DSPIC33CK128MC102T-I/2N - 100MHz 128KB Flash DSC | Microchip
MPN: DSPIC33CK128MC102T-I/2N ✓ NakahandaDSPIC33CK128MC102T-I/2N Ulas
A Digital Signal Controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and full DSPs, making the dsPIC33CK family a common choice in the microcontroller -> DSC -> DSP spectrum for real-time control loops.
Key features include the 100 MHz dsPIC33CK core with DSP engine and barrel shifter, 128 KB Flash and 16 KB RAM, on-chip operational amplifiers (OpAmps), a 12-bit ADC, and high-resolution PWM peripherals - the exact combination cited by Mouser: "dsPIC33C 100MHz, 128KB Flash, 16KB RAM, OpAmps, 12bit ADC, PWM". Four DMA channels enable efficient data movement without CPU intervention.
The dsPIC33CK architecture builds on Microchip's 16-bit dsPIC33 heritage, adding a faster core, improved ADC throughput, and current-sensing op-amps aimed at field-oriented control (FOC). The single-core design simplifies software compared to the dual-core dsPIC33CH family while retaining DSP multiply-accumulate performance for control mathematics.
Typical applications include high-speed motor control (BLDC/PMSM FOC), digital power conversion (totem-pole PFC, LLC), and audio/signal processing, as identified in distributor listings by Lisleapex and Microchip.
Design consideration: verify the pin mapping for the 28-UQFN (2N) package directly in the Microchip datasheet before layout, as pin functions are multiplexed across the small 28-pin count.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Mga alternatibo na pwedeng ilagay na DSPIC33CK128MC102T-I/2N — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok DSPIC33CK128MC102T-I/2N (parehas na form factor at footprint) — pagkakaiba sa Operating Temperature, Package, Program Memory Size, RAM Size.
DSPIC33CK128MC102T-E/2N
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
DSPIC33CK64MC102T-I/2N
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
DSPIC33CK256MC102T-I/2N
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
DSPIC33CK32MC102T-I/2N
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →DSPIC33CK128MC102-I/SS
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
DSPIC33CK128MC102T-I/2N Mga Pinakamataas na Rating at Electrical Characteristics
| Core Processor | dsPIC33CK 16-bit DSC core |
| Core Size | 16-bit |
| Maksimum na Taktiko ng Oras | 100 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 16 KB |
| ADC Resolution | 12-bit |
| On-Chip OpAmps | Yes (integrated operational amplifiers) |
| PWM Peripherals | Yes (high-resolution PWM) |
| DMA Channels | 4 |
| DSP Features | DSP engine, barrel shifter |
| Temperature na Operasyon | -40C to +85C (I grade) |
| Packhaging | 28-UQFN (6x6x0.55 mm) |
| Uri ng Pagpapasok | Surface Mount |
| Packaging | Tape & Reel (T) |
| Tindminan RoHS | Compliant (per Newark listing: ROHS COMPLIANT: YES) |
| Low-Power Modes | Yes |
Gabay sa Pin Configuration ng DSPIC33CK128MC102T-I/2N 28-uqfn (6x6x0.55 mm)
Pin configuration para sa DSPIC33CK128MC102T-I/2N (28-uqfn (6x6x0.55 mm) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa DSPIC33CK128MC102T-I/2N.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
DSPIC33CK128MC102T-I/2N ay nararapat para sa 6 aplikasyons: Brushless Motor Control (FOC), Digital Power Conversion, Audio and Signal Processing, Industrial Automation and Sensing, Consumer Appliances, Battery-Powered and Portable Equipment.
Brushless Motor Control (FOC)
The DSPIC33CK128MC102T-I/2N fits field-oriented control (FOC) of BLDC and PMSM motors because its 100 MHz core executes Clarke/Park transforms and PI current loops with DSP multiply-accumulate instructions at PWM frequencies well into the tens of kHz. The on-chip operational amplifiers amplify low-level shunt-resistor current signals before the 12-bit ADC samples them, and four DMA channels move ADC results without CPU intervention, keeping loop jitter minimal. The high-resolution PWM generates complementary outputs with dead-time insertion for three-phase inverters, and 128 KB Flash accommodates sensorless observers such as sliding-mode or flux estimators with headroom to spare.
Inirekomenda
Digital Power Conversion
For digital power supplies such as totem-pole PFC, LLC, and buck/boost stages, the DSPIC33CK128MC102T-I/2N provides the combination of a 100 MHz control core and high-resolution PWM needed for tight regulation at switching frequencies where conventional MCUs cannot close the loop fast enough. The 12-bit ADC with DMA-driven sampling captures input/output voltage and inductor current synchronously with the PWM period, while the DSP engine executes the compensator arithmetic deterministically. The integrated op-amps condition current-shunt feedback on-chip, reducing BOM count, and 128 KB Flash leaves room for multiple converter profiles plus communication firmware in a single device.
Inirekomenda
Audio and Signal Processing
Distributor listings for the DSPIC33CK128MC102T-I/2N identify audio processing as a target use case. The 100 MHz DSP core performs FIR/IIR filtering, sample-rate conversion, and effects algorithms efficiently using hardware multiply-accumulate, while 16 KB RAM provides working buffers for frame-based audio at standard sample rates. The 12-bit ADC can digitize line-level inputs through the integrated op-amps, and the high-resolution PWM with DMA can serve as a basic output stage in cost-sensitive audio products. 128 KB Flash accommodates a complete signal-chain firmware including communication and housekeeping code.
Inirekomenda
Industrial Automation and Sensing
In industrial nodes, the DSPIC33CK128MC102T-I/2N combines deterministic control with the -40C to +85C industrial temperature rating demanded by factory environments. Its DSP throughput supports vibration-analysis and condition-monitoring preprocessing at the edge, while the 12-bit ADC and integrated op-amps digitize 4-20 mA and sensor signals. Four DMA channels keep communication servicing off the control loop, and low-power modes suit battery-backed monitoring units. The 28-UQFN 6x6 mm package conserves PCB area in compact I/O modules, and 128 KB Flash provides space for protocol stacks and field-updatable application code.
Inirekomenda
Consumer Appliances
Appliance subsystems - fan motors, pumps, compressors, and heaters - benefit from the DSPIC33CK128MC102T-I/2N's single-chip integration of motor control and system supervision. The 100 MHz core closes sensorless FOC loops efficiently, the integrated op-amps and 12-bit ADC handle current and temperature feedback without external analog ICs, and the high-resolution PWM drives inverter stages with precise dead-time control for acoustic-noise reduction. RoHS-compliant, lead-free 28-UQFN packaging supports high-volume automated assembly, and 128 KB Flash lets one PCB platform serve multiple appliance SKUs through firmware variants.
Inirekomenda
Battery-Powered and Portable Equipment
The DSPIC33CK128MC102T-I/2N suits portable, battery-operated control applications through its low-power modes that cut consumption between control events while the 100 MHz core still delivers bursts of DSP performance when the power stage needs it. The integrated op-amps and 12-bit ADC measure battery current and pack voltage for fuel gauging and protection, and the high-resolution PWM drives charging or motor stages from the same die. The small 28-UQFN 6x6x0.55 mm footprint keeps end-product PCBs compact, and 128 KB Flash supports sophisticated power-management state machines alongside the primary control firmware.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for DSPIC33CK128MC102T-I/2N — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | DSPIC33CK128MC102T-E/2N | DSPIC33CK64MC102T-I/2N | DSPIC33CK256MC102T-I/2N |
|---|---|---|---|---|
| Package | 28-UQFN (6x6x0.55 mm) | 28-UQFN (6x6x0.55 mm) - same | 28-UQFN (6x6x0.55 mm) - same | 28-UQFN (6x6x0.55 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Max Clock | dsPIC33CK 16-bit, 100 MHz | dsPIC33CK 16-bit, 100 MHz | dsPIC33CK 16-bit, 100 MHz | dsPIC33CK 16-bit, 100 MHz |
| Flash Program Memory | 128 KB | 128 KB | 64 KB | 256 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| On-Chip OpAmps / 12-bit ADC / PWM | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
| Relative Cost Position | Mid (128 KB) | Premium (extended temp grade) | Lower (half the Flash) | Higher (double the Flash) |
Pangunahing mga Pagkakaiba
- Balanced 128 KB Flash with 16 KB RAM (kumpara saDSPIC33CK64MC102T-I/2N)
- Cost efficiency over larger Flash variant (kumpara saDSPIC33CK256MC102T-I/2N)
- Industrial temperature grade cost advantage (kumpara saDSPIC33CK128MC102T-E/2N)
Talaan ng Disenyo
The 28-UQFN (6x6x0.55 mm) package has a 0.4-0.5 mm pitch land pattern with a central exposed thermal pad that should be soldered to a grounded copper pour for both heat dissipation and grounding of analog circuits. Use a standard QFN stencil with approximately 50% coverage on the center pad to avoid solder voids. Because the /2N package is lead-frame based with perimeter pins only, verify the exact pin functions against the dsPIC33CK128MC102 family datasheet pin diagram before routing - analog inputs, op-amp pins, and PWM outputs are multiplexed on this reduced pin count.
Decouple the VDD core and I/O supply rails with 0.1 uF ceramic capacitors placed within 2 mm of each supply pin, plus a 4.7-10 uF bulk capacitor per rail. The dsPIC33CK core at 100 MHz draws transient current on every clock edge; a shared, poorly decoupled rail between the core regulator output and analog op-amp supplies will degrade ADC accuracy. When using the on-chip op-amps for current sensing, route the shunt signal to the amplifier inputs as a Kelvin connection and keep the amplifier output trace short to the ADC input pin.
Two frequent mistakes with the dsPIC33CK family: (1) MCLR must be pulled up (typically 10 kohm) and kept below the absolute maximum rating; leaving it floating causes sporadic resets. (2) The 100 MHz core clock is derived from an internal PLL - configure the PLL divider ratios within the datasheet's allowed input frequency window, and confirm startup behavior before committing oscillator settings in firmware. Also note the /I grade is rated to +85C: for enclosed drives that exceed this ambient, substitute the pin-compatible /E grade (-40C to +125C) instead of derating the design.
Impormasyon ng Pagsunod sa Kautusan
Newark product listing explicitly states "ROHS COMPLIANT: YES". REACH, halogen-free, and conflict-minerals declarations not stated in provided data - request official compliance documents from Microchip.
