DSPIC33FJ06GS102A-E/SO - 16-bit 40 MIPS DSC 28-SOIC | Microchip
MPN: DSPIC33FJ06GS102A-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.88 | $48.80 |
| 100 | $4.35 | $435.00 |
| 500 | $3.92 | $1,960.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC33FJ06GS102A-E/SO Overview
A Digital Signal Controller combines the compute architecture of a microcontroller with the math throughput of a DSP engine. In the power-management hierarchy, this SMPS-focused DSC sits at the heart of digital power conversion systems, executing control-loop firmware for switch-mode power supplies instead of analog control ICs. The dsPIC33F family features a modified Harvard architecture with a 16-bit data path, DSP multiply-accumulate instructions, and rich on-chip analog peripherals.
Key features for digital power include a high-speed PWM module purpose-built for switch-mode power supply topologies, an on-chip 10-bit ADC capable of sampling multiple channels simultaneously, and integrated analog comparators that enable fast overcurrent protection without external circuitry. These peripherals allow multi-loop control of converters such as buck, boost, flyback, and PFC stages entirely in firmware.
Architecturally, the dsPIC33 RISC core executes most instructions in a single cycle at up to 40 MIPS, and the ADC-PWM trigger coordination provides deterministic loop timing critical for stable digital control. The 'A' revision of the GS102 improves errata relative to the original DSPIC33FJ06GS102, and the -E suffix guarantees operation across the extended -40C to +125C industrial range.
Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), and digital lighting ballasts, where the high-speed PWM and fast comparators directly address SMPS control requirements.
Design consideration: plan firmware around ADC end-of-sample interrupts triggering the PWM duty update each switching cycle, and use the Microchip MPLAB X IDE with the XC16 compiler or the XC-DSC compiler for development; ICSP programming requires PGECx/PGEDx pin pairs used together.
This page synthesizes distributor availability data, drop-in alternatives within the same 28-SOIC footprint, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS102A-E/SO — 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-E/SO (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature Range, Data Bus Width, Product Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS102A-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS102-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202A-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33FJ06GS202-E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ09GS302-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.41 / Unit
View Datasheet →DSPIC33FJ06GS102A-E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC with DSP engine |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 6 KB (2K x 24) |
| RAM | 256 Bytes |
| Supply Voltage | 3.3 V |
| Package | 28-pin SOIC (7.50 mm width) |
| Operating Temperature Range | -40C to +125C (extended, -E grade) |
| Product Family | dsPIC33FJ06GS001/101A/102A/202A |
| Peripheral Highlights | High-Speed PWM, ADC, Comparators (SMPS-optimized) |
| Target Applications | AC-DC, DC-DC, PFC, UPS digital power conversion |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Revision | 'A' revision of dsPIC33FJ06GS102 |
| Data Bus Width | 16 bit |
DSPIC33FJ06GS102A-E/SO 28-pin soic (7.50 mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS102A-E/SO (28-pin soic (7.50 mm width) 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-E/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS102A-E/SO is suitable for 6 applications: Digital AC-DC Converter Control, DC-DC Converter Digital Control, Power Factor Correction (PFC), Uninterruptible Power Supply (UPS), Industrial Lighting and Ballast Control, Embedded SMPS Prototyping and Education.
Digital AC-DC Converter Control
The DSPIC33FJ06GS102A-E/SO fits AC-to-DC converter control because its high-speed PWM module generates precisely phased gate-drive signals while the on-chip ADC samples output voltage and input current every switching cycle at deterministic latency. According to Microchip, the GS family was designed explicitly for digital switch-mode power supplies including AC-DC conversion. In a typical flyback or forward converter, firmware implements the voltage and current control loops in C, replacing analog compensation networks and enabling programmable soft-start, fault handling, and telemetry. The extended -40C to +125C temperature grade suits power supplies mounted in thermally harsh industrial enclosures near hot components. Compared with fixed-function control ICs, firmware control allows one silicon platform to serve multiple power ratings through software configuration.
Recommended
DC-DC Converter Digital Control
For DC-DC conversion (buck, boost, synchronous rectification), the DSPIC33FJ06GS102A-E/SO provides the 40 MIPS throughput needed to close current-mode loops at hundreds of kilohertz switching frequencies. Microchip lists DC-DC converters as a primary application of the GS family's high-speed PWM, ADC, and comparator peripherals. The comparators implement cycle-by-cycle cycle limiting without CPU intervention, protecting the power stage during transients, while the ADC feeds the digital compensator each period. Executing at 3.3V with 6KB of Flash, the controller leaves room for compensator code plus monitoring and communication routines within the 2K x 24 instruction array. The -E extended temperature rating guarantees timing and analog accuracy specifications hold across -40C to +125C, important when the controller sits near hot inductors and MOSFETs.
Recommended
Power Factor Correction (PFC)
The DSPIC33FJ06GS102A-E/SO is well matched to digital PFC because Microchip ships a dedicated Interleaved PFC reference design based on SMPS dsPIC Digital Signal Controllers that operates from universal AC input and delivers up to 350W of regulated high-voltage DC. The controller's PWM module supports interleaved phase management, its ADC samples inductor current and bus voltage at each switching event, and its fast comparators provide instantaneous overcurrent shutdown. Implementing PFC in firmware allows average-current-mode control with programmable harmonic shaping and brown-out handling that analog controllers cannot flex. In a 350W front end, the extended -40C to +125C qualification of the -E grade provides margin against the elevated ambient temperatures found inside enclosed power supplies with limited airflow near the PFC stage.
Recommended
Uninterruptible Power Supply (UPS)
In UPS designs, the DSPIC33FJ06GS102A-E/SO serves as the digital control core for the inverter, charger, and transfer logic. Microchip explicitly names UPS among the GS family's target digital power-conversion applications, enabled by the combination of high-speed PWM (inverter sine-wave modulation), the ADC (battery voltage, bus voltage, and current sensing), and comparators (fast fault protection). The 16-bit DSP engine executes sine-wave lookup and PI control loops at 40 MIPS, sustaining output regulation during load steps. The 6KB Flash accommodates the control firmware, state machine, and battery-management routines in the 2K x 24 program array. The -E extended temperature grade is appropriate for UPS units installed in unconditioned electrical rooms where ambient temperatures can approach the -40C to +125C envelope.
Recommended
Industrial Lighting and Ballast Control
Digital lighting ballasts and LED drivers benefit from the DSPIC33FJ06GS102A-E/SO's ability to generate phase-shifted or frequency-modulated PWM with cycle-accurate resolution. The GS family's SMPS-oriented peripherals, per Microchip documentation, support resonant and hard-switched topologies common in electronic ballasts, while the ADC enables closed-loop lamp-current or LED-current regulation. The on-chip comparators detect lamp fault or open-circuit conditions in hardware within one switching cycle, protecting the driver stage without firmware latency. Running from a single 3.3V rail at 40 MIPS with 256B RAM, the controller executes the control loop plus dimming communication (analog dim, DALI-style protocols) within 6KB Flash. The -40C to +125C rating of the -E grade covers outdoor luminaires and enclosed fixtures exposed to wide diurnal temperature swings.
Recommended
Embedded SMPS Prototyping and Education
The DSPIC33FJ06GS102A-E/SO is a practical platform for learning and prototyping digital power control, supported by Microchip's extensive GS-family documentation, the DS-75018B family datasheet, and reference designs such as the Interleaved PFC unit. Development uses MPLAB X IDE with the XC16/XC-DSC compiler, and in-circuit serial programming (ICSP) requires pairing a PGECx pin with its matching PGEDx pin, as documented by Microchip. The 28-SOIC footprint is easily handled on low-cost two-layer prototype boards, and the 6KB Flash plus 40 MIPS core is sufficient for buck, boost, and PFC teaching projects. While the -E extended-temperature grade exceeds lab requirements, it demonstrates qualification across the full -40C to +125C automotive-and-industrial envelope, and the pin-identical -I variant offers a lower-cost bench alternative.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS102A-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS102A-I/SO | DSPIC33FJ06GS102-E/SO | DSPIC33FJ06GS202A-I/SO | DSPIC33FJ09GS302-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Program Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 12 KB | 9 KB |
| RAM | 256 Bytes | 256 Bytes | 256 Bytes | 1 KB | 1 KB |
| Operating Temperature | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Key Differentiator | A-revision silicon, extended temp | A-revision, best availability/cost | Extended temp, prior errata set | 2x Flash for larger firmware | 9KB Flash SMPS DSC |
Key Differentiators
- Extended temperature qualification (vs DSPIC33FJ06GS102A-I/SO)
- Corrected silicon revision (vs DSPIC33FJ06GS102-E/SO)
- SMPS-optimized peripheral set at entry price (vs DSPIC33FJ06GS202A-I/SO)
Design Notes
Per the Microchip family datasheet getting-started section, connect VDD/VSS pairs with 0.1uF ceramic decoupling capacitors placed within a few millimeters of the pins, and keep the MCLR pin pulled up (typically 10k) for reliable ICSP and reset behavior. In SMPS layouts, isolate the controller ground from power-stage switching loops and return all analog sense lines as Kelvin connections at the shunt resistor to preserve ADC accuracy.
ICSP programming on the dsPIC33FJ06GS102A requires using PGECx and PGEDx pins as a matched pair - if PGEC2 carries ICSPCLK, ICSPDAT must be on PGED2; mixing pairs is a frequent bring-up failure. Additionally, review the Microchip errata sheet for this family (referenced in the datasheet preface) since the GS102 (non-A) documents minor operational differences with published workarounds that also apply when substituting the non-A DSPIC33FJ06GS102-E/SO.
Estimated: at 40 MIPS the dsPIC33F core typically dissipates well under 250 mW, so the 28-SOIC package with its approximate 90-100 C/W theta_JA on a standard two-layer board keeps junction rise below 25C over ambient - comfortable within the -40C to +125C rating. The practical constraint is board-level: keep the controller away from heatsinked power MOSFETs and diodes, and verify that local PCB temperature near the SOIC body stays below +125C derated for worst-case ambient plus self-heating.
Route PWM outputs with short, direct traces to gate drivers and keep them separated from ADC input traces; high dv/dt gate transitions capacitively couple into analog inputs and corrupt current-loop samples. Ground the ADC reference cleanly (VREF pins are multiplexed on AN0/AN1) and add a small RC (e.g., 100 ohm / 1 nF, verify against sampling requirements) on high-impedance sense nodes to satisfy the ADC sample-and-hold settling while limiting noise bandwidth.
Compliance Information
Compliance data not present in the provided verified web data. Microchip product pages typically publish RoHS/REACH status - confirm on microchip.com before procurement.
