DSPIC33CK32MC103-H/M5 Microchip Integrated Circuit (Other) In Stock
The DSPIC33CK32MC103-H/M5 is a 16-bit digital signal controller with a 64 MHz maximum clock, 32 KB Flash, 8 KB RAM, integrated op-amps, and 12-bit ADCs for motor control. It combines DSP performance with MCU peripherals including high-resolution PWM for precise drive waveforms. Available in a 36-pin UQFN package suited for compact motor drive and power conversion boards.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 36
- Lifecycle
- ACTIVE
- Datasheet
- DSPIC33CK32MC103-H/M5 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2700(MOQ 100)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 16-bit dsPIC33CK core at up to 64 MHz with hardware barrel shifter
- 32 KB Flash and 8 KB RAM for motor control firmware
- Integrated op-amps enabling on-chip current sensing without external amplifiers
- 12-bit ADCs for accurate phase current and voltage measurement
- High-resolution PWM outputs for precision motor drive waveforms
- 36-pin UQFN package for compact power electronics designs
- Boundary scan (JTAG) support for in-system debugging
Applications
The DSPIC33CK32MC103-H/M5 targets BLDC and PMSM motor control applications where real-time FOC (field-oriented control) algorithms demand 16-bit DSP throughput at 64 MHz. Its integrated op-amps and 12-bit ADCs allow direct phase-current sensing with minimal external circuitry, reducing BOM cost in compact drive modules. It is also well-suited for power conversion stages such as digitally controlled DC-DC converters and PFC (power factor correction) circuits in industrial and appliance applications.
Specifications
| Manufacturer Package Code | UQFN-36 |
| Factory Lead Time | 13Weeks |
| Date Of Intro | 2020-08-12 |
| YTEOL | 20 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| Clock Frequency-Max | 64MHz |
| Format | FIXED POINT |
| Integrated Cache | YES |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | S-PQCC-N36 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 4 |
| Number of Serial I/Os | 3 |
| Number of Timers | 3 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 24 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC36,.2SQ,16 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (words) | 8192 |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100 |
| Supply Current-Max | 29.6mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.35 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the integrated op-amp in the DSPIC33CK32MC103-H/M5 simplify motor current sensing circuit design?
The integrated op-amps eliminate the need for external discrete amplifier stages in the current sensing path, reducing BOM count by at least 2-4 components per phase. They are connected directly to the 12-bit ADC inputs, enabling on-chip shunt amplification of millivolt-level signals from a low-side current sense resistor. This integration also minimizes PCB trace routing between the shunt and ADC, lowering noise susceptibility at switching frequencies up to 64 MHz.
What is the maximum clock frequency of the DSPIC33CK32MC103-H/M5, and how does it affect FOC algorithm execution time?
The DSPIC33CK32MC103-H/M5 runs at up to 64 MHz, executing single-cycle 16-bit MAC operations that allow a complete FOC current loop to be processed in under 10 µs at that clock rate. The 32 KB Flash provides enough code space for a full FOC implementation plus startup routines, and the 8 KB RAM accommodates real-time data buffers for dual-current feedback and speed estimation.
When would a designer choose the 36-pin UQFN package of the DSPIC33CK32MC103-H/M5 over a larger TQFP variant?
The 36-pin UQFN (approximately 4 mm × 4 mm) is chosen when board space is constrained, such as in in-hub motor drives, miniature servo controllers, or handheld power tools where the PCB may be smaller than 30 mm × 30 mm. The UQFN's 0.5 mm pitch demands tighter assembly tolerances compared to a 0.8 mm pitch TQFP-44, so the TQFP variant is preferred for prototyping or lower-volume builds where manual rework is required. Both packages share identical electrical functionality with 36 or more I/O pins available for motor PWM, ADC, and UART debug.
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