DSPIC33CK64MP103-E/M5 - 100MHz 16-bit DSC, 64KB Flash | Microchip
MPN: DSPIC33CK64MP103-E/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.62 | $3.62 |
| 10 | $3.28 | $32.80 |
| 100 | $2.91 | $291.00 |
| 500 | $2.64 | $1,320.00 |
| 1,000 | $2.38 | $2,380.00 |
DSPIC33CK64MP103-E/M5 Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes deterministic control loops (such as Field-Oriented Control for motors) while natively interfacing with sensors and power stages. The dsPIC33CK family extends this concept with a two-stage pipeline that executes one instruction per cycle at up to 100 MIPS.
Key features include the 100 MHz dsPIC33CK core with DSP instruction extensions (MAC, DSP multiply-accumulate), on-chip operational amplifiers that reduce external analog component count, a high-speed 12-bit ADC supporting simultaneous multi-channel sampling for current sensing, and high-resolution PWM modules suitable for peak-current-mode and voltage-mode power conversion. The E-grade temperature rating (-40C to +125C) targets demanding industrial environments.
Architecturally, the dsPIC33CK64MP103 pairs the single-core CPU with enhanced peripherals directly relevant to digital power: comparators, a 12-bit ADC with dedicated conversion triggers from the PWM module, and flexible clocking from an on-chip PLL. Deterministic interrupt latency supports tight control-loop deadlines in switching converters running at hundreds of kilohertz.
Typical applications include motor control (PMSM/BLDC FOC), digital power supplies and LLC/PFC converters, UPS systems, advanced sensing, and automotive-adjacent industrial control nodes. The integrated op amps condition shunt-current signals directly, shortening the sensor-to-PWM feedback path.
Design consideration: budget the 64 KB Flash and 8 KB RAM early; FOC with transformations and compensation networks typically consumes several kilobytes, and the /M5 UQFN-36 footprint cannot be expanded. Use the multiple PGECx/PGEDx ICSP pin pairs as matched pairs for programming and debugging.
This page synthesizes distributor pricing context, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33CK64MP103-E/M5 — 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 DSPIC33CK64MP103-E/M5 (same form factor and footprint) — differing in Integrated Peripherals, Package, Product Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesDSPIC33CK64MP103-E/M5 Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33CK DSC core |
| Maximum Clock Frequency | 100 MHz (100 MIPS) |
| Program Memory Size | 64 KB Flash |
| RAM Size | 8 KB |
| Supply Voltage | 3.3 V |
| ADC Resolution | 12-bit |
| Integrated Peripherals | OpAmps, 12-bit ADCs, PWM, Comparators |
| Package | 36-UQFN (5x5 mm), exposed pad (/M5) |
| Operating Temperature Range | -40C to +125C (E grade) |
| Mounting Type | Surface Mount |
| Product Family | dsPIC33CK64MP10X (single-core dsPIC33C) |
| Programming/Debug Interface | ICSP (multiple PGECx/PGEDx pairs, use as matched pairs) |
| Program Memory Width | 24-bit instruction word |
DSPIC33CK64MP103-E/M5 36-uqfn (5x5 mm), exposed pad (/m5) Pin Configuration Guide
Pin configuration for DSPIC33CK64MP103-E/M5 (36-uqfn (5x5 mm), exposed pad (/m5) 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 DSPIC33CK64MP103-E/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33CK64MP103-E/M5 is suitable for 6 applications: PMSM/BLDC Motor Field-Oriented Control, Digital Power Supplies (LLC, PFC, Buck), Advanced Sensing and Signal Conditioning, UPS and Inverter Systems, Automotive-Adjacent Industrial Control Nodes, Embedded Control and appliances.
PMSM/BLDC Motor Field-Oriented Control
The DSPIC33CK64MP103-E/M5 fits motor FOC because its 100 MHz (100 MIPS) core executes Clarke/Park transforms and dual PI current loops with deterministic latency, while the high-resolution PWM module provides complementary outputs with precise dead-time insertion. The integrated op amps condition inline shunt-current signals directly, and the 12-bit ADC samples phase currents synchronously with PWM triggers, shortening the sensor-to-actuator path. Typical loop rates of 10-20 kHz run in a fraction of the 10 ns instruction period budget. Placing the DSC between gate drivers and current shunts, designers gain sensorless start-up support and fault protection in firmware. The E-grade -40C to +125C rating suits motor-drive hot spots near power stages.
Recommended
Digital Power Supplies (LLC, PFC, Buck)
Digital power conversion is a natural fit for the DSPIC33CK64MP103-E/M5: its high-resolution PWM supports peak-current-mode and voltage-mode control with sub-nanosecond effective resolution, and the 12-bit ADC can be triggered directly from PWM events for cycle-by-cycle current limiting. The 100 MHz core closes voltage and current loops for LLC, PFC, or synchronous buck stages switching at hundreds of kilohertz with deterministic timing. The integrated comparators provide hardware overcurrent protection independent of CPU load. Because the loop compensator runs in firmware, gains can adapt to load conditions in real time - an advantage over fixed analog compensation. The -40C to +125C E-grade supports power supplies in enclosed industrial cabinets with elevated ambient temperatures.
Recommended
Advanced Sensing and Signal Conditioning
The DSPIC33CK64MP103-E/M5 integrates operational amplifiers and a high-speed 12-bit ADC, allowing sensor signals such as pressure, load-cell, or current-sense outputs to be amplified and digitized on-chip without external analog front-end ICs. The DSP instruction set (multiply-accumulate, bit-reversal addressing) enables in-chip digital filtering - IIR/FIR compensation, RMS computation, and FFT-based analysis - at 100 MIPS throughput. This consolidation reduces BOM count and board area in compact sensing nodes. Firmware-based calibration compensates offset and gain drift across the -40C to +125C range, and results can be transmitted via UART/I2C/SPI for system integration. For multi-channel systems, verify the ADC channel count against your sensor multiplexing scheme during design.
Recommended
UPS and Inverter Systems
Uninterruptible power supplies require simultaneous, phase-aligned control of inverter bridges, PFC front ends, and battery chargers - a workload matched to the DSPIC33CK64MP103-E/M5. Its high-resolution PWM generates multiple complementary gate-drive signals with dead-time control, the 12-bit ADC samples AC mains and battery current synchronously, and the 100 MHz core executes grid-synchronization (PLL), waveform generation, and protection logic with deterministic interrupt latency. Hardware comparators implement instant hardware-level fault trips for overcurrent events that cannot wait for software. The E-grade temperature rating handles enclosed cabinet environments, and the 64 KB Flash accommodates a complete control plus housekeeping firmware image with headroom for communication protocols such as Modbus.
Recommended
Automotive-Adjacent Industrial Control Nodes
Industrial control nodes exposed to wide temperature swings - under-hood-adjacent actuators, factory-floor drives, HVAC compressors - benefit from the DSPIC33CK64MP103-E/M5 E-grade rating of -40C to +125C. The 100 MHz dsPIC33CK core provides headroom for both the primary control loop (PWM, ADC current sampling) and secondary functions such as CAN-style communication handling, diagnostics, and functional-safety self-tests. Microchip positions the dsPIC33CK family for functional-safety (FuSa) development support, which matters for equipment approaching automotive levels of rigor. The 36-UQFN 5x5 mm footprint saves PCB area in compact actuator assemblies, while integrated op amps and comparators reduce the external component count in noisy electrical environments.
Recommended
Embedded Control and appliances
General embedded control in appliances, tools, and IoT-adjacent equipment uses the DSPIC33CK64MP103-E/M5 as a single-chip solution: 64 KB Flash holds the application plus bootloader, 8 KB RAM handles state and buffers, and the peripheral set (UART, I2C, SPI, PWM, 12-bit ADC, op amps, comparators) covers user interfaces, sensor reading, and actuator drive without external analog parts. The 100 MHz core completes compute-heavy tasks - such as sensor filtering or a small control loop - quickly enough to leave idle time for low-power operation. The 36-UQFN (5x5 mm) exposed-pad package offers good thermal and electrical performance with a manageable footprint for two-layer boards, and ICSP programming via any matched PGECx/PGEDx pair simplifies in-field firmware updates.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33CK64MP103-E/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33CK64MP103-I/M5 | DSPIC33CK64MP102-E/M5 | DSPIC33CK64MP101-E/M5 |
|---|---|---|---|---|
| Package | 36-UQFN (5x5 mm) | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - 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) |
| Flash Memory | 64 KB | 64 KB | 32 KB | 16 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB |
| Temperature Range | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Integrated Op Amps / ADC | Yes / 12-bit | Yes / 12-bit | Yes / 12-bit | Yes / 12-bit |
| Drop-in Footprint Compatibility | Reference | Pin-to-pin, same footprint | Pin-to-pin, same footprint | Pin-to-pin, same footprint |
Key Differentiators
- Extended temperature range for hot environments (vs DSPIC33CK64MP103-I/M5)
- Maximum Flash in the same 36-UQFN footprint (vs DSPIC33CK64MP102-E/M5)
- Performance-tier analog integration (vs DSPIC33CK32MP102-E/M5)
Design Notes
Connect ALL VDD and VSS pin pairs on the 36-UQFN /M5 footprint; per Microchip documentation, all supply pins must be wired for correct operation and ICSP reliability. Use the exposed pad as a solid ground connection with a via array to the ground plane - this improves both thermal dissipation at the -40C to +125C E-grade extremes and signal integrity for high-frequency PWM switching. Place a 100 nF ceramic decoupling capacitor within 2 mm of each VDD/VSS pair, plus bulk 4.7-10 uF near the device.
The dsPIC33CK64MP103 provides multiple PGECx/PGEDx clock/data pairs for ICSP programming and debugging. Per the Microchip support summary, any pair may be selected but the pair must remain matched - for example, PGEC2 must pair with PGED2; crossing pairs breaks programming. Reserve the chosen pair as dedicated header connections and avoid loading these pins with high-capacitance circuitry, which can corrupt ICSPCLK/ICSPDAT timing during in-circuit flash updates.
For motor-control or digital-power use, route PWM outputs away from the op-amp/ADC input traces feeding shunt-current signals. The 12-bit ADC conversions triggered from the PWM module should be sampled during the PWM off-time window (center of the counter period) to avoid switching-noise corruption; this is achievable with the peripheral trigger chain without CPU intervention. Estimated: with a 100 kHz PWM and 10 ns core period, the 100 MHz core executes ~1000 instructions per PWM period, ample for two PI current loops plus housekeeping.
The device operates from a single 3.3 V supply; verify that the local regulator can supply the core plus peripheral current at 100 MHz plus any op-amp load current. Estimated: budget roughly 50-80 mA total for the DSC active state (verify exact figure in the datasheet electrical characteristics table) and add margin for GPIO drive on PWM outputs. Consider a dedicated LC filter for the analog supply feeding the op amps and ADC reference to preserve 12-bit accuracy in switching environments.
Compliance Information
Compliance data not present in the verified web data retrieved as of 2026-09-23. Verify RoHS/REACH status on the official Microchip product page before production procurement.
