DSPIC33CK64MP203T-I/M5 - 100MHz 16-bit DSC 64KB Flash | Microchip
MPN: DSPIC33CK64MP203T-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.35 | $2.35 |
| 10 | $2.12 | $21.20 |
| 100 | $1.95 | $195.00 |
| 500 | $1.78 | $890.00 |
| 1,000 | $1.62 | $1,620.00 |
DSPIC33CK64MP203T-I/M5 Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic interrupt architecture of a microcontroller. Within the embedded-systems hierarchy, the dsPIC33CK family sits between general-purpose MCUs and application-specific DSPs, making it a common choice where tight real-time control loops meet moderate signal-processing workloads such as digital power conversion and motor control.
Key features include the 16-bit dsPIC33CK core with DSP instruction set, 250 ps PWM resolution for high-resolution power-stage control, CAN FD for robust automotive and industrial networking, and integrated analog peripherals including 3 operational amplifiers and 3 comparators that reduce external component count. The M5 suffix part also carries Functional Safety (FuSa) qualification documentation support per Microchip's product page.
Technically, the core executes from a 24-bit instruction width with hardware loop and barrel shifter support, and DMA offloads data movement between high-speed peripherals such as the ADC and PWM, allowing interrupt-free closed-loop control in digital power designs.
Typical applications include digital switch-mode power supplies, PFC stages, brushless DC and PMSM motor drives, and industrial sensing nodes where CAN FD connectivity is required.
Design consideration: the 3.0-3.6 V supply window means designers must plan an LDO or buck regulator upstream; the exposed pad must be soldered to a ground plane for thermal and signal integrity.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes beyond the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP203T-I/M5 — 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 DSPIC33CK64MP203T-I/M5 (same form factor and footprint) — differing in Package, Comparators, Core, Core Architecture, Core Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP203T-I/M5VAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK64MC103T-I/M5
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.58 / Unit
View Datasheet →DSPIC33CK32MP203T-I/M5
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK16MP203T-I/M5
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MP203T-I/M5 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK, 16-bit |
| Core Architecture | Digital Signal Controller (DSC) |
| Maximum Clock Frequency | 100 MHz |
| Performance | DC to 100 MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data RAM Size | 8 KB |
| Operating Supply Voltage | 3.0 V to 3.6 V |
| PWM Resolution | 250 ps |
| CAN Interface | CAN FD |
| Operational Amplifiers | 3 |
| Comparators | 3 |
| Number of Cores | 1 |
| Operating Temperature Range | -40C to +85C |
| Package | 36-UQFN (5x5 mm), exposed pad |
| Mounting Style | SMD/SMT |
| Functional Safety (FuSa) | Supported |
| Special Peripherals | PTG (Peripheral Trigger Generator) |
| Packaging | Tape & Reel (T suffix) |
DSPIC33CK64MP203T-I/M5 36-uqfn (5x5 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33CK64MP203T-I/M5 (36-uqfn (5x5 mm), exposed pad 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 DSPIC33CK64MP203T-I/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP203T-I/M5 is suitable for 6 applications: Digital Switch-Mode Power Supplies, Brushless DC / PMSM Motor Drives, CAN FD Industrial Networking Nodes, Advanced Sensing and Signal Conditioning, High-Brightness LED Lighting Control, Automotive and Functional Safety Control Modules.
Digital Switch-Mode Power Supplies
The DSPIC33CK64MP203T-I/M5 fits digital power conversion because its 250 ps PWM resolution enables duty-cycle adjustments far finer than the switching period, supporting LLC, buck, boost, and PFC topologies with precise transient response. The on-chip 3 op-amps condition current-shunt signals without external amplifiers, while the 3 comparators provide hardware-cycle-by-cycle over-current protection that reacts faster than software interrupt latency. Running at 100 MIPS, the core executes compensator calculations for switching frequencies in the hundreds of kHz with margin to spare. The Peripheral Trigger Generator (PTG) sequences ADC sampling to PWM edges deterministically, minimizing control-loop jitter that would otherwise degrade output regulation and efficiency in digital power designs.
Recommended
Brushless DC / PMSM Motor Drives
Field-oriented control (FOC) of BLDC and PMSM motors requires fast, deterministic current loops and precise three-phase PWM, both native strengths of the DSPIC33CK64MP203T-I/M5. The 100 MHz 16-bit DSP core executes Park/Clarke transforms and PI controllers well within a 20 kHz control period, while 250 ps PWM edge resolution keeps dead-time minimization accurate for low-torque-ripple operation. Integrated op-amps amplify low-level phase-current shunt signals and comparators implement hardware over-current trips. CAN FD connectivity supports industrial and automotive networked drives, and the -40C to +85C industrial rating covers factory-floor ambient conditions. Microchip supplies motor-control libraries and reference designs for this family, shortening development time.
Recommended
CAN FD Industrial Networking Nodes
The integrated CAN FD module makes the DSPIC33CK64MP203T-I/M5 well suited as a networked sensor or actuator node in industrial automation, where a single DSC handles both the CAN FD protocol and local control tasks. CAN FD payload bandwidths far exceed classic CAN, letting one node stream diagnostic telemetry while closing local control loops at 100 MIPS. The 8 KB RAM buffers message queues and the DMA engine moves CAN frames without CPU intervention, preserving deterministic response for real-time tasks. Combined with the industrial -40C to +85C rating and the 3.0-3.6 V rail shared with standard industrial logic, the part integrates network edge intelligence into a single 5x5 mm UQFN footprint.
Recommended
Advanced Sensing and Signal Conditioning
The DSPIC33CK64MP203T-I/M5 integrates 3 operational amplifiers and 3 comparators, allowing direct interfacing with bridge sensors, current shunts, and other low-level analog sources without external amplifier ICs. The 16-bit DSP core performs digital filtering (IIR/FIR), calibration, and linearization in real time at up to 100 MIPS, converting raw conditioned signals into calibrated engineering units on-chip. DMA transfers ADC results to RAM transparently while the Peripheral Trigger Generator synchronizes sampling to precise timing sources, reducing noise from sampling jitter. This single-chip approach shortens the analog signal chain, improves noise immunity, and lowers BOM cost for industrial transmitters, load-cell front ends, and condition-monitoring sensors.
Recommended
High-Brightness LED Lighting Control
Digital LED drivers benefit from the DSPIC33CK64MP203T-I/M5's 250 ps PWM resolution, which supports high-frequency dimming with smooth, flicker-free current regulation across a wide dimming range. The PWM resolution allows average current-mode control of buck or boost LED stages at switching frequencies where magnetics and capacitors stay small, while on-chip comparators implement cycle-by-cycle current limiting for LED-string protection. CAN FD enables networked architectural and horticultural lighting systems where fixtures report status and accept dimming commands on a shared bus. The 5x5 mm UQFN package fits into compact driver boards, and the industrial temperature range suits enclosed luminaires with elevated internal ambient temperatures.
Recommended
Automotive and Functional Safety Control Modules
The DSPIC33CK64MP203T-I/M5 is listed with Functional Safety (FuSa) support by DigiKey, and its VAO sibling variant (DSPIC33CK64MP203T-I/M5VAO) is offered specifically for functional-safety development. Combined with the CAN FD interface used pervasively in vehicle networks, this makes the device appropriate for safety-relevant auxiliary control modules such as pump control, actuator supervision, and sensor fusion nodes. The 100 MIPS core provides headroom for safety monitors running alongside the primary control function, and the hardware comparators offer fast, independent protection paths. Developers should use Microchip's FuSa documentation package and validate against the target safety standard for their application segment.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP203T-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP203T-I/M5VAO | DSPIC33CK64MC103T-I/M5 | DSPIC33CK32MP203T-I/M5 |
|---|---|---|---|---|
| Package | 36-UQFN (5x5) | 36-UQFN (5x5) - same | 36-UQFN (5x5) - same | 36-UQFN (5x5) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Clock | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB |
| CAN FD | Yes | Yes | Yes | Yes |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Functional Safety documentation support in a standard-price part (vs DSPIC33CK64MC103T-I/M5)
- Integrated 3 op-amps and 3 comparators reduce BOM (vs DSPIC33CK64MC103T-I/M5)
- Memory headroom for control algorithms (vs DSPIC33CK32MP203T-I/M5)
Design Notes
Supply the DSPIC33CK64MP203T-I/M5 from a clean 3.3 V rail within the 3.0-3.6 V window. Place 100 nF ceramic decoupling capacitors at every VDD pin pair and one bulk 10 uF capacitor near the device. Because the on-chip op-amps are used for current sensing in digital power and motor control, isolate the analog supply path from noisy digital loads; a ferrite bead plus local 1 uF capacitor on the analog rail improves ADC and op-amp accuracy.
The exposed pad of the 36-pin UQFN (5x5) package must be connected to ground. Use a via array (typically 4-9 vias) under the pad to tie it to the internal ground plane: this provides both thermal relief for the small 5x5 mm body and a low-inductance ground return essential for fast PWM edges and comparator response. Avoid routing high-dV/dt PWM traces under the package; route current-sense signals differentially to the op-amp inputs.
Take advantage of Peripheral Pin Select (PPS) on the dsPIC33CK family during layout optimization: most digital peripherals can be mapped to multiple pins, allowing you to place PWM outputs adjacent to gate drivers and CAN FD pins near the transceiver. Reserve the ICSP programming pins for a 5-pin header before finalizing routing, since rework on 0.5 mm pitch UQFN pads is difficult. Keep the 250 ps-resolution PWM outputs away from high-impedance ADC inputs to prevent capacitive coupling of switching edges.
The T suffix denotes Tape & Reel; confirm the correct MSL handling per the latest Microchip packing documentation before reflow. Do not assume fixed peripheral pin assignments from older dsPIC33F designs - the dsPIC33CK uses PPS remapping and pin maps differ. When substituting MP-series with MC-series parts in the same package, re-verify the analog peripheral map (op-amp/comparator count) in the datasheet before releasing the BOM change.
Compliance Information
Current-production Microchip DSC in standard RoHS/lead-free package per manufacturer production standards; formal REACH, halogen-free, and conflict-minerals declarations not retrieved in this data set - download the Material Declaration from Microchip's compliance portal.
