DSPIC33CK256MP608T-I/PT - 100MHz DSC 256KB Flash CAN FD | Microchip
MPN: DSPIC33CK256MP608T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.6 | $56.00 |
| 100 | $4.95 | $495.00 |
| 500 | $4.5 | $2,250.00 |
| 1,000 | $4.1 | $4,100.00 |
DSPIC33CK256MP608T-I/PT Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control architecture of a microcontroller. Within the power management hierarchy, DSCs occupy the high-performance embedded control tier, sitting above general-purpose MCUs for closed-loop control tasks such as field-oriented motor control and switch-mode power conversion. The dsPIC33CK family is Microchip's current-generation 16-bit DSC platform, succeeding the dsPIC33EP series.
Key features include the 100 MHz dsPIC DSC core with DSP instruction support, dual-panel flash enabling live firmware updates, a 12-bit high-speed ADC pipeline, multiple on-chip operational amplifiers, advanced high-resolution PWM peripherals, CAN FD connectivity, and 8-channel DMA for offloading data movement from the CPU. This peripheral set targets precision, high-frequency control loops that general-purpose MCUs cannot service deterministically.
Architecturally, the single-core dsPIC33CK uses a modified Harvard bus structure with barrel shifter and DSP multiply-accumulate hardware. The dual-panel flash architecture permits execution from one panel while erasing/programming the other, supporting field upgrades without external memory.
Typical applications include precision PMSM/BLDC motor control, digital power supplies and PFC stages, CAN FD networking nodes in automotive and industrial systems, and embedded sensing platforms leveraging the on-chip op-amps and 12-bit ADCs.
Design consideration: the device operates from a 3.0V to 3.6V single supply; ensure adequate decoupling on all VDD/VDDCORE pairs and account for MSL handling of the moisture-sensitive TQFP package during reflow.
This page synthesizes distributor inventory data, family drop-in alternatives, and practical design notes beyond the manufacturer datasheet, with pricing as of 2026-09-23.
Drop-in alternatives for DSPIC33CK256MP608T-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33CK256MP608T-I/PT (same form factor and footprint) — differing in ADC Resolution, Core, Operating Temperature, Package, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK256MP608T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK512MP608T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33CK128MP608T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MP608T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK256MP608-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.57 / Unit
View Datasheet →DSPIC33CK256MP608T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33C 16-bit DSC, single core |
| Maximum Clock Frequency | 100 MHz |
| Flash Program Memory | 256 KB (dual panel) |
| RAM | 64 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| CAN Interface | CAN FD |
| ADC Resolution | 12 bit |
| On-chip Op-Amps | Yes |
| PWM Peripherals | High-resolution PWM |
| DMA Channels | 8 |
| Data Bus Width | 16 bit |
| Process Technology | CMOS |
| Operating Temperature | -40C to +125C (Industrial, I-grade) |
| Package | 80-TQFP, 12x12 mm |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Serial I/O Ports | 3 |
DSPIC33CK256MP608T-I/PT 80-tqfp, 12x12 mm Pin Configuration Guide
Pin configuration for DSPIC33CK256MP608T-I/PT (80-tqfp, 12x12 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33CK256MP608T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK256MP608T-I/PT is suitable for 6 applications: Precision PMSM/BLDC Motor Control, Digital Power Supplies and PFC, CAN FD Industrial Networking Nodes, Embedded Analog Sensing Platforms, Automotive-Adjacent Control Systems, Test, Measurement and Instrumentation.
Precision PMSM/BLDC Motor Control
The DSPIC33CK256MP608T-I/PT is purpose-built for field-oriented control (FOC) of PMSM and BLDC motors: its 100 MHz 16-bit DSP core executes current-loop compensation at PWM-relevant rates, while high-resolution PWM peripherals achieve sub-nanosecond effective duty-cycle resolution for low-current ripple and quiet operation. The integrated operational amplifiers condition low-side shunt current signals directly, and the 12-bit ADC modules synchronize sampling to the PWM center for distortion-free current measurement. Typical usage places the DSC between a three-phase gate driver and CAN FD or UART telemetry, with 8 DMA channels streaming ADC results without CPU intervention. The 3.0V to 3.6V rail simplifies integration with 3.3V logic-level gate drivers, and the industrial -40C to +125C rating covers enclosed drive environments.
Recommended
Digital Power Supplies and PFC
In switch-mode power conversion, the DSPIC33CK256MP608T-I/PT replaces analog control loops with firmware-based compensation. Its high-resolution PWM generators produce precisely phased gate signals for PFC, LLC and buck stages, and the 12-bit ADCs capture voltage/current feedback synchronized to PWM triggers to eliminate switching-noise errors. The 100 MHz DSP core implements proportional-integral compensators and nonlinear limiters deterministically, while 8 DMA channels offload telemetry and fault logging. The dual-panel flash permits firmware updating of control laws in deployed telecom rectifiers without interrupting operation. Designers must budget PWM dead-time and ADC latency in the loop transfer function; the CAN FD interface links the converter into higher-level power-management buses common in server and base-station power shelves.
Recommended
CAN FD Industrial Networking Nodes
With integrated CAN FD controllers listed in the Mouser peripheral summary, the DSPIC33CK256MP608T-I/PT serves as an intelligent industrial node handling sensor fusion and actuator control while bridging onto modern CAN FD buses with payloads up to 64 bytes. The 100 MHz core manages protocol stacks concurrently with control tasks, and 64 KB RAM buffers message queues and DMA-driven peripheral data. The 80-pin TQFP exposes sufficient UART, SPI and I2C ports (3 serial I/O ports plus additional peripherals) to aggregate multiple local devices before forwarding on CAN FD. The industrial temperature grade and CMOS process support factory-floor environments; pairing with a robust CAN FD transceiver and proper bus termination preserves signal integrity at 8 Mbps data-phase rates.
Recommended
Embedded Analog Sensing Platforms
The on-chip operational amplifiers and multiple 12-bit ADC modules let the DSPIC33CK256MP608T-I/PT build compact sensing front ends that would otherwise need external amplification. Op-amps can be configured with firmware-settable gain for shunt-current, thermocouple-conditioning or bridge-sensor channels, feeding the 12-bit ADCs synchronously via DMA. The 100 MHz core applies DSP filtering (IIR/FIR) in real time, and 64 KB RAM retains waveform buffers for event capture. This suits condition-monitoring nodes for vibration and current-signature analysis in Industry 4.0 deployments. Designers should verify op-amp bandwidth against sensor frequency content in the family datasheet and reserve ADC sampling slots so high-priority control channels are never starved by telemetry conversions.
Recommended
Automotive-Adjacent Control Systems
Although the -I grade part targets industrial use, the dsPIC33CK256MP608 architecture is offered in AEC-Q100-qualified variants (such as the DSPIC33CK256MPT608 family per Microchip USA), enabling shared firmware and PCB platforms across industrial and vehicular programs. The -I/PT version itself is used in off-road, agricultural and auxiliary vehicle controllers where full automotive qualification is not mandated but CAN FD networking is. Its dual-panel flash supports field OTA-style updates of control firmware, the high-resolution PWM drives pumps, fans and actuators, and the 12-bit ADCs process analog position and current feedback. The 3.0V to 3.6V supply integrates cleanly with 3.3V sensor ecosystems common in vehicle auxiliary electronics.
Recommended
Test, Measurement and Instrumentation
The DSPIC33CK256MP608T-I/PT fits cost-sensitive bench instruments and data-acquisition modules that need real-time DSP alongside rich I/O. The 100 MHz core computes FFT-based spectrum analysis, RMS/windowing and triggering logic locally, while 12-bit ADCs sample multiple channels synchronously for phase-sensitive measurements. On-chip op-amps provide programmable analog gain stages ahead of the ADC, reducing BOM count, and the 8-channel DMA streams sample data into the 64 KB RAM for buffered USB or CAN FD export. Dual-panel flash allows test-sequence firmware to be updated in the field. For precision metrology, account for ADC integral nonlinearity from the datasheet and consider external precision references rather than VDD-derived references.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK256MP608T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK256MP608T-E/PT | DSPIC33CK512MP608T-I/PT | DSPIC33CK128MP608T-I/PT | DSPIC33CK64MP608T-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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Clock Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Program Memory | 256 KB | 256 KB | 512 KB | 128 KB | 64 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| CAN Interface | CAN FD | CAN FD | CAN FD | CAN FD | CAN FD |
| Operating Temperature | -40C to +125C (I-grade) | -40C to +150C (E-grade) | -40C to +125C (I-grade) | -40C to +125C (I-grade) | -40C to +125C (I-grade) |
| DMA Channels | 8 | 8 | 8 | 8 | 8 |
Key Differentiators
- Balanced 256 KB flash with dual-panel live-update support (vs DSPIC33CK128MP608T-I/PT)
- Extended-temperature sibling for harsh environments (vs DSPIC33CK256MP608T-E/PT)
- Full peripheral set (CAN FD + op-amps + high-res PWM) at lowest flash tier cost option (vs DSPIC33CK64MP608T-I/PT)
Design Notes
The device operates from a single 3.0V to 3.6V rail, but the dsPIC33CK core runs on an internally regulated lower voltage supplied via VDDCORE. Place the datasheet-specified low-ESR capacitor directly at the VDDCORE pin with a short, low-inductance connection to ground; core-regulator instability is the most common cause of 100 MHz clock jitter and spurious resets. Distribute decoupling (0.1uF per VDD pin plus bulk 10uF) and keep the analog supply isolated or well-filtered so ADC reference noise stays low during synchronized PWM-triggered sampling.
For the 80-pin 12x12 mm TQFP, fan out signal traces at 0.5 mm pitch using 0.23-0.25 mm traces and thermal relief pads on ground leads to aid reflow. Route PWM outputs away from ADC inputs and the op-amp pin group; high dv/dt gate-drive traces should cross ground planes with minimal plane splits. The TQFP is moisture-sensitive: bake per MSL instructions if the bag has been open beyond floor-life, otherwise package delamination and popcorn cracking can occur during reflow.
When substituting family members (e.g., moving from DSPIC33CK256MP608 to DSPIC33CK128MP608 for cost), verify that your code size fits the smaller flash panel structure and that configuration-bit settings match the target device in MPLAB X - configuration words are not identical across flash sizes. Also confirm the exact temperature suffix on incoming tape-and-reel labels: -I and -E parts share the same footprint and ordering code structure, and mislabeled inventory can pass incoming inspection until thermal testing.
CAN FD at data-phase rates requires disciplined bus layout: place the transceiver within ~20 mm of the TX/RX pins, route CANH/CANL as a tightly coupled differential pair with a termination network at the physical bus ends, and add common-mode choke and split termination per the transceiver reference design. On the DSC side, keep the crystal or internal-FDO reference layout symmetrical with ground guard rings if using an external oscillator, since 100 MHz core operation raises emitted harmonic content.
Compliance Information
The -I/PT industrial grade is not AEC-Q100 qualified; AEC-Q100 variants exist in the dsPIC33CK256MPT608 family. RoHS/REACH status should be confirmed on the Microchip product page certificate of compliance; lead-free status inferred from modern Microchip TQFP production.
