DSPIC33FJ06GS202-I/MM - 16-bit DSC 6KB Flash Digital Power | Microchip
MPN: DSPIC33FJ06GS202-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33FJ06GS202-I/MM Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral set and deterministic behavior of a microcontroller. Within the power-management hierarchy, a DSC sits above a basic MCU because it closes high-bandwidth control loops (current-mode, voltage-mode, PFC) in firmware, replacing analog compensators with software-executed PID and feed-forward algorithms running at hundreds of kilohertz.
Key features of the GS family include a high-speed PWM module with complementary outputs, dead-time insertion and fault protection; an on-chip high-speed 10-bit ADC able to sample multiple channels simultaneously; and hardware DSP engine with a barrel shifter and multiple internal bus architectures, as described in distributor listings for this family.
The architecture pairs the 16-bit dsPIC33F core with flash program memory and in-circuit debug/programming via ICSP with boundary-scan (JTAG/BSD) support, evidenced by the published BSDL file for the device. The CMOS process with multiple internal buses sustains deterministic loop closure, which is the core requirement in switch-mode power conversion where loop delay directly limits achievable bandwidth and phase margin.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies, and multi-loop digital switch-mode power supplies (SMPS). The GS202 device provides full digital control of the power conversion and system management functions in single-chip reference designs published by Microchip.
A key design consideration is supply integrity: the 3 V to 3.6 V core supply requires proper VCAP decoupling and careful ground layout so PWM switching edges do not corrupt ADC sampling reference points; plan ADC sampling synchronized to the PWM period.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical digital-power design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS202-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 DSPIC33FJ06GS202-I/MM (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Peripherals, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS202-50I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202-E/MM
✅ Drop-In✓ In Stock
$2.58 / Unit
View Datasheet →DSPIC33FJ06GS202-50E/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202AT-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ16GS202-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS202-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS202-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202AT-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202-I/MM Specifications (manufacturer-published)
| Core Architecture | 16-bit dsPIC33F MCU/DSP |
| Flash Program Memory | 6 KB |
| RAM | 1 KB |
| Maximum Clock Speed | 60 MHz |
| Supply Voltage Range | 3 V to 3.6 V |
| Package | QFN-28 (MM), HVQCCN, square, no-lead |
| Number of Terminals | 28 |
| Mounting Type | Surface Mount |
| Terminal Form | No Lead |
| Temperature Grade | I (Industrial) |
| Memory Type | Flash |
| Process Technology | CMOS |
| DSP Features | Barrel shifter, multiple internal bus architectures |
| Boundary Scan | Yes (IEEE 1149.1 BSDL available) |
| Target Application | Digital SMPS, PFC, AC-DC, DC-DC, UPS |
| Lifecycle Stage | Active |
DSPIC33FJ06GS202-I/MM Interfaces & Connectors
DSPIC33FJ06GS202-I/MM exposes the following interfaces and connectors as published by the manufacturer: Power Input. Expansion header pinout, connector pin numbering, and electrical limits are defined in the manufacturer documentation.
| Power Input | 3 V to 3.6 V |
Refer to the manufacturer documentation for the full expansion header pinout and connector pin numbering.
Power & Thermal Characteristics
| Power Input | 3 V to 3.6 V |
Power input and thermal parameters for DSPIC33FJ06GS202-I/MM as published by the manufacturer.
Typical Applications
DSPIC33FJ06GS202-I/MM is suitable for 6 applications: AC-DC Converter Digital Control, Power Factor Correction (PFC), DC-DC Converter (Buck/Boost/Forward), Uninterruptible Power Supplies (UPS), Multi-Loop Digital SMPS, Digital Lighting and Adapter Power Supplies.
AC-DC Converter Digital Control
The DSPIC33FJ06GS202-I/MM provides full digital control of AC-DC conversion stages, replacing analog control ICs with firmware-executed voltage- and current-loop compensation. Its 60 MHz 16-bit core with DSP barrel shifter closes current-mode loops at switching frequencies typical of flyback and forward converters, while the high-speed PWM module generates complementary outputs with hardware dead-time insertion and cycle-by-cycle current limiting via fault inputs. Placed between the rectified bus and the power stage gate drivers, the DSC samples the feedback divider with its ADC synchronized to the PWM period, eliminating control-loop delay jitter. The 3 V to 3.6 V supply range suits low-voltage controller rails, and the 28-lead QFN keeps the controller compact on dense secondary-side layouts.
Recommended
Power Factor Correction (PFC)
For PFC stages, the DSPIC33FJ06GS202-I/MM executes average-current-mode control in firmware, achieving high power factor with programmable harmonic compensation that fixed analog controllers cannot match. The DSC's ADC samples inductor current and bus voltage mid-PWM-period, and the DSP engine computes the current command multiplier each switching cycle at up to 60 MHz instruction throughput. The high-speed PWM with leading/trailing edge modes supports boost and boundary-conduction PFC topologies, while hardware fault inputs shut gates down within nanoseconds during overcurrent events. Microchip's published single-chip digital-power reference designs use GS-family DSCs exactly this way, providing the entire PFC control and system management function on one 28-lead QFN device.
Recommended
DC-DC Converter (Buck/Boost/Forward)
The DSPIC33FJ06GS202-I/MM is well suited to isolated and non-isolated DC-DC converters because its flash-based control firmware allows tuning of PID gains, non-linear transient response, and adaptive dead-time without hardware changes. The 6 KB flash accommodates a single-loop buck or boost controller including soft-start, hiccup fault handling, and telemetry. The ADC can trigger from the PWM module so current sampling lands on the low-noise window of each switching period, improving signal-to-noise of current-mode control. The 28-lead QFN (MM) footprint with no-lead terminals minimizes controller area on compact power bricks, and the CMOS 16-bit core with multiple internal buses keeps loop latency deterministic - the parameter that most directly governs achievable control bandwidth.
Recommended
Uninterruptible Power Supplies (UPS)
In UPS systems the DSPIC33FJ06GS202-I/MM manages inverter, charger, and transfer-logic functions in firmware, with the DSP engine executing the sinusoidal reference and current-loop math at 60 MHz. The high-speed PWM module drives the inverter bridge with complementary outputs and programmable dead-time, while the ADC continuously supervises battery voltage, bus voltage, and output current for fast transfer decisions. The 3 V to 3.6 V core supply eases interfacing with low-voltage monitoring circuits, and the 28-lead QFN package consolidates controller circuitry on the UPS control PCB. Its flash memory supports field-updatable firmware via ICSP, allowing inverter tuning or grid-code updates after deployment without changing hardware.
Recommended
Multi-Loop Digital SMPS
Microchip positions the GS family explicitly for common, multi-loop digital switch-mode power supplies, and the DSPIC33FJ06GS202-I/MM is the entry memory point of that family. Multi-loop designs (inner current loop plus outer voltage and power-management loops) benefit from the deterministic 16-bit DSP core, synchronized ADC triggering, and hardware PWM fault protection that together close the fastest loop in firmware with predictable latency. The 6 KB flash suffices for a two-loop controller when compensation code is compact; designs needing more state machines or communications should step to the pin-compatible GS16/GS32/GS64GS202 flash upgrades without PCB changes. Single-chip control of conversion plus housekeeping reduces BOM count versus analog-controller plus MCU architectures.
Recommended
Digital Lighting and Adapter Power Supplies
For LED drivers and high-density AC adapters, the DSPIC33FJ06GS202-I/MM provides precise dimming control, startup sequencing, and protection features in firmware. The PWM module's resolution supports high switching frequencies used in compact adapters, and DSP-based control enables flicker-free dimming and adaptive current regulation that analog LED controllers approximate poorly. The industrial -I temperature grade covers enclosed adapter housings, and the 28-lead QFN no-lead package with its small square footprint fits the space-constrained PCBs typical of lighting ballasts. Firmware-based control also allows one hardware platform to serve multiple power ratings or regional requirements by changing only the flash image, reducing SKU proliferation in production.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS202-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS202-50I/MM | DSPIC33FJ06GS202-E/MM | DSPIC33FJ06GS202-50E/MM | DSPIC33FJ16GS202-I/MM |
|---|---|---|---|---|---|
| Package | QFN-28 (MM) | QFN-28 (MM) - same | QFN-28 (MM) - same | QFN-28 (MM) - same | QFN-28 (MM) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 6 KB | 6 KB | 6 KB | 6 KB | 16 KB |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Temperature Grade | Industrial (-I) | Industrial (-I) | Extended (-E) | Extended (-E) | Industrial (-I) |
| Target Application | Digital SMPS, PFC, AC-DC, DC-DC, UPS | Digital SMPS, PFC (lower loop bandwidth) | Digital SMPS, harsh environments | Digital SMPS, harsh environments | Multi-loop SMPS with larger firmware |
Key Differentiators
- Purpose-built digital-power peripheral set (vs Generic 16-bit MCUs at similar price)
- Pin-compatible flash scalability (vs DSPIC33FJ16GS202-I/MM / GS32 / GS64GS202)
- Honest trade-off: limited code space (vs DSPIC33FJ16GS202-I/MM)
Design Notes
The QFN-28 (MM) is a no-lead package whose thermal and ground path relies on the exposed pad and short traces. Connect the exposed pad to a solid ground plane with an array of thermal vias, and place the core decoupling (VCAP network) within 2-3 mm of the pins. Keep the PWM gate-driver traces away from the ADC feedback divider and the oscillator circuit to prevent switching-edge coupling into sampling nodes.
The device operates from a 3 V to 3.6 V core supply. Derive this rail from a small, quiet LDO rather than a shared digital rail, since control-loop jitter translates directly into output ripple in digital power designs. Estimated: at typical controller currents of tens of milliamps, dissipation is only a few milliwatts, so the QFN-28 needs no heatsink; thermal budget in the power stage, not the controller, dominates the layout.
Verify the exact speed suffix before layout sign-off: the 50 MHz variants (-50I/MM, -50E/MM) are otherwise-identical parts that limit clock configuration to 50 MHz. Also confirm the device temperature suffix matches the operating environment; -E parts are required where ambient near the controller exceeds the industrial range. Finally, budget code carefully - at 6 KB flash, bootloader plus control firmware leaves little headroom; plan flash upgrades to the pin-compatible GS16/GS32/GS64GS202 parts if the feature set grows.
Compliance Information
Compliance status not stated in the provided verified data; consult the Microchip product page environmental datasheet for RoHS/REACH status of DSPIC33FJ06GS202-I/MM.
