DSPIC33FJ06GS102AT-I/MM - 16-bit 40 MIPS DSC 6KB Flash | Microchip
MPN: DSPIC33FJ06GS102AT-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.46 | $1,230.00 |
| 1,000 | $2.21 | $2,210.00 |
DSPIC33FJ06GS102AT-I/MM Overview
A Digital Signal Controller combines the computational throughput of a Digital Signal Processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). In the power-management hierarchy, the dsPIC33FJ GS family sits at the top of the dsPIC33F line for digital power conversion, pairing a 16-bit modified Harvard CPU with dedicated analog and PWM hardware.
Key features highlighted by distributors include high-speed PWM modules, on-chip analog-to-digital conversion and analog comparators, making this part explicitly targeted at Switch-Mode Power Supply (SMPS) and digital power control applications. The GS family architecture provides deterministic execution of control loops, with DSP instructions (MAC, DSP multiply) accelerating compensator algorithms.
The device operates from a single 3.3V supply (3.0V to 3.6V range per distributor data) across the industrial -40C to +85C temperature range, indicated by the I temperature suffix. The T suffix denotes tape-and-reel delivery for automated assembly.
Typical applications include digital switch-mode power supplies, AC-DC and DC-DC converters, power factor correction stages, LED drivers, and battery chargers, where the dedicated high-speed PWM peripherals close digital control loops with microsecond-scale updates.
Designers should plan for the modest 256-byte RAM when structuring control variables and avoid deep C stacks; the MPLAB XC-DSC compiler provides fine control over code generation for these resource constraints.
This page adds value beyond the datasheet by synthesizing distributor pricing tiers, verified drop-in alternatives, application guidance, and FAQ content not found on the manufacturer page.
Drop-in alternatives for DSPIC33FJ06GS102AT-I/MM — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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DSPIC33FJ06GS102A-I/MM
✅ Drop-In✓ In Stock
$2.65 / Unit
View Datasheet →DSPIC33FJ06GS102AT-E/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS101AT-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ16GS102
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS102AT-I/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC core |
| Maximum MIPS | 40 MIPS |
| Program Memory (FLASH) | 6 KB (2K x 24) |
| Data RAM | 256 Bytes |
| Operating Voltage | 3.0 V to 3.6 V (3.3 V nominal) |
| Package | 28-QFN-S (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Number of Pins | 28 |
| Key Peripherals | High-Speed PWM, ADC, Comparators (SMPS-oriented) |
| Product Family | dsPIC33FJ06GS102A (dsPIC 33F) |
| Packaging Option (T suffix) | Tape and Reel |
DSPIC33FJ06GS102AT-I/MM 28-qfn-s (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS102AT-I/MM (28-qfn-s (6x6 mm) with exposed pad 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 DSPIC33FJ06GS102AT-I/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS102AT-I/MM is suitable for 6 applications: Digital Switch-Mode Power Supplies (SMPS), Power Factor Correction (PFC) Stages, LED Driver and Lighting Ballasts, Battery Chargers, Embedded Digital Power Control Prototyping, Industrial Automation and Motor Drive Auxiliary Power.
Digital Switch-Mode Power Supplies (SMPS)
The DSPIC33FJ06GS102AT-I/MM is purpose-built for digitally controlled SMPS, combining a 40 MIPS 16-bit DSC core with high-speed PWM modules, ADC, and analog comparators. Distributors such as Mouser explicitly categorize this device under SMPS-oriented DSP/DSC parts. In a typical AC-DC or DC-DC converter, the DSC samples output voltage and current, executes a digital compensator in firmware, and updates PWM duty cycle within the switching period - closing control loops for topologies like buck, boost, flyback, and half-bridge at switching frequencies in the tens to hundreds of kilohertz. The 3.0V to 3.6V single-supply operation simplifies bias design, while the exposed-pad QFN conducts switching-noise ground currents into the PCB plane. Firmware overhead is minimal because PWM peripherals handle dead-time and fault trip autonomously.
Recommended
Power Factor Correction (PFC) Stages
Power factor correction demands fast, phase-accurate current shaping, and the DSPIC33FJ06GS102AT-I/MM provides the deterministic 40 MIPS execution and GS-family high-speed PWM resolution needed to follow a sinusoidal current reference in boost-PFC front ends. The on-chip ADC digitizes input current and bus voltage, while analog comparators support fast overcurrent protection independent of the CPU - a critical safety path when the PWM stage misbehaves. With 6KB FLASH, a complete average-current-mode PFC compensator plus housekeeping firmware fits comfortably, and the 256-byte RAM holds state variables without external memory. Operating from -40C to +85C, the I-grade part suits industrial and telecom rectifier modules where power factor compliance standards must be met across the full environmental range.
Recommended
LED Driver and Lighting Ballasts
Dimmable LED drivers benefit from the DSPIC33FJ06GS102AT-I/MM's combination of high-speed PWM and 40 MIPS firmware throughput, enabling constant-current regulation, PWM or analog dimming, and multi-string phase management in a single 28-pin QFN device. The analog comparators provide cycle-by-cycle overcurrent protection for the switching stage, and the ADC supports temperature derating of LED current to extend luminaire lifetime. Because the device runs from a 3.3V rail at 3.0V to 3.6V, secondary-side control interfaces and optocoupler feedback circuits integrate simply. The I-grade temperature range covers enclosed fixture environments up to +85C; luminaires exceeding that should use the E-grade sibling DSPIC33FJ06GS102AT-E/MM, which is pin-compatible. 6KB FLASH holds dimming curves and communication handling.
Recommended
Battery Chargers
Multi-chemistry battery charging requires precise current/voltage profiling, and the DSPIC33FJ06GS102AT-I/MM implements CC/CV charging, termination detection, and fault handling in firmware using its 40 MIPS core, high-speed PWM power stage control, and integrated ADC. The 6KB FLASH stores charge profiles for Li-ion, lead-acid, and NiMH chemistries with room for a simple host communication protocol, while the 256-byte RAM holds the charging state machine. Analog comparators give hardware-level overcurrent response faster than any firmware loop, protecting cells during fault transients. The industrial -40C to +85C rating supports outdoor and vehicle-mounted charger electronics. Designers should budget ADC sampling and PWM update timing so the digital current loop bandwidth stays well below the switching frequency.
Recommended
Embedded Digital Power Control Prototyping
Microchip's Explorer 16/32 Development Board supports the dsPIC33FJ06GS102 family through Plug-In Modules (PIMs), providing a low-cost modular path to prototype digital control firmware before committing to the 28-QFN footprint. The MPLAB XC-DSC C/C++ compiler gives full access to DSC hardware capabilities, including DSP instructions useful for filter and compensator computation. Because the DSPIC33FJ06GS102AT-I/MM uses standard MCLR/PGD/PGC programming pins, in-circuit debugging translates directly from the PIM prototype to production PCB. Engineers can benchmark compensator execution time against the 40 MIPS ceiling on the development board, then scale the design knowing the same die and peripherals ship in the surface-mount QFN-28 package for volume production.
Recommended
Industrial Automation and Motor Drive Auxiliary Power
Industrial drives and automation cabinets need auxiliary switch-mode converters that stay regulated across wide load and temperature swings, a fit for the DSPIC33FJ06GS102AT-I/MM's -40C to +85C I-grade rating and autonomous PWM fault protection. The 40 MIPS core executes supervisory logic - sequencing, telemetry, and housekeeping - alongside the digital power loop, replacing discrete analog controllers with a single 28-QFN device. Comparators provide hardware trip zones protecting downstream MOSFET stages, and the ADC feeds condition-monitoring data to a host. Firmware in 6KB FLASH covers converter control plus a basic status interface. For designs requiring more connectivity, the dsPIC33EV family members on this site offer CAN and larger memory in compatible development workflows, but the GS102A remains the compact digital-power choice.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS102AT-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS102A-I/MM | DSPIC33FJ06GS102AT-E/MM | DSPIC33FJ06GS101AT-I/MM | DSPIC33FJ16GS102 |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) exposed pad | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| FLASH Program Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 16 KB |
| Data RAM | 256 Bytes | 256 Bytes | 256 Bytes | 256 Bytes | 256 Bytes |
| Peripherals | High-Speed PWM, ADC, Comparators (SMPS) | Identical GS102A peripheral set | Identical GS102A peripheral set | GS101 set (reduced comparators) | GS16 set (more FLASH, same SMPS peripherals) |
Key Differentiators
- SMPS-dedicated peripheral set at entry price point (vs DSPIC33FJ16GS102)
- Cost-optimized industrial temperature grade (vs DSPIC33FJ06GS102AT-E/MM)
- A-revision silicon with corrected errata (vs DSPIC33FJ06GS102-I/MM (non-A))
- Trade-off: minimal RAM (vs DSPIC33FJ16GS102)
Design Notes
Supply the DSPIC33FJ06GS102AT-I/MM from a clean 3.3V rail within the 3.0V to 3.6V range. In SMPS applications the DSC shares a board with its own switching power stage, so isolate AVDD from the switching-node ground return: use an RC or ferrite filter between VDD and AVDD, and place 0.1uF ceramics at each supply pin plus bulk capacitance near the part. The exposed pad of the 28-QFN should be soldered to a grounded thermal pad - it is both the main heat path and the noise reference. Estimated: junction rise is negligible at typical DSC currents (tens of mA at 3.3V), so thermal design centers on solder integrity, not heatsinking.
The 256-byte RAM is the most common design blocker on this device. Budget early: a floating-point PID compensator with LCD or communication buffers can exhaust RAM quickly. Prefer integer or fractional (Q15) arithmetic using the DSC's native MAC instructions, keep stack depth shallow, and review the MPLAB XC-DSC memory usage report at every build. Also note the silicon revision: the original GS102 has published errata that the GS102A (this part) corrects - do not substitute the non-A GS102 into an A-based design without checking the Microchip errata sheet referenced in the family datasheet (DS-75018B).
Lay out the high-speed PWM output traces to the gate drivers short and away from the ADC input traces; GS-family comparators protecting the power stage must sense clean signals to avoid nuisance trips. Route MCLR, PGD, and PGC to a 5-pin programming header even in production boards - in-circuit debugging on the assembled PCB dramatically reduces digital-power bring-up time. Reserve the Explorer 16/32 PIM workflow for firmware development so the production layout does not need re-spin for debug access.
Keep the ADC input routing (voltage/current sense lines) as a Kelvin connection directly at the shunt or divider point, and ground the divider return at a single quiet analog ground point. Because PWM edges on this DSC slew fast enough to couple into neighboring traces, maintain at least 2-3x trace-width spacing from analog sense lines, and consider a local ground guard trace. This preserves the comparator and ADC accuracy on which the entire digital control loop depends.
Compliance Information
Compliance data was not stated in the provided verified web data for this exact MPN suffix. Verify RoHS/REACH/lead-free status via the Microchip product page environmental data for the 28-QFN package code, or request a certificate of conformance from the distributor.
