DSPIC33CK64MP502-E/SS - 100MHz 16-bit DSC CAN-FD | Microchip
MPN: DSPIC33CK64MP502-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.53 | $2.53 |
| 10 | $2.32 | $23.20 |
| 100 | $2.19 | $219.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.92 | $1,920.00 |
DSPIC33CK64MP502-E/SS Overview
A digital signal controller combines the compute throughput of a digital signal processor with the deterministic control and peripheral integration of a microcontroller. Within the power-management hierarchy, the dsPIC33CK family sits in the broader 16-bit DSC / MCU / embedded processor taxonomy and is optimized for closed-loop control loops running at switching frequencies of hundreds of kilohertz, where a generic MCU would struggle to execute the control law plus PWM updates in time.
Key features include the dsPIC33CK DSC core running at up to 100 MIPS, up to 256 KB flash with ECC and Live Update (dual-partition flash) across the family (64 KB on this part), High-Resolution PWM (HRPWM) with sub-nanosecond edge placement, and CAN Flexible Data (CAN FD) for automotive and industrial networking. The modified Harvard architecture with dedicated DSP multiply-accumulate hardware enables single-cycle MAC operations for filtering and transform-heavy algorithms.
Technical depth comes from the integrated analog subsystem: on-chip operational amplifiers buffer current-shunt signals directly, and fast 12-bit ADCs support simultaneous sampling of multiple channels, minimizing phase error in current-mode control. The -40C to +125C (E-grade, extended) operating range supports industrial and automotive-adjacent environments.
Typical applications include digital power supplies and PFC stages, BLDC/PMSM motor control with sensorless field-oriented control, and CAN FD-connected industrial control nodes. The high-resolution PWM makes it a natural fit for LLC and totem-pole topologies requiring precise phase-shift control.
Design consideration: the core operates from 3.0V to 3.6V, so a 3.3V rail is required; budget flash partitions carefully if using Live Update bootloaders.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP502-E/SS — 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 DSPIC33CK64MP502-E/SS (same form factor and footprint) — differing in PWM, Package, Operating Temperature, CAN Interface, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33CK64MP502-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33CK32MP502-I/SS
✅ Drop-In✓ In Stock
$2.35 / Unit
View Datasheet →DSPIC33CK64MC102T-I/SS
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →DSPIC33CK64MP502-E/SS Maximum Ratings & Electrical Characteristics
| Core | dsPIC33CK 16-bit DSC core |
| Maximum Clock Frequency | 100 MHz (up to 100 MIPS) |
| Program Flash Size | 64 KB (dual-partition, ECC, Live Update) |
| Data SRAM Size | 8 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade, extended) |
| CAN Interface | CAN FD (Flexible Data) |
| ADC Resolution | 12-bit |
| Integrated Op-Amps | Yes |
| PWM | High-Resolution PWM (HRPWM) |
| Architecture | Modified Harvard, single-core |
| Package | 28-SSOP |
| Mounting Type | Surface Mount |
| Product Family | dsPIC33CK64MP502 (28/36/48/64/80-pin 16-bit DSC family) |
DSPIC33CK64MP502-E/SS 28-ssop Pin Configuration Guide
Pin configuration for DSPIC33CK64MP502-E/SS (28-ssop 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 DSPIC33CK64MP502-E/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP502-E/SS is suitable for 6 applications: Digital Power Supplies and PFC, Sensorless BLDC/PMSM Motor Control, CAN FD Industrial Control Nodes, Wireless Charging and Wireless Power Transfer, LED Drivers and Smart Lighting, Automotive-Adjacent Sensing and Control.
Digital Power Supplies and PFC
The DSPIC33CK64MP502-E/SS fits digital AC-DC and DC-DC converter control because its 100 MHz dsPIC33CK core closes current-mode loops at switching frequencies well beyond 100 kHz while its High-Resolution PWM delivers the sub-ns edge resolution that LLC phase-shift and totem-pole PFC topologies demand. In a typical PFC application, the fast 12-bit ADC samples inductor current and bus voltage synchronized to the PWM period, and the integrated op-amps condition shunt signals without external amplifiers, saving BOM cost and board area. The CAN FD interface links the converter to system-level telemetry and power-management controllers. The main trade-off versus an analog controller is firmware complexity, but the payoff is adaptive compensation, soft-start profiling, and in-field firmware updates via dual-partition Live Update flash.
Recommended
Sensorless BLDC/PMSM Motor Control
For sensorless field-oriented control (FOC) of BLDC and PMSM motors, the DSPIC33CK64MP502-E/SS pairs its 100 MIPS DSP core - capable of single-cycle MAC operations for Park/Clarke transforms and PI current loops - with High-Resolution PWM outputs that minimize dead-time distortion and acoustic noise. The integrated operational amplifiers directly amplify low-level shunt or back-EMF signals, and the fast 12-bit ADCs phase-synchronized to PWM capture three-phase currents with minimal skew. The 8 KB SRAM accommodates FOC state, observer variables, and a small bootloader. Running at -40C to +125C, the E-grade part tolerates motor-drive enclosures with elevated ambient temperatures. Designers should budget CPU cycles carefully: sensorless observers plus speed loops consume a substantial fraction of the 100 MHz budget at high electrical frequencies.
Recommended
CAN FD Industrial Control Nodes
The DSPIC33CK64MP502-E/SS integrates CAN Flexible Data (CAN FD) on-chip, making it a compact, single-chip industrial node that moves telemetry and commands at CAN FD data rates without an external CAN controller. The 100 MHz core runs the application protocol stack (for example CANopen FD or J1939-style layers) alongside deterministic control tasks, while the 12-bit ADC and op-amps handle local analog sensing such as temperature, current, and position feedback. Dual-partition flash with ECC enables field firmware updates over the CAN bus with rollback safety - a key reliability feature for distributed industrial networks. The extended -40C to +125C operating range covers factory-floor and outdoor cabinet environments. Plan the 3.0V-3.6V supply and a CAN transceiver as essential companion components in the node design.
Recommended
Wireless Charging and Wireless Power Transfer
Wireless power transmitter and receiver control demands precise, high-frequency PWM phase control and fast current sensing - exactly the strengths of the DSPIC33CK64MP502-E/SS. Its High-Resolution PWM generates the phase-shifted drive for resonant half-bridge and full-bridge stages at hundreds of kilohertz with sub-nanosecond duty and phase granularity, which directly improves coupling-efficiency tuning and foreign-object-detection response. The fast 12-bit ADCs sample coil current and voltage for closed-loop power regulation, and the DSP core executes frequency-tracking algorithms to hold resonance as coupling changes. The 64 KB flash hosts the full control state machine plus QC or proprietary handshake protocols. Using the E-grade temperature range allows operation inside sealed transmitter pads where ambient temperatures rise during extended charging sessions.
Recommended
LED Drivers and Smart Lighting
High-power and tunable-white LED systems benefit from the DSPIC33CK64MP502-E/SS because High-Resolution PWM gives flicker-free dimming with deep dimming ratios: sub-ns edge resolution keeps pulse widths stable even at 1% duty, avoiding visible flicker and color shift. The 100 MHz core runs constant-current control loops off the fast 12-bit ADC while simultaneously managing DALI or DMX-style communication; the CAN FD interface integrates luminaires into building networks without external controllers. The extended -40C to +125C rating suits enclosed, ceiling-mounted driver housings where heat accumulates. Integrated op-amps can close the current loop around a low-value shunt, reducing external component count. Designers should verify that PWM frequency stays above audibility and below the ADC's effective conversion-rate limit for clean closed-loop dimming.
Recommended
Automotive-Adjacent Sensing and Control
While the E-grade DSPIC33CK64MP502-E/SS is not AEC-Q100 qualified, its -40C to +125C extended range and on-chip CAN FD make it a practical choice for non-safety automotive-adjacent equipment: auxiliary pumps, agricultural and off-highway actuators, test fixtures, and fleet telematics sensors. The DSP core handles sensor filtering (single-cycle MACs for IIR/FIR work), the 12-bit ADC plus integrated op-amps acquire analog channels such as pressure and current with minimal external circuitry, and the 64 KB dual-partition flash supports signed firmware updates with ECC protection against bit-flips. On the PCB, keep the 3.0V-3.6V rail clean with local decoupling and route CAN FD as a controlled-impedance pair to the transceiver. For safety-critical positions, select a formally qualified part instead.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP502-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP502-I/SS | DSPIC33CK32MP502-I/SS | DSPIC33CK64MC102T-I/SS |
|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Program Flash | 64 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| CAN FD | Yes | Yes | Yes | Yes |
| Integrated Op-Amps | Yes | Yes | Yes | No (MC variant) |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
Key Differentiators
- Extended temperature range for hot enclosures (vs DSPIC33CK64MP502-I/SS)
- Double the program flash at pin-compatible footprint (vs DSPIC33CK32MP502-I/SS)
- Integrated op-amps save external analog front-end (vs DSPIC33CK64MC102T-I/SS)
Design Notes
The dsPIC33CK64MP502 core requires a 3.0V to 3.6V supply - typically 3.3V. Place a 0.1 uF ceramic capacitor at every VDD pin pair, with all VSS pins connected (community documentation warns that leaving any VDD/VSS unconnected can cause ICSP programming failures). If your system rail is 5V, add an LDO such as a 3.3V regulator feeding the DSC; never drive I/O above VDD + 0.3V. Estimated: a typical dsPIC33CK running at 100 MHz draws on the order of tens of milliamps, so a 100 mA-class LDO suffices for the MCU alone, excluding CAN transceiver and external loads.
ICSP programming pin pairing is the most common bring-up failure on this family. The device exposes multiple PGECx/PGEDx pairs, and the programmer's ICSPCLK and ICSPDAT must use the SAME numbered pair - e.g., PGEC2 with PGED2. Mixing pairs (PGEC2 with PGED1) will fail to connect. Reserve one full pair on your PCB header even if unused in application firmware, and avoid loading those pins heavily during programming. Also verify the debug/programming tool supports dsPIC33CK: PICkit 4, ICD 4, or REAL ICE with current MPLAB X are required; older PICkit 3 tools do not support this family.
For digital power layouts, keep the High-Resolution PWM output traces short and away from ADC input nets to prevent coupling of switching edges into sampling channels. Synchronize ADC sampling to the PWM period trigger for repeatable current-loop measurements. Place CAN FD routing as a matched-length, controlled-impedance (approximately 120 ohm differential) pair to the transceiver, with the transceiver close to the DSC. Use a solid ground plane beneath the DSC and keep the crystal or internal oscillator route isolated from PWM lines. These practices preserve ADC effective resolution and HRPWM edge accuracy in electrically noisy converter environments.
Compliance Information
Verified web data does not explicitly state RoHS/REACH/lead-free status; marked unknown per anti-fabrication rules. AEC-Q100 qualification is not stated for this part - the E temperature suffix indicates extended operating range, not automotive qualification.
