DSPIC33FJ06GS202A-I/MM - 16-bit 40 MIPS DSC 6KB Flash | Microchip
MPN: DSPIC33FJ06GS202A-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.48 | $14.80 |
| 100 | $1.3 | $130.00 |
| 500 | $1.15 | $575.00 |
| 1,000 | $0.98 | $980.00 |
DSPIC33FJ06GS202A-I/MM Overview
A digital signal controller combines the compute core of a microcontroller with the arithmetic acceleration of a DSP. Within the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it runs real-time closed-loop control firmware (compensators, state machines, sequencing logic) while executing DSP-class multiply-accumulate operations for digital power conversion. The dsPIC33FJ family from Microchip Technology is purpose-built for this role in switch-mode power supplies (SMPS).
Key features include the dsPIC33F core with DSP engine and barrel shifter, high-speed PWM peripherals with advanced modulation modes, high-speed analog-to-digital conversion, and on-chip comparators - the exact peripheral set required for multi-loop digital power supplies. The device operates from a 3.3V supply across the industrial -40C to +85C temperature range (the -I suffix), with low-power modes and boundary-scan support per the Microchip USA listing.
The 'GS' series architecture is optimized for digital power: AC-to-DC converters, DC-to-DC converters, power factor correction (PFC), and uninterruptible power supplies, per the Microchip product page. The 28-QFN footprint keeps the controller physically adjacent to gate drivers and sensing networks in compact converter layouts.
Typical applications include digital SMPS controllers, PFC stages, DC-DC converter supervision, and intelligent lighting and battery-management front ends.
Design consideration: at 40 MIPS the core must be clocked from an external crystal with the PLL configured correctly; budget PWM dead-time insertion in firmware for half-bridge topologies.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS202A-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 DSPIC33FJ06GS202A-I/MM (same form factor and footprint) — differing in Package, RAM, Core Architecture, Flash Program Memory.
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DSPIC33FJ06GS202A-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202-I/MM
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Contact for price
View Datasheet →DSPIC33FJ06GS202A-E/SS
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$2.72 / Unit
View Datasheet →DSPIC33FJ06GS202A-I/SS
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DSPIC33FJ06GS202A-I/MM Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit DSC (RISC) |
| Maximum Clock Frequency | 40 MHz |
| Execution Speed | 40 MIPS |
| Flash Program Memory | 6 KB (2K x 24) |
| RAM | 1 KB (1024 Bytes) |
| Supply Voltage | 3.3 V |
| Package | 28-QFN-S (6x6 mm), exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Series | dsPIC33FJ06GS202A (GS digital-power series) |
| Peripherals | High-Speed PWM, ADC, Comparators (SMPS optimized) |
| Special Features | Barrel shifter, boundary scan, low-power modes |
| Program Memory Width | 24-bit instruction word |
| Technology | CMOS |
| Packaging | Tube |
DSPIC33FJ06GS202A-I/MM 28-qfn-s (6x6 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS202A-I/MM (28-qfn-s (6x6 mm), 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 DSPIC33FJ06GS202A-I/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS202A-I/MM is suitable for 6 applications: Digital AC-DC Converter Control, Power Factor Correction (PFC), DC-DC Converter Digital Control, Uninterruptible Power Supply (UPS), Embedded Power-Monitoring and Instrumentation, Motor-Drive Auxiliary and Lighting Power Control.
Digital AC-DC Converter Control
The DSPIC33FJ06GS202A-I/MM controls AC-to-DC power supplies by executing voltage- and current-loop compensators in firmware at up to 40 MIPS. Its high-speed PWM module generates phase-shifted or complementary drive signals with hardware dead-time, while the integrated ADC samples output voltage and inductor current for closed-loop regulation. On-chip comparators provide cycle-by-cycle overcurrent protection independent of CPU latency. The GS-series architecture, per Microchip, is explicitly designed for multi-loop digital SMPS, making this DSC a fit where a general MCU would struggle with loop bandwidth. Its 3.3V operation and 6x6 mm QFN keep the controller close to gate-driver and sensing circuitry in compact power supplies.
Recommended
Power Factor Correction (PFC)
In active PFC stages, the DSPIC33FJ06GS202A-I/MM runs average-current-mode control at switching frequencies where latency budget is tight. Its DSP engine performs the multiply-accumulate-heavy PI compensator math each switching cycle, while the fast ADC synchronizes sampling to the PWM period to reduce switching-noise errors in the current measurement. The 40 MIPS core leaves headroom for input-voltage feedforward, RMS line calculations, and soft-start state machines simultaneously. Microchip lists PFC among the target applications of the GS family. The 1 KB RAM is sufficient for control-state storage without external memory, and the 28-QFN exposed pad aids thermal dissipation near hot converter sections.
Recommended
DC-DC Converter Digital Control
For brick and point-of-load DC-DC converters, the DSPIC33FJ06GS202A-I/MM implements voltage-mode or peak-current-mode control digitally, replacing analog compensation networks with firmware coefficients that can be retuned in production. The high-speed PWM supports programmable resolution and phase management for multiphase outputs, and the on-chip comparators enable hardware fast-trip overcurrent protection. Operating from a 3.3V rail, it interfaces directly with digital isolators and gate drivers. The 40 MIPS execution rate per the DigiKey listing supports loop updates well above 100 kHz switching frequencies. Its industrial -40C to +85C rating suits telecom rectifiers and server power shelves operating in ventilated but uncontrolled environments.
Recommended
Uninterruptible Power Supply (UPS)
In line-interactive and double-conversion UPS systems, the DSPIC33FJ06GS202A-I/MM coordinates inverter PWM generation, battery-charger control, and transfer-switch sequencing. Per the Microchip GS-series product page, UPS is a listed target application. The 40 MIPS core runs multiple control loops - inverter voltage regulation, battery current limiting, and phase synchronization to mains - within one device, while the ADC and comparators handle AC-line zero-cross detection and protection trip points. The 24-bit instruction word simplifies fixed-point control math. Its 28-QFN 6x6 mm footprint suits the dense control PCBs typical of tower and rack UPS units operating from -40C to +85C ambient.
Recommended
Embedded Power-Monitoring and Instrumentation
The DSPIC33FJ06GS202A-I/MM serves as a compute node in power-quality meters and embedded instrumentation, using its DSP engine to compute RMS values, THD proxies, and power calculations from sampled waveforms. The barrel shifter and hardware multiply per the Microchip USA listing accelerate these fixed-point operations, while the 16-bit core keeps power consumption and cost below 32-bit alternatives. The 40 MHz input clock supports precise timebase generation for sampling. Boundary-scan support aids production test of the assembled board. Designers value the deterministic 40 MIPS throughput for periodic sampling routines and the exposed-pad QFN for reliable grounding in electrically noisy measurement front ends.
Recommended
Motor-Drive Auxiliary and Lighting Power Control
Beyond main motor-drive loops, the DSPIC33FJ06GS202A-I/MM manages auxiliary power rails, fan supplies, and LED driver stages within drives and industrial luminaires. The high-speed PWM with programmable dead time and the comparators enable resonant or buck LED-driver control with hardware protection, while the 6 KB flash holds configuration, dimming curves, and communication parsing. At 3.3V it connects directly to optocouplers and isolated transceivers. Microchip's GS-series documentation highlights digital power-conversion flexibility for such secondary conversion stages. The industrial temperature grade covers sealed outdoor luminaires, and the small QFN footprint fits driver PCBs squeezed into luminaire housings.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS202A-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS202A-E/MM | DSPIC33FJ06GS202-I/MM | DSPIC33FJ06GS202A-E/SS | DSPIC33FJ06GS202A-I/SS |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-SSOP (SS) - package variant | 28-SSOP (SS) - package variant |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Execution 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 | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Silicon Revision | A-revision | A-revision | Original (non-A) - carries family errata | A-revision | A-revision |
| SMPS Peripherals | High-Speed PWM, ADC, Comparators | Same peripheral set | Same peripheral set | Same peripheral set | Same peripheral set |
Key Differentiators
- Digital-power-optimized peripheral set (vs DSPIC33FJ06GS202-I/MM (original revision))
- Extended-temperature sibling available in same package (vs DSPIC33FJ06GS202A-E/MM)
- Compact 6x6 mm QFN with exposed pad (vs DSPIC33FJ06GS202A-I/SS (28-SSOP))
Design Notes
Estimated: the device core runs from a 3.3V rail; typical dsPIC33FJ active current is in the tens-of-milliamp range at 40 MIPS (exact figure per the family datasheet electrical specifications - verify before finalizing budget). Provide a local 100 nF ceramic decoupling capacitor on VDD plus a 10 uF bulk capacitor per power island, and connect the QFN exposed pad to a solid ground plane for both thermal relief and a low-inductance return path for PWM switching currents.
In digital SMPS layouts, keep the controller's ADC input traces short and away from PWM and gate-driver switching loops to minimize sampling errors; synchronize ADC sampling to the PWM period using the hardware trigger rather than software polling. Route the crystal within a few millimeters of the OSC pins with guard ground. Because the 28-QFN places power pins on multiple sides, use via stitching from the exposed pad to the ground plane immediately beneath the part.
The '-I' grade is rated only to +85C ambient; do not substitute the I-grade into designs validated with the -E (extended, +125C) variant, especially in enclosed converters where internal ambient exceeds external ambient. Also note the A-revision exists to fix family errata: if migrating from a non-A dsPIC33FJ06GS202 design, review the Microchip errata sheet and re-verify the affected peripheral behavior before drop-in swap.
Compliance Information
Compliance status not explicitly stated in the verified distributor snippets; confirm on the official Microchip product page or distributor compliance tabs.
