted near hot components, and AEC-Q100 qualification (per the GlobalSpec listing) permits use in on-board charger and auxiliary power modules. Firmware in dual-panel Flash enables in-system updates for grid-code compliance tuning.
推薦
Automotive Body and Auxiliary Modules
Automotive auxiliary ECUs - pump controllers, valve drivers, lighting modules - benefit from this part's combination of AEC-Q100 qualification, -E grade operation to +125C, and on-chip CAN FD. The integrated op amps and 12-bit ADCs implement diagnostic current sensing on solenoid and motor loads, while the high-resolution PWM directly drives pre-drivers or smart half-bridges at audible-noise-suppressing frequencies. Per Microchip's family page, dsPIC33CK devices support functional-safety (FuSa) development, easing integration into safety-relevant auxiliary functions. In the 12 x 12 mm 80-pin TQFP, one device consolidates network, sensing, and actuation control that previously required two or three ICs, reducing board area in space-constrained modules while dual-panel Flash supports field reprogramming over the vehicle CAN bus.
推薦
Industrial Inverters and Drives with Fieldbus
Factory inverters, conveyor drives, and pump inverters require deterministic control plus robust industrial networking. The dsPIC33CK256MP608-E/PT covers both: its 100 MIPS core sustains sensorless FOC with PLL observers, and the CAN FD peripheral connects to industrial CANopen-over-CAN-FD style networks at higher payload rates than classic CAN. Multiple 12-bit ADC channels sample DC-link voltage, phase currents, and heatsink temperature simultaneously for protective interlocks, and the integrated op amps condition shunt signals without external parts. The abundant I/O of the 80-pin package handles brake-chopper PWM, fan control, and digital inputs. Extended -40C to +125C rating tolerates control-cabinet hot spots, and the dual-panel Flash architecture permits firmware updates on installed machines without interrupting the production line.
推薦
Sensor Fusion and DSP-Intensive Data Acquisition
Systems that must acquire, filter, and compress multi-channel sensor streams - vibration monitors, acoustic analyzers, predictive-maintenance nodes - map naturally onto the dsPIC33CK256MP608-E/PT. The DSP engine's single-cycle MAC, dual operands, and circular buffers implement FIR/IIR filters and FFTs efficiently, while 64 KB of RAM holds simultaneous multi-channel buffers fed by DMA from the 12-bit ADCs. Integrated op amps front-end microphones, accelerometers, or current clamps, reducing analog component count. The 80-pin TQFP provides remappable pins for SPI/I2C connectivity to external sensors and SD-style storage. CAN FD moves feature vectors to a host or gateway in compact 64-byte frames. Running DSP workloads on a DSC instead of a separate DSP chip lowers BOM cost and firmware complexity.
推薦
Test and Measurement Instrumentation
Portable and bench instrumentation - electronic loads, battery cyclers, impedance meters - uses the dsPIC33CK256MP608-E/PT for its combination of fast control loops, precision analog front-ends, and abundant peripherals. The 12-bit ADCs plus integrated op amps digitize voltage and current sense signals with minimal external circuitry, and the high-resolution PWM with programmable dead time synthesizes controlled load or charge waveforms. At 100 MIPS, the core runs averaging, RMS computation, and UI refresh concurrently. The 80-pin count supports displays, keypads, USB-UART bridges, and isolation control lines without a second MCU. Extended temperature operation suits instruments used near thermal limits, and per Microchip's family positioning the dsPIC33CK peripherals (PWM, ADC, op amps) are engineered for precision power-control applications, matching instrument accuracy targets.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33CK256MP608-E/PT — 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 | DSPIC33CK512MP608-E/PT | DSPIC33CK128MP608-E/PT | DSPIC33CK256MP608-I/PT | DSPIC33CK256MP608T-E/PT | DSPIC33CK512MP608T-E/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (12x12) | 80-TQFP (12x12) - same | 80-TQFP (12x12) - same | 80-TQFP (12x12) - same | 80-TQFP (12x12) - same | 80-TQFP (12x12) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 512 KB | 128 KB | 256 KB | 256 KB | 512 KB |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| CAN FD | Yes | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Double the program memory in the identical footprint (對比DSPIC33CK128MP608-E/PT)
- Extended -E temperature grade for hot environments (對比DSPIC33CK256MP608-I/PT)
- Fully drop-in upgrade path (對比DSPIC33CK512MP608-E/PT)
設計說明
Supply the dsPIC33CK256MP608-E/PT from a clean 3.0-3.6 V rail: place a 10 uF bulk capacitor plus 0.1 uF ceramics at each VDD/VSS pair, and keep the AVDD/AVSS analog domain on a ferrite-isolated supply so ADC and op-amp accuracy is not degraded by core switching noise. Because the -E grade allows +125C ambient, verify the housekeeping regulator can source core current at elevated temperature; current draw rises with both frequency and temperature per the family datasheet electrical characteristics.
For motor-control or digital-power layouts, route PWM outputs to gate drivers with short, matched traces and keep the high-resolution PWM's output edges away from the ADC input traces to prevent kick-back noise. Use the 12x12 mm TQFP's distributed VDD/VSS pin pairs - connect every one of them. Reserve ground keep-outs under the crystal/oscillator pins, and dedicate one layer as a continuous ground plane; remappable RPx pins let you assign noisy digital functions away from analog corner pins during layout iteration.
Verify Flash fit before substituting the 128 KB variant: code built with the full 256 KB dual-panel map will not link on DSPIC33CK128MP608 without optimization. Also confirm temperature grade at BOM level - substituting the cheaper -I/PT industrial part in a design specified to +125C is a silent reliability failure. Finally, when using integrated op amps with high-gain settings, follow the datasheet-recommended external resistor network and account for gain-bandwidth limits in the current-loop bandwidth budget.
合規資訊
AEC-Q100 qualification and automotive designation are explicitly stated in the GlobalSpec distributor record ('dsPIC Automotive, AEC-Q100'). RoHS/REACH/lead-free status not stated in provided data - verify on Microchip's product page.
