DSPIC33CK128MP206T-I/PT - 100MHz DSC 128KB Flash 64-TQFP | Microchip
MPN: DSPIC33CK128MP206T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.62 | $2.62 |
| 10 | $2.45 | $24.50 |
| 100 | $2.33 | $233.00 |
| 500 | $2.2 | $1,100.00 |
| 1,000 | $2.08 | $2,080.00 |
DSPIC33CK128MP206T-I/PT Overview
A digital signal controller combines the compute throughput of a digital signal processor with the deterministic control and peripheral integration of a microcontroller. Within the power-management hierarchy, a DSC sits above general-purpose MCUs and below application-specific DSPs: it closes high-bandwidth control loops (current loops, power-factor-correction loops) that require both fast multiply-accumulate arithmetic and rich on-chip analog and timing peripherals.
Key features include the 100 MHz 16-bit dsPIC33CK core with single-cycle MAC and DSP instruction extensions, dual-panel Flash enabling live firmware updates, three on-chip operational amplifiers, three analog comparators, high-resolution PWM outputs for precision power conversion, 12-bit ADCs for fast current and voltage sampling, and CAN Flexible Data (CAN FD) connectivity for industrial and automotive networks. The part belongs to the dsPIC33CK Functional Safety (FuSa) series, supported by safety documentation for IEC 61508-oriented designs.
Architecturally, the dsPIC33CK core pairs a pipelined 16-bit instruction path with a dedicated DSP multiply-accumulate unit and zero-overhead loops, allowing control-law computations (PI, resonant, predictive controllers) to execute at microsecond granularity. The high-resolution PWM peripheral provides sub-nanosecond-equivalent edge resolution for buck, boost, LLC and totem-pole PFC stages, while the ADC-to-PWM trigger path minimizes control-loop latency.
Typical applications include digital power supplies (LLC, PFC, DC-DC), sensorless and FOC motor drives for industrial automation, high-endurance embedded sensing and control nodes, and CAN FD-connected industrial gateways.
Design consideration: the 64-TQFP package on a 0.5 mm pitch requires careful VDD/VSS decoupling on every supply pair and a solid ground plane to contain PWM switching noise adjacent to the ADC inputs; MSL 3 (168 hours) floor-life rules apply before reflow.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK128MP206T-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 DSPIC33CK128MP206T-I/PT (same form factor and footprint) — differing in Package, CAN Interface, Core Architecture, Operating Temperature, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK128MP206-I/PT
✅ Drop-In✓ In Stock
$2.68 / Unit
View Datasheet →DSPIC33CK128MP206T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK128MP205-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.61 / Unit
View Datasheet →DSPIC33CK256MP206T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MP206-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.18 / Unit
View Datasheet →DSPIC33CH128MP206T-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →DSPIC33CK128MP206T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Clock Frequency | 100 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 16 KB |
| Supply Voltage (Nominal) | 3.3 V |
| Package | 64-TQFP (10x10 mm), 0.5 mm pitch |
| Operating Temperature Range | -40C to +85C |
| On-chip Operational Amplifiers | 3 |
| Analog Comparators | 3 |
| ADC Resolution | 12-bit |
| PWM | High-Resolution PWM |
| CAN Interface | CAN FD (Flexible Data) |
| Series | dsPIC33CK, Functional Safety (FuSa) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 Hours) |
| Packaging | Tape & Reel (T/R) |
DSPIC33CK128MP206T-I/PT 64-tqfp (10x10 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33CK128MP206T-I/PT (64-tqfp (10x10 mm), 0.5 mm pitch 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 DSPIC33CK128MP206T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK128MP206T-I/PT is suitable for 6 applications: Digital Power Supplies (LLC, PFC, DC-DC), Sensorless BLDC/PMSM Motor Control, Industrial CAN FD Networking and Gateways, Advanced Sensing and Signal Conditioning, Embedded Security-Oriented and Functional Safety Control, High-Intensity Lighting and Electronic Ballasts.
Digital Power Supplies (LLC, PFC, DC-DC)
The DSPIC33CK128MP206T-I/PT fits digital power conversion because its 100 MHz 16-bit core closes voltage and current loops at hundreds of kilohertz while the high-resolution PWM delivers fine edge resolution for LLC half-bridge, totem-pole PFC, and synchronous buck stages. The 12-bit ADC samples output voltage and shunt currents synchronized to the PWM period, minimizing control latency, and the dual-panel Flash allows firmware field updates without pausing operation. Used as the sole digital controller between the input rectifier stage and the gate drivers, it eliminates analog compensation networks and enables adaptive mode switching; the trade-off is that firmware development effort replaces fixed analog control, so control-loop tuning skill is required.
Recommended
Sensorless BLDC/PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33CK128MP206T-I/PT executes field-oriented control at the 10-20 kHz PWM frequencies typical of industrial drives, with its 100 MHz core computing Clark/Park transforms and PI current loops in single PWM periods. The three on-chip operational amplifiers condition low-side shunt phase currents directly, saving external op-amp ICs, while the three comparators provide hardware-cycle overcurrent trip without CPU intervention. Sensorless observers (sliding-mode, back-EMF) run in the 16 KB RAM workspace. Design consideration: route shunt signals away from PWM switching nodes and exploit the ADC-PWM trigger synchronization to sample currents exactly at the PWM center, canceling switching ripple.
Recommended
Industrial CAN FD Networking and Gateways
The integrated CAN FD controller makes the DSPIC33CK128MP206T-I/PT a compact industrial network node: CAN FD supports up to 64-byte payloads and faster arbitration-free data phases than classical CAN, allowing this DSC to bridge legacy 1 Mbit/s CAN buses with higher-throughput CAN FD segments in factory automation, HVAC, and elevator control systems. The 100 MHz core handles protocol stacking (J1939, CANopen) while simultaneously running local control loops, and 128 KB dual-panel Flash stores both application and bootloader with field-reprogrammable safety. Unlike external CAN controllers over SPI, the integrated module eliminates bus-latency jitter; the design cost is careful ISO 1042-class transceiver selection and common-mode choke layout for harsh EMC environments.
Recommended
Advanced Sensing and Signal Conditioning
The DSPIC33CK128MP206T-I/PT serves advanced sensing nodes where its analog front end - three op amps, three comparators, and 12-bit ADCs - conditions sensor signals on-chip before DSP post-processing. Typical uses include industrial pressure and flow transmitters, capacitive proximity detection, and audio-band spectrum analysis, where the single-cycle MAC DSP engine applies digital filters (IIR/FIR) to raw ADC streams at rates unattainable by general-purpose 8-bit MCUs. On-chip amplification with programmable gain reduces board area and BOM count versus discrete signal chains, and results stream out over CAN FD or UART. Keep analog routing away from the PWM pins and average multiple samples per conversion to push effective resolution beyond 12 bits in low-frequency measurement bands.
Recommended
Embedded Security-Oriented and Functional Safety Control
As a member of the dsPIC33CK Functional Safety (FuSa) series, the DSPIC33CK128MP206T-I/PT is intended for control systems where IEC 61508-oriented documentation, diagnostic libraries, and safety manuals are procurement requirements - for example emergency-stop logic in machinery, burner-management controllers, and safety interlocks in industrial automation. The dual-panel Flash supports redundant program-image schemes, the watchdog and clock monitoring support fault detection, and the comparators give an independent hardware trip path outside firmware. Compared to a general-purpose MCU, the FuSa program reduces the qualification burden on the end manufacturer; compared to a dedicated safety ASIC, it retains full software flexibility. Budget RAM and Flash headroom for the diagnostic library when sizing the application.
Recommended
High-Intensity Lighting and Electronic Ballasts
The DSPIC33CK128MP206T-I/PT controls high-intensity discharge (HID) ballasts and high-power LED drivers, where its high-resolution PWM drives half-bridge and boost stages with precisely shaped ignition and dimming profiles. The 100 MHz core implements constant-power and constant-current loops with adaptive phase control, the 12-bit ADC tracks lamp voltage and current at PWM-synchronized instants, and the comparators enforce hardware short-circuit and open-lamp protection within one switching cycle - faster than any firmware interrupt path. CAN FD connectivity allows architectural luminaires to report status across a building network. Design consideration: dimming below roughly 5% duty demands verifying PWM minimum-width limits and using burst-dimming firmware techniques to avoid visible flicker in the LED string.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK128MP206T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK128MP206-I/PT | DSPIC33CK128MP206T-E/PT | DSPIC33CK128MP205-E/PT | DSPIC33CH128MP206T-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Clock | 16-bit dsPIC33CK @ 100 MHz (single core) | 16-bit @ 100 MHz (single core) | 16-bit @ 100 MHz (single core) | 16-bit @ 100 MHz (single core) | Dual-core (100 MHz master + secondary) |
| Flash | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel |
Key Differentiators
- Three on-chip operational amplifiers save external analog front-end ICs (vs DSPIC33CK128MP205-E/PT)
- Dual-panel Flash enables live firmware field updates (vs DSPIC33CK128MP206-I/PT)
- Extended temperature option on the same footprint (vs DSPIC33CK128MP206T-E/PT)
- Single-core simplicity versus dual-core compute (vs DSPIC33CH128MP206T-I/PT)
Design Notes
The 64-TQFP (10x10, 0.5 mm pitch) exposes multiple VDD/VSS pairs - decouple every pair individually with 100 nF X7R ceramics placed within 2 mm of the pins, plus one 10 uF bulk capacitor near the package. The dsPIC33CK datasheet layout section shows the recommended capacitor ring. On a 4-layer board, dedicate layer 2 to an unbroken ground plane under the DSC; slotting the plane under PWM traces will couple switching noise into ADC inputs and raise effective noise floor measurably in current-sense channels.
Estimated: at 3.3 V with a typical DSC operating current plus I/O load, package dissipation stays well under 0.5 W, and the 64-TQFP 10x10 theta_JA of roughly 40-50 C/W (verify exact value in the datasheet thermal table for your 4-layer stack-up) keeps junction rise below 25 C at +85 C ambient. Only designs driving many heavily-loaded I/O or running near maximum frequency at high ambient need copper-pour attention. Verify with your own worst-case current measurement rather than relying on estimates.
MSL 3 (168 hours) means the reel must be reflowed within one week of opening the moisture-barrier bag or baked per JESD-class floor-life rules - exceeded floor life causes popcorn cracking during reflow. Also, the device has multiple PGECx/PGEDx ICSP pairs; as Northern Software documents, you may use any pair but must keep them paired (e.g., PGEC2 with PGED2), and all VDD/VSS pins must be connected for programming. Finally, respect the 3.3 V supply - the dsPIC33CK core is not 5 V tolerant.
Synchronize ADC sampling to the PWM period via the ADC trigger from the PWM module rather than free-running the ADC - sampling at PWM center or trough cancels switching ripple in current-sense channels, a technique central to Microchip's digital power and motor-control reference designs. Route current-shunt differential pairs symmetrically into the op-amp inputs, and keep the CAN FD bus stubs under 1/3 of the bit-time electrical length to avoid reflections on the FD data phase.
Compliance Information
Compliance status was not explicitly stated in the provided web data. Modern Microchip dsPIC33CK parts are generally RoHS-compliant per the manufacturer's environmental pages - verify on microchip.com before export-controlled or regulated deployment.
