DSPIC33CK256MP605T-I/PT - 100MIPS DSC, CAN FD, 48-TQFP | Microchip
MPN: DSPIC33CK256MP605T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.96 | $496.00 |
| 500 | $4.46 | $2,230.00 |
| 1,000 | $4.02 | $4,020.00 |
DSPIC33CK256MP605T-I/PT Overview
A digital signal controller combines the computational horsepower of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management hierarchy of embedded systems, DSCs occupy the space between general-purpose MCUs and dedicated DSPs, making them the de facto choice for closed-loop, high-frequency control loops such as field-oriented motor control, digital power conversion, and high-rate sensor fusion.
Key features include the 100 MHz dsPIC33C core with DSP engine and single-cycle MAC, dual-panel Flash enabling live firmware updates, Controller Area Network Flexible Data-rate (CAN FD) for automotive and industrial networking, integrated operational amplifiers that reduce external analog component count, 12-bit ADCs, and high-resolution PWM modules for power electronics.
The architecture provides 8 DMA channels for autonomous data movement, multiple serial communication interfaces (5 serial ports), and timers, offloading the CPU from data-shuffling tasks so control loops execute deterministically. Functional Safety (FuSa) documentation support makes the part suitable for safety-relevant industrial designs.
Typical applications include precision PMSM and BLDC motor control drives, digital SMPS and totem-pole PFC converters, and industrial automation nodes requiring CAN FD connectivity. The integrated op-amps feed the ADCs directly for current-sense loops, shortening control latency.
When designing with this device, budget the analog resources carefully: the on-chip op-amps are limited in number, and external amplification may still be needed for very low-level signals. Use Microchip MPLAB X IDE and Curiosity/debugger toolchains, which are shared across the dsPIC33C family.
This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33CK256MP605T-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 DSPIC33CK256MP605T-I/PT (same form factor and footprint) — differing in Core, Integrated Op-Amps, Maximum Clock Frequency, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK256MP605T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK256MP605T-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK256MP505T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK128MP505T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MP505T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.4 / Unit
View Datasheet →DSPIC33CK32MP505T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK256MP605T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33C 16-bit DSC |
| Maximum Clock Frequency | 100 MHz |
| Performance | 100 MIPS |
| Flash Memory | 256 KB (256K x 8) |
| RAM | 64 KB (65,536 words) |
| DMA Channels | 8 |
| Serial Ports | 5 |
| CAN | CAN FD |
| ADC Resolution | 12-bit |
| Integrated Op-Amps | Yes |
| PWM | High-resolution PWM modules |
| Package | 48-TQFP (7x7 mm) |
| Terminal Pitch | 0.50 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Functional Safety Support | FuSa (per DigiKey classification) |
DSPIC33CK256MP605T-I/PT 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33CK256MP605T-I/PT (48-tqfp (7x7 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 DSPIC33CK256MP605T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK256MP605T-I/PT is suitable for 6 applications: Precision PMSM/BLDC Motor Control, Digital Power Conversion (SMPS and PFC), Industrial Automation CAN FD Nodes, Battery Management and Charging Systems, High-Performance Digital Audio Processing, Automotive and E-Mobility Auxiliary Control.
Precision PMSM/BLDC Motor Control
The DSPIC33CK256MP605T-I/PT is purpose-built for field-oriented control (FOC) of PMSM and BLDC motors. Its 100 MHz dsPIC33C core executes single-cycle MAC/DSP instructions, allowing a full current, speed, and position control loop at PWM frequencies of 20 kHz or more with deterministic latency. The high-resolution PWM modules provide sub-nanosecond edge control for dead-time optimization, while the 12-bit ADCs sample phase currents triggered synchronously with the PWM. Integrated op-amps amplify shunt-resistor current signals directly, shortening the analog front end. Combined with dual-panel Flash for live parameter tuning, the device fits servo drives, robotics, and industrial automation axes requiring precise torque control.
Recommended
Digital Power Conversion (SMPS and PFC)
For digital switched-mode power supplies, totem-pole PFC, and LLC converters, the DSPIC33CK256MP605T-I/PT offers complementary high-resolution PWM outputs with programmable dead time and phase shifting. The 12-bit ADCs with multiple sample-and-hold modules capture input/output voltage and inductor current within one PWM cycle, enabling peak-current-mode and average-current-mode control at switching frequencies into the hundreds of kilohertz. The 100 MIPS core overhead leaves margin for housekeeping tasks such as CAN FD telemetry and fault logging. Compared to analog controllers, the DSC enables adaptive compensation, soft-start profiling, and protection state machines implemented in firmware with cycle-accurate response.
Recommended
Industrial Automation CAN FD Nodes
The integrated CAN FD controller makes the DSPIC33CK256MP605T-I/PT a strong fit for industrial automation nodes that exchange larger payloads or need faster cyclic data than classical CAN allows. The 8-channel DMA moves CAN frames, ADC results, and serial data without CPU intervention, keeping the 100 MHz core free for protocol handling and application logic. Five serial ports (UART/SPI/I2C class interfaces) connect sensors, HMIs, and memories simultaneously, while 64 KB RAM buffers network queues and logging. The -40C to +85C industrial rating and FuSa documentation support suit factory-floor and process-control environments requiring traceable development.
Recommended
Battery Management and Charging Systems
In battery management systems and smart chargers, the DSPIC33CK256MP605T-I/PT handles CC/CV charging profiles, cell balancing coordination, and host communication in one device. Multiple 12-bit ADC channels monitor bus voltage, charge current, and pack temperature, while the integrated op-amps condition low-level shunt signals without external amplifiers. The high-resolution PWM drives synchronous buck or buck-boost power stages with precise duty resolution for tight current regulation. CAN FD connects the BMS to vehicle or inverter controllers, and the 256 KB dual-panel Flash stores charge-profile tables and supports field firmware updates without interrupting active charging control loops.
Recommended
High-Performance Digital Audio Processing
The DSP engine of the DSPIC33CK256MP605T-I/PT, with single-cycle MAC and hardware divide support, implements digital audio filters, equalization, and effects at 100 MIPS - sufficient headroom for multi-channel 48 kHz processing. Distributors such as Microchip USA specifically cite high-performance digital audio among the dsPIC33CK family's target applications. The DMA controller streams ADC/DAC codec data through the serial ports without CPU loading, keeping the core available for FIR/IIR filter computation. The 256 KB Flash stores filter coefficient sets and multiple tuning profiles, making the device suitable for professional audio front ends and powered-speaker DSP stages.
Recommended
Automotive and E-Mobility Auxiliary Control
The DSPIC33CK256MP605T-I/PT serves auxiliary automotive and e-mobility controllers such as pumps, fans, actuators, and lighting ballasts, where CAN FD networking and sensorless motor control coexist. The family's Functional Safety (FuSa) classification on DigiKey supports safety-relevant development processes, while the -40C to +85C industrial grade covers most under-hood auxiliary zones (use the -E or -H variants for hotter zones in the same footprint). The 100 MHz core runs sensorless FOC with sliding-mode or flux observers, and 5 serial ports interface with LIN-bridge or diagnostic tooling, consolidating drive, sense, and network functions in a single 48-TQFP device.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK256MP605T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK256MP605T-E/PT | DSPIC33CK256MP605T-H/PT | DSPIC33CK256MP505T-I/PT | DSPIC33CK128MP505T-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 Performance | 100 MHz / 100 MIPS | Same die, 100 MHz class | Same die, 100 MHz class | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB (-50%) |
| Operating Temperature | -40C to +85C (I) | Extended (E) grade | -40C to +150C (H) | -40C to +85C (I) | -40C to +85C (I) |
| Peripheral Set | Full MP6x5 set: CAN FD, op-amps, 5 serial ports | Identical to MP605 | Identical to MP605 | Reduced (MP5x5 subset) | Reduced (MP5x5 subset) |
Key Differentiators
- Full peripheral richness within the 48-TQFP family (vs DSPIC33CK256MP505T-I/PT)
- Pin-identical high-temperature upgrade path (vs DSPIC33CK256MP605T-H/PT)
- Larger memory headroom vs cost-reduced members (vs DSPIC33CK128MP505T-I/PT)
Design Notes
For the 48-TQFP (PT) package, use a 0.5 mm pitch footprint per IPC-7351B density level B, and fan out decoupling so every VDD pin pair has a 100 nF ceramic capacitor within 2 mm of the pin, plus bulk 10 uF near the supply entry. Place the AVDD ferrite bead and its 10 uF capacitor on a quiet analog island separated from PWM/switching ground currents. Solid ground plane on layer 2 is strongly recommended for the ADC's noise floor when sampling current shunts.
Estimated: a 100 MHz dsPIC33C core draws on the order of tens of mA from a 3.3 V rail; budget the regulator for the active-mode current listed in the datasheet DC characteristics plus 30% margin for GPIO and peripheral loading. Sequence 3.3 V monotonically at power-up and hold MCLR low until VDD is stable - dsPIC33C devices include brown-out and power-on-reset options that should be enabled via configuration bits rather than relying on external RC circuits.
dsPIC33C peripherals are heavily multiplexed via the Peripheral Pin Select (PPS) system - do not assume a peripheral lives on a fixed pin; verify the pin diagram tables before layout sign-off. Second, the T-suffix part is tape-and-reel: order cut-tape or tray variants for prototyping to avoid full-reel purchases. Third, when substituting family members (e.g., MP505 for MP605), confirm that every peripheral actually instantiated in firmware exists on the target silicon - code linking against an absent peripheral will build but fault at runtime.
Compliance Information
Environmental compliance data was not present in the retrieved web data for this ordering code; verify on Microchip's official product page environmental documents. DigiKey classifies the family under Functional Safety (FuSa) support.