DSPIC33CK256MP206-I/PT - 100MHz 16-bit DSC 256KB Flash | Microchip
MPN: DSPIC33CK256MP206-I/PT ✓ Active| Qty | Unit Price | Extended |
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| 500 | $0 | $0.00 |
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DSPIC33CK256MP206-I/PT Overview
A digital signal controller combines the computational capability of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power management IC and embedded controller hierarchy, the DSC occupies the niche of real-time closed-loop control, executing mathematical control loops (PI, PID, predictive) at switching frequencies of hundreds of kilohertz while managing communication and supervisory tasks on a single core.
Key features include the modified Harvard architecture with a single-cycle 16x16 MAC DSP engine, up to 256 KB of Flash with error correction code (ECC) and live dual-partition firmware update, 24 KB of data SRAM with memory built-in self-test (MBIST), and nine MCCP/SCCP modules providing timers, capture/compare, and PWM channels. The Peripheral Trigger Generator (PTG) offers up to 15 trigger sources driven by a CPU-independent state machine, offloading deterministic sequencing from software.
Technical depth: the dsPIC33CK core operates from 3.0V to 3.6V at DC to 100 MIPS, with deterministic interrupt latency suited to time-critical control loops. The high-resolution PWM module delivers fine edge resolution for digital power converters, while CAN FD supports flexible-data-rate networking for automotive and industrial buses. Integrated analog (3 op-amps, 3 comparators) reduces external BOM cost in current-sense loops.
Typical applications include digital power supplies (totem-pole PFC, LLC), PMSM/BLDC motor control with field-oriented control, advanced sensing, and industrial automation nodes requiring CAN FD connectivity.
Design consideration: budget the 3.0V to 3.6V supply rail early and plan dual-partition Flash usage for field firmware updates; verify op-amp bandwidth against your control loop bandwidth.
This page synthesizes datasheet specifications, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK256MP206-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 DSPIC33CK256MP206-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core Architecture, Data SRAM, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK256MP205-I/PT
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View Datasheet →DSPIC33CK256MP205-E/PT
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View Datasheet →DSPIC33CH256MP206-I/PT
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View Datasheet →DSPIC33CH256MP206-E/PT
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View Datasheet →DSPIC33CH512MP206-I/PT
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View Datasheet →DSPIC33CH128MP206-I/PT
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View Datasheet →DSPIC33CK128MP205-E/PT
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View Datasheet →DSPIC33CK256MP206-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC |
| CPU Speed | 100 MHz (DC to 100 MIPS) |
| Program Flash | 256 KB with ECC and Live Update (dual-partition) |
| Data SRAM | 24 KB with MBIST |
| Architecture | Modified Harvard, single-core |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +150C (per datasheet operating conditions) |
| Package | 64-TQFP (10x10 mm), PT suffix |
| Mounting Type | Surface Mount |
| On-chip Op-Amps | 3 |
| Comparators | 3 |
| MCCP/SCCP Modules | 9 (1 MCCP, 8 SCCP) |
| Peripheral Trigger Generator | Yes, up to 15 trigger sources |
| CAN | CAN FD (Flexible Data Rate) |
| PWM | High-Resolution PWM |
| Functionality Safety Support | Functional Safety (FuSa) package per DigiKey listing |
DSPIC33CK256MP206-I/PT 64-tqfp (10x10 mm), pt suffix Pin Configuration Guide
Pin configuration for DSPIC33CK256MP206-I/PT (64-tqfp (10x10 mm), pt suffix 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 DSPIC33CK256MP206-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK256MP206-I/PT is suitable for 6 applications: Digital Power Supplies, BLDC / PMSM Motor Control, Automotive and Industrial CAN FD Nodes, Advanced Sensing and Control, Wireless Power Transfer and Chargers, LED Drivers and Lighting Control.
Digital Power Supplies
The DSPIC33CK256MP206-I/PT fits digital power conversion because its 100 MHz (100 MIPS) core closes voltage and current loops at switching frequencies of several hundred kilohertz, while the high-resolution PWM module provides fine edge placement for LLC, totem-pole PFC, and phase-shifted full-bridge topologies. In a typical design, the Peripheral Trigger Generator fires ADC conversions synchronized to PWM events without CPU intervention, so control-loop sample timing is deterministic to the cycle. The three integrated op-amps condition shunt-resistor current signals, and the three comparators support cycle-by-cycle overcurrent protection in hardware, faster than any software interrupt. The trade-off versus a dedicated digital power controller is firmware development effort, repaid by full flexibility of control law and topology.
Recommended
BLDC / PMSM Motor Control
For field-oriented control (FOC) of permanent-magnet motors, the DSPIC33CK256MP206-I/PT provides the compute headroom to execute current, speed, and position loops at PWM frequencies of 20-100 kHz with cycles to spare for sensorless estimators. The high-resolution PWM drives the three-phase inverter with fine duty resolution that reduces current ripple and torque ripple, while on-chip op-amps amplify low-side shunt currents before ADC sampling synchronized by the PTG. The 256 KB ECC Flash accommodates FOC plus CAN FD communication stacks with room for field upgrades via dual-partition Live Update. Compared with a general-purpose MCU, the integrated analog and hardware comparators eliminate external current-sense amplifier ICs, lowering BOM cost in multi-axis drive systems.
Recommended
Automotive and Industrial CAN FD Nodes
The DSPIC33CK256MP206-I/PT integrates CAN Flexible Data (CAN FD), allowing payloads up to 64 bytes at higher bit rates than classical CAN, which suits industrial automation nodes and in-vehicle control units carrying larger telemetry frames. Combined with the DigiKey-listed Functional Safety (FuSa) collateral and MBIST-protected SRAM, the device supports safety-relevant node designs. The 100 MIPS core handles CAN FD processing, application logic, and background diagnostics concurrently without saturating. Dual-partition Flash with Live Update enables field firmware updates over the CAN FD bus without a programming header, valuable for deployed industrial equipment. Designers should allocate the 3.0V to 3.6V rail and plan for an external CAN FD transceiver, as the CAN FD block is digital-only.
Recommended
Advanced Sensing and Control
In advanced sensing systems, the DSPIC33CK256MP206-I/PT processes sensor signals with its DSP engine (single-cycle 16x16 MAC) running FIR/IIR filters and FFT-based analysis at 100 MIPS, while its ADCs and integrated op-amps complete the analog front end on-chip. The Peripheral Trigger Generator sequences up to 15 trigger sources, orchestrating precise, jitter-free sampling across multiple sensors - useful for power-quality monitors, vibration analyzers, and multi-channel measurement equipment. The 24 KB SRAM with MBIST retains filter state and data windows for functional-safety-conscious designs. Because signal conditioning, conversion, filtering, and communication (CAN FD/UART/SPI) all live in one 64-TQFP device, board area and BOM shrink versus discrete amplifier-plus-MCU solutions, at the cost of analog performance ceilings set by the integrated front end.
Recommended
Wireless Power Transfer and Chargers
Wireless power transmitters and high-performance battery chargers benefit from the DSPIC33CK256MP206-I/PT's combination of high-resolution PWM (for resonant half-bridge and Class-D driver stages), fast ADC sampling of coil current and voltage, and hardware comparators for fast fault shutdown. The 100 MHz core implements frequency, phase, or duty tracking control laws for maximum-efficiency power transfer, and CAN FD or UART links report charging state to host systems. The dual-partition Flash with ECC allows field updates of charging profiles and interoperability firmware (important as standards evolve), while the three op-amps handle rectifier current sensing. Compared with fixed-function wireless power ICs, the DSC offers full protocol flexibility, at the price of firmware certification effort for the designer.
Recommended
LED Drivers and Lighting Control
Professional and industrial LED lighting - including tunable, high-density, and high-power fixtures - uses the DSPIC33CK256MP206-I/PT's high-resolution PWM for flicker-free dimming across wide dynamic ranges, since fine edge resolution prevents visible duty-cycle quantization at low brightness. The 100 MIPS core runs color mixing, thermal derating, and DALI/DMX-style communication stacks concurrently. Integrated comparators provide hardware overcurrent protection for the switching stage, and the 256 KB ECC Flash holds multiple lighting profiles with field updatability through dual-partition Live Update. The device operates from a 3.0V to 3.6V logic rail with the power stage referenced through gate drivers. Versus a dedicated LED driver IC, the DSC approach enables intelligent networked fixtures; versus a general MCU, the resolution and determinism of the PWM and PTG are the decisive advantages.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK256MP206-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK256MP205-I/PT | DSPIC33CK256MP205-E/PT | DSPIC33CH256MP206-I/PT | DSPIC33CH512MP206-I/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 |
| Program Flash | 256 KB with ECC, dual-partition | 256 KB | 256 KB | 256 KB | 512 KB | 128 KB |
| Core Architecture | Single-core dsPIC33CK | Single-core dsPIC33CK | Single-core dsPIC33CK | Dual-core dsPIC33CH | Dual-core dsPIC33CH | Dual-core dsPIC33CH |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Grade | -I (industrial) | -I (industrial) | -E (extended) | -I (industrial) | -I (industrial) | -I (industrial) |
Key Differentiators
- Dual-partition ECC Flash enables live firmware update (vs DSPIC33CH256MP206-I/PT)
- Higher peripheral integration than the MP205 siblings (vs DSPIC33CK256MP205-I/PT)
- Deterministic single-core 100 MIPS control latency (vs DSPIC33CH256MP206-I/PT)
Design Notes
The DSPIC33CK256MP206-I/PT requires a tightly regulated 3.0V to 3.6V rail. At 100 MIPS, core current draw peaks during DSP-intensive loops, so decouple each VDD pin with 0.1uF ceramics placed within 2 mm of the pin, plus bulk 10uF at the board level. For digital power applications where the same board carries high dv/dt switching nodes, separate the analog supply (AVDD) with an RC or ferrite filter to keep ADC reference noise low. Estimated: a 100 mA logic-rail budget with 100 mV of allowable ripple gives a minimum 3.3V nominal rail with 30 mV headroom each side - verify against your converter's load transient spec.
The 64-TQFP (10x10 mm, 0.5 mm pitch) is hand-routable but benefits from careful planning: fan out fine-pitch pins with via-in-pad avoidance and keep the high-resolution PWM output traces short, matched, and away from ADC input traces to prevent coupling of switching edges into sampled signals. Use a solid ground plane and place the three op-amp external gain networks close to their associated pins with guard routing if high-impedance sensors are used. Route the CAN FD bus with controlled impedance and place the external transceiver within 20 mm of the CAN pins per standard CAN layout practice.
Two pitfalls dominate dsPIC33CK projects. First, the dual-partition Flash (Live Update) consumes half of the 256 KB per active partition at boot - if you enable live update, plan code size accordingly or use single-partition mode for maximum space. Second, pin multiplexing via Peripheral Pin Select must be configured before peripherals are enabled; a wrong PPS mapping produces silent functional failures rather than build errors. Also confirm that the PTG trigger routing matches the ADC sample-strobe assignment in the code configurator - the family datasheet's trigger matrix is the authoritative reference.
The -I grade device is specified for operation up to 150C operating conditions per the datasheet, but verify the junction temperature budget in your enclosure: Estimated: a 64-TQFP with theta_JA on the order of 40-50 C/W on a standard 4-layer board, dissipating roughly 100-200 mW at 100 MIPS, rises only 5-10 C above ambient - thermal limits are rarely binding for this DSC unless the board shares an enclosure with a hot power stage. Confirm theta_JA from the datasheet thermal table for your stack-up before finalizing derating.
Compliance Information
Compliance data was not present in the verified web data as of 2026-09-23. Confirm RoHS/REACH status on the official Microchip product page compliance summary before regulatory filings.
