DSPIC33CK64MC102-E/2N - 16-bit 100MHz DSC 64KB Flash | Microchip
MPN: DSPIC33CK64MC102-E/2N ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.12 | $4.12 |
| 10 | $3.71 | $37.10 |
| 100 | $3.3 | $330.00 |
| 500 | $2.98 | $1,490.00 |
| 1,000 | $2.68 | $2,680.00 |
DSPIC33CK64MC102-E/2N Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33CK family sits in the broader class of 16-bit microcontrollers and digital signal processors, targeting real-time closed-loop control where deterministic interrupt latency, high-resolution pulse-width modulation, and fast analog feedback are essential, such as motor control, digital power conversion, and advanced sensing.
Key features of this device include the dsPIC33CK DSC core with DSP instruction extensions and modified Harvard architecture, up to 64 KBytes of program flash with ECC and fault-injection testing capability, and functional-safety (FuSa) support. The analog front end integrates three on-chip operational amplifiers, one comparator, and 12-bit high-speed ADCs, reducing external component count in current-sense and feedback signal chains.
On the actuation side, the device provides high-resolution PWM peripherals suited to digital power supplies, PFC stages, and brushless DC motor drives. According to Microchip product documentation, the dsPIC33CK64MC10X family operates from 3.0 V to 3.6 V and supports DC to 100 MIPS over -40C to +125C (DC to 70 MIPS up to +150C per the datasheet operating-range table), making it suitable for industrial environments with demanding thermal profiles.
Typical applications include brushless and permanent-magnet motor control, digital AC-DC and DC-DC power supplies, and advanced sensing and touch interfaces, where the on-chip op amps buffer current-shunt signals directly into the 12-bit ADC for high-bandwidth control loops.
A key design consideration is supply compliance: the device is a 3.3 V-class controller, so 5 V systems require level shifting on digital I/O, and the exposed pad of the UQFN package should be soldered to a ground plane for thermal and signal-integrity reasons.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MC102-E/2N — 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 DSPIC33CK64MC102-E/2N (same form factor and footprint) — differing in Operating Temperature, Package, PWM, ADC, Data SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MC102-I/2N
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK64MC102-E/M6
✅ Drop-In✓ In Stock
$3.02 / Unit
View Datasheet →DSPIC33CK64MC102-I/M6
✅ Drop-In✓ In Stock
$0.42 / Unit
View Datasheet →DSPIC33CK32MC102T-I/2N
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33CK64MC102-E/2NVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK64MC102-E/2N Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| CPU Speed | 100 MHz (up to 100 MIPS) |
| Program Flash | 64 KB with ECC and fault injection testing |
| Data SRAM | 8 KB with MBIST |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (up to 100 MIPS); -40C to +150C (up to 70 MIPS) |
| ADC Resolution | 12-bit high-speed ADC |
| On-chip Op Amps | 3 |
| Comparators | 1 |
| PWM | High-resolution PWM |
| Package | 28-UQFN (6x6 mm) |
| Mounting Type | Surface Mount |
| Functional Safety | FuSa (Functional Safety) variant |
| Architecture | Modified Harvard, DSP-enhanced |
| Number of Pins | 28 |
| Temperature Grade | Automotive (E, extended) |
DSPIC33CK64MC102-E/2N 28-uqfn (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33CK64MC102-E/2N (28-uqfn (6x6 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 DSPIC33CK64MC102-E/2N.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MC102-E/2N is suitable for 6 applications: Brushless DC / PMSM Motor Control, Digital AC-DC and DC-DC Power Supplies, Advanced Sensing and Touch Interfaces, Industrial Automation and PLC I/O Modules, Automotive-Adjacent and Harsh-Environment Control, Embedded Control in Consumer and IoT Devices.
Brushless DC / PMSM Motor Control
The DSPIC33CK64MC102-E/2N fits motor control because its 100 MHz dsPIC33CK core executes 100 MIPS of DSP-enhanced instructions, allowing field-oriented control (FOC) loops to run at switching frequencies well above 20 kHz with deterministic latency. The high-resolution PWM stage provides fine duty-cycle resolution for smooth torque delivery on three-phase inverters, while the three on-chip op amps buffer low-side shunt current signals directly into the 12-bit high-speed ADC, eliminating external amplifier ICs. In a typical FOC implementation, phase currents are sampled synchronously with PWM center alignment, and the single comparator provides hardware overcurrent trip protection without CPU intervention. The -E extended temperature rating of -40C to +125C covers enclosed industrial drive environments where ambient temperatures near heat-generating power stages regularly exceed 85C, and ECC-protected flash maintains firmware integrity under electrically noisy motor-switching conditions.
Recommended
Digital AC-DC and DC-DC Power Supplies
The DSPIC33CK64MC102-E/2N is well suited to digital power conversion because the combination of a 12-bit high-speed ADC and high-resolution PWM allows voltage-mode or current-mode control loops for buck, boost, PFC, and LLC topologies to be closed entirely in firmware at 100 MIPS. The on-chip comparator trips in hardware for cycle-by-cycle overcurrent protection - a critical safety function that must not wait on software. The three integrated op amps condition current-shunt and output-voltage feedback signals, reducing bill-of-material cost versus discrete amplifier designs. With 64 KB of ECC-protected flash, firmware for state machines, housekeeping, and communication protocols (SMBus/PMBus-style telemetry) fits comfortably, and the 8 KB SRAM with MBIST supports safety-oriented designs. The 3.0 V to 3.6 V operating range matches a standard 3.3 V bias rail commonly available in switched-mode power supplies.
Recommended
Advanced Sensing and Touch Interfaces
Microchip positions the dsPIC33CK64MC10X family for advanced sensing and control, and the DSPIC33CK64MC102-E/2N fits this role through its integrated analog front end: the 12-bit high-speed ADC samples sensor channels at high rates, and the three on-chip op amps provide programmable-gain buffering for bridge sensors, thermistors, and current transducers without external amplification. The 100 MIPS DSP core applies filtering algorithms such as IIR/FIR and oversampling to improve effective resolution beyond the raw 12-bit converter spec. Capacitive-touch functionality supported by the family enables human-interface panels on the same controller that runs the primary control loop. The -40C to +125C extended temperature grade (E suffix) supports sensing nodes in industrial enclosures, automotive-adjacent bays, and outdoor equipment, while ECC flash protects measurement firmware from single-bit upsets in electrically noisy environments.
Recommended
Industrial Automation and PLC I/O Modules
In factory automation, the DSPIC33CK64MC102-E/2N serves as a compact real-time controller for I/O modules, actuator drivers, and local closed-loop sub-systems. Its 100 MHz core handles deterministic control tasks while leaving headroom for communication protocol stacks; the DSP instruction set accelerates digital filtering on analog inputs, converting noisy 12-bit ADC samples into clean engineering values. The extended -40C to +125C operating range suits control cabinets near motors, drives, and heating elements where ambient temperatures exceed consumer-grade limits, and operation up to +150C at reduced 70 MIPS per the datasheet table covers extreme mounting points. The UQFN-28 (6x6 mm) footprint minimizes module PCB area for high-density I/O cards. ECC-protected program flash with fault-injection testing and SRAM MBIST provide hardware health-monitoring mechanisms valued in safety-conscious automation architectures.
Recommended
Automotive-Adjacent and Harsh-Environment Control
The -E temperature grade of the DSPIC33CK64MC102-E/2N supports -40C to +125C full-speed operation and up to +150C at 70 MIPS per the Microchip datasheet operating-range table, making it appropriate for harsh-environment control units near engines, power electronics, or industrial heat sources. DigiKey lists the part under Digital Signal Controllers with automotive temperature classification (HVQCCN no-lead package per Partstack package data). The 12-bit ADC and three op amps condition resistive and inductive sensors common in vehicular and heavy-equipment systems, the high-resolution PWM drives actuators and small motor loads, and ECC flash plus SRAM MBIST give designers hardware diagnostic hooks for reliability monitoring. Designers targeting formal automotive qualification should confirm the specific qualification level required by their program with Microchip before release.
Recommended
Embedded Control in Consumer and IoT Devices
For smart appliances, power tools, and IoT edge nodes with motorized or power-conversion sub-systems, the DSPIC33CK64MC102-E/2N provides a single-chip control solution: the 100 MIPS core runs the application, the high-resolution PWM drives the motor or converter stage, and the analog front end (3 op amps, 1 comparator, 12-bit ADC) handles feedback, all in a compact 6x6 mm UQFN-28 package that conserves board area in cost- and size-sensitive products. The 3.0 V to 3.6 V supply range matches standard 3.3 V rails from low-cost buck or LDO regulators. Family scalability matters for product lines: designs can start on the 32 KB DSPIC33CK32MC102 and move to this 64 KB part, or upward to higher-memory family members, reusing the pin-compatible UQFN-28 footprint and common firmware architecture to shorten derivative development cycles.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MC102-E/2N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MC102-I/2N | DSPIC33CK64MC102-E/M6 | DSPIC33CK32MC102T-I/2N |
|---|---|---|---|---|
| Package | 28-UQFN (6x6 mm) | 28-UQFN (6x6 mm) - same | 28-pin /M6 suffix package variant | 28-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Program Flash | 64 KB (ECC) | 64 KB (ECC) | 64 KB (ECC) | 32 KB |
| SRAM | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB (MBIST) | 8 KB |
| Operating Temperature | -40C to +125C (E, extended) | -40C to +85C (I, industrial) | -40C to +125C (E, extended) | -40C to +85C (I, industrial) |
| On-chip Op Amps / Comparator | 3 op amps, 1 comparator | 3 op amps, 1 comparator | 3 op amps, 1 comparator | 3 op amps, 1 comparator |
Key Differentiators
- Extended temperature rating for harsh environments (vs DSPIC33CK64MC102-I/2N)
- Double the program memory of the low-cost sibling in the same footprint (vs DSPIC33CK32MC102T-I/2N)
- Integrated analog front end reduces BOM cost (vs DSPIC33CK64MC102-E/M6)
Design Notes
The 28-UQFN (6x6 mm) package has an exposed pad that serves as the primary thermal and ground path. Design the PCB land pattern with a corresponding exposed-pad via array (typically 3x3 or 4x4 vias of ~0.3 mm) tied to the ground plane to ensure reliable solder wetting and low ground impedance. Follow the Microchip datasheet recommended footprint for the /2N UQFN-28 outline; insufficient exposed-pad soldering is the most common cause of thermal and EMI issues with no-lead packages.
The device operates from 3.0 V to 3.6 V. Decouple VDD with at least one 0.1 uF ceramic capacitor placed within 2 mm of each supply pin, plus a bulk 4.7 uF to 10 uF capacitor near the device. When PWM-driven motor or power stages share the same board, isolate the controller 3.3 V rail from switching noise with a ferrite bead or a dedicated low-noise regulator, because ADC accuracy on the 12-bit converter degrades with supply ripple.
When substituting between temperature grades (-E vs -I) or package suffixes (/2N vs /M6), verify the exact datasheet operating-range table: the datasheet states -40C to +125C at DC to 100 MIPS but only DC to 70 MIPS above +125C up to +150C. Designs relying on full 100 MIPS operation must not exceed +125C junction temperature. Also confirm flash usage fits within 64 KB before migrating down to the 32 KB DSPIC33CK32MC102 variant in the same footprint.
Compliance Information
Compliance data not present in the retrieved web data. The -E suffix denotes extended temperature grade, not AEC-Q100 qualification; verify formal automotive qualification status with Microchip if required.
