DSPIC33FJ06GS102A-I/SS - 16-bit DSC 40 MIPs 6KB Flash | Microchip
MPN: DSPIC33FJ06GS102A-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.44 | $3.44 |
| 10 | $3.3 | $33.00 |
| 25 | $3.15 | $78.75 |
| 100 | $3.04 | $304.00 |
| 1,000 | $2.85 | $2,850.00 |
DSPIC33FJ06GS102A-I/SS Overview
A digital signal controller combines the computational throughput of a DSP with the control peripherals and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a basic MCU because it adds high-resolution PWM, fast analog-to-digital conversion, and analog comparators in a single chip, making it the natural controller choice for switch-mode power conversion where timing precision and fast control loops are essential.
Key features include the dsPIC33F 16-bit core at up to 40 MIPs, high-speed PWM modules purpose-built for power conversion, a high-speed 10-bit ADC, and multiple analog comparators. These peripherals directly support multi-loop digital control of SMPS topologies without external analog control circuitry, reducing BOM cost and improving loop flexibility.
The GS102A variant belongs to the dsPIC33FJ06GS family documented in the Microchip data sheet DS-75018B covering dsPIC33FJ06GS001/101A/102A/202A and dsPIC33FJ09GS302 devices. In-circuit debugging and In-Circuit Serial Programming (ICSP) are supported through any PGECx/PGEDx pin pair using tools such as MPLAB SNAP, which connects via a standard 8-pin interface using two device I/O pins plus the reset line.
Typical applications include AC to DC converters, DC to DC converters, Power Factor Correction (PFC) stages, and uninterruptible power supplies (UPS), as well as battery chargers and LED drivers. The high-speed PWM and on-chip comparators enable peak-current-mode and voltage-mode digital control in compact footprints.
When designing with this device, choose one PGECx/PGEDx pair and keep it dedicated to programming and debugging; mixing pairs between ICSPCLK and ICSPDAT will prevent connection. Provide adequate decoupling on the 3.3V rail and respect the 28-SSOP thermal limits in enclosed power supplies.
This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet, adding selection value for digital power engineers.
Drop-in alternatives for DSPIC33FJ06GS102A-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 DSPIC33FJ06GS102A-I/SS (same form factor and footprint) — differing in Operating Temperature, Package, Packaging, Programming Interface, Core Architecture.
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Request AlternativesDSPIC33FJ06GS102A-I/SS Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33F 16-bit |
| Maximum Speed | 40 MIPs |
| Program Memory Size | 6 KB (2K x 24) Flash |
| RAM Size | 256 x 8 bytes |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +85C |
| Package | 28-SSOP (0.209", 5.30 mm width) |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| Series | dsPIC 33F |
| Peripherals | High-Speed PWM, ADC, Comparators |
| Programming | ICSP via PGECx/PGEDx pairs |
| Target Applications | Digital SMPS, AC-DC, DC-DC, PFC, UPS |
| Lifecycle Status | In Production |
DSPIC33FJ06GS102A-I/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low) / programming voltage input |
| Pin 2 | AN0/VREF+/CN2B/RB0 — Analog input 0 / positive voltage reference / change notification / port B |
| Pin 3 | AN1/VREF-/CN3B/RB1 — Analog input 1 / negative voltage reference / port B |
| Pin 4 | PGED1/AN2/RB2 — ICSP data 1 / analog input 2 / port B |
| Pin 5 | PGEC1/AN3/RB3 — ICSP clock 1 / analog input 3 / port B |
| Pin 6 | AN4/C1IN-/RB4 — Analog input 4 / comparator 1 inverting input / port B |
| Pin 7 | AN5/C1IN+/RB5 — Analog input 5 / comparator 1 non-inverting input / port B |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/AN6/RB6 — Oscillator input / external clock / analog input 6 |
| Pin 10 | OSC2/CLKO/RC15 — Oscillator output / clock output / port C |
| Pin 11 | VDD — Positive supply (3.3V) |
| Pin 12 | PWM1H/RB12 — High-speed PWM 1 high output / port B |
| Pin 13 | PWM1L/RB13 — High-speed PWM 1 low output / port B |
| Pin 14 | PWM2H/RB14 — High-speed PWM 2 high output / port B |
| Pin 15 | PWM2L/RB15 — High-speed PWM 2 low output / port B |
| Pin 16 | C2IN+/AN7/RB7 — Comparator 2 non-inverting input / analog input 7 / port B |
| Pin 17 | C2IN-/AN8/RB8 — Comparator 2 inverting input / analog input 8 / port B |
| Pin 18 | AN9/RB9 — Analog input 9 / port B |
| Pin 19 | AN10/C3IN+/RB10 — Analog input 10 / comparator 3 non-inverting input / port B |
| Pin 20 | AN11/C3IN-/RB11 — Analog input 11 / comparator 3 inverting input / port B |
| Pin 21 | PGED3/T2CK/RC9 — ICSP data 3 / Timer 2 external clock / port C |
| Pin 22 | PGEC3/RC8 — ICSP clock 3 / port C |
| Pin 23 | PGED2/RC7 — ICSP data 2 / port C |
| Pin 24 | PGEC2/RC6 — ICSP clock 2 / port C |
| Pin 25 | RP1/RC1 — Remappable peripheral pin 1 / port C |
| Pin 26 | RP0/RC0 — Remappable peripheral pin 0 / port C |
| Pin 27 | AVSS — Analog ground reference |
| Pin 28 | AVDD — Analog positive supply reference |
Typical Applications
DSPIC33FJ06GS102A-I/SS is suitable for 6 applications: AC to DC Converter Control, DC to DC Converter Control, Power Factor Correction (PFC), Uninterruptible Power Supply (UPS), Digital SMPS Multi-Loop Control, Embedded Power System Development.
AC to DC Converter Control
The DSPIC33FJ06GS102A-I/SS serves as the digital control core in offline AC to DC converters, replacing analog control loops with a software-defined control strategy. Its high-speed PWM modules generate phase-shifted or complementary drive signals with fine duty resolution, while the high-speed ADC samples the output voltage and input current fast enough to close voltage- and current-mode loops around the 40 MIPs core. On-chip comparators support cycle-by-cycle peak current limiting without CPU intervention, providing hardware-level protection. Placed on the secondary or primary control board with the 3.3V rail derived from an auxiliary winding, the DSC enables programmable output regulation, soft-start, and fault handling that analog controllers cannot match in flexibility.
Recommended
DC to DC Converter Control
In isolated and non-isolated DC to DC converters such as half-bridge, full-bridge, buck, and boost stages, the DSPIC33FJ06GS102A-I/SS provides the digital compensator and PWM generation. The 40 MIPs core executes proportional-integral control loops with sample rates compatible with switching frequencies common in telecom and industrial power boards, while the high-speed PWM offers dead-time control for synchronous rectification. The high-speed ADC feeds the compensator from current-sense or output-voltage signals, and analog comparators implement fast overcurrent trip thresholds. Because all control functions are firmware-based, one PCB design can serve multiple output voltage variants by changing firmware, reducing inventory and qualification overhead across product families.
Recommended
Power Factor Correction (PFC)
The DSPIC33FJ06GS102A-I/SS implements boost-type Power Factor Correction control digitally, executing average-current-mode control of the input inductor current while regulating the DC bus voltage. The high-speed ADC samples the rectified input waveform and inductor current, and the 40 MIPs core maintains sinusoidal current shaping with low total harmonic distortion. The high-speed PWM drives the PFC MOSFET with programmable frequency, and on-chip comparators provide immediate overcurrent protection independent of software latency. Digital implementation allows adaptive gain scheduling across light and heavy load, improving light-load efficiency versus fixed analog control, and simplifies compliance with harmonic-current requirements in servers, adapters, and industrial front ends.
Recommended
Uninterruptible Power Supply (UPS)
In UPS systems the DSPIC33FJ06GS102A-I/SS coordinates multiple power stages - rectifier, battery charger, and inverter - using its combined high-speed PWM, high-speed ADC, and comparator peripherals. The 40 MIPs core runs the inverter's sinusoidal control loop generating a clean AC output via SPWM modulation, while simultaneously managing charging profiles and transfer logic. The high-speed ADC monitors battery voltage, bus voltage, and load current, and comparators implement fast hardware fault trips for overcurrent and bus-overvoltage conditions. Firmware-based control allows product differentiation through feature updates and supports multi-loop strategies (multi-loop digital SMPS control) that Microchip explicitly targets with this GS-family device family.
Recommended
Digital SMPS Multi-Loop Control
The GS102A was designed by Microchip specifically for common multi-loop digital switch-mode power supplies, per the device data sheet. Typical multi-loop topologies include voltage-mode outer loops nested with inner current loops in LLC, flyback, and forward converters. The 40 MIPs dsPIC33F core executes both loops in firmware with deterministic timing, the high-speed ADC provides simultaneous sampling of multiple feedback signals, and the high-speed PWM modules deliver the precision duty and phase control the inner loop demands. Comparators add a hardware safety layer with sub-microsecond response. Designers gain firmware-tunable compensation, logging, and communication options impossible with fixed-function analog PWM controllers in the same price band.
Recommended
Embedded Power System Development
Beyond production power hardware, the DSPIC33FJ06GS102A-I/SS is well suited to development and bring-up of digital power platforms. ICSP programming and in-circuit debugging via any PGECx/PGEDx pair - supported by the MPLAB SNAP through an 8-pin SIL connector using two I/O pins plus reset - let engineers iterate control firmware without removing the device. The 6KB Flash (2K x 24) accommodates compact control loops plus bootloaders, and 256 bytes of RAM hold loop state and scaling structures. Available in both 28-SSOP surface-mount and SPDIP through-hole package variants across the family, the same firmware core can move from a prototyping board to the production SSOP footprint.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS102A-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS102A-E/SS | DSPIC33FJ06GS101AT-I/SS | DSPIC33FJ06GS101AT-I/SO | DSPIC33FJ06GS102-I/SS | DSPIC33FJ06GS101A-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP (5.30 mm) | 28-SSOP - same | 28-SSOP - same | 28-SSOP/SOIC width - same footprint | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Core Speed | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs | |
| Flash Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | |
| RAM | 256 x 8 bytes | 256 x 8 bytes | 256 x 8 bytes | 256 x 8 bytes | 256 x 8 bytes | |
| Operating Temperature | -40C to +85C (I grade) | Extended (E grade), wider than I | -40C to +85C | -40C to +85C | -40C to +85C | |
| High-Speed PWM / ADC / Comparators | Yes (GS102A feature set) | Yes - identical | Yes - GS101A feature subset | Yes - pre-A silicon revision | Yes - GS101A feature subset | |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- Only variant covering extended temperature in the same footprint (vs DSPIC33FJ06GS102A-E/SS)
- Full GS102A digital-power feature set at I-grade pricing (vs DSPIC33FJ06GS101AT-I/SS)
- Refined A-step silicon over the original GS102 (vs DSPIC33FJ06GS102-I/SS)
Design Notes
Reserve a dedicated ICSP header on every PCB: route one complete PGECx/PGEDx pair (for example PGEC2/PGED2 on pins 24 and 23) plus MCLR, VDD, and VSS to a standard 5- or 6-pin header. Per Microchip documentation, PGEC and PGED must be used as a matched pair - ICSPCLK and ICSPDAT cannot come from different pairs. Keep series resistors (typically 100 ohm to 470 ohm) on PGED to isolate the programming signals from PWM driver circuitry during in-circuit debugging.
Estimated: with a 3.3V supply and typical dsPIC33F core current in the tens-of-milliamps range at 40 MIPs, power dissipation stays well under the 28-SSOP thermal capability even in enclosed SMPS. However, keep the AVDD pin on its own filtered 3.3V feed (ferrite bead plus 100 nF and 10 uF ceramics) separate from the noisy digital rail - the ADC accuracy of your current-loop feedback depends directly on AVDD cleanliness. Place each VDD/VSS pair's 100 nF decoupling capacitor within 2 mm of the pins.
Do not treat the E-grade and I-grade parts as interchangeable in firmware release qualification: the DSPIC33FJ06GS102A-E/SS covers extended ambient temperatures that the I-grade (-40C to +85C) does not, so a design validated only at room temperature may fail at the I grade's 85C ceiling in a sealed PSU enclosure. Also remember that the non-A GS102 silicon revision differs from the A version in PWM/ADC/comparator behavior - always validate firmware on the exact ordering code you will ship, per Microchip's official product comparison of GS102 versus GS102A.
Compliance Information
Retrieved distributor data does not state RoHS/REACH/lead-free status for this ordering code; obtain Microchip's material declaration from the official product page. AEC-Q100 qualification was noted for a related E/SP family part, not verified for this exact part number.
