DSPIC33CK512MP306T-I/MR - 16-Bit 100MIPS DSC 512KB Flash | Microchip
MPN: DSPIC33CK512MP306T-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.21 | $62.10 |
| 100 | $5.52 | $552.00 |
| 500 | $4.97 | $2,485.00 |
| 1,000 | $4.48 | $4,480.00 |
DSPIC33CK512MP306T-I/MR Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power management hierarchy, the DSC sits above a general-purpose MCU and is optimized for closed-loop control math - fast multiply-accumulate operations, deterministic interrupts, and precision analog peripherals - making it the preferred choice for motor control, digital power conversion, and sensing systems.
Key features include a 100 MHz dsPIC33CK core delivering 100 MIPS peak performance, 512 KB of on-chip FLASH with live update support, 64 KB of RAM for control-loop buffers and communication stacks, 53 general-purpose I/O pins, and 8-channel DMA for offloading data movement from the CPU. The device operates from a 3 V to 3.6 V single supply and is rated for industrial temperature ranges (-40C to +85C per the -I suffix).
Architecturally, the dsPIC33CK family integrates DSP-enhanced instructions, a high-resolution 32-bit debug/trace capability, and peripherals designed for precision motor control such as high-speed PWM, analog comparators, and op-amps on related family members. The single-core design with an auxiliary processing unit simplifies firmware compared to dual-core alternatives while still providing the deterministic timing needed for field-oriented control (FOC).
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, digital power supplies and PFC stages, solar inverters, and industrial sensing nodes. The absence of an on-chip CAN module (per distributor data) makes it best suited to designs using UART, SPI, I2C, or QEI interfaces instead of automotive networking.
Design consideration: supply the 3.3 V rail with tight tolerance (3 V to 3.6 V) and decouple the VDD/VDDCORE pins per the Microchip datasheet layout guidance; core-logic stability directly affects oscillator and ADC accuracy.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK512MP306T-I/MR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK512MP306-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK512MP306T-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK512MP306T-H/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK512MP306T-I/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK, 16-bit single core |
| Maximum Clock Frequency | 100 MHz |
| Peak Performance | 100 MIPS |
| Program Memory Size | 512 KB (512K x 8) FLASH |
| Data RAM Size | 64 KB (64K x 8) |
| Supply Voltage Range | 3 V to 3.6 V |
| Number of I/Os | 53 |
| DMA Channels | 8 |
| External Interrupts | 4 |
| CAN Module | No |
| Package | 64-QFN (9x9 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, -I suffix) |
| Packaging | Tape & Reel (T suffix) |
| Product Type | Digital Signal Controller (DSC) |
DSPIC33CK512MP306T-I/MR 64-qfn (9x9 mm) Pin Configuration Guide
Pin configuration for DSPIC33CK512MP306T-I/MR (64-qfn (9x9 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 DSPIC33CK512MP306T-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK512MP306T-I/MR is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Solar Inverters and MPPT, Industrial Sensing and Condition Monitoring, Robotics and Servo Drives, Test and Measurement Instruments.
BLDC/PMSM Motor Control
The DSPIC33CK512MP306T-I/MR is a primary fit for precision brushless DC and permanent-magnet synchronous motor drives. Microchip positions the dsPIC33CK family specifically for high-performance motor control: the 100 MIPS single core executes field-oriented control (FOC) loop math with DSP multiply-accumulate instructions at deterministic timing, while 8 DMA channels stream ADC samples without CPU intervention. The 512 KB FLASH accommodates control firmware, compensation tables, and diagnostic routines, and 64 KB RAM holds phase-current history buffers. The part drives high-resolution PWM peripherals to the gate driver stage; the notable constraint is the absence of CAN, so higher-level networking must use UART/SPI or an external CAN controller.
Recommended
Digital Power Conversion
For digital power supplies, PFC stages, and DC-DC converters, the DSPIC33CK512MP306T-I/MR provides the deterministic 100 MIPS core needed for current-mode control loops switching at hundreds of kHz. The 64 KB RAM supports multi-channel control-state storage, and the 53 I/O pins interface PWM outputs, fault inputs, and housekeeping ADC signals across the power stage. Because the device runs from a regulated 3 V to 3.6 V supply, designers pair it with a small LDO or buck fed from the auxiliary winding. The live-update FLASH capability allows firmware field upgrades of control coefficients in deployed units - a practical advantage for inverter and telecom-rectifier platforms that evolve over product lifetime.
Recommended
Solar Inverters and MPPT
Grid-tied and off-grid solar inverters require simultaneous MPPT tracking, grid-synchronization math, and protection supervision - workloads the DSPIC33CK512MP306T-I/MR handles with its 100 MHz core and DSP-enhanced instruction set. The 512 KB FLASH stores phase-locked-loop, MPPT, and grid-code firmware with margin for future standard updates, while the 8-channel DMA moves sampled DC-bus and grid-voltage/current data to RAM buffers continuously. With no CAN module on this variant, inverter-to-monitor communication typically uses UART or SPI, or the MP50x family member is chosen when CAN networking is mandated. The 64-QFN (9x9 mm) footprint fits compact power-electronics controller boards.
Recommended
Industrial Sensing and Condition Monitoring
Vibration, current, and acoustic condition-monitoring nodes benefit from the DSPIC33CK512MP306T-I/MR's combination of DSP throughput and low peripheral-count integration. FFT windowing and spectral-analysis routines execute efficiently on the 100 MIPS core with hardware multiply-accumulate, while 64 KB RAM buffers sample frames from externally interfaced precision ADCs over SPI. The industrial -40C to +85C rating (the -I temperature suffix) suits factory-floor and pump-house environments, and the -E extended-temperature drop-in variant covers hotter enclosures. UART and I2C links publish results to plant SCADA gateways; 8 DMA channels keep CPU load low during continuous acquisition, extending battery life in wireless monitoring retrofits.
Recommended
Robotics and Servo Drives
Compact robotic joints and servo axes demand closed-loop control at multi-kHz rates with encoder feedback - exactly the dsPIC33CK512MP306T-I/MR's design target. The 100 MHz core runs FOC or trapezoidal commutation while concurrently handling quadrature-encoder decoding and trajectory commands over UART/SPI from a supervisory controller. With 53 I/O pins, the part directly interfaces limit switches, brake releases, and safety interlocks without external expansion. Firmware lives comfortably in 512 KB FLASH, leaving room for calibration profiles per joint. For safety-critical axes, Microchip's FuSa (functional safety) support noted in distributor data assists with IEC 61508-oriented documentation on the dsPIC33CK platform.
Recommended
Test and Measurement Instruments
Handheld and benchtop instruments - data loggers, power analyzers, sensor calibrators - use the DSPIC33CK512MP306T-I/MR as the processing and control hub. Its 100 MIPS core performs waveform math and averaging; 8 DMA channels sustain continuous ADC streaming to the 64 KB RAM; and 512 KB FLASH stores instrument firmware, calibration tables, and log structures. The 3 V to 3.6 V operation simplifies battery-powered designs, and the -I industrial rating covers typical lab and field temperature extremes. Debug is straightforward via MPLAB X with standard ICD/ICE hardware tools, shortening firmware iteration cycles during instrument development and certification testing.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK512MP306T-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK512MP306-I/MR | DSPIC33CK512MP306T-E/MR | DSPIC33CK512MP306T-H/MR |
|---|---|---|---|---|
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | 16-bit dsPIC33CK, 100 MHz, 100 MIPS | identical (same die) | identical (same die) | identical (same die) |
| FLASH Memory | 512 KB | 512 KB | 512 KB | 512 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) | extended/automotive-grade rating |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Packaging / Delivery | Tape & Reel | Tube/Tray | Tape & Reel | Tape & Reel |
Key Differentiators
- Single-core simplicity at full 100 MIPS (vs DSPIC33CH512MP506T-I/PT)
- Extended-temperature drop-in available (vs DSPIC33CK512MP306T-E/MR)
- Large memory for control-heavy firmware (vs DSPIC33CK32MP506-E/MR)
Design Notes
Supply VDD from a tightly regulated 3.0 V to 3.6 V rail - the dsPIC33CK core regulator requires proper external decoupling (per the Microchip dsPIC33CK family datasheet) on VDDCORE. Budget the controller supply separately from the power stage; control-loop glitches from shared-rail switching noise degrade ADC accuracy and PWM timing. Estimated: a 3.3 V LDO rated at 100-150 mA covers the controller plus a few aux loads, since DSC core consumption is modest relative to the motor drive stage.
For the 64-QFN (9x9 mm) MR package, the exposed thermal pad and perimeter pads should connect to a solid ground plane with an array of thermal vias. Place 0.1 uF decoupling capacitors within 2-3 mm of each VDD pin pair, plus bulk 4.7-10 uF near the package. Route high-current PWM traces away from analog sense lines feeding the ADC; keep the crystal or internal-oscillator region free of switching-node coupling. Follow the Microchip high-speed layout guidance in the family datasheet.
This variant has NO CAN module - designs requiring automotive/industrial CAN networking must either select an MP50x family part or add an external CAN controller over SPI, a late-stage BOM change that is easy to miss. Also verify the temperature suffix at purchase: the -I grade tops out at +85C; motor-drive enclosures regularly exceed this, where the -E variant (-40C to +125C, same footprint) should be specified instead. Finally, confirm RAM allocation - 64 KB is ample for control loops but tight for large FFT/protocol stacks combined.
Compliance Information
Compliance status was not explicitly stated in the provided verified web data; verify RoHS/REACH status on the Microchip product page or distributor compliance documents before procurement.
