DSPIC33CK256MP605-I/PT - 100MHz DSC, 256KB Flash, 48-TQFP | Microchip
MPN: DSPIC33CK256MP605-I/PT ✓ نشطDSPIC33CK256MP605-I/PT نظرة عامة
A digital signal controller combines the compute characteristics of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP, providing deterministic single-cycle DSP multiply-accumulate operations alongside real-time control peripherals such as high-resolution PWM, making the dsPIC33CK family a staple of power management and motor control IC ecosystems.
Key features include a 100 MHz/100 MIPS 16-bit dsPIC core with DSP engine, 256KB (256K x 8) dual-panel Flash enabling live firmware updates, 64KB (64K x 8) SRAM, and a rich analog front end: a 19-channel 12-bit SAR ADC plus six 12-bit DAC outputs and integrated operational amplifiers. Communication coverage spans CAN FD, multiple UART/SPI/I2C ports, and 39 general-purpose I/O pins.
Architecturally, the dsPIC33CK core uses an enhanced Harvard structure with zero-overhead looping, hardware division, and DO/REDO loop constructs. The dual-panel Flash supports flash self-programming from one panel while executing from the other. High-resolution PWM peripherals with dedicated time bases target digital power conversion topologies, while up to 8 DMA channels offload data movement for ADC and communication traffic.
Typical applications include precision brushless DC and PMSM motor control, digital power supplies and LLC/PFC converters, automotive and industrial CAN FD nodes, and advanced sensing systems. The 100 MIPS core plus 19-channel ADC suits multi-phase current sensing in servo drives.
Design consideration: the device operates from 3.0V to 3.6V, so level-shift CAN FD transceivers or 5V-tolerant buffering may be needed when interfacing with 5V industrial logic.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC33CK256MP605-I/PT (نفس عامل الشكل والبصمة) — يختلف في Package, RAM Size.
DSPIC33CK256MP605-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33CK256MP605-H/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33CK512MP605-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33CK128MP605-I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33CK256MP605-I/PT الحدود القصوى والخصائص الكهربائية
| Core | 16-bit dsPIC33CK DSC |
| Maximum Speed | 100 MHz (100 MIPS) |
| Program Memory | 256KB (256K x 8) Flash, dual panel |
| RAM Size | 64KB (64K x 8) |
| Operating Voltage | 3 V to 3.6 V |
| ADC | 19-channel 12-bit SAR |
| DAC | 6-channel 12-bit |
| CAN | CAN FD |
| GPIO | 39 I/O |
| DMA Channels | 8 |
| العلبة | 48-TQFP (7x7 mm) |
| نوع التركيب | Surface Mount |
| Temperature Grade | I (-40C to +85C) |
| Peripheral Features | OpAmps, 12-bit ADCs, high-resolution PWM |
| Programming | ICSP via PGECx/PGEDx pairs |
| حالة RoHS | Compliant |
| الفئة | Digital Signal Processors & Controllers - DSP, DSC |
دليل تكوين أطراف DSPIC33CK256MP605-I/PT 48-tqfp (7x7 mm)
تكوين الأطراف لـ DSPIC33CK256MP605-I/PT (حزمة 48-tqfp (7x7 mm)). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
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راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
DSPIC33CK256MP605-I/PT مناسب لـ 6 التطبيقs: Precision Motor Control (FOC for PMSM/BLDC), Digital Power Conversion (LLC, PFC, Totem-Pole), Automotive and Industrial CAN FD Nodes, Advanced Sensing and Condition Monitoring, Industrial Automation and Robotics I/O, LED Lighting and Electronic Ballasts.
Precision Motor Control (FOC for PMSM/BLDC)
The DSPIC33CK256MP605-I/PT fits high-performance servo and industrial drive designs because its 100 MHz/100 MIPS DSP core executes field-oriented control loops at 10-20 kHz with heavy headroom, while the 19-channel 12-bit SAR ADC samples multiple phase-current and bus-voltage channels simultaneously for accurate FOC feedback. On-chip op-amps can condition shunt-current signals internally, removing external amplifier stages. The high-resolution PWM peripheral generates complementary outputs with sub-nanosecond effective resolution for tight dead-time control in three-phase inverters. Firmware lives in 256KB dual-panel Flash with 64KB RAM for coordinate transforms and observer-based position estimation. Mounted in a 48-TQFP, it supports CAN FD feedback to a drive supervisor. The trade-off versus a dedicated motor SoC is that gate drivers remain external, but that keeps the power stage flexible across voltage classes.
موصى به
Digital Power Conversion (LLC, PFC, Totem-Pole)
For digital power supplies, the DSPIC33CK256MP605-I/PT aligns strongly with switched-mode topologies requiring fast, deterministic control: its 100 MIPS core closes voltage-mode or current-mode loops in single-digit microseconds, and the high-resolution PWM supports phase-shifted full-bridge, LLC, and totem-pole PFC schemes with precise dead time. The 12-bit ADC's 19 channels monitor input/output voltage, current, and temperature in one scan, with DMA offloading results so the core never stalls. Six 12-bit DACs provide programmable reference or ramp sources for comparators used in cycle-by-cycle current limiting. Dual-panel Flash allows live firmware parameter updates during burn-in testing. Integrated CAN FD enables PMBus-like supervisory links in datacenter rectifiers. Designers must budget core voltage at 3.0-3.6V and keep switching noise away from ADC inputs via layout partitioning.
موصى به
Automotive and Industrial CAN FD Nodes
The integrated CAN FD controller makes the DSPIC33CK256MP605-I/PT a strong host for industrial and vehicular gateways, sensor aggregation nodes, and actuator controllers. CAN FD's higher payload (up to 64 data bytes) and faster data phase let a single node stream ADC telemetry - the 19-channel 12-bit converter can feed condition data through 8 DMA channels into CAN message RAM with minimal CPU load. The 39 GPIO and multiple UART/SPI/I2C ports allow local peripherals such as encoders, displays, and security sensors to coexist on one controller. For harsh environments, the -E or -H temperature-grade variants of the same 48-TQFP part drop in without redesign. A 3.3V supply keeps logic interfacing straightforward with modern 3.3V CAN FD transceivers. Surge-protected transceiver selection and proper common-mode choke placement dominate EMC performance in these nodes.
موصى به
Advanced Sensing and Condition Monitoring
Sensor aggregation and predictive-maintenance platforms benefit from this DSC's analog density: the 19-channel 12-bit SAR ADC digitizes vibration, current, and thermistor arrays without external multiplexers, while the six 12-bit DACs generate excitation or calibration waveforms. The 100 MHz core runs FFT windows or Goertzel algorithms on 64KB of RAM for bearing-frequency signature detection, and single-cycle MAC operations make filtering computationally cheap. DMA channels stream ADC samples into RAM double-buffers so the CPU can process one block while the next fills - a pattern documented in Microchip's dsPIC33C digital signal controller examples. Results ship over CAN FD or UART to a cloud gateway. Because the device is 16-bit fixed-point, designers should pre-scale coefficients carefully to avoid overflow in long accumulation chains, or use the hardware DSP saturating accumulator modes.
موصى به
Industrial Automation and Robotics I/O
In factory automation, the DSPIC33CK256MP605-I/PT serves as a deterministic real-time controller for robotic joint modules, conveyor drives, and CNC auxiliary axes. The 100 MIPS core with hardware division executes interpolation and PID cascades in microsecond cycles, while high-resolution PWM drives both motors and solenoid-level outputs with fine duty control. The 39 GPIO lines interface limit switches, encoders, and safety interlocks; quadrature decoding runs in hardware peripherals so the CPU stays free for protocol stacks. Dual-panel Flash supports field firmware updates on machines that cannot tolerate downtime, and the industrial -40C to +85C grade covers cabinet and outdoor equipment environments. CAN FD provides deterministic communication to PLCs and cell controllers. Recommended practice: implement watchdog supervision and safe-state GPIO latching so a firmware fault de-energizes actuators predictably.
موصى به
LED Lighting and Electronic Ballasts
High-power LED drivers and HID electronic ballasts exploit the DSPIC33CK256MP605-I/PT's control-grade peripherals: high-resolution PWM with independent rise/fall control shapes buck, boost, or SEPIC converter waveforms for flicker-free dimming, while the 12-bit ADC closes current loops around each LED string and reads NTC temperature sensors across 19 channels for derating curves. The 100 MHz core implements constant-current regulation with adaptive compensation, and the six DACs set programmable current limits or PWM reference thresholds enforced by analog comparators for cycle-by-cycle protection. Dual-panel Flash stores multiple dimming curve profiles that update in the field. DMX or DALI-style links run on UART peripherals, and CAN FD integrates fixtures into building automation. Because this is a 48-pin part, simpler fixtures can instead use smaller dsPIC33CK family members with identical firmware architecture, easing platform scaling.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC33CK256MP605-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC33CK256MP605-E/PT | DSPIC33CK256MP605-H/PT | DSPIC33CK512MP605-I/PT | DSPIC33CK128MP605-I/PT |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Flash Memory | 256 KB | 256 KB | 256 KB | 512 KB | 128 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Temperature Range | -40C to +85C (I) | -40C to +125C (E) | Automotive/harsh grade (H) | -40C to +85C (I) | -40C to +85C (I) |
| ADC Channels | 19-ch 12-bit SAR | 19-ch 12-bit SAR | 19-ch 12-bit SAR | 19-ch 12-bit SAR | 19-ch 12-bit SAR |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
أبرز الفروقات
- Dual-panel 256KB Flash enables live field firmware updates (مقابلDSPIC33CK128MP605-I/PT)
- Extended-temperature sibling available with zero redesign (مقابلDSPIC33CK256MP605-E/PT)
- Integrated op-amps and 6 DACs reduce external analog BOM (مقابلGeneric MCU + external AFE approach)
ملاحظات التصميم
The DSPIC33CK256MP605-I/PT requires a 3.0V to 3.6V supply. Use a local 3.3V LDO or buck with at least 100 mA headroom for core plus I/O switching currents, and place a 10uF bulk capacitor plus 0.1uF ceramic decoupling at each VDD pin pair as close to the pins as possible. Estimated: an FOC loop toggling all 39 GPIO lines with heavy PWM duty can transiently demand tens of milliamps; undersized decoupling manifests as ADC noise and spurious resets rather than obvious brownouts, so validate with an oscilloscope on VDD during full-load PWM operation.
Keep the ADC analog section clean: route phase-current shunt signals to the 19-channel 12-bit SAR ADC inputs as short Kelvin-connected traces, and separate the analog ground region from the power-electronics ground return, tying them at a single star point. High-resolution PWM edges switching amps of gate current can couple into ADC inputs across just a few millimeters of parallel trace. Reference Microchip's dsPIC33C digital power reference designs, which demonstrate partitioning of the analog front end for motor-control and LLC converter layouts, before finalizing your stackup.
ICSP programming requires matched PGECx/PGEDx pairs - if you dedicate PGEC2 to ICSPCLK, the debugger data line must be PGED2, not another PGEDx. Include a programming header on every production board even if field updates use dual-panel Flash self-programming. Also note the I/O rails are not 5V tolerant: legacy 5V CAN or RS-485 transceivers will overdrive the pins, so select 3.3V-logic transceivers such as the MCP2562FD or add level shifting.
معلومات الامتثال
RoHS compliant and lead-free per DigiKey/Mouser/LCSC listings for the /PT package. REACH, halogen-free and conflict-minerals declarations should be confirmed via Microchip's official product compliance documentation.