DSPIC33CK256MP206T-I/MR - 100MHz 16-bit DSC | Microchip
MPN: DSPIC33CK256MP206T-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.05 | $3.05 |
| 10 | $2.8 | $28.00 |
| 100 | $2.55 | $255.00 |
| 500 | $2.42 | $1,210.00 |
| 1,000 | $2.32 | $2,320.00 |
DSPIC33CK256MP206T-I/MR Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the dsPIC33CK family sits in Microchip's 16-bit DSC lineup, targeting closed-loop digital power conversion, motor control, and advanced sensing where a fast control loop and high-resolution PWM are more valuable than an application processor's general-purpose throughput.
Key features include the modified Harvard architecture dsPIC33CK core running DC to 100 MIPS from a 3.0V to 3.6V supply, 250 ps PWM resolution, an integrated CAN FD module for industrial networking, and three on-chip operational amplifiers plus three analog comparators that offload signal conditioning from external components. Functional Safety (FuSa) support and dual-partition Flash with live update enable field firmware upgrades without downtime.
Technically, the dsPIC33CK single-core DSC integrates DSP instructions, a high-speed ADC, and enhanced peripherals clocked from the 100 MHz core, so the digital control loop latency is deterministic at full speed. The Memory Built-In Self-Test (MBIST) and ECC on Flash address reliability requirements in industrial and automotive-adjacent designs.
Typical applications include digital power supplies (totem-pole PFC, LLC), brushless DC and PMSM motor control, and advanced sensing with the on-chip op amps feeding the ADC front end. The CAN FD interface suits industrial automation nodes and automotive body/control units.
Design consideration: keep the 3.0V-3.6V supply within tolerance and decouple the exposed thermal pad; at 100 MHz, layout of the high-resolution PWM outputs toward gate drivers should minimize loop inductance.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references LCSC data as of 2026-09-23.
Drop-in alternatives for DSPIC33CK256MP206T-I/MR — 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 DSPIC33CK256MP206T-I/MR (same form factor and footprint) — differing in Package, Operating Temperature, Core, Architecture, PWM Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK256MP206-E/MR
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →DSPIC33CK256MP206T-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CH512MP206-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.96 / Unit
View Datasheet →DSPIC33CK128MP506-E/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.42 / Unit
View Datasheet →DSPIC33CK128MC106-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.28 / Unit
View Datasheet →DSPIC33CK256MP206T-I/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Clock Frequency | 100 MHz |
| Performance | DC to 100 MIPS |
| Program Flash Size | 256 KB (with ECC, dual-partition live update) |
| Data SRAM Size | 24 KB (with MBIST) |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 64-QFN (9x9 mm), code MR |
| PWM Resolution | 250 ps |
| On-Chip Op Amps | 3 |
| On-Chip Comparators | 3 |
| CAN Interface | CAN FD |
| Peripheral Trigger Generator | Yes (PTG) |
| Functional Safety Support | Yes (FuSa) |
| Architecture | Modified Harvard, single-core |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Packaging | Tape & Reel (T suffix) |
DSPIC33CK256MP206T-I/MR 64-qfn (9x9 mm), code mr Pin Configuration Guide
Pin configuration for DSPIC33CK256MP206T-I/MR (64-qfn (9x9 mm), code mr 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 DSPIC33CK256MP206T-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK256MP206T-I/MR is suitable for 6 applications: Digital Power Supplies (PFC / LLC), BLDC / PMSM Motor Control, Industrial Automation and CAN FD Nodes, Advanced Sensing and Signal Conditioning, Automotive Body and Control Units, Test, Measurement and Instrumentation.
Digital Power Supplies (PFC / LLC)
The DSPIC33CK256MP206T-I/MR fits totem-pole PFC, LLC, and phase-shifted full-bridge converters because its 100 MHz / 100 MIPS core closes voltage- and current-loop control at switching frequencies of several hundred kHz with deterministic latency. The 250 ps PWM resolution allows fine duty-cycle and phase trimming at high fsw, directly reducing output ripple and improving transient response. The three on-chip comparators support cycle-by-cycle overcurrent limiting without external components, while the high-speed ADC samples inductor current each switching cycle. Use the dual-partition Flash live update to field-update firmware in deployed power systems without downtime. The main trade-off versus a dedicated digital power controller is that firmware and protection strategies are your responsibility, in exchange for full topology flexibility.
Recommended
BLDC / PMSM Motor Control
For sensorless FOC of brushless DC and permanent-magnet synchronous motors, the DSPIC33CK256MP206T-I/MR provides the 100 MIPS core headroom to execute full field-oriented control loops at 20-50 kHz PWM with a deterministic interrupt budget. The three integrated op amps condition low-side shunt current signals directly into the ADC, eliminating three external amplifier ICs and improving common-mode matching between phases. The 250 ps PWM resolution minimizes current ripple at low duty cycles near zero-speed, improving torque linearity. According to Microchip, motor control is a primary dsPIC33CK market segment, supported by the MCLV/MCDEV reference designs. Design consideration: route the six PWM outputs to the gate driver with short, matched traces to limit switching-noise coupling into the analog front end.
Recommended
Industrial Automation and CAN FD Nodes
In factory automation and industrial networking, the DSPIC33CK256MP206T-I/MR's integrated CAN FD module enables 64-byte payload communication at data rates beyond classic CAN 2.0B, making it a strong node controller for drives, sensors, and actuators migrating to CAN FD backbones. The 256 KB ECC Flash accommodates protocol stacks plus application firmware with headroom for OTA updates via dual-partition live update. The Functional Safety (FuSa) support package and MBIST assist designs following IEC 61508-style reliability practices. The PTG (Peripheral Trigger Generator) sequences ADC sampling and PWM updates in hardware, offloading the CPU for protocol handling. At 3.0-3.6V operation with industrial -40C to +85C rating, it suits cabinet-mounted electronics with a 3.3V rail derived from 24V industrial supplies.
Recommended
Advanced Sensing and Signal Conditioning
The DSPIC33CK256MP206T-I/MR serves advanced-sensing applications because the three on-chip op amps and three comparators form a complete analog front end ahead of the high-speed ADC, amplifying bridge, thermocouple, or shunt signals without external amplifiers. Running DSP instructions at 100 MIPS, the core performs filtering (IIR/FIR), RMS computation, and calibration math in real time while the PTG triggers synchronized, periodic ADC scans in hardware for deterministic sample timing. The 24 KB SRAM with MBIST supports buffering of multiple sensor channels plus DSP workspace. Dual-partition Flash permits signed firmware updates in fielded instruments. The 12-bit-class ADC resolution and on-chip amplification reduce BOM count in multi-channel sensing boards; verify op-amp gain-bandwidth limits against your signal bandwidth in the datasheet analog chapter.
Recommended
Automotive Body and Control Units
The dsPIC33CK family, with its Functional Safety (FuSa) support and CAN FD connectivity, addresses automotive-adjacent control units such as body controllers, pumps, fans, and auxiliary motor drives where a cost-effective 16-bit core with strong fault-handling features is preferred over a full application processor. The ECC-protected 256 KB Flash detects and corrects single-bit memory errors, and MBIST validates SRAM at startup - features aligned with functional-safety development flows. The three comparators and 250 ps PWM support solenoid and motor drive with hardware-based current limiting. Note the DSPIC33CK256MP206T-I/MR itself is the industrial-grade part; for AEC-qualified deployment paths consult Microchip's automotive dsPIC33CK offerings, and consider the extended-temperature -E/MR variant for harsh under-hood-adjacent thermal environments.
Recommended
Test, Measurement and Instrumentation
In bench and embedded instrumentation, the DSPIC33CK256MP206T-I/MR acts as a real-time control and DSP engine: 100 MIPS with hardware DSP multiply-accumulate supports digital filtering, FFT-based analysis, and closed-loop source control (programmable loads, electronic loads, bench power supplies). The deterministic PTG-triggered ADC sampling provides precise, jitter-free acquisition timing essential for measurement repeatability, and the 250 ps PWM resolution enables fine-grained DAC-like control of power stages inside the instrument. Dual-partition Flash with live update allows firmware features to be added in the field - valuable for instruments with long service lives. The 64-QFN (9x9 mm) footprint keeps the controller area small on dense analog boards. Pair with an external high-resolution ADC where measurement resolution beyond the internal front end is required.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK256MP206T-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK256MP206-E/MR | DSPIC33CK256MP206T-E/MR | DSPIC33CH512MP206-I/MR | DSPIC33CK128MP506-E/MR | DSPIC33CK128MC106-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-QFN (9x9, MR) | 64-QFN (9x9, MR) - same | 64-QFN (9x9, MR) - same | 64-QFN (9x9, MR) - same | 64-QFN (9x9, MR) - same | 64-QFN (9x9, MR) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock / MIPS | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS | 100 MHz (dual-core 100/100 MIPS class) | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS |
| Program Flash | 256 KB (ECC, dual-partition) | 256 KB (ECC, dual-partition) | 256 KB (ECC, dual-partition) | 512 KB (dual-core) | 128 KB | 128 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +150C (E grade) | -40C to +150C (E grade) | -40C to +85C (I grade) | -40C to +150C (E grade) | -40C to +85C (I grade) |
| Core Architecture | Single-core dsPIC33CK | Single-core dsPIC33CK - identical | Single-core dsPIC33CK - identical | Dual-core dsPIC33CH | Single-core dsPIC33CK | Single-core dsPIC33CK |
Key Differentiators
- Highest memory tier with on-chip analog in the 64-pin dsPIC33CK group (vs DSPIC33CK128MP506-E/MR)
- Single-core simplicity and lower cost than dual-core sibling (vs DSPIC33CH512MP206-I/MR)
- Extended-temperature drop-in path within the same die (vs DSPIC33CK256MP206-E/MR)
Design Notes
The DSPIC33CK256MP206T-I/MR requires a tightly regulated 3.0V-3.6V supply; at 100 MHz core speed all timing specifications hold only within this window. Place a 0.1 uF ceramic capacitor at each VDD pin and a bulk 4.7-10 uF capacitor near the controller. Connect the 64-QFN exposed thermal pad to a solid ground plane with a matrix of vias - it is both the main heat path and the low-inductance ground return. Estimated: at 100 MHz with peripherals active, core current is on the order of tens of mA (consult the datasheet typical IDD curves), so supply drop across the PCB must be minimized.
The 250 ps PWM resolution is only realizable on the board if PWM output edges are clean. Route the six PWM outputs to gate drivers as short, matched-length traces over a continuous ground plane, and keep gate-drive return paths away from analog front-end ground. Separate the analog ground region (op-amp inputs, ADC reference) from the power-switching region, joining them at a single point under the controller. Use the PTG to trigger ADC sampling synchronously with PWM to avoid switching-noise corruption of current samples rather than relying on software timing.
Three pitfalls recur with dsPIC33CK designs: (1) assuming the -I grade covers hot environments - the industrial rating is -40C to +85C; use the -E/MR variant for temperatures up to +150C. (2) Assuming the MP506/MP205 pin-compatible parts include the op amps - only MP2xx (this part) has the 3 op amps; verify analog feature use before second-sourcing within the family. (3) Ignoring the dual-partition Flash configuration - live update requires both partitions to be programmed with a valid image, or boot behavior changes. Plan the bootloader accordingly.
Compliance Information
RoHS Compliant per OnlineComponents product data for the 64-pin QFN package. Not stated in provided data: REACH, halogen-free, conflict minerals status; verify on Microchip's environmental page.
