DSPIC33CK64MP208-I/PT - 100MHz DSC, 64KB Flash, TQFP-80 | Microchip
MPN: DSPIC33CK64MP208-I/PT ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
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DSPIC33CK64MP208-I/PT Overview
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the deterministic, interrupt-driven control behavior of a microcontroller (MCU). Within the power-management hierarchy, DSCs sit at the center of digitally controlled power conversion systems, coordinating sensing, control-loop execution, and PWM generation in a single silicon device, which is why they dominate modern digital power and motor-control architectures.
Key differentiating features include a high-resolution PWM with 250 ps effective resolution for fine duty-cycle control, CAN Flexible Data (CAN FD) for automotive and industrial networking, three on-chip operational amplifiers and three comparators that reduce external analog component count, and a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. The dsPIC33CK family also offers ECC-protected program Flash with Live Update dual-partition bootloading on higher-density members.
Architecturally, the device uses a modified Harvard architecture with a single 100 MHz dsPIC DSC core, DSP instructions, a barrel shifter, boundary-scan (JTAG) support, four DMA channels, four external interrupts, four serial I/O ports, and multiple timers, enabling tight, deterministic control loops with minimal CPU overhead.
Typical applications include digital power supplies (totem-pole PFC, LLC converters), brushless DC and PMSM motor control (FOC sensorless algorithms), advanced sensing and control nodes, and CAN FD-connected industrial or automotive subsystems, where 250 ps PWM resolution and integrated analog directly improve efficiency and BOM cost.
Design consideration: the 3.0V to 3.6V supply window requires a clean 3.3V rail; budget decoupling at every VDD pin pair of the TQFP-80 and follow Microchip's layout guidance for the high-resolution PWM outputs to minimize switching-node noise coupling into the on-chip op-amps.
This page synthesizes distributor listings, family cross-reference data, and drop-in alternative analysis not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33CK64MP208-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 DSPIC33CK64MP208-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core, CAN Interface, Data SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK512MP606T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.86 / Unit
View Datasheet →DSPIC33CK512MP305-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.36 / Unit
View Datasheet →DSPIC33CH64MP506T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.74 / Unit
View Datasheet →DSPIC33CH512MP508T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.22 / Unit
View Datasheet →DSPIC33CK64MP208-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Operating Frequency | 100 MHz (up to 100 MIPS) |
| Program Memory (Flash) | 64 KB |
| Data SRAM | 8 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | TQFP-80 (PT) |
| PWM Resolution | 250 ps (High-Resolution PWM) |
| CAN Interface | CAN FD (Flexible Data) |
| On-Chip Operational Amplifiers | 3 |
| On-Chip Comparators | 3 |
| DMA Channels | 4 |
| External Interrupts | 4 |
| Serial I/O Ports | 4 |
| Timers | 2 (plus additional family timers) |
| Special Peripherals | Peripheral Trigger Generator (PTG), barrel shifter |
| Debug / Test | Boundary scan (JTAG), MBIST support |
| Mounting Type | Surface Mount |
DSPIC33CK64MP208-I/PT tqfp-80 (pt) Pin Configuration Guide
Pin configuration for DSPIC33CK64MP208-I/PT (tqfp-80 (pt) 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 DSPIC33CK64MP208-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP208-I/PT is suitable for 6 applications: Digital Power Supplies (PFC / LLC), BLDC / PMSM Motor Control (FOC), Automotive CAN FD Nodes, Advanced Sensing and Control Systems, Industrial Automation and Fieldbus Control, High-Density Embedded Control (IoT Edge Actuators).
Digital Power Supplies (PFC / LLC)
The DSPIC33CK64MP208-I/PT is a strong fit for digitally controlled AC-DC and DC-DC power supplies because its 250 ps high-resolution PWM provides the duty-cycle granularity that LLC and totem-pole PFC stages need to hold tight regulation at high switching frequency. The 100 MHz dsPIC33CK core executes the compensation loop with deterministic cycle timing, while the three on-chip op-amps and comparators condition current-shunt feedback and provide cycle-by-cycle overcurrent protection without external analog ICs. Placed as the sole controller between the sensing front end and gate drivers, the device closes voltage and current loops in software, enabling adaptive burst mode, nonlinear gain scheduling, and telemetry over its CAN FD interface. The trade-off versus a fixed-function PWM controller is firmware development effort, repaid by flexibility across product variants.
Recommended
BLDC / PMSM Motor Control (FOC)
Sensorless field-oriented control (FOC) of brushless DC and PMSM motors is a flagship application for the DSPIC33CK64MP208-I/PT. The 100 MIPS DSP engine executes Clarke/Park transforms and sliding-mode or flux observers every PWM cycle, while the 250 ps high-resolution PWM stage drives the three-phase inverter with fine dead-time control that reduces torque ripple and switching losses. The three integrated op-amps amplify low-side shunt currents and the three comparators implement hardware overcurrent trip, keeping fault latency in the nanosecond range independent of CPU load. Four DMA channels stream ADC results into RAM without core intervention. For appliance, HVAC blower, e-bike, and industrial pump designs, this single 80-pin TQFP replaces a controller plus external signal-conditioning components, cutting BOM cost while CAN FD supports networked motor diagnostics.
Recommended
Automotive CAN FD Nodes
With an integrated CAN Flexible Data controller, the DSPIC33CK64MP208-I/PT serves as an intelligent actuator and sensing node in automotive and industrial vehicle networks. CAN FD raises payloads to 64 bytes and enables higher arbitration-free data phases, which the 100 MHz core exploits for local control loops (pump, valve, fan, or lighting actuation) while reporting status and accepting firmware updates over the bus. The industrial -40C to +85C I-grade suits under-dash and cabin environments; automotive-qualified variants exist in the family for harsher zones. The PTG (Peripheral Trigger Generator) autonomously sequences ADC sampling with PWM, guaranteeing synchronized measurements regardless of bus traffic. Note that supply must be conditioned to 3.0V-3.6V from the 12V/24V vehicle rail via a buck or LDO stage with load-dump protection.
Recommended
Advanced Sensing and Control Systems
The DSPIC33CK64MP208-I/PT excels in sensing nodes that must both acquire data and act on it with tight timing: pressure/flow transmitters, precision temperature control loops, and condition-monitoring probes. Its on-chip op-amps buffer bridge or shunt sensor signals directly, comparators implement fast threshold alarms, and the ADC plus four DMA channels stream samples to the 8 KB SRAM with deterministic latency. The Peripheral Trigger Generator sequences conversions against PWM periods, ensuring sampling coherence in switched systems. DSP instructions (single-cycle MAC, barrel shifter) apply digital filtering - IIR notch, FIR, or RMS computation - directly on-chip, eliminating an external DSP. Results propagate over four serial I/O ports (UART/SPI/I2C) or CAN FD to a host. The main design consideration is the 3.3V analog domain: reference quality and layout discipline determine achievable measurement noise floor.
Recommended
Industrial Automation and Fieldbus Control
In industrial control cabinets and machine sub-systems, the DSPIC33CK64MP208-I/PT acts as a deterministic local controller under a PLC or industrial PC supervisor. Its 100 MHz core runs PID loops at multi-kilohertz rates, the high-resolution PWM drives actuators, dimmers, or small converters, and the CAN FD interface integrates with CANopen-based factory networks carrying process data and diagnostics. Four external interrupts and four DMA channels handle encoder counting, limit-switch trips, and high-rate data logging without CPU polling. The 80-pin TQFP exposes ample parallel I/O for relay banks, indicator stacks, and safety-chain monitoring. Live Update dual-partition Flash (available across the dsPIC33CK family) supports field firmware updates with rollback, reducing downtime. Boundary-scan (JTAG) support eases in-circuit board test during production, an often-overlooked advantage over MCUs lacking JTAG.
Recommended
High-Density Embedded Control (IoT Edge Actuators)
Space-constrained smart devices - connected lighting ballasts, battery-management front ends, and portable instrumentation - benefit from the DSPIC33CK64MP208-I/PT's integration density: CPU, DSP, PWM, analog amplifiers, comparators, and CAN FD in one 80-pin TQFP measuring roughly 12x12 mm. The 8 KB SRAM and 64 KB Flash host a control loop plus a communication stack, while low-power modes allow duty-cycled operation in battery-adjacent designs. The barrel shifter and single-cycle MAC accelerate cryptographic or signal-processing primitives used in secure device identity schemes. Compared with pairing a general-purpose MCU with discrete analog, this DSC reduces component count, board area, and firmware complexity across the sensing-to-actuation path. Designers should reserve headroom in Flash: if the application grows, the pin-compatible 512 KB dsPIC33CK512MP606 in the same PT footprint provides an upgrade path without PCB respin.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP208-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK512MP606T-I/PT | DSPIC33CK512MP305-I/PT | DSPIC33CH64MP506T-I/PT | DSPIC33CH512MP508T-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-80 (PT) | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | Single-core dsPIC33CK, 100 MHz | Single-core dsPIC33CK, 100 MHz | Single-core dsPIC33CK, 100 MHz | Dual-core dsPIC33CH (Master + Independent) | Dual-core dsPIC33CH (Master + Independent) |
| Program Flash | 64 KB | 512 KB | 512 KB | 64 KB-class | 512 KB |
| High-Resolution PWM | Yes, 250 ps | Yes, 250 ps | Yes, 250 ps (reduced instances) | Yes, family HR PWM | Yes, family HR PWM |
| CAN FD | Yes | Yes | Yes | Yes (Master core) | Yes (Master core) |
| Typical Use Case | Digital power, FOC motor control, CAN FD sensing nodes | Firmware-rich digital power needing 512 KB | Cost-optimized 512 KB digital power | Safety/partitioned dual-core control | High-memory dual-core gateways |
Key Differentiators
- Lowest memory footprint in the 80-pin TQFP class enables cost-optimized designs (vs DSPIC33CK512MP606T-I/PT)
- Simple single-core deterministic control (vs DSPIC33CH64MP506T-I/PT)
- Maximum peripheral fan-out with 3 op-amps and 3 comparators on-chip (vs DSPIC33CK512MP305-I/PT)
- Same-footprint upgrade path preserves PCB investment (vs DSPIC33CK512MP606T-I/PT)
Design Notes
The DSPIC33CK64MP208-I/PT requires a regulated 3.0V to 3.6V supply. Place 100 nF ceramic decoupling capacitors at every VDD/VSS pin pair of the TQFP-80, plus one bulk 10 uF capacitor near the package, keeping loop inductance minimal. When high-resolution PWM outputs drive gate drivers at hundreds of kHz, switching noise couples back into the supply - separate the analog supply domain per Microchip's datasheet AVDD guidance and consider an LC filter or dedicated LDO for the analog rail to protect ADC and op-amp accuracy.
Route high-resolution PWM traces (250 ps resolution implies sub-mm timing sensitivity) as short, matched pairs to the gate drivers, away from op-amp inputs and the crystal. Use a solid ground plane beneath the TQFP-80 and connect the thermal pad/ground pins with multiple vias. Keep CAN FD differential pair impedance at 120 ohm nominal bus topology with proper stub lengths. Following Microchip's dsPIC33CK layout application guidance prevents clock jitter and comparator false trips in switching power designs.
Do not confuse the '64' in the part number with clock frequency - it denotes 64 KB Flash; the core runs at 100 MHz. Third-party summaries occasionally misstate a 64 MHz core. Also verify peripheral pin select (PPS) mappings before routing: many digital functions remap across pins, so the schematic must match the datasheet PPS tables, not assumptions from smaller family members. Finally, confirm the I-grade temperature (-40C to +85C) suits your enclosure; extended-temperature variants exist in the family for harsher environments.
Compliance Information
Compliance status not stated in the provided verified web data; consult the Microchip product page and environmental datasheet for RoHS/REACH confirmation.
