DSPIC33FJ16MC102T-I/SO - 16-bit DSC 16KB Flash | Microchip
MPN: DSPIC33FJ16MC102T-I/SO ✓ NakahandaDSPIC33FJ16MC102T-I/SO Ulas
A digital signal controller is a hybrid device that merges the deterministic control structure of a microcontroller with the mathematical throughput of a DSP. Within the power-management hierarchy, the dsPIC33F MC family sits between general-purpose MCUs and dedicated motor-control ASICs, offering a single-chip solution for field-oriented control (FOC), sensorless BLDC, and PMSM motor drives.
Key features include up to four high-speed PWM channels with dead-time control, an up-to-4-channel high-speed 12-bit ADC, comparators with direct PWM fault connection, the Charge Time Measurement Unit (CTMU) for capacitive touch and time-based measurement, and Peripheral Pin Select (PPS) for flexible remapping of digital peripherals onto I/O pins.
The dsPIC33F core uses a modified Harvard architecture with a 24-bit instruction word, DSP multiply-accumulate (MAC) instructions with dual operands, a barrel shifter, and hardware division support, enabling single-cycle 16x16 MAC operations essential for control-loop mathematics in motor and power-conversion algorithms.
Typical applications include BLDC and PMSM motor drives, digital power supplies (power-factor correction, LLC control), inverters, and compact embedded control systems where a low pin count and integrated analog reduce board area and BOM cost.
When designing with this device, budget the 1 KB SRAM carefully: field-oriented control with estimator mathematics fits, but adding communication stacks may require the 32 KB variants of the family. Decouple VDD/VDDCORE per the manufacturer datasheet and use the internal FRC oscillator for cost-sensitive designs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Mga alternatibo na pwedeng ilagay na DSPIC33FJ16MC102T-I/SO — 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 DSPIC33FJ16MC102T-I/SO (parehas na form factor at footprint) — pagkakaiba sa Package, I/O Sink/Source Current, Peripheral Pin Select (PPS), RoHS Status, Supply Voltage.
DSPIC33FJ16MC102-I/SO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →DSPIC33FJ16MC101-I/SO
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →DSPIC33FJ32MC102T-I/SO
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →DSPIC33FJ12MC202T-I/SO
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
DSPIC33FJ16MC102T-E/TL
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
DSPIC33FJ16MC102T-I/SO Mga Pinakamataas na Rating at Electrical Characteristics
| Core | dsPIC33F 16-bit DSC |
| Instruction Rate | 16 MIPS |
| Max Clock Speed | 40 MHz |
| Program Memory | 16 KB Flash |
| SRAM | 1 KB |
| Volte ng Pagbibigay | 3 V to 3.6 V |
| Temperature na Operasyon | -40C to +85C (I grade) |
| Packhaging | 28-pin SOIC Wide (SO), 300 mil |
| Uri ng Pagpapasok | Surface Mount |
| I/O Ports | Up to 21 I/O on 28-pin package |
| Peripherals | MCPWM, CTMU, PPS, ADC, Comparators |
| High-Speed Comparators | Up to 4 with direct PWM connection |
| ROM Type | Flash |
| Packaging | Tape and Reel (T suffix) |
| Lead Free | Yes |
| Life Cycle Stage | ACTIVE |
Gabay sa Pin Configuration ng DSPIC33FJ16MC102T-I/SO 28-pin soic wide (so), 300 mil
Pin configuration para sa DSPIC33FJ16MC102T-I/SO (28-pin soic wide (so), 300 mil 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 DSPIC33FJ16MC102T-I/SO.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
DSPIC33FJ16MC102T-I/SO ay nararapat para sa 6 aplikasyons: BLDC / PMSM Motor Drives, Digital Power Supplies (PFC / LLC), Inverters and Solar Micro-Inverters, Capacitive Touch Interfaces (via CTMU), Industrial Automation Nodes, Embedded Control OEM / Consumer Equipment.
BLDC / PMSM Motor Drives
The DSPIC33FJ16MC102T-I/SO fits brushless DC and permanent-magnet synchronous motor control because its Motor Control PWM module generates complementary outputs with programmable dead time, and up to four high-speed comparators provide direct PWM fault shutdown without CPU latency. The 16 MIPS dsPIC33F core executes field-oriented control and sensorless observer algorithms using single-cycle 16x16 MAC instructions. In a typical sensorless BLDC drive, the ADC samples phase currents at PWM frequency while the comparator modules handle overcurrent trips in hardware, achieving deterministic protection. The 1 KB SRAM constrains estimator complexity, so simple sliding-mode or BEMF observers fit comfortably; adding full communication stacks may require the 32 KB family variant.
Inirekomenda
Digital Power Supplies (PFC / LLC)
For digital power conversion such as power-factor-correction and LLC resonant converters, the DSPIC33FJ16MC102T-I/SO offers the deterministic PWM resolution and fast analog feedback needed for control loops switching at 100-500 kHz. The high-speed comparators implement cycle-by-cycle current limiting in hardware, while the 12-bit ADC feeds average-current-mode control loops running on the 16 MIPS core. Peripheral Pin Select lets engineers map PWM outputs and analog inputs optimally on the 28-pin SOIC, minimizing board area in compact AC-DC designs. Because the core runs from a 3.0-3.6 V supply, an inexpensive 3.3 V LDO or bias winding regulator completes the controller power tree; budget the 1 KB SRAM for one control loop plus housekeeping.
Inirekomenda
Inverters and Solar Micro-Inverters
Grid-tied and off-grid inverter front ends benefit from the DSPIC33FJ16MC102T-I/SO's combination of DSP mathematics and motor-control-grade PWM. The 40 MHz clock and DSP multiply-accumulate support run sine-wave generation, phase-locked loops, and MPPT algorithms at control-loop rates, while complementary PWM with dead-time insertion safely drives the power stage. High-speed comparators connected directly to the PWM inputs provide hardware-level fault responses to overcurrent events, a critical requirement in energy-conversion equipment. The industrial -40C to +85C rating suits outdoor enclosures. Designers should reserve ADC channels for grid voltage/current sensing and verify comparator trip thresholds against the power stage limits defined in the power-device datasheets.
Inirekomenda
Capacitive Touch Interfaces (via CTMU)
The integrated Charge Time Measurement Unit (CTMU) makes the DSPIC33FJ16MC102T-I/SO suitable for capacitive touch buttons and sliders embedded in appliance and industrial panels, sharing the same silicon as the motor control application. The CTMU measures charge time with sub-nanosecond-class resolution, and Microchip application notes provide the mTouch sensing methodology on this family. Combining touch sensing with motor or power control on one 28-pin SOIC device eliminates a separate touch controller, reducing BOM cost and board area. Software must time-multiplex CTMU scans with the main control loop; because the 1 KB SRAM limits per-channel filtering buffers, limit the touch matrix to a modest number of keys for stable performance.
Inirekomenda
Industrial Automation Nodes
In factory automation, the DSPIC33FJ16MC102T-I/SO serves as a compact actuator and sensor node controller: 16 MIPS handles control tasks while Peripheral Pin Select remaps UART/SPI/I2C onto flexible pins to fit existing harness designs. The industrial temperature grade of -40C to +85C covers cabinet and floor environments, and the 28-pin SOIC wide package with 300 mil row spacing fits cost-sensitive two-layer boards. Typical nodes drive small motors, solenoids, or valves while reporting over UART or CAN. Flash self-programming supports field firmware updates. Ensure the 3.3 V supply is derived from an industrial-grade regulator with surge protection, and use the internal comparators as low-latency limit guards for actuator over-travel conditions.
Inirekomenda
Embedded Control OEM / Consumer Equipment
For OEM products requiring a low-cost single-chip controller - pumps, fans, small compressors, and benchtop instruments - the DSPIC33FJ16MC102T-I/SO delivers DSP-grade control at MCU pricing (approximately $2.73 in volume as of 2026-09-27). The ultra-low-cost positioning stated by Microchip, combined with small-footprint 28-pin packaging and Tape and Reel supply for automated assembly, makes it attractive for high-volume consumer and light-industrial products. Internal fast RC oscillator options remove the external crystal in closed-loop motor applications, cutting component count further. Development uses Microchip MPLAB X IDE with free compiler tiers, and the same family scales upward in Flash without PCB redesign, protecting the mechanical and layout investment across product tiers.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for DSPIC33FJ16MC102T-I/SO — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | DSPIC33FJ16MC102-I/SO | DSPIC33FJ16MC101-I/SO | DSPIC33FJ32MC102T-I/SO | DSPIC33FJ12MC202T-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC Wide (SO) | 28-SOIC Wide (SO) - same | 28-SOIC Wide (SO) - same | 28-SOIC Wide (SO) - same | 28-SOIC Wide (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 16 KB | 16 KB | 16 KB | 32 KB | 12 KB |
| Performance | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS | 16 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Motor Control Peripherals | MCPWM, 4 comparators, CTMU, PPS | MCPWM, 4 comparators, CTMU, PPS | Reduced set (fewer comparators, no CTMU) | MCPWM, 4 comparators, CTMU, PPS | Basic PWM set |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Pangunahing mga Pagkakaiba
- Motor-control peripheral richness at 16 KB class (kumpara saDSPIC33FJ12MC202T-I/SO)
- Memory upgrade path on the same footprint (kumpara saDSPIC33FJ32MC102T-I/SO)
- Single-chip integration of touch and control (kumpara saDSPIC33FJ16MC101-I/SO)
Talaan ng Disenyo
The dsPIC33F family operates from a 3.0-3.6 V supply and generates its internal core voltage (VDDCORE). Fit the exact decoupling capacitance called out in the manufacturer datasheet on VDD and VDDCORE - typically a 0.1 uF ceramic per pin pair plus bulk capacitance. In motor drive boards, place the controller supply away from gate-driver switching loops; a ferrite bead plus bulk capacitor on VDD suppresses conducted switching noise that can corrupt ADC current samples.
Do not exceed the 3.6 V maximum supply, and never connect 5 V logic directly to I/O. Budget SRAM carefully: 1 KB accommodates FOC with basic observers, but full CAN stacks plus sensorless estimators may overflow - use the linker map to verify. When migrating firmware from DSPIC33FJ12MC202, check that comparator and CTMU features assumed in code exist on the target die before committing the PCB.
Use Peripheral Pin Select (PPS) to route PWM outputs and analog inputs away from noisy power-stage traces, exploiting the flexibility of the 28-pin SOIC. Keep the ADC current-sense input traces short and paired with a ground return; sample synchronization with the MCPWM trigger gives clean instantaneous current readings. Provide the standard 300 mil SOIC land pattern with thermal relief-free ground connections for oscillator and analog grounds per Microchip layout application notes.
Impormasyon ng Pagsunod sa Kautusan
Lead-free plastic package stated in datasheet summary (digchip). REACH, halogen-free and conflict-minerals declarations available on request from Microchip product page.
