DSPIC33CK32MC103-I/M5 Microchip Integrated Circuit (Other) In Stock
The DSPIC33CK32MC103-I/M5 is a 16-bit digital signal controller from Microchip featuring 32 KB of Flash memory, a 64 MHz single-core DSC engine with hardware fixed-point DSP, and motor control peripherals in a compact 36-pin UQFN package. It targets brushless DC and permanent magnet motor drive, power conversion, and embedded control applications requiring high-speed signal processing.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 36
- Lifecycle
- ACTIVE
- Datasheet
- DSPIC33CK32MC103-I/M5 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9600(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 16-bit single-core DSP engine clocked at up to 64 MHz with hardware barrel shifter for fast signal processing
- 32 KB of embedded Flash memory with a YTEOL of 20 years for long-life industrial applications
- Integrated motor control peripherals supporting BLDC and PMSM drive in a 36-pin UQFN footprint
- Boundary scan (JTAG) support enabling in-circuit testing and debug on high-density PCBs
- Hardware fixed-point DSU with integrated cache for deterministic real-time control loops
Applications
The DSPIC33CK32MC103-I/M5 is engineered for brushless DC and permanent magnet synchronous motor control in appliances, HVAC systems, and industrial drives, where its 64 MHz fixed-point DSP core enables sub-microsecond control loop updates. Its compact 36-pin UQFN package suits space-constrained motor driver modules and power converter boards. The controller is also used in digital power supply designs, battery chargers, and inverter stages that demand deterministic execution of PID or space-vector PWM algorithms.
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 | TS 16949 |
| 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 | INDUSTRIAL |
| 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 | 8542.31.00.01 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for DSPIC33CK32MC103-I/M5:
Microchip Technology Inc dsPIC33C 100MHz, 32K Flash, 8K RAM, OpAmps, 12bit ADCs, PWM
Frequently Asked Questions
What is the maximum clock frequency of the DSPIC33CK32MC103-I/M5 and how does it benefit motor control?
The DSPIC33CK32MC103-I/M5 operates at up to 64 MHz, delivering 64 MIPS of single-cycle throughput with its 16-bit DSP engine. This speed enables field-oriented control loops to complete in under 5 µs, allowing switching frequencies of 50 kHz or higher in BLDC and PMSM drive designs without compromising real-time responsiveness.
How much program memory does the DSPIC33CK32MC103-I/M5 provide, and is it sufficient for a full motor controller firmware?
The DSPIC33CK32MC103-I/M5 provides 32 KB of Flash memory, which is sufficient for a complete sensorless FOC firmware including PID regulators, ADC interrupt handlers, communication stacks (UART or CAN), and bootloader. For applications needing more code space, pin-compatible siblings in the DSPIC33CK family offer up to 256 KB of Flash.
Which package does the DSPIC33CK32MC103-I/M5 use and what are its physical dimensions?
The DSPIC33CK32MC103-I/M5 is housed in a 36-pin UQFN (Microchip package code UQFN-36), an ultra-thin QFN format with an exposed paddle. The small footprint (typically under 6 x 6 mm) and low profile make this DSC suitable for compact motor drive modules and power converter PCBs where board area is at a premium.
When should a designer choose DSPIC33CK32MC103-I/M5 over a PIC32 for a motor control project?
A designer should choose the DSPIC33CK32MC103-I/M5 when the application requires hardware fixed-point DSP operations—such as multiply-accumulate at 64 MHz—and dedicated motor control PWM peripherals, rather than the general-purpose 32-bit architecture of PIC32. The DSPIC33CK core achieves lower interrupt latency (under 2 cycles) and lower power per MIPS in the 3.0 V to 3.6 V supply range, making it cost-effective for high-frequency switching control.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3300 | $1.33 |
| 100+ | $1.1000 | $110.00 |
| 1000+ | $1.0000 | $1000.00 |
| 5000+ | $0.9600 | $4800.00 |
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