DSPIC33CK32MP506-I/PT - 100MHz 32KB DSC 64-TQFP | Microchip
MPN: DSPIC33CK32MP506-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.75 | $275.00 |
| 500 | $2.44 | $1,220.00 |
| 1,000 | $2.17 | $2,170.00 |
DSPIC33CK32MP506-I/PT Overview
A Digital Signal Controller combines the computational power of a DSP with the peripherals and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33CK family sits at the control layer, executing sensor feedback loops and generating PWM waveforms for downstream power stages such as motor drives and switching converters. The 16-bit dsPIC33CK core delivers up to 100 MIPS using a modified Harvard architecture with a single-cycle DSP multiply-accumulate unit.
Key features include 250 ps PWM resolution enabled by the high-resolution PWM module, a CAN Flexible Data (CAN FD) controller for automotive and industrial networking, three on-chip operational amplifiers, three comparators, and Peripheral Trigger Generator (PTG) for autonomous task scheduling. Functional Safety (FuSa) support makes the family suitable for safety-oriented designs.
The dsPIC33CK32MP506 targets digital power conversion, brushless DC and PMSM motor control, power factor correction, and advanced sensing. The analog front-end integration (op-amps and comparators) reduces BOM count in current-sense loops, while the 250 ps PWM resolution enables high-frequency converters up to several MHz switching frequency.
Designers should note the 3.0V to 3.6V supply requirement - typical 3.3V rails are required and 5V systems need level shifting. The dual-partition Flash architecture on larger family members supports live firmware update; verify availability on this 32 KB variant before relying on it.
This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK32MP506-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK32MP506-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK64MP506-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK128MP506-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33CK256MP506-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.77 / Unit
View Datasheet →DSPIC33CK32MP506-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33CK DSC core |
| Maximum CPU Speed | 100 MHz (100 MIPS) |
| Program Flash Memory | 32 KB |
| Data SRAM | 8 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| PWM Resolution | 250 ps (High-Resolution PWM) |
| CAN Interface | CAN FD |
| On-chip Op-Amps | 3 |
| On-chip Comparators | 3 |
| Peripheral Trigger Generator | Yes (PTG) |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Functional Safety Support | Yes (FuSa) |
| Product Family | dsPIC33CK |
DSPIC33CK32MP506-I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33CK32MP506-I/PT (64-tqfp (10x10 mm) 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 DSPIC33CK32MP506-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK32MP506-I/PT is suitable for 6 applications: Digital Power Conversion, BLDC/PMSM Motor Control, Power Factor Correction (PFC), Automotive and Industrial CAN Networking Nodes, Advanced Sensing and Control, Wireless-Enabled IoT Control Nodes.
Digital Power Conversion
The DSPIC33CK32MP506-I/PT fits digital power conversion because its 250 ps PWM resolution allows duty-cycle adjustments fine enough for MHz-class switching converters, where coarser PWM would limit regulation accuracy. The three on-chip op-amps buffer current-shunt signals and the three comparators provide cycle-by-cycle overcurrent protection with nanosecond-class response, eliminating external analog ICs. In a typical LLC or buck converter, the DSC closes the voltage loop in firmware while hardware comparators handle fast fault shutdown. Unlike fixed-function controllers, firmware enables soft-start profiles, nonlinear gain scheduling, and CAN FD telemetry on telecom and server power stages, all from a single 3.3V 100 MHz device.
Recommended
BLDC/PMSM Motor Control
Sensorless and sensored brushless motor control is a primary application for the DSPIC33CK32MP506-I/PT. The 100 MHz core executes field-oriented control (FOC) loops fast enough for high-pole-count PMSM machines, while the 250 ps high-resolution PWM suppresses dead-time distortion at audible frequencies. The three integrated op-amps condition the three phase-current shunt signals directly, and the three comparators implement hardware overcurrent trip with PWM fault gating, protecting inverter stages without external comparators. With CAN FD on-chip, the same chip serves as the motor drive network node in industrial and automotive auxiliary systems. Peripheral Trigger Generator (PTG) offloads ADC sampling synchronization from the CPU, improving loop determinism.
Recommended
Power Factor Correction (PFC)
The DSPIC33CK32MP506-I/PT suits boost and totem-pole PFC stages because its 100 MHz core sustains the fast inner current loop required for high power factor at light load, and the 250 ps PWM resolution minimizes current waveform distortion. On-chip op-amps amplify the input current and output voltage sense signals, while comparators provide cycle-by-cycle inrush and overcurrent limiting. CAN FD supports communication with upstream rectifier controllers in modular power systems. Firmware flexibility allows selection among average-current, peak-current, or predictive control schemes without hardware changes, letting one PCB serve multiple power ratings. The 3.0V to 3.6V supply simplifies interfacing with low-voltage sensing circuitry on isolated designs.
Recommended
Automotive and Industrial CAN Networking Nodes
With an integrated CAN FD controller, the DSPIC33CK32MP506-I/PT serves as an intelligent node on automotive body, agricultural machinery, and industrial CAN FD buses. CAN FD's higher data phase (up to 8 Mbps nominal, frame-dependent) supports firmware update and sensor streaming that classic CAN cannot. The 100 MHz core handles both protocol stacks and local control tasks, while the PTG automates periodic ADC sampling for sensor inputs independent of CPU load. The industrial -40C to +85C temperature grade of the -I/PT suffix covers under-hood-adjacent and factory environments. For full AEC-Q100 automotive qualification, designers should confirm the appropriate variant grade with Microchip before release.
Recommended
Advanced Sensing and Control
The DSPIC33CK32MP506-I/PT fits high-precision sensing systems because the three op-amps provide programmable-gain analog front-end stages for bridge and shunt sensors, and the three comparators enable window-comparison thresholds in hardware. The 100 MHz core applies DSP filtering (IIR/FIR) on sampled data with single-cycle MAC instructions, achieving latency far below external DSP-plus-MCU two-chip solutions. Remappable pins (PPS) let designers route ADC inputs, UART, SPI, and PWM optimally on the 64-pin TQFP, simplifying mixed-signal PCB layout. PTG-based autonomous trigger chains sample sensors deterministically even during communication bursts. Typical uses include weigh scales, precision power analyzers, and environmental instrumentation running from a 3.3V rail.
Recommended
Wireless-Enabled IoT Control Nodes
The DSPIC33CK32MP506-I/PT acts as the deterministic control processor in IoT edge nodes, paired with a wireless module over UART or SPI. Its 100 MHz core handles real-time PWM, sensor filtering, and safety cutoffs that radio modules cannot guarantee, while 32 KB Flash hosts compact control firmware and the 8 KB SRAM buffers communication payloads. CAN FD provides a second communication channel for gateway topologies in smart factories. The 3.0V to 3.6V supply range matches lithium-primary and single-cell buck-derived rails, and the -40C to +85C grade covers outdoor enclosures. The on-chip op-amps can self-diagnose sensor wiring faults, improving field maintenance without extra components.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK32MP506-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK32MP506-E/PT | DSPIC33CK64MP506-I/PT | DSPIC33CK128MP506-I/PT | DSPIC33CK256MP506-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32 KB | 32 KB | 64 KB | 128 KB | 256 KB |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| High-Resolution PWM | 250 ps resolution | 250 ps | 250 ps | 250 ps | 250 ps |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
| On-chip Op-Amps / Comparators | 3 / 3 | 3 / 3 | 3 / 3 | 3 / 3 | 3 / 3 |
Key Differentiators
- Lowest-cost entry to the 64-pin MP506 peripheral set (vs DSPIC33CK256MP506-I/PT)
- Industrial temperature grade at standard cost (vs DSPIC33CK32MP506-E/PT)
- Upgrade path without PCB rework (vs DSPIC33CK64MP506-I/PT)
Design Notes
The DSPIC33CK32MP506-I/PT requires a strictly regulated 3.0V to 3.6V supply with adequate decoupling for the 100 MHz core. Place a 0.1 uF ceramic capacitor at each VDD pin pair plus at least one bulk 10 uF capacitor near the device. Fast PWM edge switching into gate drivers causes supply transients; inadequate decoupling causes brown-out resets during PWM transitions. Add a dedicated LDO (e.g., 3.3V, 300 mA class) rather than sharing a noisy rail with inverter gate-driver supplies.
For the 64-TQFP 10x10 mm footprint, route high-resolution PWM outputs as short, matched pairs to the gate driver to preserve the 250 ps effective resolution - long unequal traces add skew that erodes the resolution benefit. Use a solid ground plane under the DSC and analog front-end, and star-connect op-amp and comparator sense lines away from PWM return currents. Keep current-shunt kelvin connections directly to the op-amp input pins for accurate feedback.
Do not assume live-update dual-partition Flash operation on this 32 KB device - dual-partition with ECC is a feature of larger Flash variants in the family (128 KB/256 KB); verify in the family datasheet before designing field-update capability. Also, the -I suffix limits operation to +85C: designs requiring +105C or +125C ambient must use the -E grade (DSPIC33CK32MP506-E/PT). Finally, 3.0V to 3.6V operation means 5V signals require level shifting on all digital inputs.
Compliance Information
Compliance status not stated in the provided web data. DigiKey lists the part as Functional Safety (FuSa) supported. Verify RoHS/REACH status on the official Microchip product page or distributor compliance documents.