DSPIC33FJ06GS202A-I/SP - 16-bit DSC 40 MIPS 6KB Flash | Microchip
MPN: DSPIC33FJ06GS202A-I/SP ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33FJ06GS202A-I/SP Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes C programs with an optimizing compiler (MPLAB XC-DSC) while providing specialized peripherals such as high-speed PWM modules, analog comparators, and ADCs for closed-loop power conversion.
Key features include a 16-bit dsPIC RISC core with a 24-bit instruction word, DSP engine with barrel shifter, 40 MIPS maximum clock speed, I2C, SPI, UART/USART and IrDA plus LINbus connectivity, boundary-scan (JTAG-style) debug support, and multiple low-power modes for battery-sensitive designs.
The GS-series is specifically architected for switched-mode power supply (SMPS) control: the silicon integrates high-resolution PWM peripherals and fast analog comparators that close current-mode loops in digital power supplies, power factor correction stages, and DC-DC converters without external analog control circuitry. CMOS process technology keeps dynamic power low across the industrial -40C to +85C temperature range indicated by the I temperature suffix.
Typical applications include digital SMPS and interleaved power factor correction (Microchip publishes an Interleaved PFC reference design for this exact family producing up to 350W), battery chargers, LED drivers, and motor control front ends.
When designing with this part, remember the 6KB Flash budget: plan code size carefully or consider family members with larger memory in the same pin-compatible footprint. Through-hole SPDIP also favors prototyping and legacy equipment service over dense surface-mount production boards.
This page synthesizes distributor pricing references, drop-in alternatives within the same 28-SPDIP footprint, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS202A-I/SP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ06GS202A-I/SP (same form factor and footprint) — differing in Package, Connectivity, Operating Temperature, Supply Voltage, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS202A-E/SP
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →DSPIC33FJ06GS102A-I/SP
✅ Drop-In✓ In Stock
$3.6 / Unit
View Datasheet →DSPIC33FJ06GS202A-I/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC RISC, 24-bit instruction word |
| Max CPU Speed | 40 MIPS |
| Clock Frequency | 40 MHz |
| Program Memory (Flash) | 6 KB (2K x 24) |
| SRAM | 1024 bytes (1 KB) |
| Supply Voltage | 3 V to 3.6 V |
| Package | 28-SPDIP (0.300 in, 7.62 mm), through-hole |
| Mounting Type | Through Hole |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus |
| Core Peripherals | Barrel shifter, high-speed PWM, comparators, ADC |
| Debug / Scan | Boundary scan, In-Circuit Serial Programming (ICSP) |
| Technology | CMOS |
| Product Family | dsPIC33FJ06GS202A (SMPS dsPIC DSC) |
| Low Power Modes | Yes |
| RoHS Status | ROHS3 Compliant |
| Compiler Support | MPLAB XC-DSC C/C++ Compiler |
DSPIC33FJ06GS202A-I/SP 28-spdip (0.300 in, 7.62 mm), through-hole Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS202A-I/SP (28-spdip (0.300 in, 7.62 mm), through-hole package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ06GS202A-I/SP.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS202A-I/SP is suitable for 6 applications: Digital SMPS Control, Interleaved Power Factor Correction, Battery Charger Control, LED Driver and Lighting Control, Prototyping and Legacy Through-Hole Equipment Service, Motor Control Front Ends.
Digital SMPS Control
The DSPIC33FJ06GS202A-I/SP is purpose-built for switched-mode power supply control: its SMPS-oriented peripheral set pairs a high-speed PWM module with fast on-chip analog comparators, allowing current-mode control loops to be closed in firmware at rates that discrete analog controllers previously required. Running at 40 MIPS with a 16-bit DSP core and barrel shifter, the device executes loop-compensation math deterministically while simultaneously handling housekeeping tasks such as telemetry over UART or I2C. Placed between the feedback divider and the power-stage gate drivers, the controller replaces a fixed analog control IC with a programmable one, enabling adaptive dead-time, soft-start profiles, and firmware updatable protection limits. The trade-off is a 6KB Flash budget that demands disciplined, fixed-point code for the compensator.
Recommended
Interleaved Power Factor Correction
Microchip publishes an Interleaved PFC reference design specifically for the SMPS dsPIC family that includes the DSPIC33FJ06GS202A: the design accepts a universal AC input range and produces a single high-voltage DC output up to 350W. The 40 MIPS 16-bit core sustains the multi-phase current-loop arithmetic while the high-resolution PWM generates phase-interleaved gate commands that minimize input current ripple and reduce EMI filter size. On-chip comparators provide fast cycle-by-cycle overcurrent protection independent of the main control loop, a critical safety layer in PFC front ends. Designers benefit from firmware-tunable power-factor targets and brownout handling; the through-hole 28-SPDIP package makes the reference design easy to adapt on prototyping boards before surface-mount production derivatives are laid out.
Recommended
Battery Charger Control
Smart battery chargers need precise current and voltage regulation with configurable charge profiles - exactly what the DSPIC33FJ06GS202A-I/SP delivers. Its 10/12-bit-class ADC input structure monitors battery voltage, current, and temperature through the analog-capable port pins, while the high-speed PWM stages drive buck or boost charging converters. The 3.0V-3.6V digital supply integrates cleanly with a 3.3V system rail, and the UART/USART plus LINbus connectivity supports charger-to-host and charger-to-battery-stack communication in multi-cell systems. Because charge algorithms (CC/CV, taper, temperature-derated profiles) live in the 6KB Flash, one PCB supports multiple chemistries via firmware. The industrial I temperature grade covers typical charging environments from -40C to +85C class ambients.
Recommended
LED Driver and Lighting Control
Digital LED drivers gain flicker-free dimming and protection intelligence when built on the DSPIC33FJ06GS202A-I/SP. The high-speed PWM peripheral generates the constant-current converter switching waveform, while firmware-implemented dimming engines (PWM dimming, analog dimming via filtered PWM, or hybrid schemes) run on the 16-bit core without loading the main loop. On-chip comparators provide fast open-circuit and short-circuit protection, and the ADC channels monitor current sense resistors for closed-loop constant-current regulation. At 40 MIPS, the controller can also implement multi-channel sequencing and communication (UART or I2C to a lighting master) concurrently. Designers should budget the 6KB Flash carefully, keeping the compensator in tight fixed-point code, and note that the SPDIP package suits industrial luminaire prototyping.
Recommended
Prototyping and Legacy Through-Hole Equipment Service
The 0.300-inch (7.62mm) 28-SPDIP through-hole package of the DSPIC33FJ06GS202A-I/SP makes it uniquely suitable for breadboard prototyping, university labs, and servicing legacy equipment that was designed around through-hole 28-pin microcontrollers. It plugs directly into DIP sockets without adapters, supports In-Circuit Serial Programming through any PGECx/PGEDx pin pair (used as a matched pair), and programs with the same MPLAB XC-DSC toolchain as its surface-mount siblings. Because the /SP variant is functionally identical to the /SS (SSOP-28) and /MM (QFN-S) versions, a prototype proven on SPDIP can be migrated to a surface-mount part for production with only firmware-identical silicon - no architectural redesign. This preserves engineering investment across prototype-to-production transitions.
Recommended
Motor Control Front Ends
Low-complexity motor drives - BLDC commutation, small PMSM, and universal-motor control - fit well within the DSPIC33FJ06GS202A-I/SP capability envelope. The 40 MIPS 16-bit core executes six-step or sensorless algorithms with the DSP engine's barrel shifter accelerating fixed-point math, while high-speed PWM outputs drive the inverter gate stage with programmable dead time. ADC channels sample phase currents and the DC bus, and on-chip comparators deliver hardware-level overcurrent trip independent of software latency, protecting MOSFETs during fault events. Connectivity peripherals (UART, I2C, SPI) link the drive to a higher-level system controller for speed commands and diagnostics. The 6KB Flash is adequate for compact commutation firmware, but designers of field-oriented control should evaluate larger-memory dsPIC33 family members instead.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS202A-I/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS202A-E/SP | DSPIC33FJ06GS102A-I/SP |
|---|---|---|---|
| Package | 28-SPDIP (through-hole) | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | 16-bit dsPIC, 40 MIPS | 16-bit dsPIC, 40 MIPS | 16-bit dsPIC, 40 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Grade | I (industrial) | E (extended) - broader range | I (industrial) |
| Peripheral Set (SMPS PWM / Comparators) | Full GS202A set | Full GS202A set - identical | Reduced GS102A set |
Key Differentiators
- Through-hole 28-SPDIP package for sockets, breadboards, and legacy service (vs DSPIC33FJ06GS202A-I/SS (SSOP-28) and /MM (QFN-S))
- SMPS-optimized peripheral architecture (vs DSPIC33FJ06GS102A-I/SP (same package))
- Honest trade-off: industrial-only temperature grade (vs DSPIC33FJ06GS202A-E/SP)
Design Notes
Respect the 6KB Flash budget from day one. The DSPIC33FJ06GS202A-I/SP provides 2K x 24 instruction words, which a full ANSI C codebase with floating-point libraries can exhaust quickly. Use the MPLAB XC-DSC compiler's fixed-point and DSP library routines, enable optimization (-O2), and monitor the memory-usage map at every build. If the application outgrows the part, migrating within the pin-compatible GS family footprint is far cheaper than a PCB respin.
The device requires a regulated 3.0V-3.6V supply. Add 0.1uF ceramic decoupling directly at each VDD/VSS pin pair plus bulk capacitance (estimated: 4.7uF-10uF) at the board level; keep the loop area between decoupling capacitors and pins minimal on the SPDIP socket layout. Verify the regulator maintains the window through 40 MIPS active current plus PWM-driven load transients; brownouts below 3.0V can corrupt Flash writes or cause erratic PWM behavior in a live power stage.
For In-Circuit Serial Programming, connect a matched PGECx/PGEDx pair to the programming header - per the Microchip device documentation and third-party programmer notes, PGEC2 must pair with PGED2, etc. Do not mix pairs. On through-hole prototype boards, reserve header space for MCLR, VDD, VSS, and one PGEC/PGED pair so every board is field-programmable without desoldering, and hold MCLR low at power-up for clean debugger attach.
Compliance Information
Distributor data (ics-embedded) lists ROHS3 Compliant for DSPIC33FJ06GS202A-I/SP. REACH, lead-free, halogen-free and conflict-minerals statuses were not stated in the provided data.
