DSPIC33FJ06GS102A-I/MM - 16-bit DSC 40MIPS 6KB SMPS | Microchip
MPN: DSPIC33FJ06GS102A-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.6 | $3.60 |
| 10 | $3.3 | $33.00 |
| 100 | $3.05 | $305.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.65 | $2,650.00 |
DSPIC33FJ06GS102A-I/MM Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33F "GS" family sits at the controller level of digital power conversion systems, replacing analog PWM and error-amp stages with fully digital feedback loops. This makes the GS family a direct building block of modern power management IC architectures for AC-DC and DC-DC conversion.
Key features include a 16-bit dsPIC33F core running at up to 40 MIPS, 6 KB (2K x 24) of flash, dedicated high-speed PWM peripherals, an on-chip ADC and analog comparators purpose-built for current-mode and voltage-mode power loops, and industrial temperature operation from -40C to +85C (the "I" grade suffix).
Architecturally, the device pairs a modified Harvard 16-bit core with DSP instruction extensions (MAC, multiply-divide) so that control-loop computation, such as PID compensation in a PFC stage, executes in a deterministic number of cycles. The high-resolution PWM module supports complementary outputs, dead-time insertion, and fault shutdowns required by half-bridge, full-bridge, and buck topologies.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, and uninterruptible power supplies (UPS), where the integrated PWM, ADC, and comparators close fast control loops that discrete analog controllers cannot adapt in firmware.
Design consideration: at 40 MIPS the core is fast enough for multi-loop control, but the 256-byte RAM is small; size control-loop variables and buffering carefully, and verify all ANSEL-type analog configuration registers per the Microchip data sheet, since misconfigured analog pins default to analog input and read as logic 0.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-09-26.
Drop-in alternatives for DSPIC33FJ06GS102A-I/MM — 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 DSPIC33FJ06GS102A-I/MM (same form factor and footprint) — differing in Package, Core Architecture, Data RAM, Operating Temperature Range, Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS102A-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202A-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.98 / Unit
View Datasheet →DSPIC33FJ16GS102-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ09GS302-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.11 / Unit
View Datasheet →DSPIC33FJ06GS102A-I/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F (modified Harvard) |
| Max Core Performance | 40 MIPS |
| Program Memory (Flash) | 6 KB (2K x 24) |
| RAM | 256 Bytes |
| Supply Voltage | 3.3 V |
| Package | 28-QFN-S (6x6 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C (Industrial, I grade) |
| Target Application Family | SMPS / Digital Power Conversion |
| High-Speed PWM | Yes (dedicated SMPS PWM module) |
| ADC | Yes (on-chip) |
| Analog Comparators | Yes (on-chip) |
| Programming/Debug Interface | ICSP (PGECx/PGEDx pairs) |
| Status | In Production (per Microchip product page) |
| Number of Pins | 28 |
| Typical Applications | AC-DC, DC-DC, PFC, UPS |
DSPIC33FJ06GS102A-I/MM 28-qfn-s (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS102A-I/MM (28-qfn-s (6x6 mm) 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 DSPIC33FJ06GS102A-I/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS102A-I/MM is suitable for 6 applications: AC-DC Converter Digital Control, Power Factor Correction (PFC), DC-DC Converter Control, Uninterruptible Power Supply (UPS), Solar Micro-Inverter and Renewable Power Conversion, LED Driver and Lighting Power Supply.
AC-DC Converter Digital Control
In offline AC-DC converters, the DSPIC33FJ06GS102A-I/MM replaces analog control chips with a fully digital control loop. Its dedicated high-speed PWM module provides complementary outputs with programmable dead time for flyback and half-bridge power stages, while the on-chip ADC samples output voltage and input current synchronously with the PWM period, reducing control-loop latency. The 40 MIPS core executes PI or PID compensation with DSP multiply-accumulate instructions in a deterministic cycle count, enabling loop bandwidths that meet typical 65 kHz to 500 kHz converter designs. On-chip comparators support fast cycle-by-cycle current limiting independent of software, a key safety feature for primary-side protection in mains-connected supplies.
Recommended
Power Factor Correction (PFC)
For boost-type PFC stages, the DSPIC33FJ06GS102A-I/MM implements average-current-mode control digitally. The ADC samples the rectified input voltage, inductor current, and bus voltage each switching cycle, and the 40 MIPS core computes the current-loop duty command without the drift and component-tolerance issues of analog multipliers. Microchip identifies PFC explicitly as a target application for the GS family in the dsPIC33FJ06GS102A data sheet. The device's 6 KB flash is sufficient for PFC firmware including soft-start, brownout handling, and bus-voltage regulation, while the analog comparators provide hardware overcurrent shutdown with sub-microsecond response, protecting the MOSFET during inrush and load transient events.
Recommended
DC-DC Converter Control
The DSPIC33FJ06GS102A-I/MM is well suited to digitally controlled buck, boost, and synchronous DC-DC converters in telecom, industrial, and automotive auxiliary power rails. The high-resolution PWM supports constant-voltage and constant-current modes with mode crossover logic in firmware, useful for battery chargers and LED drivers. Because feedback scaling, compensation, and protection thresholds are firmware parameters, one hardware design can serve multiple output configurations, cutting board variants. The 3.3 V supply and 256-byte RAM keep the controller cost and footprint small; the 28-QFN-S 6x6 mm package with exposed pad provides low thermal resistance to dissipate controller heat into the power PCB, and the ADC plus comparators close fast current loops.
Recommended
Uninterruptible Power Supply (UPS)
In compact line-interactive and double-conversion UPS systems, the DSPIC33FJ06GS102A-I/MM manages inverter PWM generation, battery charging, and transfer logic on a single controller. The GS family is explicitly listed by Microchip as supporting UPS applications. The high-speed PWM drives the inverter bridge with dead-time insertion, the ADC samples AC output and battery voltage for waveform regulation, and the comparators provide hardware fault shutdown for overcurrent events. The 40 MIPS core has headroom for a 50/60 Hz sine reference generator plus multiple inner control loops. Industrial -40C to +85C operation permits installation in outdoor and telecom cabinet UPS units without additional thermal management of the controller.
Recommended
Solar Micro-Inverter and Renewable Power Conversion
Renewable energy converters such as solar micro-inverters and small MPPT chargers benefit from the DSPIC33FJ06GS102A-I/MM's combination of DSP computation and SMPS peripherals. The 40 MIPS core runs MPPT search algorithms (perturb-and-observe or incremental conductance) while the PWM module controls the DC-DC stage and the ADC tracks panel voltage and current in real time. Firmware-based control allows field-updatable MPPT profiles, an advantage over fixed-function analog controllers. The 6 KB flash accommodates MPPT, grid-frequency synchronization basics, and protection logic, while pin-compatible family parts such as the GS202A allow memory growth without PCB respin - a practical advantage when a single PCB platform spans multiple panel wattages and regional grid variants.
Recommended
LED Driver and Lighting Power Supply
Digitally controlled LED drivers use the DSPIC33FJ06GS102A-I/MM to combine constant-current regulation with dimming and fault reporting in one controller. The high-speed PWM can generate both the power-stage switching waveform and a separate dimming PWM channel, supporting 0-10 V, PWM, and DALI-style dimming front ends implemented in firmware. The on-chip ADC monitors LED string current and board temperature for thermal foldback, extending LED lifetime, while comparators implement hardware short-circuit protection for open or shorted strings. Because the 28-QFN-S 6x6 mm package is compact, the controller fits within LED driver form factors such as T8 tube and downlight ballast replacements where board area is tightly constrained.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS102A-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS102A-E/MM | DSPIC33FJ06GS202A-I/MM | DSPIC33FJ16GS102-I/MM |
|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 40 MIPS (16-bit) | 40 MIPS (16-bit) | 40 MIPS (16-bit) | 40 MIPS (16-bit) |
| Flash Program Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 12 KB | 16 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Target Application Set | SMPS, AC-DC, DC-DC, PFC, UPS | Same GS SMPS feature set | Same GS SMPS feature set | Same GS SMPS feature set |
| Firmware Compatibility | Baseline (6 KB budget) | Binary-identical die, no changes | Recompile/link with larger flash map | Recompile/link with larger flash map |
Key Differentiators
- Purpose-built digital power peripherals (vs DSPIC33FJ06GS202A-I/MM)
- Industrial temperature standard grade (vs DSPIC33FJ06GS102A-E/MM)
- Lowest-cost entry to GS digital power family (vs DSPIC33FJ16GS102-I/MM)
Design Notes
Configure all analog pin-selection registers at startup: per the Microchip data sheet, failure to correctly configure these registers results in all ADC-capable pins remaining as analog inputs, so port reads return logic 0 and digital control I/O silently fails. Also remember that ICSP programming requires PGECx and PGEDx to be used as a matched pair - pairing PGEC2 with PGED1 will not program the device.
In SMPS layouts, place the controller's VDD and AVDD decoupling ceramic capacitors within 2-3 mm of the pins and connect the exposed pad to a quiet analog ground island that ties back to the power ground at one point. Route ADC feedback traces away from PWM gate-drive lines; with 40 MIPS switching loops, a single switching-noise glitch on a current-feedback trace can trigger false comparator trips that are very hard to diagnose on the bench.
Estimated: budget for the 3.3 V bias rail based on core plus peripheral current at 40 MIPS - verify the exact operating current figure in the official data sheet electrical characteristics section, since it is not included in the source data on this page. If the 3.3 V rail derives from an auxiliary converter output, add an LC filter or a low-noise LDO such as an MCP1700 to keep ADC reference noise below the resolution needed for current-loop sensing.
The 256-byte RAM is small for a 40 MIPS core: reserve stack headroom before adding buffering, and prefer fixed-point PID implementations with static variables over function-local arrays. If firmware approaches the 6 KB flash limit, remember the pin-compatible DSPIC33FJ06GS202A-I/MM (12 KB) and DSPIC33FJ16GS102-I/MM (16 KB) let you upgrade memory with zero PCB respin.
Compliance Information
Compliance status not stated in the provided verified web data; consult the official Microchip product page or datasheet for RoHS/REACH declarations.
