DSPIC33FJ06GS102AT-I/SS - 16-bit 40MIPS DSC 6KB Flash | Microchip
MPN: DSPIC33FJ06GS102AT-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.66 | $26.60 |
| 100 | $2.36 | $236.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.86 | $1,860.00 |
DSPIC33FJ06GS102AT-I/SS Overview
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral set and ease of use of a microcontroller, sitting in the product hierarchy between a general-purpose MCU (such as a PIC18) and a dedicated DSP. In a digital power system, the DSC executes the control loop - for example a proportional-integral compensator running at switching frequency - while also handling housekeeping tasks like sequencing, telemetry and communication.
The GS family is purpose-built for digital switch-mode power conversion. Key features include a high-speed 16-bit core with DSP engine, peripherals supporting multi-loop control topologies such as Power Factor Correction (PFC), and an architecture optimized for AC-DC converters, DC-DC converters and UPS applications, as documented on the Microchip dsPIC33FJ06GS102A product page. The 6KB FLASH with 2K x 24 word organization suits compact, deterministic control firmware, and the industrial temperature rating (-40C to +85C) covers most commercial and industrial environments.
Technically, the device executes C and hand-optimized assembly via the MPLAB XC-DSC C/C++ compiler, which provides full access to DSC hardware capabilities including DSP multiply-accumulate instructions. The 40 MHz-class clock system yields 40 MIPs, sufficient for closed-loop control of converters switching at hundreds of kilohertz with single-cycle MAC throughput.
Typical applications include digital AC-DC and DC-DC power supplies, power factor correction stages, uninterruptible power supplies, LED drivers and battery charging systems - anywhere a fast, deterministic control loop replaces analog compensation.
When designing, budget program memory carefully: 2K x 24 words fills quickly once control loops, state machines and communication are combined, so consider the 16KB GS202 variant for headroom.
This page adds value beyond the manufacturer datasheet by consolidating distributor availability, drop-in alternatives, pricing tiers and practical design notes in one citable reference. Pricing shown reflects distributor data as of 2026-09-26.
Drop-in alternatives for DSPIC33FJ06GS102AT-I/SS — 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 DSPIC33FJ06GS102AT-I/SS (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS102AT-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202AT-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ16GS102AT-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC202-I/SS
✅ Drop-In✓ In Stock
$2.68 / Unit
View Datasheet →DSPIC33EV32GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.78 / Unit
View Datasheet →DSPIC33FJ06GS102AT-I/SS Maximum Ratings & Electrical Characteristics
| Core Type | 16-bit dsPIC33F DSC (RISC with DSP engine) |
| Maximum CPU Speed | 40 MIPs |
| Program Memory (FLASH) | 6 KB (2K x 24) |
| Supply Voltage | 3.3 V |
| Operating Temperature Range | -40C to +85C (Industrial, I) |
| Package | 28-SSOP (0.209 in / 5.30 mm width) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T) |
| Product Series | dsPIC33FJ06GS102A (GS digital power family) |
| Target Applications | Digital SMPS, PFC, AC-DC, DC-DC, UPS |
| Core Architecture | Modified Harvard, C compiler support (MPLAB XC-DSC) |
| Category | Embedded - Microcontrollers / DSC |
DSPIC33FJ06GS102AT-I/SS 28-ssop (0.209 in / 5.30 mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS102AT-I/SS (28-ssop (0.209 in / 5.30 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 DSPIC33FJ06GS102AT-I/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS102AT-I/SS is suitable for 6 applications: Digital AC-DC Power Supplies, Power Factor Correction (PFC), DC-DC Converters, Uninterruptible Power Supplies (UPS), LED Drivers and Lighting Power, Battery Chargers.
Digital AC-DC Power Supplies
The DSPIC33FJ06GS102AT-I/SS fits AC-DC converter control because Microchip explicitly designed the GS family for digital switch-mode power supplies, including AC to DC converters. The 40 MIPs 16-bit core with DSP multiply-accumulate engine executes voltage- and current-loop compensators at switching frequencies in the hundreds of kilohertz, while the deterministic dsPIC33 architecture keeps interrupt latency predictable for tight regulation. In a typical flyback or forward converter, the DSC replaces analog compensation networks with firmware, enabling adaptive control, soft-start profiling and digital telemetry on the same die. The trade-off versus a fixed-function controller is firmware development effort, offset by BOM consolidation on the 28-pin SSOP device.
Recommended
Power Factor Correction (PFC)
PFC stages demand high loop bandwidth and precise current shaping, which is why Microchip lists Power Factor Correction as a first-class application of the dsPIC33FJ GS family. The DSPIC33FJ06GS102AT-I/SS samples the rectified input current and bus voltage, then computes a PWM duty pattern each switching cycle; at 40 MIPs the controller sustains proportional-integral compensators plus feed-forward terms for boost or buck PFC topologies. Firmware-implemented PFC achieves high power factor across wide load ranges and adapts to different input voltages without hardware changes. Designers should verify that the 6KB FLASH accommodates the PFC loop plus supervisory code, upgrading to a 16KB pin-compatible variant if needed.
Recommended
DC-DC Converters
For DC-DC conversion - buck, boost, buck-boost and half-bridge stages - the DSPIC33FJ06GS102AT-I/SS provides the deterministic timing and math throughput digital control requires. Per Microchip's product page, DC to DC converters are a core GS-family application. The 40 MIPs core closes voltage-mode or current-mode loops with single-cycle MAC operations, and the 3.3V supply integrates naturally with converter logic rails. Digital control enables features analog controllers cannot offer easily: adaptive dead-time, phase shedding, fault logging and digital communication with a system host. On compact adapter and point-of-load boards, the 28-SSOP (5.30 mm width) package minimizes controller area while remaining hand- and machine-solderable.
Recommended
Uninterruptible Power Supplies (UPS)
UPS systems combine inverter control, battery charging and transfer logic - a workload Microchip explicitly targets with the GS family per its product page. The DSPIC33FJ06GS102AT-I/SS can run the inverter voltage loop at 40 MIPs while scheduling battery-management state machines and AC-line monitoring in the same firmware image. The DSP engine's multiply-accumulate support accelerates sinusoidal reference generation and RMS computations, and deterministic interrupt behavior keeps inverter output distortion low. For full-featured UPS firmware with communications and logging, the 6KB program space is tight; the pin-compatible 16KB GS202 or 32KB EP-family options provide migration paths without PCB redesign on the same SSOP footprint.
Recommended
LED Drivers and Lighting Power
Digitally controlled LED drivers benefit from the GS family's power-conversion focus: the DSPIC33FJ06GS102AT-I/SS regulates LED current with constant-current loops, dims via PWM or analog dimming interfaces, and protects against open/short faults in firmware. At 40 MIPs, the controller can run switching regulation for the LED stage and still service dimming curves, temperature derating and DALI-style protocol handling in simpler implementations. The industrial -40C to +85C rating covers luminaire environments, and the 3.3V, 28-pin SSOP device consolidates control at low cost in high-volume lighting products. Firmware digital control also enables adaptive current settings that extend LED lifetime versus fixed analog drivers.
Recommended
Battery Chargers
Smart battery chargers require multi-stage control - pre-charge, constant current, constant voltage and termination - with precise current regulation, matching the GS family's digital power-conversion positioning per Microchip. The DSPIC33FJ06GS102AT-I/SS implements the charging state machine and the switched-mode current loop on one 40 MIPs die, measuring current and voltage with its control peripherals and adjusting PWM duty in real time. Digital control adds value through configurable charge profiles per battery chemistry, temperature-based derating and fault diagnostics logged for quality tracking. The 6KB FLASH typically holds charger firmware comfortably, and the 28-SSOP package suits compact charger PCBs in consumer and industrial equipment.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS102AT-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS102AT-E/SS | DSPIC33FJ06GS202AT-I/SS | DSPIC33EP32MC202-I/SS | DSPIC33EV32GM002-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same |
| Program Memory (FLASH) | 6 KB (2K x 24) | 6 KB (2K x 24) | 16 KB | 32 KB | 32 KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Target Application Family | GS digital power (SMPS, PFC, UPS) | GS digital power - identical | GS digital power - identical | EP motor control - different peripheral map | EV general purpose - different peripheral map |
| Firmware Compatibility | Baseline (GS102 firmware) | 100% - same die, no code change | Near 100% - same family, more memory | Requires porting - different core/peripherals | Requires porting - different family |
Key Differentiators
- Purpose-built digital-power peripheral set (vs DSPIC33EP32MC202-I/SS)
- Lowest cost entry into GS digital power family (vs DSPIC33FJ06GS202AT-I/SS)
- Extended temperature option with zero PCB change (vs DSPIC33FJ06GS102AT-E/SS)
- Trade-off: smallest memory in the family (vs DSPIC33EV32GM002-I/SS)
Design Notes
Budget program memory before committing to this part. With 6KB FLASH organized as 2K x 24 instructions, a project combining a control loop, fault handling and a communication protocol can approach capacity quickly. If your firmware estimate exceeds roughly 1,600 instructions, select the pin-compatible DSPIC33FJ06GS202AT-I/SS (16KB) from the start - it shares the 28-SSOP footprint, so the PCB does not change and the upgrade costs only the component price difference.
Provide a clean, well-decoupled 3.3V supply for the DSC. In digital power converters the controller shares a board with high dv/dt switching nodes; place 100 nF ceramic decoupling capacitors directly at the VDD/VSS pin pairs plus bulk capacitance near the device. Keep the controller ground return separate from power-stage return until a single-point tie to minimize ground bounce corrupting ADC readings used by the control loop.
Route control signals away from inductor and switch-node traces, and use the internal precision features of the GS family rather than adding analog compensation components - the whole point of this DSC is firmware-based compensation. For the SSOP-28 footprint, ensure your land pattern follows the Microchip SSOP 5.30 mm body drawing in datasheet 70000318g so tape-and-reel assembly and any drop-in family variant (I/E grade, GS102/GS202) remain foot-print compatible.
Estimated: a 3.3V DSC executing 40 MIPs typically dissipates only tens of milliwatts of core power, so the 28-SSOP package needs no heatsink in normal operation. Thermal attention should instead focus on adjacent power-stage components (MOSFETs, inductors, shunts) whose waste heat raises local ambient; verify the -40C to +85C industrial ambient rating still holds at the controller location in the enclosure.
Compliance Information
Compliance status was not explicitly stated in the provided web data. Most current Microchip volume products are RoHS-compliant, but buyers must confirm via the official Microchip product page or distributor compliance certificates before specification in regulated markets.
