DSPIC33CK64MP505-E/M4 - 100MHz 64KB DSC CAN-FD | Microchip
MPN: DSPIC33CK64MP505-E/M4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.61 | $46.10 |
| 100 | $4.1 | $410.00 |
| 500 | $3.69 | $1,845.00 |
| 1,000 | $3.28 | $3,280.00 |
DSPIC33CK64MP505-E/M4 Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control behavior of a microcontroller. Within the power-management hierarchy of embedded processors, the DSC sits between general-purpose MCUs and application-specific DSPs, making the dsPIC33CK family a common choice for closed-loop control systems that require fast math, tight sampling loops, and rich analog peripherals on a single chip.
Key features include the 100 MHz dsPIC33CK DSC core with DSP engine and Modified Harvard architecture, high-resolution PWM (HRPWM) outputs for precision power conversion, a CAN Flexible Data-rate (CAN FD) module for in-vehicle and industrial networks, and three integrated operational amplifiers and three comparators that offload external analog signal-conditioning components. The -E temperature grade supports operation down to -40C, and the device operates from a 3.0V to 3.6V nominal 3.3V supply.
Architecturally, the dsPIC33CK core executes up to 100 MIPS with hardware DSP multiply-accumulate, supporting single-cycle MAC operations for filter and transform algorithms. Dual-partition Flash with ECC enables live firmware updates in the field, while Memory Built-In Self-Test (MBIST) supports functional-safety development. The Peripheral Trigger Generator (PTG) automates time-critical peripheral sequencing without CPU intervention.
Typical applications include digital power supplies (totem-pole PFC, LLC converters), brushless DC and PMSM motor control, automotive actuator and solenoid control, and advanced sensing nodes where CAN FD connectivity and on-chip analog reduce board area and BOM cost.
A key design consideration is managing the exposed-pad thermal connection: the UQFN-48 EP pad must be soldered to a grounded copper pour to achieve rated thermal performance in high-switching-frequency power designs.
This page synthesizes distributor data, drop-in alternatives, design notes, and application guidance not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP505-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 DSPIC33CK64MP505-E/M4 (same form factor and footprint) — differing in Package, Architecture, Operating Temperature, PWM, CAN Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP505-I/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.1 / Unit
View Datasheet →DSPIC33CK64MP505-E/M4VAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK32MP505-E/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33CK32MP505-I/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.78 / Unit
View Datasheet →DSPIC33CK256MP205-E/M4
✅ Drop-In✓ In Stock
$1.87 / Unit
View Datasheet →DSPIC33CK64MP505-E/M4 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC |
| Maximum Operating Frequency | 100 MHz (100 MIPS) |
| Program Flash Memory | 64 KB (with ECC, dual-partition Live Update) |
| Data SRAM | 8 KB |
| Supply Voltage (Nominal) | 3.3 V |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature Range | -40C to +125C (E grade) |
| Package | 48-pin UQFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q100 qualified |
| CAN Interface | CAN FD (Flexible Data-rate) |
| On-chip Operational Amplifiers | 3 |
| On-chip Comparators | 3 |
| High-Resolution PWM | Yes (HRPWM) |
| Peripheral Trigger Generator (PTG) | Yes |
| Flash ECC | Yes |
| Memory BIST (MBIST) | Yes |
| Architecture | Modified Harvard, single-core |
DSPIC33CK64MP505-E/M4 48-pin uqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33CK64MP505-E/M4 (48-pin 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 DSPIC33CK64MP505-E/M4.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP505-E/M4 is suitable for 6 applications: Digital Power Supplies, Brushless Motor Control, Automotive Body and Solenoid Control, CAN FD Industrial Sensing Nodes, LED Lighting and Smart Drivers, Advanced Sensing and Control Systems.
Digital Power Supplies
The DSPIC33CK64MP505-E/M4 fits digital power conversion because its 100 MHz (100 MIPS) DSP core closes voltage- and current-mode control loops fast enough for switching frequencies well above 100 kHz, and its high-resolution PWM provides the fine duty-cycle granularity that topologies like totem-pole PFC, LLC, and synchronous buck demand. In a typical implementation, the DSC reads output voltage and shunt current through its on-chip ADCs, computes compensation with single-cycle MAC instructions, and updates HRPWM duty and phase each switching cycle. The three integrated op amps amplify current-shunt signals and the three comparators execute cycle-by-cycle overcurrent trip in hardware, eliminating external analog controller ICs and reducing BOM cost. Firmware updates via dual-partition Flash with ECC allow field tuning of control laws without halting operation.
Recommended
Brushless Motor Control
The DSPIC33CK64MP505-E/M4 is well suited to three-phase BLDC and PMSM motor control. The 100 MHz DSP core runs field-oriented-control (FOC) loops at PWM rates beyond 20 kHz with headroom for sensorless observers such as sliding-mode or back-EMF estimators. Complementary high-resolution PWM outputs generate six inverter gate signals with programmable dead time, while the three on-chip op amps amplify low-side phase-current shunts and feed the ADC simultaneously. Hardware comparators provide instant overcurrent shutdown independent of software latency, protecting MOSFET bridges during rotor lock or fault events. The AEC-Q100 -E temperature grade (-40C to +125C) supports under-hood actuator modules, electric pumps, and HVAC blower drives, and the CAN FD module connects the motor controller to vehicle or industrial networks with 64-byte payloads.
Recommended
Automotive Body and Solenoid Control
With AEC-Q100 qualification, -40C to +125C operation, and an integrated CAN FD controller, the DSPIC33CK64MP505-E/M4 addresses automotive solenoid drivers, valve controls, and actuator modules. Solenoid current shaping is handled by HRPWM outputs driving low-side FETs, with shunt currents amplified by the internal op amps and monitored by the ADC; hardware comparators implement fast demagnetization and short-circuit detection. Flash ECC and Memory BIST provide the diagnostic coverage expected in functional-safety-oriented designs, while dual-partition Live Update allows field firmware updates consistent with over-the-air service strategies. The 48-pin 6x6 mm UQFN conserves PCB area in compact actuator housings, and the Peripheral Trigger Generator sequences ADC sampling against PWM without CPU intervention, freeing MIPS for network handling and diagnostics.
Recommended
CAN FD Industrial Sensing Nodes
For industrial sensing and control nodes on CAN networks, the DSPIC33CK64MP505-E/M4 combines a CAN FD controller supporting 64-byte payloads and higher data-phase bit rates with rich on-chip analog. Sensor signals from pressure, current, or position transducers are conditioned by the three op amps, thresholded by the three comparators, and digitized by the ADC with PTG-automated sample sequencing, reducing external signal-chain components to near zero. The 100 MHz core handles CAN stack processing, local filtering, and diagnostic computation concurrently. The industrial -I variant (-40C to +85C) offers a cost-reduced option for factory-floor nodes, while the -E grade covers outdoor and high-temperature installations. The 8 KB SRAM accommodates CAN FD buffers and a modest communication stack alongside the control application.
Recommended
LED Lighting and Smart Drivers
The DSPIC33CK64MP505-E/M4 serves intelligent LED driver applications where constant-current regulation, dimming, and fault protection must be executed digitally. High-resolution PWM provides precise dimming resolution free of audible-band artifacts, supporting both PWM and analog (current-amplitude) dimming schemes in buck, boost, or SEPIC LED drivers. The on-chip op amps sense LED string current through shunt resistors, comparators enforce cycle-by-cycle overcurrent limits during string short or open faults, and the ADC feeds average-current control loops closed by the 100 MHz DSP core. In networked architectural lighting, the CAN FD interface links drivers to building controllers. The 48-pin UQFN with exposed pad dissipates driver-supervision heat into the PCB copper pour, and dual-partition Flash enables field updates of color-mixing or dimming curves.
Recommended
Advanced Sensing and Control Systems
The DSPIC33CK64MP505-E/M4 fits advanced sensing platforms that merge measurement, computation, and actuation on one chip. The three op amps and three comparators condition and threshold analog front-ends for bridge, shunt, or capacitive sensors, while the PTG sequences ADC conversions against stimulation sources deterministically, improving measurement repeatability. The 100 MHz DSP core executes digital filtering, FFT-based analysis, and correction algorithms using hardware MAC instructions, and the 64 KB ECC Flash with dual-partition support stores calibration tables and allows safe field re-calibration. Results and system commands travel over CAN FD in industrial deployments or as discrete fast I/O in embedded instruments. The AEC-Q100 -E grade extends these sensing architectures into automotive pressure, current, and position sensing modules.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP505-E/M4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP505-I/M4 | DSPIC33CK64MP505-E/M4VAO | DSPIC33CK32MP505-E/M4 | DSPIC33CK256MP205-E/M4 |
|---|---|---|---|---|---|
| Package | 48-UQFN (6x6) EP (M4) | 48-UQFN (6x6) EP (M4) - same | 48-UQFN (6x6) EP (M4) - same | 48-UQFN (6x6) EP (M4) - same | 48-UQFN (6x6) EP (M4) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB (ECC, dual-partition) | 64 KB | 64 KB | 32 KB | 256 KB |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Temperature Range | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| AEC-Q100 | Qualified | Not qualified (industrial) | Qualified | Qualified | Qualified |
Key Differentiators
- Extended automotive temperature range and AEC-Q100 qualification (vs DSPIC33CK64MP505-I/M4)
- Doubled program memory at identical footprint (vs DSPIC33CK32MP505-E/M4)
- Cost-efficient code space for mainstream designs (vs DSPIC33CK256MP205-E/M4)
Design Notes
The 48-pin UQFN (6x6 mm) exposed pad is the primary thermal and ground path. Solder the EP to a grounded copper pour with an array of thermal vias (typically 5x5, 0.3 mm drill, filled or tented) to the internal ground plane. Estimated: at 100 MHz full-core operation from 3.3V, device current is on the order of 60-80 mA (verify against the datasheet power tables), giving roughly 0.2-0.3 W dissipation; the EP construction keeps junction rise modest, but in dense power boards with adjacent hot components, verify theta_JA with your actual copper area and stack-up.
Place a 0.1 uF ceramic decoupling capacitor at every VDD/VSS pin pair, as close to the pins as possible, plus at least one 4.7-10 uF bulk capacitor per device. Separate the analog supply (AVDD) from digital VDD with an RC or ferrite filter to preserve ADC and op-amp accuracy. Route HRPWM outputs away from analog traces, and keep the oscillator traces short and guarded. Follow the layout guidelines in Microchip's dsPIC33CK family datasheet and its High-Speed PWM reference design documents.
Do not confuse distributor aggregator data with the official Microchip specification: some third-party pages list 64 MHz as the maximum frequency, but Microchip's product page and family datasheet specify DC to 100 MIPS. Also note the supply window is 3.0V to 3.6V - parts are not 5V tolerant at VDD below 3.6V, so level-shift any 5V logic interfaces. Finally, when swapping to the 256 KB MP205 variant for extra memory, re-verify the pin mapping and peripheral allocation, since family density variants can reallocate some package pin functions.
Compliance Information
AEC-Q100 qualification and automotive-grade designation confirmed by DigiKey, Mouser, and datasheets.com listings. RoHS/REACH status not stated in the provided data; confirm on Microchip's official product page before production.
