DSPIC33CK128MP206-I/PT - 100MHz 16-bit DSC, 128KB Flash | Microchip
MPN: DSPIC33CK128MP206-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.46 | $3.46 |
| 10 | $3.25 | $32.50 |
| 100 | $3.05 | $305.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.68 | $2,680.00 |
DSPIC33CK128MP206-I/PT Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. Within the power management hierarchy, a DSC sits above a general-purpose MCU for real-time closed-loop control: it executes control-loop mathematics fast enough to regulate switching converters and motor currents at switching frequencies of hundreds of kilohertz while simultaneously managing communication, sensing, and protection tasks on a single chip.
Key features of this device include the 100 MIPS single-core 16-bit dsPIC DSC engine with integrated DSP multiply-accumulate instructions, high-resolution PWM peripherals for precision power conversion, on-chip 12-bit ADCs and integrated operational amplifiers that reduce external analog component count, and CAN Flexible Data-rate (CAN FD) connectivity alongside I2C, SPI, UART/USART, IrDA, and LINbus interfaces. The dual-panel flash architecture enables field firmware updates with live-update fallback, a critical capability for products requiring uninterrupted operation.
Architecturally, the dsPIC33CK uses a modified Harvard architecture with separate program and data buses, hardware loop support, DSP engine, and a deterministic interrupt structure. Brown-out detection and watchdog peripherals support functional-safety-oriented designs; the family is positioned by Microchip for Functional Safety (FuSa) support. Operating conditions are 3.0V to 3.6V at DC to 100 MIPS, with the -I/PT grade qualified from -40C to +85C ambient.
Typical applications include high-performance digital power supplies (totem-pole PFC, LLC converters), precision motor control for BLDC, PMSM, ACIM and stepper machines, advanced sensing and control nodes, and CAN FD-based industrial or automotive-adjacent networking.
Design consideration: at 100 MIPS the core draws its maximum current near 3.6V input; budget supply headroom and decouple all VDD/VDDCORE pins per the Microchip datasheet layout guidance, and verify flash live-update partitioning before production.
This page synthesizes distributor pricing, same-footprint alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK128MP206-I/PT — 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 DSPIC33CK128MP206-I/PT (same form factor and footprint) — differing in Package, CAN Interface, Operating Temperature, Mounting Type, ADC Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK128MP206-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK256MP206
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK32MP206
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK128MP205-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.61 / Unit
View Datasheet →DSPIC33CH128MP206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33CK128MP202-I/2N
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33CK128MP206-I/PT Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33CK 16-bit DSC |
| Core Architecture | Modified Harvard, single-core |
| Maximum Clock Speed | 100 MHz (100 MIPS) |
| Program Flash Size | 128 KB (128K x 8), dual-partition with ECC |
| Data SRAM Size | 16 KB |
| Operating Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (I grade) |
| ADC Resolution | 12-bit (on-chip ADCs) |
| Analog Peripherals | Integrated operational amplifiers (OpAmps) |
| PWM | High-Resolution PWM |
| CAN Interface | CAN Flexible Data-rate (CAN FD) |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Packaging Method | Tray (standard package qty 160) |
| Programming Interface | ICSP (In-Circuit Serial Programming), 8 hardware breakpoints |
| Series | dsPIC 33CK, Functional Safety (FuSa) supported |
DSPIC33CK128MP206-I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33CK128MP206-I/PT (64-tqfp (10x10 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 DSPIC33CK128MP206-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK128MP206-I/PT is suitable for 6 applications: Digital Power Conversion, Precision Motor Control, CAN FD Industrial Networking Nodes, Advanced Sensing and Control, Field-Upgradeable Embedded Systems, Automotive-Adjacent and Mobility Control Units.
Digital Power Conversion
The DSPIC33CK128MP206-I/PT fits digital power applications because its 100 MIPS core executes compensation loops deterministically while the high-resolution PWM delivers the fine duty-cycle and phase resolution demanded by modern topologies such as totem-pole PFC, LLC resonant converters, and interleaved buck stages. The on-chip 12-bit ADCs sample current and voltage feedback at high rates without external front-end ICs, and integrated op-amps can amplify shunt-current signals, removing discrete amplifiers from the BOM. In a typical design the DSC closes the control loop in firmware, switching at hundreds of kilohertz, while the dual-partition flash supports field firmware updates for tuning or feature changes without downtime. The 3.0V to 3.6V supply and -40C to +85C grade suit telecom rectifiers, server PSUs, and industrial power modules.
Recommended
Precision Motor Control
According to Microchip, the dsPIC33CK family enables high-performance, energy-efficient motor control that is quieter and extends motor life, supporting BLDC, PMSM, ACIM, SR, and stepper machines. The DSPIC33CK128MP206-I/PT fits this role with its 100 MHz core running field-oriented control (FOC) loops at high bandwidth, high-resolution PWM for smooth current waveforms and low acoustic noise, and on-chip op-amps plus 12-bit ADCs for dual- or triple-shunt current sensing with minimal external circuitry. Deterministic interrupts keep current-loop timing consistent, directly improving torque ripple. CAN FD connectivity integrates the drive into industrial networks. The 128 KB dual-partition flash stores multiple control profiles and supports safe in-field firmware updates for production motor variants.
Recommended
CAN FD Industrial Networking Nodes
With integrated CAN Flexible Data-rate (CAN FD) alongside I2C, SPI, UART/USART, IrDA, and LINbus, the DSPIC33CK128MP206-I/PT serves as a single-chip intelligent node in industrial control networks. CAN FD's larger payloads and higher data phase make it suitable for machine-control and automation backbones, while the 100 MIPS core handles local real-time tasks - sensing, actuation, protocol handling - concurrently. The device's brown-out detection and watchdog peripherals support robust unattended operation, and the Functional Safety (FuSa) positioning of the 33CK series aids safety-oriented system architectures. The 64-pin TQFP provides enough I/O for local digital and analog functions, letting one chip replace a controller-plus-transceiver-front-end combination in compact networked I/O modules.
Recommended
Advanced Sensing and Control
The DSPIC33CK128MP206-I/PT suits advanced sensing systems because its 12-bit ADCs and integrated op-amps condition and digitize sensor signals on-chip, while DSP multiply-accumulate instructions execute filtering, demodulation, and spectral analysis in real time at up to 100 MIPS. Typical uses include precision instrumentation front ends, vibration and condition monitoring, and closed-loop process control where sensor data must be processed and acted upon within milliseconds. The modified Harvard architecture keeps data movement efficient during DSP-heavy routines, and 16 KB of SRAM buffers sampled waveforms. With the -40C to +85C industrial grade and a compact 64-TQFP footprint, the device integrates directly into rugged sensor heads and control modules without external processing hardware.
Recommended
Field-Upgradeable Embedded Systems
The dual-partition flash with ECC and Live Update makes the DSPIC33CK128MP206-I/PT a strong fit for products that must receive firmware updates in service without risk of bricking: new images are written to the inactive panel while the active panel keeps running, and switchover occurs only after verification. ECC protects program memory against bit corruption in electrically noisy environments such as motor drives and power converters. The 100 MHz core and CAN FD interface let a single device act as both application controller and update gateway. Designs also benefit from 8 hardware breakpoints during development and the option to inhibit ICSP writes at end of production for firmware security.
Recommended
Automotive-Adjacent and Mobility Control Units
The DSPIC33CK128MP206-I/PT is used in mobility and vehicle-adjacent control electronics - auxiliary motor drives, pump and fan controllers, lighting ballasts, and CAN FD-connected body subsystems - where 16-bit deterministic control and a robust peripheral set are required. The high-resolution PWM drives motor phases and power stages quietly and efficiently, on-chip ADCs and op-amps read position and current sensors, and CAN FD links the unit to vehicle or machine networks with modern payload capacity. For cabin or chassis-zone environments the -40C to +85C industrial grade covers most under-dash and compartment conditions; for severe under-hood locations, select the extended-temperature -E/PT variant on the same footprint. Functional Safety (FuSa) family support aids safety-relevant architectures.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK128MP206-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK128MP206-E/PT | DSPIC33CK256MP206 | DSPIC33CK32MP206 | DSPIC33CK128MP205-E/PT | DSPIC33CH128MP206-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33CK, 100 MHz (100 MIPS) | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz | dsPIC33CK, 100 MHz | Dual-core dsPIC33CH, 100 MHz + slave core |
| Program Flash | 128 KB (dual-partition, ECC) | 128 KB | 256 KB | 32 KB | 128 KB | 128 KB |
| CAN FD | Yes | Yes | Yes | Yes | Yes | Yes |
| Analog Peripherals | 12-bit ADCs + integrated OpAmps | 12-bit ADCs + OpAmps (identical) | 12-bit ADCs + OpAmps (identical) | 12-bit ADCs + OpAmps (identical) | Reduced OpAmp/ADC configuration | 12-bit ADCs + OpAmps (33CH set) |
Key Differentiators
- Full analog peripheral set in the 64-pin footprint (vs DSPIC33CK128MP205-E/PT)
- Flash-density scalability with zero PCB change (vs DSPIC33CK256MP206)
- Single-core determinism vs dual-core complexity (vs DSPIC33CH128MP206-I/PT)
- Extended-temperature escape hatch (vs DSPIC33CK128MP206-E/PT)
Design Notes
The device operates from 3.0V to 3.6V with core current peaking near 100 MIPS at the upper voltage. Estimated: at 100 MHz execution with active analog peripherals, budget several tens of milliamperes for the core rail plus additional current for ADC/op-amp loading; use a low-noise LDO or well-filtered buck output and verify exact current figures in the Microchip datasheet electrical characteristics tables rather than relying on estimates. Decouple every VDD and VDDCORE pin with 100 nF ceramics placed within 2 mm of the pin, plus one bulk 10 uF per supply domain.
On the 64-TQFP (10x10 mm) footprint, dedicate a solid ground plane on layer 2 and keep high-resolution PWM output traces short and routed away from analog ADC inputs to prevent duty-cycle jitter coupling into feedback signals. Star-route the analog supply and place the op-amp/ADC input filter components close to the device. Follow Microchip's motor-control and digital-power reference designs, which show Kelvin connections for current-shunt sensing to the on-chip op-amp inputs - this measurably reduces current-sense offset error in FOC loops.
Three recurring pitfalls: (1) Ordering by base number only - the /PT suffix specifies the 64-TQFP tray package and -I the temperature grade; an incorrect suffix yields a different package or grade. (2) Permanently inhibiting ICSP writes during development - once inhibited, the device cannot be re-programmed; enable this only at end-of-production. (3) Assuming Live Update is automatic - the dual-partition flash requires explicit partition management in firmware; test fallback behavior (failed image recovery) on hardware before shipping field-update capability.
Compliance Information
RoHS/lead-free per standard Microchip commercial-grade processing indicated by the -I/PT ordering code; REACH, halogen-free, and conflict-minerals status not stated in the provided data - obtain certificates from the Microchip product page. The 33CK series carries Functional Safety (FuSa) family support per distributor listings. Specific AEC-Q100 qualification is not stated in the provided data.
