DSPIC33CK64MP505-E/PT - 100MHz 16-bit DSC 64KB Flash | Microchip
MPN: DSPIC33CK64MP505-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.15 | $3.15 |
| 10 | $2.85 | $28.50 |
| 100 | $2.55 | $255.00 |
| 500 | $2.42 | $1,210.00 |
| 1,000 | $2.32 | $2,320.00 |
DSPIC33CK64MP505-E/PT 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, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes single-cycle MAC and DSP instructions while also hosting motor-control PWM, analog comparators, op-amps, and communication interfaces on one die. The dsPIC33CK family from Microchip Technology targets real-time closed-loop control systems.
Key features of this part include a 100 MIPS dsPIC33CK core with modified Harvard architecture, up to 24 KB-class data SRAM with Memory Built-In Self-Test (MBIST) in the family, three integrated operational amplifiers, three analog comparators, and a Peripheral Trigger Generator (PTG). High-Resolution PWM and CAN Flexible Data (CAN FD) make it well suited to digitally controlled power stages and fieldbus-connected nodes.
Technical depth: the dsPIC33CK core executes DC to 100 MIPS with DSP multiply-accumulate instructions, while dual-partition Flash with ECC enables live firmware update in safety-oriented designs. Functional Safety (FuSa) support is documented by Microchip, and the -E extended-temperature grade plus AEC-Q100 qualification support automotive deployments.
Typical applications include digital power supplies (PFC, LLC, totem-pole), PMSM/BLDC and SRM motor control, automotive control nodes using CAN FD, and advanced sensing with on-chip analog front ends.
Design consideration: budget the 3.0V to 3.6V supply rail early; at 100 MIPS the core requires clean decoupling and attention to the high-resolution PWM clock source for best control-loop resolution.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP505-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 DSPIC33CK64MP505-E/PT (same form factor and footprint) — differing in Operating Temperature, Peripheral Trigger Generator, Core, Package, CAN Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP505-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.15 / Unit
View Datasheet →DSPIC33CK32MP505-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.24 / Unit
View Datasheet →DSPIC33CK32MP505-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.04 / Unit
View Datasheet →DSPIC33CK256MP205-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.92 / Unit
View Datasheet →DSPIC33CK64MP505-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Operating Frequency | 100 MHz (100 MIPS) |
| Program Flash | 64 KB (with ECC, dual-partition live update) |
| Data SRAM | 8 KB (family up to 24 KB with MBIST) |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +150C |
| Package | 48-TQFP (7x7 mm), PT |
| Mounting Type | Surface Mount |
| On-Chip Operational Amplifiers | 3 |
| On-Chip Comparators | 3 |
| CAN Interface | CAN FD (Flexible Data) |
| Peripheral Trigger Generator | Yes (PTG, up to 15 trigger sources) |
| PWM | High-Resolution PWM (family feature) |
| Architecture | Modified Harvard, single-core, CISC (dsPIC) |
| Qualification | Automotive AEC-Q100; Functional Safety (FuSa) support |
| Flash ECC | Yes, with Live Update (dual-partition Flash) |
| RoHS Status | Compliant |
DSPIC33CK64MP505-E/PT 48-tqfp (7x7 mm), pt Pin Configuration Guide
Pin configuration for DSPIC33CK64MP505-E/PT (48-tqfp (7x7 mm), 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 DSPIC33CK64MP505-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP505-E/PT is suitable for 6 applications: Digital Power Supplies (PFC / LLC / Totem-Pole), PMSM / BLDC Motor Control, Automotive CAN FD Control Nodes, Advanced Sensing and Control, Wireless-Charging and Bidirectional Converter Control, Industrial Automation and Robotics.
Digital Power Supplies (PFC / LLC / Totem-Pole)
The DSPIC33CK64MP505-E/PT fits digitally controlled switch-mode power supplies because its 100 MHz (100 MIPS) dsPIC33CK core executes voltage- and current-loop compensators with single-cycle DSP MAC instructions while the high-resolution PWM delivers fine duty and phase resolution for topologies such as PFC, LLC, and totem-pole bridgeless rectifiers. The three on-chip op-amps condition shunt or current-transformer signals without external amplifiers, and the three comparators provide hardware overcurrent trip paths that do not depend on firmware latency. The Peripheral Trigger Generator time-aligns ADC sampling to PWM events, minimizing switching-noise corruption of feedback samples. Placed as the sole controller between the feedback dividers and gate drivers, it replaces analog control ICs while adding configurability; the trade-off versus fixed-function controllers is firmware validation effort, offset by the -E grade tolerance of -40C to +150C ambient near hot power stages.
Recommended
PMSM / BLDC Motor Control
For permanent-magnet synchronous and brushless DC drives, the DSPIC33CK64MP505-E/PT runs field-oriented control at the 100 MHz core rate while its high-resolution PWM shapes phase voltages with fine effective resolution, reducing torque ripple and acoustic noise. The three integrated operational amplifiers amplify low-side shunt currents directly, the three analog comparators form hardware cycle-by-cycle current limiting, and the Peripheral Trigger Generator synchronizes ADC conversions to PWM center points for clean current sampling. CAN FD connectivity links the drive to higher-level industrial or vehicle networks, and the -E extended temperature grade plus AEC-Q100 qualification suit thermally harsh drive enclosures mounted near power modules. The 64 KB ECC Flash with dual-partition live update permits field firmware updates of the control stack. Compared with a general MCU plus external analog front end, this integration cuts BOM count and board area while keeping deterministic interrupt-driven control timing.
Recommended
Automotive CAN FD Control Nodes
The DSPIC33CK64MP505-E/PT suits automotive control nodes through its CAN FD module, AEC-Q100 qualification, Functional Safety (FuSa) support, and the extended -40C to +150C operating range of the -E grade, covering under-hood and near-power-stage mounting points. The 64 KB program Flash includes ECC and dual-partition live update, enabling OTA-style firmware activation without a dual-bank external memory, and SRAM with Memory Built-In Self-Test supports safety-diagnostic architectures. On-chip op-amps and comparators handle local analog sensing such as position, current, and temperature front ends, while the Peripheral Trigger Generator sequences deterministic sampling. In an ECU, the part sits between the CAN FD transceiver and local gate drivers or sensors; versus classical-CAN MCUs, CAN FD raises data-phase throughput for flashier diagnostics. Confirm bit-timing and transceiver selection against the family datasheet for your network load.
Recommended
Advanced Sensing and Control
In advanced sensing systems - precision current, position, or condition monitoring - the DSPIC33CK64MP505-E/PT provides an integrated analog signal chain: three operational amplifiers for gain staging, three comparators for threshold detection, and the 100 MHz DSP core for filtering, demodulation, and decision logic in firmware. The Peripheral Trigger Generator automates time-correlated sampling across peripherals without CPU intervention, improving measurement determinism at up to 100 MIPS of compute throughput. The 64 KB ECC-protected Flash stores calibration tables and communication stacks, and CAN FD exports processed results to plant networks. The -E temperature grade supports sensing modules mounted on motors, power converters, or outdoor equipment. Compared with a discrete amplifier-plus-MCU chain, this single-chip approach shortens the analog path and reduces offset and gain-drift error sources, though designers must budget 3.0V to 3.6V rail cleanliness for best analog performance.
Recommended
Wireless-Charging and Bidirectional Converter Control
Wireless power transfer and bidirectional DC-DC converters demand precise, phase-controlled switching at high frequency - a strong match for the DSPIC33CK64MP505-E/PT. Its high-resolution PWM generates complementary outputs with dead-time resolution fine enough for resonant topologies (LLC, CLLC, active bridges), while the 100 MHz core closes outer voltage/current loops using DSP instructions and the on-chip op-amps amplify current-sense signals locally. Three comparators deliver hardware fast-overcurrent protection critical in fault-prone power-transfer links. The -E grade handles ambient temperatures near coils and power stages, and CAN FD or UART links report status to system controllers. The dual-partition Flash with ECC permits live firmware update of charging profiles in the field. Versus analog resonant controllers, this DSC adds adaptive tuning and diagnostic telemetry; the trade-off is firmware complexity, mitigated by Microchip's digital-power reference designs for the dsPIC33CK family.
Recommended
Industrial Automation and Robotics
In factory automation, robotics, and servo axes, the DSPIC33CK64MP505-E/PT functions as a real-time motion or I/O controller: the 100 MIPS core executes trajectory and FOC calculations, high-resolution PWM drives inverter stages, and the integrated op-amp/comparator analog front end closes current loops with minimal external parts. The Peripheral Trigger Generator orchestrates deterministic ADC sampling synchronized to PWM, while CAN FD connects the node to PLC backbones and industrial fieldbus gateways. The 64 KB ECC Flash with dual-partition live update supports on-line firmware servicing in equipment that cannot power down, and MBIST-backed SRAM strengthens diagnostic coverage for functional-safety-oriented designs. The -40C to +150C -E grade tolerates cabinet hot spots near drives. Compared with a mainstream MCU plus FPGA, this single-chip DSC shortens development and reduces cost, accepting a fixed (non-fabric-programmable) peripheral set in exchange.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP505-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP505-I/PT | DSPIC33CK32MP505-I/PT | DSPIC33CK256MP205-E/PT | DSPIC33CK64MP505-E/M4 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP - same family package | 48-VQFN - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB (ECC, dual-partition) | 64 KB (ECC, dual-partition) | 32 KB | 256 KB | 64 KB (ECC, dual-partition) |
| 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 +150C (E grade) | -40C to +125C (I grade) | -40C to +125C (I grade) | -40C to +150C (E grade) | -40C to +150C (E grade) |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualification | Yes (automotive) | Industrial grade (standard) | Industrial grade (standard) | Yes (E grade) | Yes (E grade) |
Key Differentiators
- Extended -40C to +150C automotive operating range (vs DSPIC33CK64MP505-I/PT)
- 2x program Flash at same pin count and footprint (vs DSPIC33CK32MP505-E/PT)
- Integrated analog front end reduces BOM (vs DSPIC33CK64MP505-I/PT (competing MCUs without op-amps))
- Same-family pin-compatible second source within Microchip (vs DSPIC33CK256MP205-E/PT)
Design Notes
Supply the DSPIC33CK64MP505-E/PT from a clean 3.0V to 3.6V rail; the 100 MHz core draws dynamic current proportional to frequency, so size the regulator for worst-case core plus peripheral load per the family datasheet current-consumption tables. Place a 10 uF bulk capacitor plus 0.1 uF ceramic caps at each VDD pin pair, as close to the pins as possible. Do not share the analog 3.3V rail (AVDD) with noisy digital loads - use an RC or ferrite filter - because the on-chip op-amps and comparators in the feedback path of a digital power loop amplify supply-borne ripple directly into the control loop.
On a 48-TQFP (7x7 mm) layout, route PWM outputs to gate drivers with short, matched traces and keep high-dv/dt switch nodes away from the analog inputs feeding the on-chip op-amps. Use a solid ground plane and return the VSS/AVSS connections with multiple vias. The -E grade is rated to +150C operating conditions, so verify PCB material Tg and copper thickness for the ambient range; standard FR-4 is typically acceptable below +130C continuous, but near power stages consider high-Tg laminate. Keep the programming/debug (ICSP) header footprint on production boards for field firmware updates via the dual-partition live update feature.
Three common mistakes with dsPIC33CK designs: (1) selecting the -I industrial grade for an application whose computed junction temperature exceeds +125C - the -E grade extends to +150C and is the correct choice for under-hood and near-power-stage mounting; (2) ignoring ECC/Flash configuration - dual-partition live update requires correct config-word setup in MPLAB X, otherwise the bootloader strategy fails at first reflash; (3) assuming cross-brand pin-compatible substitutes exist - none do for this pinout, so design your BOM around same-family Microchip variants (e.g., DSPIC33CK64MP505-I/PT as second source) from day one.
The high-resolution PWM clock requires a stable reference clock source; jitter in the clock directly degrades effective PWM resolution and therefore control-loop quality in digital power and motor-drive loops. Use the recommended crystal or internal oscillator configuration from the family datasheet and verify PLL lock before enabling high-resolution mode. When sampling current with the on-chip op-amps, trigger ADC conversions via the Peripheral Trigger Generator synchronized to PWM center or midpoint, not free-running, to avoid switching-edge noise corrupting current feedback.
Compliance Information
Datasheets.com part record (updated 17-JUL-2024) classifies DSPIC33CK64MP505-E/PT as automotive AEC-Q100, 48-pin TQFP, tray. DigiKey lists Functional Safety (FuSa) support. REACH/halogen-free/conflict-minerals declarations should be confirmed on Microchip's official product compliance pages.
