DSPIC33CK64MP205-E/M4 - 100MHz 16-bit DSC 64KB Flash | Microchip
MPN: DSPIC33CK64MP205-E/M4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.9 | $4.90 |
| 10 | $4.55 | $45.50 |
| 100 | $4.1 | $410.00 |
| 500 | $3.75 | $1,875.00 |
| 1,000 | $3.4 | $3,400.00 |
DSPIC33CK64MP205-E/M4 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 DSC sits between a general-purpose MCU and a dedicated DSP: it executes single-cycle MAC and DSP instructions while integrating high-resolution PWM, ADC, and analog front ends on one die. Microchip's dsPIC33CK family targets real-time closed-loop control systems where sampling, computation, and PWM updates must complete within one switching cycle.
Key differentiating features include the 100 MIPS dsPIC33C core with DSP instruction extensions and zero-overhead loops, dual-partition Flash with live update support and ECC, three on-chip op amps that eliminate external amplifiers in current-sense chains, and a high-resolution PWM module suited to peak-current-mode and multiphase power conversion.
The -E temperature suffix guarantees operation from -40C to +125C, supporting automotive-adjacent and high-temperature industrial environments. The 48-UQFN (6x6) package with exposed pad provides low-inductance ground returns for fast analog peripherals and a compact 36 mm2 footprint for dense power boards.
Typical applications include digital power supplies (totem-pole PFC, LLC), brushless DC and PMSM motor control (FOC), digital LED lighting, and advanced sensing where the PTG and CLC peripherals offload sequencing tasks from the CPU.
Design consideration: the 3.0V to 3.6V operating range and dense UQFN pin pitch demand careful PCB stack-up; place the exposed thermal pad on a solid ground plane with multiple thermal vias.
This page synthesizes distributor pricing, same-footprint family alternatives, and practical design guidance not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP205-E/M4 — 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 DSPIC33CK64MP205-E/M4 (same form factor and footprint) — differing in Operating Temperature, Package, Core, PWM, Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK32MP205-I/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.39 / Unit
View Datasheet →DSPIC33CK256MP205-E/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.87 / Unit
View Datasheet →DSPIC33CK64MP505-I/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.1 / Unit
View Datasheet →DSPIC33CK64MC105T-I/M4
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33CK32MC105-E/M4
✅ Drop-In✓ In Stock
$3.2 / Unit
View Datasheet →DSPIC33CK64MP205-E/M4 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum CPU Speed | 100 MHz (100 MIPS) |
| Program Flash | 64 KB (with ECC and dual-partition live update) |
| Data SRAM | 8 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| On-chip Operational Amplifiers | 3 |
| Comparators | 3 |
| Pattern Generator (PTG) | Yes |
| CAN | CAN Flexible Data (CAN FD) |
| PWM | High-Resolution PWM |
| Package | 48-UQFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Qualification | Functional Safety (FuSa) supported |
| Architecture | Modified Harvard, 16-bit |
DSPIC33CK64MP205-E/M4 48-uqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33CK64MP205-E/M4 (48-uqfn (6x6 mm) with 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 DSPIC33CK64MP205-E/M4.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP205-E/M4 is suitable for 6 applications: Digital Power Supplies (PFC / LLC), Brushless DC and PMSM Motor Control (FOC), Digital LED Lighting and Ballasts, Automotive and Industrial Sensing Nodes, Wireless Charging and Consumer Power Adapters, Embedded Security, Gateways and Industrial Control.
Digital Power Supplies (PFC / LLC)
The DSPIC33CK64MP205-E/M4 fits digital power conversion because its 100 MHz core can complete current- and voltage-loop computations within a single switching cycle of a 100 kHz+ converter, while the high-resolution PWM module provides sub-nanosecond duty-cycle resolution needed for phase shedding and burst mode. In a totem-pole PFC or half-bridge LLC design, the three on-chip op amps amplify shunt-resistor current signals, and the three comparators trigger cycle-by-cycle current limiting in hardware without CPU intervention. Firmware typically runs dual-loop control with dead-time compensation and adaptive startup, all executed with deterministic interrupt latency. Unlike a general-purpose MCU, no external analog controller is required, reducing BOM count; unlike a fixed-function controller, the compensation network is fully firmware-tunable. Place the device near the power stage with short PWM traces to gate drivers to minimize ringing.
Recommended
Brushless DC and PMSM Motor Control (FOC)
Field-oriented control of permanent-magnet motors demands fast, deterministic execution: Clarke/Park transforms, PI current loops at 10-20 kHz, and a speed loop, all on a 100 MHz 16-bit core with DSP single-cycle MAC instructions. The DSPIC33CK64MP205-E/M4 integrates the complete signal chain on-chip: the three operational amplifiers condition low-side shunt currents, the ADC samples them synchronized to PWM center, and the high-resolution PWM drives a three-phase inverter with precise dead-time insertion. The PTG and CLC peripherals can sequence commutation states in hardware, freeing CPU cycles for observers and protection logic. The CAN FD interface links the drive to industrial or vehicle networks. Operating from -40C to +125C, it suits pump, fan, and traction-adjacent environments. Use the exposed pad as a low-inductance ground to keep ADC noise low during inverter switching.
Recommended
Digital LED Lighting and Ballasts
High-power LED drivers require constant-current regulation with fast cycle-by-cycle protection and smooth dimming - a combination the DSPIC33CK64MP205-E/M4 addresses with its high-resolution PWM and hardware comparators. The 100 MHz core runs average-current-mode control for buck or flyback LED stages at switching frequencies above 100 kHz, while the three on-chip op amps read current-shunt feedback without external amplifiers, cutting BOM cost in space-constrained lamp housings. Dimming schemes such as phase-cut, CCR, and hybrid PWM/amplitude dimming are implemented purely in firmware, and DALI or DMX interfaces run over UART with modest code size that fits comfortably in the 64 KB Flash. The -40C to +125C rating covers enclosed luminaires and streetlight heads. The PTG peripheral can autonomously generate multi-channel PWM patterns for color-mixing applications with zero CPU overhead.
Recommended
Automotive and Industrial Sensing Nodes
Advanced sensing nodes benefit from the DSPIC33CK64MP205-E/M4 combination of a 100 MHz DSP-capable core, flexible 12-bit ADC sampling, and CAN FD connectivity for deterministic network updates. The three op amps bias and amplify bridge sensors (pressure, strain, current), while the comparators implement threshold alarms in hardware for fail-safe behavior even if firmware stalls. The 64 KB ECC-protected Flash supports field firmware updates via live update dual-partition bootloading, a key requirement for deployed sensors. Functional-safety (FuSa) support and the -40C to +125C operating range align with industrial and automotive-adjacent qualification environments. Sensor fusion tasks such as FFT-based vibration analysis execute efficiently using DSP MAC instructions. Route the analog sensor inputs away from the PWM pins on the 48-UQFN footprint and average multiple ADC samples to reduce switching-noise coupling into measurements.
Recommended
Wireless Charging and Consumer Power Adapters
Wireless power transmitters and high-density USB-C adapters need precise, high-frequency control of resonant half-bridges plus reliable communication with the receiver - a match for the 100 MHz DSPIC33CK64MP205-E/M4 with its high-resolution PWM, on-chip op amps for current telemetry, and hardware comparators for fast fault shutdown. The core closes frequency/phase control loops for LLC-class resonant topologies at tens of microseconds per iteration, well within the 10 us control period of a 100 kHz converter. Interoperability protocols such as Qi power negotiation run over UART or GPIO bit-banging and fit easily in 64 KB Flash alongside the control firmware. Adaptive dead-time and burst-mode firmware maximize light-load efficiency to meet consumer standby regulations. The compact 6x6 mm UQFN package suits adapter PCBs where every square millimeter counts.
Recommended
Embedded Security, Gateways and Industrial Control
As a general embedded controller, the DSPIC33CK64MP205-E/M4 offers a 100 MHz 16-bit core, 64 KB ECC Flash with live update, 8 KB RAM, and rich connectivity (CAN FD, multiple UART/SPI/I2C via Peripheral Pin Select), making it effective for industrial gateway nodes, PLC I/O modules, and real-time control coprocessors. The ECC-protected program memory raises reliability in electrically noisy factory environments, and dual-partition live update allows firmware to be swapped without downtime. Hardware CLC and PTG peripherals handle glue logic and protocol generation without CPU load, and the DSP engine accelerates filtering and encoding tasks. The -E temperature grade and FuSa support fit industrial safety-adjacent programs. Design consideration: budget the 8 KB RAM carefully - complex protocol stacks should use static allocation and ping-pong DMA buffers rather than dynamic memory.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP205-E/M4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK32MP205-I/M4 | DSPIC33CK256MP205-E/M4 | DSPIC33CK64MP505-I/M4 | DSPIC33CK64MC105T-I/M4 | DSPIC33CK32MC105-E/M4 |
|---|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) EP | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Program Flash | 64 KB | 32 KB | 256 KB | 64 KB | 64 KB | 32 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (I grade) | -40C to +125C (E grade) | -40C to +125C (I grade) | -40C to +125C (I grade) | -40C to +125C (E grade) |
Key Differentiators
- Three integrated operational amplifiers (vs DSPIC33CK64MP505-I/M4)
- Extended -40C to +125C operation (vs DSPIC33CK32MP205-I/M4)
- Balanced 64 KB Flash without cost of large-memory variants (vs DSPIC33CK256MP205-E/M4)
Design Notes
The 48-UQFN 6x6 package has a 0.5 mm pin pitch and a large exposed pad. Solder the exposed pad to a dedicated ground array with at least a 3x3 via field to the internal ground plane; this is both the primary thermal path and the low-inductance return for fast PWM edges. Use NSMD pads and a stencil aperture with approximately 80% coverage on the center pad to prevent voiding and excessive solder bleed that could bridge the fine-pitch perimeter pins.
Decouple every VDD pin pair with 100 nF X7R capacitors placed within 2 mm of the pins, plus 4.7-10 uF bulk at the board level. The device shares its 3.0-3.6 V supply between digital core, ADC, and on-chip op amps; in high-switching-noise designs (digital power, motor drives) supply AVDD through an RC or LC filter from the main 3.3 V rail to protect ADC accuracy. Verify the exact recommended decoupling network and AVDD topology in the manufacturer datasheet before release.
Do not treat the on-chip op amps as general-purpose rail-to-rail amplifiers without checking gain-bandwidth limits in the datasheet; for high-gain current sensing, verify bandwidth at your chosen gain. Configure Peripheral Pin Select assignments early in firmware development - analog-capable pins are fixed while digital functions are mappable, and conflicts are a common integration bug. The 8 KB RAM is small: avoid dynamic allocation and heavy printf-style libraries, which can exhaust the stack. Plan the dual-partition live update Flash layout at project start, since retrofitting a bootloader is disruptive.
Compliance Information
FindIC describes the part as a modern RoHS-era '48-Pin UQFN EP' automotive-context offering, but the retrieved web data contains no explicit RoHS/REACH/lead-free certificate for this exact ordering code. Confirm via Microchip product page or material declaration before regulatory reliance.
