DSPIC33CK64MC102T-I/M6 - 100MHz 64KB Flash DSC | Microchip
MPN: DSPIC33CK64MC102T-I/M6 ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33CK64MC102T-I/M6 Overview
A Digital Signal Controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic behavior of a microcontroller. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the standard choice for closed-loop real-time control systems such as Field-Oriented Control (FOC) motor drives, where sensing, computation, and PWM generation must complete within a single control period.
Key features of the DSPIC33CK64MC102T-I/M6 include operation from 3.0 V to 3.6 V across -40C to +125C (up to 100 MIPS), three integrated operational amplifiers, one comparator, a 12-bit ADC, high-resolution PWM, and a Programmable Gain Amplifier-based analog front end suited for advanced sensing. The program Flash includes ECC and fault-injection test support, and the SRAM includes Memory Built-In Self-Test (MBIST), supporting functional safety (FuSa) development per DigiKey categorization.
Architecturally, the modified Harvard dsPIC33CK core executes DSP instructions with single-cycle MAC operation and deterministic interrupt latency, essential for tight control loops. Four DMA channels offload data movement between ADC results and RAM without CPU intervention, freeing cycles for the control algorithm. Per Mouser listing, the part integrates 3 op amps, 1 comparator, and PTG (Peripheral Trigger Generator) hardware.
Typical applications include brushless DC and PMSM motor control (the Microchip low-voltage fan reference design DS50003310A uses this device), digital power supplies and LED drivers, and advanced sensing plus capacitive touch systems where the on-chip op amps condition sensor signals ahead of the 12-bit ADC.
Design consideration: the 3.0 V to 3.6 V supply range requires a clean 3.3 V rail; in the WeEn/Microchip fan reference design, a MIC5205 LDO derives this rail from 10 V, and adequate decoupling plus a low-impedance analog ground are recommended for ADC accuracy.
This page synthesizes verified distributor listings, drop-in alternative analysis, and application guidance not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MC102T-I/M6 — 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 DSPIC33CK64MC102T-I/M6 (same form factor and footprint) — differing in ADC Resolution, Core, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK32MC102T-I/M6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MC102T-E/M6
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK32MC102T-E/M6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MC103T-I/M6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK32MC103T-I/M6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MC102T-I/M6 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC |
| Core Count | 1 |
| Maximum Clock Frequency | 100 MHz |
| Maximum Performance | 100 MIPS |
| Program Flash Size | 64 KB (with ECC) |
| Data RAM Size | 8 KB SRAM (with MBIST) |
| Operating Supply Voltage | 3 V to 3.6 V |
| Operating Temperature Range | -40C to +125C |
| Package / Case | UQFN-28 (4x4 mm) |
| Mounting Style | SMD/SMT |
| On-chip Op Amps | 3 |
| On-chip Comparators | 1 |
| ADC Resolution | 12-bit |
| Product Type | Digital Signal Controllers & Processors (DSC/DSP) |
| Packaging | Reel (Tape and Reel) |
| Functional Safety Support | Yes (FuSa per DigiKey listing) |
| Special Peripherals | PTG (Peripheral Trigger Generator), High-Resolution PWM |
DSPIC33CK64MC102T-I/M6 uqfn-28 (4x4 mm) Pin Configuration Guide
Pin configuration for DSPIC33CK64MC102T-I/M6 (uqfn-28 (4x4 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 DSPIC33CK64MC102T-I/M6.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MC102T-I/M6 is suitable for 6 applications: BLDC/PMSM Motor Control (FOC), Digital Power Supplies, Advanced Sensing Systems, Capacitive Touch Interfaces, Function Safety (FuSa) Industrial Control, Appliance and Consumer Motor Products.
BLDC/PMSM Motor Control (FOC)
The DSPIC33CK64MC102T-I/M6 is engineered for Field-Oriented Control of brushless DC and permanent-magnet synchronous motors, running the full current/speed control loop at its 100 MIPS dsPIC33CK core with deterministic interrupt latency. Its high-resolution PWM generates the inverter gate signals while the 12-bit ADC samples phase currents, and the three integrated op amps amplify shunt-resistor current signals on-chip, eliminating external amplifiers and reducing BOM cost. Microchip's low-voltage fan reference design DS50003310A demonstrates this exact topology. Trade-off: single-core architecture handles one control loop at a time, which is sufficient for most single-motor FOC designs but not for multi-axis simultaneous control.
Recommended
Digital Power Supplies
In digital AC-DC and DC-DC power supplies, the DSPIC33CK64MC102T-I/M6 closes voltage and current feedback loops using its 100 MHz core for fast proportional-integral control, its high-resolution PWM for precise duty-cycle adjustment and phase-shifted bridge driving, and its 12-bit ADC plus on-chip op amp and comparator for sensing and fast overcurrent protection. The 3.0 V to 3.6 V supply range requires a clean regulated 3.3 V rail derived from the converter output or an auxiliary winding. The ECC-protected Flash guards control-firmware integrity in power systems where a corrupted instruction could cause a destructive fault, an advantage over non-ECC general-purpose MCUs in this domain.
Recommended
Advanced Sensing Systems
Sensor signal chains benefit directly from the analog integration of the DSPIC33CK64MC102T-I/M6: three on-chip operational amplifiers condition bridge, thermocouple, or shunt signals ahead of the 12-bit ADC, while the Peripheral Trigger Generator (PTG) sequences ADC sampling and DMA transfers autonomously, sustaining deterministic sample timing without CPU overhead. The 100 MIPS core applies digital filtering and calibration math on captured data in real time. With -40C to +125C industrial temperature rating and SRAM MBIST, the device suits factory automation and environmental monitoring nodes. Design consideration: op amp bandwidth and gain-bandwidth limits must be checked against target sensor signal frequencies per the family datasheet.
Recommended
Capacitive Touch Interfaces
Microchip targets touch applications with the dsPIC33CK MC10X family, and the DSPIC33CK64MC102T-I/M6 implements capacitive touch sensing by using its 12-bit ADC and internal charge-transfer measurement driven by the 100 MHz core, with the three op amps available for signal conditioning in noisy environments. Detection and debounce algorithms run in firmware alongside the main application, so 64 KB Flash accommodates a touch library plus motor or communication code simultaneously. Deterministic execution keeps touch response latency consistent across scan channels. The 4x4 mm UQFN-28 footprint fits compact appliance and consumer control panels where button area dominates PCB space.
Recommended
Function Safety (FuSa) Industrial Control
The DSPIC33CK64MC102T-I/M6 carries functional-safety-oriented hardware: 64 KB program Flash with ECC and a fault-injection testing feature, plus 8 KB SRAM with Memory Built-In Self-Test (MBIST), allowing diagnostic coverage required by safety-oriented industrial equipment such as motor drives with safe-stop functions, robotic actuators, and process-control units. DigiKey explicitly categorizes this MPN under dsPIC Functional Safety (FuSa) Microcontroller ICs. The 100 MIPS core executes the control algorithm while diagnostics run in idle slots, and the -40C to +125C industrial rating covers typical cabinet environments. Developers should pair the hardware with Microchip safety manuals and libraries rather than relying on hardware alone.
Recommended
Appliance and Consumer Motor Products
Fans, pumps, compressors, and small appliances use the DSPIC33CK64MC102T-I/M6 as a single-chip motor controller: it reads hall or sensorless back-EMF feedback through the ADC, runs commutation or FOC firmware in the 100 MIPS core, and drives the power stage with high-resolution PWM. The integrated op amps and comparator reduce external component count, important at consumer price points, and CNX Software's May 2026 report highlights dsPIC33CK Value Line pricing from $0.51 for cost-optimized motor control designs. The 4x4 mm UQFN-28 package and -40C to +125C range fit sealed appliance enclosures with elevated internal temperatures.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MC102T-I/M6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK32MC102T-I/M6 | DSPIC33CK64MC102T-E/M6 | DSPIC33CK64MC103T-I/M6 | DSPIC33CK32MC103T-I/M6 |
|---|---|---|---|---|---|
| Package | UQFN-28 (4x4 mm) | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | dsPIC33CK, 100 MHz / 100 MIPS | dsPIC33CK, 100 MHz / 100 MIPS | dsPIC33CK, 100 MHz / 100 MIPS | dsPIC33CK, 100 MHz / 100 MIPS | dsPIC33CK, 100 MHz / 100 MIPS |
| Program Flash | 64 KB (ECC) | 32 KB (ECC) | 64 KB (ECC) | 64 KB (ECC) | 32 KB (ECC) |
| Data SRAM | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB (MBIST) |
| Operating Temperature | -40C to +125C (industrial) | -40C to +125C | Extended (-E suffix) | -40C to +125C | -40C to +125C |
| On-chip Op Amps / Comparators | 3 op amps / 1 comparator | 3 op amps / 1 comparator | 3 op amps / 1 comparator | Enhanced analog set | Enhanced analog set |
Key Differentiators
- Double the program Flash at identical footprint and cost tier (vs DSPIC33CK32MC102T-I/M6)
- Industrial temperature rating keeps cost down versus extended grade (vs DSPIC33CK64MC102T-E/M6)
- On-chip analog integration reduces BOM (vs DSPIC33CK32MC102T-I/M6 (and generic MCUs without op amps))
Design Notes
Supply the DSPIC33CK64MC102T-I/M6 from a regulated 3.3 V rail within the 3.0 V to 3.6 V datasheet window. In Microchip's low-voltage fan reference design (DS50003310A), a MIC5205 LDO derives the DSC rail from a 10 V bus; a similar LDO or buck with adequate current margin works here. Decouple each VDD pin with 100 nF ceramic capacitance placed within 2 mm of the pin, plus bulk 10 uF near the device. Avoid routing inverter gate-drive return currents through the DSC ground path - use a single-point analog/digital ground junction beneath the UQFN exposed pad.
The UQFN-28 (4x4 mm) package has 0.4-0.5 mm pitch lands and an exposed thermal pad that must be soldered to a grounded copper keep-out for both heat dissipation and signal return. Follow the Microchip family datasheet land-pattern dimensions exactly; use a windowed solder-mask paste stencil (approximately 50-70% pad coverage on the center pad) to prevent bridging on the fine-pitch perimeter lands. Peripheral remapping (PPS) lets you allocate PWM and UART pins to optimal physical locations, so route the high-current PWM traces first with short, wide geometry before committing microcontroller I/O.
The T suffix denotes tape-and-reel delivery - confirm your pick-and-place supports the reel, or order cut-tape quantities. The M6 package is UQFN 4x4; do not confuse it with the /2N (28-pin UQFN 5x5) or /SS (SSOP) package variants of the same silicon, which are NOT footprints-compatible. Flash ECC is active by default and fault-injection features are intended for safety validation - consult the Microchip functional safety documentation before disabling or relying on these diagnostics. ADC accuracy depends on clean AVDD and reference; do not share the analog reference rail with PWM gate-driver supplies.
Estimated: at 100 MIPS with typical activity, the dsPIC33CK core draws on the order of tens of milliwatts; using an indicative 100 mW dissipation and the UQFN-28 exposed-pad thermal resistance of roughly 40-50 C/W on a nominal 2-layer board, junction rise above ambient is only about 4-5 C, well within the -40C to +125C rating. The estimate uses assumed input values because exact theta-JA was not in the verified data - confirm the figure in the datasheet electrical characteristics table for your PCB stack-up.
Compliance Information
Distributor listings for this current-production Microchip part indicate standard RoHS/lead-free production status, but explicit RoHS/REACH/halogen-free certificate values were not itemized in the verified web data as of 2026-09-23; request the material declaration from Microchip. Not an automotive AEC-Q100-listed MPN in the provided data.
