DSPIC33CK64MP102T-I/SS
DSPIC33CK64MP102T-I/SS - 100MHz 16-bit DSC 64KB Flash | Microchip
The Microchip Technology DSPIC33CK64MP102T-I/SS is a 16-bit digital signal controller (DSC) with a single 100 MIPS dsPIC33CK core, 64 KB (64K x 8) Flash program memory, 8 KB RAM, and integrated high-speed analog peripherals, housed in a 28-pin SSOP (5.30 mm width) surface-mount package.
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic interrupt architecture of a microcontroller. Within the power management hierarchy, the dsPIC33CK family sits between general-purpose MCUs and dedicated digital power ICs, providing a programmable platform for closed-loop control of power conversion stages. The 16-bit pipeline core executes DSP multiply-accumulate instructions, making it well suited to control algorithms that require fast proportional-integral loops and filtering.
Key features of this part include the 100 MHz/100 MIPS single-core CPU, 64 KB of self-programmable Flash with ECC, 8 KB of RAM, a 12-bit high-speed ADC, on-chip operational amplifiers and comparators, multiple PWM modules for power conversion, and Functional Safety (FuSa) support documentation as classified by DigiKey. The I-temperature grade covers -40C to +85C industrial ranges, and the T suffix denotes Tape and Reel packaging for automated assembly.
Architecturally, the dsPIC33CK core adds a zero-overhead DO loop, hardware division support, and a rich interrupt vector table, while the enhanced peripherals target digital power and motor control topologies such as buck, boost, LLC, totem-pole PFC, BLDC, and PMSM drives. The 3.3V supply domain simplifies interface with standard logic.
Typical applications include digital power supplies, AC-DC and DC-DC converters, brushless motor drives, power factor correction stages, and advanced sensing and control nodes. The 28-pin SSOP footprint suits compact, cost-sensitive converter designs where GPIO count requirements are moderate.
Design considerations: supply decoupling close to VDD pins, careful analog grounding for the high-speed ADC, and MCLR-based ICSP programming via a 5-pin header are recommended. PWM dead-time and ADC trigger synchronization should be verified against the device family reference manual.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance beyond what the manufacturer datasheet alone provides.
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