DSPIC33CK512MP605-I/M7 - 100MIPS 512KB Flash DSC 48-VQFN | Microchip
MPN: DSPIC33CK512MP605-I/M7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.55 | $55.50 |
| 100 | $4.95 | $495.00 |
| 500 | $4.45 | $2,225.00 |
| 1,000 | $3.98 | $3,980.00 |
DSPIC33CK512MP605-I/M7 Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the preferred choice for closed-loop, time-critical control loops such as field-oriented motor control, digital power conversion, and sensor fusion.
Key features include the 100 MHz dsPIC33C core with DSP instructions, dual-panel flash supporting live firmware updates, CAN FD for automotive and industrial networking, integrated operational amplifiers that offload external analog front-ends, and 12-bit ADCs capable of high-speed sampling for current-loop feedback. Eight DMA channels move data without CPU intervention, and high-resolution PWM peripherals generate the precise switching waveforms required by digital power stages.
Architecturally, the dsPIC33CK512MP605 uses CMOS technology with a pipelined 16-bit core, hardware multiply-accumulate (MAC) units, and deterministic interrupt latency, so control-loop timing remains predictable even under heavy peripheral load. The dual-panel flash architecture allows code execution from one panel while erasing or programming the other, a critical capability for field-updatable industrial products. The 39 general-purpose I/O lines and multiple serial interfaces (3 serial I/O interfaces per distributor data) give designers ample connectivity in the compact 6x6 mm footprint.
Typical applications include high-performance precision motor control (BLDC, PMSM, FOC), digital power supplies and solar inverters, battery charging systems, and industrial automation nodes using CAN FD. The integrated op-amps and 12-bit ADCs directly support shunt-current sensing in motor-drive designs, reducing BOM cost.
Design consideration: the 3.0 V to 3.6 V supply window means the part is not 5 V tolerant in the classic sense; level-shifting or 3.3 V logic interfaces should be planned early, and the exposed pad of the VQFN-EP-48 must be soldered to a ground pour for thermal and signal integrity.
This page synthesizes distributor pricing data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with specifications verified against Microchip and distributor listings as of 2026-09-23.
Drop-in alternatives for DSPIC33CK512MP605-I/M7 β 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 DSPIC33CK512MP605-I/M7 (same form factor and footprint) β differing in Mounting Type, Operating Temperature, Package, Program Memory (Flash).
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC33CK512MP605-E/M7
β Drop-Inπ Reference alternative (not in catalog)
DSPIC33CK512MP604-I/M7
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33CK256MP505-I/M4
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33CK512MP605-I/M7 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33C 16-bit DSC core with integrated DSP |
| Core Performance | 100 MIPS (100 MHz) |
| Program Memory (Flash) | 512 KB (512K x 8), dual-panel |
| RAM | 64 KB (64K x 8) |
| Supply Voltage | 3 V to 3.6 V |
| Number of I/O | 39 |
| DMA Channels | 8 |
| ADC Resolution | 12-bit |
| Integrated Op-Amps | Yes |
| CAN Interface | CAN FD |
| PWM | High-resolution PWM peripherals |
| Serial Interfaces | 3 serial I/O interfaces |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 48-VQFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Technology | CMOS |
DSPIC33CK512MP605-I/M7 48-vqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33CK512MP605-I/M7 (48-vqfn (6x6 mm) with 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 DSPIC33CK512MP605-I/M7.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK512MP605-I/M7 is suitable for 6 applications: Precision Motor Control (FOC), Digital Power Conversion, Industrial CAN FD Networking Nodes, Battery Management and Charging Systems, Sensor Signal Processing and Data Acquisition, Appliance and HVAC Inverter Drives.
Precision Motor Control (FOC)
The DSPIC33CK512MP605-I/M7 is purpose-built for high-performance, precision motor control. Its 100 MIPS dsPIC33C core executes field-oriented control (FOC) current loops at tens of kHz with deterministic interrupt latency, while the integrated operational amplifiers amplify shunt-resistor phase currents directly into the 12-bit ADCs, eliminating external op-amp circuitry. The high-resolution PWM peripherals deliver fine duty-cycle and phase resolution for quiet, energy-efficient PMSM and BLDC drives. Placed as the sole control IC in a three-phase inverter, it runs the speed, current, and position loops plus CAN FD communication concurrently; the main trade-off is the 3.0 V to 3.6 V supply window, which requires gate-driver logic-level compatibility planning.
Recommended
Digital Power Conversion
In digital power supplies, LLC converters, and solar micro-inverters, the DSPIC33CK512MP605-I/M7 provides the high-resolution PWM needed for frequency and phase-shift control of resonant topologies, with 512 KB dual-panel flash holding compensation, protection, and communication firmware with headroom for field updates. The 12-bit ADCs sample output voltage and current with the 8 DMA channels streaming results without CPU overhead, keeping loop latency predictable. According to Microchip, the dsPIC33CK family is optimized for digital power. The key design consideration is supply regulation: the 3 V to 3.6 V rail should be generated by a local LDO with adequate decoupling for ADC noise performance.
Recommended
Industrial CAN FD Networking Nodes
The integrated CAN FD controller of the DSPIC33CK512MP605-I/M7 makes it a strong fit for industrial fieldbus nodes, CANopen devices, and J1939 gateways that need larger payloads and faster data phases than classic CAN. The 100 MIPS core processes protocol stacks, application logic, and digital filtering simultaneously, while 512 KB flash accommodates firmware-update images via the dual-panel architecture - one panel runs live code while the other is reprogrammed, enabling A/B image swapping in the field. Paired with a CAN FD transceiver, the node handles 5 Mbit/s data phases; ensure proper level matching since the DSC operates from 3 V to 3.6 V.
Recommended
Battery Management and Charging Systems
Battery chargers and battery management units benefit from the DSPIC33CK512MP605-I/M7's combination of 12-bit ADCs, integrated op-amps for current sensing, and high-resolution PWM for multi-phase buck charging stages. The 100 MIPS core runs charge-state algorithms (CC/CV, balancer logic, protection state machines) with plenty of margin, and 64 KB RAM supports logging buffers. Dual-panel flash allows safe firmware updates in installed products - critical for long-lifetime battery systems. Designers should dedicate the ADC DMA channels to periodic current sampling and account for the -40C to +85C industrial temperature range when mounting the controller near power stages.
Recommended
Sensor Signal Processing and Data Acquisition
The DSPIC33CK512MP605-I/M7 serves as a compact data-acquisition and signal-processing controller: its integrated DSP engine executes FIR/IIR filtering, FFT windowing, and fast Fourier transforms on samples from the 12-bit ADCs, while the DMA engine moves conversion results to RAM without CPU intervention. The three serial I/O interfaces connect to external precision converters or sensors, and CAN FD or UART links stream processed results upstream. With 512 KB flash, large lookup tables and calibration data reside on-chip. For highest analog accuracy, keep the VQFN exposed pad well-grounded and add local decoupling to reduce digital switching noise coupling into ADC references.
Recommended
Appliance and HVAC Inverter Drives
Home appliances, air-conditioner compressors, and HVAC blower drives require quiet, efficient variable-speed motor control in cost-sensitive volumes - exactly the target of the dsPIC33CK512MP605-I/M7. A single controller runs sensorless FOC with sliding-mode or flux observers on the 100 MIPS core, generates the PWM drive through the high-resolution PWM module, and reports status over CAN FD or UART to the appliance's main board. The integrated op-amps reduce BOM cost in single-shunt current-sensing designs, and the 48-pin VQFN (6x6 mm) keeps the drive PCB compact. Firmware field updates via dual-panel flash simplify post-deployment tuning in the field.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK512MP605-I/M7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK512MP605-E/M7 | DSPIC33CK512MP604-I/M7 | DSPIC33CK256MP505-I/M4 |
|---|---|---|---|---|
| Package | 48-VQFN (6x6 mm) with EP | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same family footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 100 MIPS (100 MHz) | 100 MIPS (100 MHz) | 100 MIPS (100 MHz) | 100 MIPS (100 MHz) |
| Flash Memory | 512 KB dual-panel | 512 KB dual-panel | 512 KB dual-panel | 256 KB dual-panel |
| RAM | 64 KB | 64 KB | 64 KB | 32 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| CAN FD | Yes | Yes | Yes | Yes |
| 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 |
Key Differentiators
- 512 KB dual-panel flash enables live field firmware updates (vs DSPIC33CK256MP505-I/M4)
- Full peripheral complement (39 I/O, op-amps, multiple serial channels) (vs DSPIC33CK512MP604-I/M7)
- Extended-temperature upgrade path within the same footprint (vs DSPIC33CK512MP605-E/M7)
Design Notes
The DSPIC33CK512MP605-I/M7 requires a tightly regulated 3.0 V to 3.6 V supply with no 5 V operation. Generate the 3.3 V rail locally from a low-noise LDO rather than a buck converter when ADC accuracy matters, and place a 10 uF bulk plus 0.1 uF ceramic capacitor at each VDD pin pair. Estimated: with typical operating current in the tens-of-mA range at 3.3 V, power dissipation is well under 200 mW, so no heatsinking is needed - but verify against the datasheet current-consumption tables for your clock configuration.
The M7 VQFN has an exposed thermal pad that must be soldered to a ground pour, not left floating. The pad provides both the primary ground connection and thermal relief; a floating exposed pad is a common cause of erratic grounding and intermittent failures. Use an array of small vias (e.g., 4x4 grid of 0.3 mm vias) under the pad to tie it to internal ground planes, following standard Microchip VQFN layout guidance, and keep the PGEC/PGED programming pair traces short and away from PWM switching nodes.
ICSP programming requires matching PGECx/PGEDx pairs: if PGEC2 is used for ICSPCLK, ICSPDAT must connect to PGED2, per the dsPIC33CK512MP605 ICSP documentation. Mixing pairs from different channels prevents programming. Also note the -I temperature grade stops at +85C; placing the controller near motor-drive power stages can push local ambient beyond this - use the DSPIC33CK512MP605-E/M7 (-40C to +125C, same package) if your thermal estimate approaches the limit.
For CAN FD nodes, keep the transceiver (e.g., MCP2562FD) within a few centimeters of the CANTX/CANRX pins and stub lengths under 0.3 m to preserve 5 Mbit/s data-phase integrity. For motor-control PWM outputs, route the high-resolution PWM traces away from the analog front-end and ADC reference traces; the integrated op-amps reduce external routing but do not isolate the die from board-level coupling. A solid ground plane under the analog section is strongly recommended.
Compliance Information
Standard Microchip catalog part; RoHS/lead-free per standard Microchip production (I-grade commercial/industrial, not AEC-Q100 qualified). Confirm exact REACH and halogen-free status on the Microchip product page environmental data sheet.
