DSPIC33CK64MP506T-I/MR - 100MHz 64KB CAN-FD DSC | Microchip
MPN: DSPIC33CK64MP506T-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.35 | $43.50 |
| 100 | $3.68 | $368.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.68 | $2,680.00 |
DSPIC33CK64MP506T-I/MR Overview
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and deterministic interrupt behavior of a microcontroller. Within the power-management hierarchy, the DSC sits above general-purpose MCUs and below application processors, targeting closed-loop control loops such as digital power conversion, motor control and advanced sensing where cycle-accurate PWM and fast ADC pipelines are essential.
Key features include the 100 MHz dsPIC DSC core with DSP multiply-accumulate instructions, 64 KB of Flash (24-bit wide instruction words) and 8 KB of RAM, four DMA channels for data movement without CPU intervention, and CAN Flexible Data (CAN FD) for modern in-vehicle and industrial networking. Analog integration is a family signature: three operational amplifiers and three comparators offload external signal-conditioning components, reducing BOM cost in current-sense and feedback paths.
Architecturally, the dsPIC33CK core pairs a 16-bit MCU pipeline with a 17-bit x 17-bit hardware multiplier and dual 40-bit accumulators, enabling DSP-class filtering and control algorithms at single-cycle MAC throughput. The high-resolution PWM (HRPWM) supports fine edge positioning required by topologies such as totem-pole PFC, LLC and multiphase buck converters. Peripherals can be cross-connected through the PTG and DMA fabric for autonomous operation, lowering CPU load in time-critical loops.
Typical applications include digital power supplies (PFC, LLC, DC-DC), brushless and PMSM motor control with field-oriented control, automotive and industrial CAN FD nodes, and high-end sensing systems that benefit from the integrated op-amps. The 64-pin QFN exposes sufficient port count for multi-phase systems and parallel feedback networks.
Design consideration: supply the device from a clean 3.3 V rail, place 100 nF decoupling at every VDD/VSS pair, and route the exposed thermal pad to ground for signal-integrity and thermal performance; verify CAN FD bit-timing margins with the onboard oscillator vs an external crystal per the manufacturer datasheet.
This page synthesizes distributor pricing, drop-in family alternatives, design notes and intent-optimized FAQs not found in the manufacturer datasheet, with pricing as of 2026-09-23.
Drop-in alternatives for DSPIC33CK64MP506T-I/MR — 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 DSPIC33CK64MP506T-I/MR (same form factor and footprint) — differing in Package, Operating Temperature, Data SRAM, Core, Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP506-I/MR
✅ Drop-In✓ In Stock
$1.58 / Unit
View Datasheet →DSPIC33CK64MP506T-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK64MP506T-H/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK128MP506-E/MR
✅ Drop-In✓ In Stock
$4.42 / Unit
View Datasheet →DSPIC33CK32MP506-E/MR
✅ Drop-In✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33CK64MP506T-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Core Family | dsPIC33CK |
| Maximum CPU Speed | 100 MHz |
| Flash Program Memory | 64 KB |
| RAM | 8 KB |
| Supply Voltage | 3.3 V |
| CAN Interface | CAN FD |
| On-chip Operational Amplifiers | 3 |
| On-chip Comparators | 3 |
| DMA Channels | 4 |
| Peripheral Trigger Generator | Yes (PTG) |
| PWM | High-Resolution PWM |
| Package | 64-QFN (MR), 9x9 mm, exposed pad |
| Pin Count | 64 |
| Mounting Type | Surface Mount |
| Packing | Tape & Reel (T) |
| Operating Temperature Range | -40C to +85C (I grade) |
DSPIC33CK64MP506T-I/MR 64-qfn (mr), 9x9 mm, exposed pad Pin Configuration Guide
Pin configuration for DSPIC33CK64MP506T-I/MR (64-qfn (mr), 9x9 mm, exposed pad 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 DSPIC33CK64MP506T-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP506T-I/MR is suitable for 6 applications: Digital Power Supplies (PFC / LLC / DC-DC), Brushless Motor Control (FOC), Automotive and Industrial CAN FD Nodes, Advanced Sensing and Control Systems, High-Efficiency LED Lighting and Electronic Ballasts, Embedded Control and IoT Industrial Gateways.
Digital Power Supplies (PFC / LLC / DC-DC)
The DSPIC33CK64MP506T-I/MR fits digital power conversion because its 100 MHz core executes control loops fast enough for switching frequencies of several hundred kHz, while the high-resolution PWM provides fine edge placement needed for phase shedding and burst mode. On-chip op-amps condition current-shunt feedback without external amplifiers, and comparators support fast cycle-by-cycle overcurrent protection. Using the device between the rectified bus and the power stage with PWM-driven gate drivers, designers achieve adaptive control that analog-only controllers cannot match; the CAN FD module additionally links the power supply into managed power systems for telemetry and fault reporting.
Recommended
Brushless Motor Control (FOC)
Field-oriented control of BLDC and PMSM motors demands deterministic, fast current loops - exactly what the 100 MHz dsPIC33CK core, hardware DSP MACs and high-resolution PWM of this part deliver. The three integrated op-amps read low-side shunt currents from all three phases, eliminating three external amplifier ICs and their offset/matching errors, while comparators implement hardware overcurrent trip without CPU latency. The 64 pins of the MR package provide headroom for encoder or resolver interfaces plus multiple UART/CAN FD links to the wider drive system. The result is lower BOM cost and tighter control-loop latency than solutions built from an MCU plus discrete analog front end.
Recommended
Automotive and Industrial CAN FD Nodes
The integrated CAN FD module makes this DSC a natural node controller for body electronics, gateways and industrial field devices migrating from classical CAN. CAN FD raises data-phase bit rate and payload to 64 bytes, cutting bus latency for sensor-dense nodes. The 100 MHz core has ample headroom to run application logic, protocol stacks and diagnostics concurrently, and four DMA channels move CAN frames and ADC results without CPU intervention. The DSPIC33CK64MP506T-E/MR variant adds the -40C to +125C extended grade required for under-hood and high-ambient industrial installations on the identical PCB footprint, enabling one layout across temperature grades.
Recommended
Advanced Sensing and Control Systems
Sensor front ends benefit directly from this part's analog integration: three op-amps implement gain stages for bridge, thermocouple or current-sense signals, and three comparators provide threshold detection, while the 16-bit ADC pipeline (triggered via PTG and serviced by DMA) samples autonomously of the CPU. The 100 MHz DSP engine then applies digital filtering and compensation algorithms with single-cycle MAC throughput. In applications such as precision power monitoring, weigh scales and industrial process control, this level of on-chip integration replaces a discrete amplifier-plus-ADC-plus-MCU chain, reducing component count, board area and inter-channel mismatch, with CAN FD or UART links reporting results upstream.
Recommended
High-Efficiency LED Lighting and Electronic Ballasts
Digitally controlled LED drivers use the high-resolution PWM to dim with fine resolution and to shape current waveforms that avoid visible flicker, while fast comparators protect the power stage against short circuits and inrush. The DSPIC33CK64MP506T-I/MR's 100 MHz core supports single-stage topologies with power-factor correction executed in firmware, and its op-amps close the current loop around shunt resistors without extra ICs. Multiple PWM channels from the 64-pin package can drive multi-string or multi-channel luminaires in synchronization. The CAN FD or UART interfaces integrate the luminaire into DALI-over-alternative or building-automation networks for remote dimming and diagnostics.
Recommended
Embedded Control and IoT Industrial Gateways
As a general embedded controller, this DSC combines rich connectivity (multiple UART, SPI, I2C plus CAN FD) with DSP capability for on-node signal processing - useful in industrial gateways that aggregate sensors, pre-process vibration or current signatures, and forward only meaningful events. The 64 KB Flash holds protocol stacks plus application code, 8 KB RAM buffers multi-protocol traffic, and four DMA channels keep communication overlapped with computation. The Peripheral Trigger Generator orchestrates time-critical sampling without CPU load. Operating from a single 3.3 V rail with a 9x9 mm exposed-pad QFN, the part integrates cleanly into dense industrial PCBs alongside RS-485/CAN FD transceivers.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP506T-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP506-I/MR | DSPIC33CK64MP506T-E/MR | DSPIC33CK128MP506-E/MR | DSPIC33CK32MP506-E/MR |
|---|---|---|---|---|---|
| Package | 64-QFN (MR), 9x9 mm | 64-QFN (MR) - same | 64-QFN (MR) - same | 64-QFN (MR) - same | 64-QFN (MR) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 128 KB | 32 KB |
| CAN Interface | CAN FD | CAN FD | CAN FD | CAN FD | CAN FD |
| Temperature Range | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| On-chip Op-Amps / Comparators | 3 / 3 | 3 / 3 | 3 / 3 | 3 / 3 | 3 / 3 |
Key Differentiators
- Full 100 MHz speed grade at industrial temperature (vs DSPIC33CK64MP506T-E/MR)
- Optimal 64 KB Flash for mid-complexity control firmware (vs DSPIC33CK128MP506-E/MR)
- Tape-and-reel for automated assembly (vs DSPIC33CK64MP506-I/MR)
- Integrated 3 op-amps / 3 comparators (vs DSPIC33CK32MP506-E/MR)
Design Notes
The MR 64-QFN is a 9x9 mm body with an exposed pad that must be soldered to a VSS ground array. Use an array of thermal vias (0.3 mm drill, filled or tented) under the pad to tie ground planes together and improve heat spreading. Follow the datasheet mechanical drawing for the land pattern exactly; QFN pad self-alignment during reflow only works if pad geometry is correct. Inspect with X-ray or 2D X-ray sampling on first articles to catch pad voiding.
Supply each VDD/VSS pair with a local 100 nF ceramic placed within 2 mm of the pins, plus bulk 4.7-10 uF near the device. In digital power applications the DSC shares a board with switching stages: star-ground or partition the control ground from the power ground and connect them only at the exposed pad region. At 100 MHz and 3.3 V, keeping the AVDD rail filtered (ferrite + 1 uF) measurably improves ADC accuracy in current-loop designs.
CAN FD bit timing at data-phase rates is sensitive to clock source accuracy. For bus lengths and rates near the top of the CAN FD specification, prefer an external crystal over the internal FRC oscillator and verify the transmitter delay compensation setting per the CAN FD module chapter of the datasheet. Keep CANH/CANL routed as a tightly coupled differential pair with a stub length under the module datasheet recommendation.
Order-code confusion is common in this family: the T suffix means tape-and-reel, not a different device; I/E/H suffixes are temperature grades. The E-grade variant is listed in some distributor catalogs with a 64 MHz figure - always confirm the speed grade against the Microchip ordering-information table before approving a substitution. Also note the 24-bit-wide Flash architecture: 64 KB Flash refers to instruction-word storage, so effective code capacity differs from byte-addressed MCU comparators.
Compliance Information
Compliance data was not present in the verified web data. Microchip catalog parts of this family are typically RoHS-compliant lead-free, but confirm on the official Microchip product page before claiming compliance.
