DSPIC33CK64MP508-E/PT - 100 MHz 16-bit DSC, 64KB Flash | Microchip
MPN: DSPIC33CK64MP508-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.45 | $3.45 |
| 10 | $3.1 | $31.00 |
| 100 | $2.79 | $279.00 |
| 500 | $2.55 | $1,275.00 |
| 1,000 | $2.35 | $2,350.00 |
DSPIC33CK64MP508-E/PT Overview
A digital signal controller combines the compute power of a DSP with the peripheral integration and deterministic interrupt structure of a microcontroller. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated digital signal processor: it executes tight control loops (current, voltage, phase) in digital power converters and motor drives while managing communication stacks such as CAN FD. The dsPIC33CK family implements a Modified Harvard architecture with a DSP-enhanced instruction set including DSP engine, MAC and dual-operand fetch.
Key differentiating features include up to 100 MIPS performance (DC to 100 MIPS per the Microchip datasheet DS70005349), dual-partition Flash with ECC and Live Update enabling in-field firmware upgrades without downtime, nine MCCP/SCCP timer modules for capture/compare/PWM, and three on-chip op amps plus comparators that offload analog signal conditioning from external components. The Peripheral Trigger Generator (PTG) provides up to 15 trigger sources and a CPU-independent state machine sequencer.
Architecturally, the dsPIC33CK core couples a 16-bit CPU with DSP engine, hardware loops and fast interrupts, while the high-resolution PWM (HRPWM) achieves sub-nanosecond-equivalent duty-cycle resolution for switching power stages, and the CAN FD module supports flexible-data-rate automotive and industrial networking.
Typical applications include digital power supplies (totem-pole PFC, LLC), PMSM/BLDC motor control, automotive sensing and control nodes using CAN FD, and industrial control systems requiring deterministic real-time response.
Design consideration: the extended-temperature E-grade device operates from 3.0V to 3.6V only; ensure the 3.3V rail remains within tolerance at full 100 MHz clock speed, and verify Flash endurance and retention figures in the datasheet for your ambient temperature.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP508-E/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 DSPIC33CK64MP508-E/PT (same form factor and footprint) — differing in Core, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP508-I/PT
✅ Drop-In✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33CK64MP508-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33CK32MP508-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK128MP508-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK256MP508-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33CK64MP508-E/PT Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33CK DSC core |
| Performance | DC to 100 MIPS |
| Program Flash | 64 KB with ECC, dual-partition (Live Update) |
| Data SRAM | 8 KB with MBIST |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +150C (extended, E-grade) |
| Architecture | Modified Harvard, 16-bit, DSP-enhanced |
| CAN | CAN Flexible Data (CAN FD) |
| Timers | 9 MCCP/SCCP modules (1 MCCP, 8 SCCP), 16/32-bit |
| Peripheral Trigger Generator | Up to 15 trigger sources, CPU-independent sequencer |
| Package | 80-TQFP (12x12 mm), PT suffix |
| Mounting Type | Surface Mount |
| Technology | CMOS |
| Pin Count | 80 |
| High-Resolution PWM | Yes (HRPWM) |
| Analog Peripherals | Op amps, comparators, ADCs (per family datasheet) |
DSPIC33CK64MP508-E/PT 80-tqfp (12x12 mm), pt suffix Pin Configuration Guide
Pin configuration for DSPIC33CK64MP508-E/PT (80-tqfp (12x12 mm), pt suffix 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 DSPIC33CK64MP508-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP508-E/PT is suitable for 6 applications: Digital Power Supplies (PFC, LLC), BLDC/PMSM Motor Control, Automotive CAN FD Sensing Nodes, Industrial Automation and Control, Battery Management Systems, Solar Inverters and Power Conversion.
Digital Power Supplies (PFC, LLC)
The DSPIC33CK64MP508-E/PT fits digital power conversion because its 100 MIPS core sustains sub-100 kHz voltage and current control loops while the high-resolution PWM delivers fine duty-cycle granularity for switching stages such as totem-pole PFC and LLC half-bridges. Three 12-bit ADCs sample current shunts and output voltages with fast conversion triggering, and the on-chip op amps and comparators implement cycle-by-cycle overcurrent protection without external ICs. Placed as the supervisory controller between the power stage gate drivers and the feedback network, the DSC's PTG state machine sequences PWM, ADC, and trigger events CPU-independently, reducing loop jitter and freeing MIPS for the compensator. The E-grade -40C to +150C rating suits high-ambient PSU environments near hot switching components.
Recommended
BLDC/PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33CK64MP508-E/PT offers the exact peripheral mix required: complementary high-resolution PWM outputs driving a three-phase inverter, simultaneous-sampling ADC channels for phase-current reconstruction, and comparators for hardware fault shutdown within a single switching period. At 100 MIPS, the core executes field-oriented control (FOC) with overhead to spare for a CAN FD link to the host. The nine MCCP/SCCP modules provide rotor-position timers and dead-time generation without additional silicon. In a typical servo or e-bike drive, the DSC sits between the current-sense shunt amplifiers and the three-phase gate drivers; the E-grade temperature rating keeps the controller safe mounted on a hot motor-drive PCB where ambient near power devices exceeds 100C.
Recommended
Automotive CAN FD Sensing Nodes
The integrated CAN Flexible Data (CAN FD) module makes the DSPIC33CK64MP508-E/PT a strong candidate for automotive sensor and actuator nodes that must ship larger payloads (up to 64 bytes) at higher bit rates than classical CAN. Combined with the extended -40C to +150C operating range required in under-hood zones, the DSC can run its real-time sensing loop while the CAN FD peripheral buffers traffic with minimal CPU intervention. Multiple SCCP timers handle input capture from rotary encoders or hall sensors, and the 12-bit ADCs digitize analog sensor signals with the on-chip op amps providing gain for low-level signals such as pressure or position transducers. Designers should verify AEC qualification level for their specific part number suffix before automotive production use.
Recommended
Industrial Automation and Control
In factory automation, the DSPIC33CK64MP508-E/PT serves as a deterministic real-time controller for conveyors, pumps, and process actuators. Its 80-pin TQFP exposes abundant remappable I/O through Peripheral Pin Select, letting one PCB serve multiple product variants by software routing of UART, SPI, and PWM signals. The 100 MIPS DSP engine executes digital filters on sensor feedback, while dual-partition Flash with ECC and Live Update allows firmware field upgrades over an industrial network without halting production lines - a key maintenance benefit in 24/7 plants. The MBIST-capable SRAM supports functional-safety documentation requirements. Designers typically pair the DSC with isolated RS-485 or CAN transceivers and rely on the PTG to synchronize acquisition and control timing independent of main-loop latency.
Recommended
Battery Management Systems
Battery management is a natural fit for this DSC because cell monitoring demands simultaneous multi-channel ADC sampling, fast overcurrent comparators, and robust communication - all integrated here. The three 12-bit ADCs can be sequenced across cell-voltage inputs while on-chip comparators trip hardware protection thresholds in microseconds, independent of software latency. The CAN FD interface connects the BMS slave to the pack master with 64-byte frames carrying full telemetry. The -40C to +150C E-grade tolerance survives battery-pack internal temperatures during fast charge and fault conditions, and the low-power modes preserve pack life when the system sleeps. Firmware updates via dual-partition Live Update allow field safety-patch deployment without service intervention, an increasingly mandatory BMS feature.
Recommended
Solar Inverters and Power Conversion
Grid-tied and off-grid solar inverters need simultaneous MPPT control, grid-current regulation, and protective relaying - workloads the DSPIC33CK64MP508-E/PT handles with its 100 MIPS core, high-resolution PWM for the DC-DC boost and DC-AC stages, and multi-channel ADC scanning of PV voltage/current plus grid feedback. The PTG sequences ADC sampling to PWM updates for minimal control-loop delay, improving MPPT tracking efficiency. On-chip comparators implement rapid anti-islanding and overcurrent shutdown required by inverter safety standards. The extended temperature rating suits outdoor enclosures where controller ambient reaches 100C or more, and the CAN FD or UART links support inverter-to-monitor communication. Firmware modularity is aided by ECC Flash, protecting code integrity in electrically noisy power-conversion environments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP508-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP508-I/PT | DSPIC33CK64MP508-E/PTVAO | DSPIC33CK32MP508-I/PT | DSPIC33CK128MP508-I/PT | DSPIC33CK256MP508-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm, PT) | 80-TQFP (12x12 mm, PT) - same | 80-TQFP (12x12 mm, PT) - same | 80-TQFP (12x12 mm, PT) - same | 80-TQFP (12x12 mm, PT) - same | 80-TQFP (12x12 mm, PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB (ECC, dual-partition) | 64 KB (ECC, dual-partition) | 64 KB (ECC, dual-partition) | 32 KB | 128 KB | 256 KB |
| Performance | Up to 100 MIPS | Up to 100 MIPS | 64 MHz clock speed (same family) | Up to 100 MIPS | Up to 100 MIPS | Up to 100 MIPS |
| Operating Temperature | -40C to +150C (E-grade) | -40C to +85C (I-grade) | -40C to +125C (E-grade variant) | -40C to +85C (I-grade) | -40C to +85C (I-grade) | -40C to +85C (I-grade) |
| CAN FD | Yes | Yes | Yes | Yes | Yes | Yes |
| Live Update (dual-partition Flash) | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Extended temperature to +150C (vs DSPIC33CK64MP508-I/PT)
- Largest Flash in the pin-compatible 80-pin family (vs DSPIC33CK32MP508-I/PT)
- Live Update dual-partition Flash with ECC (vs DSPIC33CK64MP508-I/PT (non-redundant use))
Design Notes
Power the DSPIC33CK64MP508-E/PT from a regulated 3.3V rail within 3.0V to 3.6V; the device does not tolerate 5V on VDD or general I/O. Place 0.1 uF ceramic decoupling capacitors at each VDD/VSS pair, plus bulk 10 uF at the controller supply entry. Filter AVDD through an RC (e.g., ferrite bead plus 1 uF) for ADC accuracy. Estimated: at 100 MIPS with typical core current, expect tens of milliamps of supply current - verify exact ICC versus frequency and voltage in the DS70005349 electrical characteristics tables for your regulator sizing.
Use the 80-pin TQFP (12x12 mm) land pattern per IPC-7351 guidance and provide a solid ground plane under the device. Keep the high-resolution PWM output traces to gate drivers short and away from ADC feedback traces to prevent duty-cycle jitter from coupling. Route CAN FD H/L as a matched pair with 120-ohm termination at the bus stub. The Peripheral Pin Select (PPS) flexibility means you can optimize pin routing in software after layout review - take advantage of it to keep crystal, analog, and PWM nets clean.
Do not confuse temperature grades when substituting: the I-grade (-40C to +85C) parts are cheaper but will exceed specification above +85C ambient - only E-grade parts are valid for 100C to 150C environments. Verify PLL configuration against the datasheet: some distributor summaries cite a 64 MHz core clock while the family reaches 100 MIPS; the achievable frequency depends on your oscillator source and PLL dividers. Finally, program/debug uses PGD/PGC pins - avoid dedicating them to external circuitry that loads them during programming.
Compliance Information
Compliance data not present in the provided web data; verify on Microchip's product page environmental section before procurement. AEC-Q100 qualification for this exact suffix could not be confirmed from the provided data.
