DSPIC33FJ06GS001T-I/SO - 16-bit 40 MIPS SMPS DSC | Microchip
MPN: DSPIC33FJ06GS001T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.2 | $42.00 |
| 100 | $3.75 | $375.00 |
| 500 | $3.4 | $1,700.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33FJ06GS001T-I/SO Overview
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33FJ GS family sits between general-purpose MCUs and dedicated digital power ICs: it runs the control loop of switching power supplies in firmware while providing purpose-built PWM, ADC, and analog-comparator peripherals for closed-loop regulation.
Key features include a high-speed 16-bit dsPIC core at 40 MIPS, dedicated high-resolution PWM outputs tailored for switch-mode power-supply topologies, an on-chip ADC with fast conversion rates for current- and voltage-feedback sampling, and analog comparators that support cycle-by-cycle current limiting without CPU intervention. The 6 KB self-programming FLASH supports field firmware updates, while the 256-byte RAM holds control-loop state variables.
Architecturally, the device pairs a DSP engine (17-bit x 17-bit multiplier, 40-bit accumulator) with C-friendly MCU addressing, allowing deterministic single-cycle MAC operations for Proportional-Integral compensation loops. The GS family data sheet (Microchip document DS75018, family dsPIC33FJ06GS001/101A/102A/202A) details the SMPS-focused peripheral set.
Typical applications include AC-DC power supplies with power factor correction, DC-DC converters, LLC and flyback control, LED drivers, and digital battery chargers. Microchip offers an interleaved PFC reference design producing up to 350 W from universal input, demonstrating the family in production-grade digital power.
When designing, verify that the 6 KB program memory and 256-byte RAM budget accommodate your compensator and state machine, and follow the datasheet decoupling and VDD/AVSS pin connection guidelines for analog noise performance.
This page adds value beyond the datasheet by consolidating distributor availability, pricing tiers, drop-in alternatives, and practical design notes in one place.
Drop-in alternatives for DSPIC33FJ06GS001T-I/SO — 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 DSPIC33FJ06GS001T-I/SO (same form factor and footprint) — differing in Operating Temperature, Package, Mounting Type, Packaging, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS001-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33FJ06GS001-E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS101A-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.48 / Unit
View Datasheet →DSPIC33FJ06GS001-E/P
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33FJ06GS001T-I/SO Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Size | 6 KB (2K x 24) FLASH |
| RAM Size | 256 bytes |
| Package | 18-SOIC (0.295in, 7.50mm Width) |
| Operating Temperature | -40C to +85C (I grade) |
| Supply Voltage VDD | 3.0 V to 3.6 V |
| Product Family | dsPIC33FJ GS (SMPS Digital Signal Controllers) |
| Peripherals | High-Speed PWM, ADC, Comparators (SMPS-optimized) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Data Bus Width | 16 bit |
| DSP Engine | Single-cycle MAC, 40-bit accumulator |
| Program Memory Type | FLASH (self-programming) |
| RoHS Status | Compliant |
DSPIC33FJ06GS001T-I/SO 18-soic (0.295in, 7.50mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS001T-I/SO (18-soic (0.295in, 7.50mm 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 DSPIC33FJ06GS001T-I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS001T-I/SO is suitable for 6 applications: Interleaved Power Factor Correction (PFC), AC-DC Flyback and LLC Converter Control, Digital LED Driver Power Supplies, DC-DC Point-of-Load and Battery Chargers, Industrial Digital Power Module Retrofit, Embedded Switch-Mode Inverters and Motor Soft-Start.
Interleaved Power Factor Correction (PFC)
The dsPIC33FJ06GS001 is the control device in Microchip's interleaved PFC reference design, which operates from universal AC input and delivers a single high-voltage DC output up to 350 W. Its 40 MIPS core executes average-current-mode compensation loops deterministically, while the on-chip high-speed PWM generates interleaved switching phases and the fast ADC samples inductor current each cycle. Analog comparators provide hardware cycle-by-cycle overcurrent limiting even if firmware stalls. Place the ADC trigger synchronous to the PWM period to minimize switching-noise coupling, and use the 6 KB FLASH to store both the control firmware and a bootloading routine for field updates. Estimated RAM budget: 256 bytes covers PI state variables plus a compact fault log for most single-loop PFC designs.
Recommended
AC-DC Flyback and LLC Converter Control
For isolated AC-DC converters, the GS001 supplies the primary-side control: high-speed PWM with programmable dead time drives the MOSFET gate stage, while the ADC digitizes the reflected output-voltage and primary-current feedback signals. The 40 MIPS throughput allows loop update rates in the tens of kilohertz, well above the audible band, keeping control delay small relative to a 65-100 kHz switching period. The 256-byte RAM accommodates soft-start ramps, burst-mode state machines, and protection latching. Use the comparators for immediate overcurrent shutdown independent of software latency. Because program memory is 6 KB, implement compact fixed-point PI control rather than floating-point math to fit compensators, housekeeping, and a minimal UART-based telemetry interface within the flash budget.
Recommended
Digital LED Driver Power Supplies
Constant-current LED drivers benefit from the GS001's SMPS peripheral set: the high-speed PWM sets buck or flyback switching behavior while ADC sampling of current-sense resistors closes the current loop at each cycle. Dimming is implemented by firmware scaling of the current reference or by PWM dimming on a dedicated output, achieving flicker-free response at update rates the 40 MIPS core comfortably sustains. Analog comparators protect against shorted-LED-string overcurrent in hardware. The 18-SOIC package suits compact driver boards inside luminaires rated to 85C ambient, within the industrial temperature grade. Reserve flash space for thermistor-based derating curves; a simple lookup table plus PI loop typically fits in under 4 KB, leaving margin for a DMX or DALI-style interface stub.
Recommended
DC-DC Point-of-Load and Battery Chargers
In distributed power architectures and battery chargers, the GS001 implements synchronous buck or multi-phase control with charging-state management (CC/CV profiles, termination detection) executed in firmware. The 40 MIPS core updates the voltage and current loops every switching cycle, and the integrated ADC channels sense battery voltage, current, and temperature (via NTC) without external controllers. Comparators provide first-line hardware protection against overcurrent and overvoltage events. The 256-byte RAM is sufficient for a CC/CV state machine, Coulomb-counting accumulator, and fault flags. Its 3.0-3.6 V supply accepts a simple LDO bias rail from typical charger auxiliary windings, and the 18-SOIC footprint keeps the controller area small on dense charger PCBs.
Recommended
Industrial Digital Power Module Retrofit
Legacy analog-controlled power modules can be retrofitted with digital control using the GS001, gaining programmable compensation, telemetry, and adaptive protection without redesigning the power stage. The 40 MIPS DSC replaces error-amplifier and PWM-comparator ICs while the 18-SOIC fits the space freed by removed analog circuitry. Firmware-implemented PI compensators allow tuning via UART or I2C during commissioning, and the self-programming FLASH enables control-law updates in the field without hardware changes. The industrial -40C to +85C rating covers factory-floor environments. Budget carefully: with 6 KB flash and 256 bytes RAM, keep the retrofit scope to one or two control loops; larger multi-loop systems should step up to higher-memory GS family members or the dsPIC33EV series.
Recommended
Embedded Switch-Mode Inverters and Motor Soft-Start
Small inverter stages and soft-start controllers use the GS001's high-speed PWM with complementary outputs and programmable dead time to drive half-bridge gate stages, while the ADC monitors DC-bus voltage and output current. The 40 MIPS core sustains a sinusoidal modulation interrupt at carrier frequencies in the 16-20 kHz range with cycle-by-cycle current limiting handled by comparators. The 18-SOIC package integrates cleanly onto existing control cards, and the industrial temperature grade suits motor-drive environments. Keep the modulation and protection firmware compact: a precomputed sine lookup table plus PI current loop fits comfortably in the 6 KB flash, but advanced sensorless algorithms require higher-memory family members such as the dsPIC33EP MC series instead.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS001T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS001-I/SO | DSPIC33FJ06GS001-E/SO | DSPIC33FJ06GS101A-I/SO | DSPIC33FJ06GS001-E/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC (7.50 mm) | 18-SOIC (7.50 mm) - same | 18-SOIC (7.50 mm) - same | 18-SOIC (7.50 mm) - same | 18-SPDIP - different footprint |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) |
| Target Application Focus | SMPS / digital power | SMPS / digital power | SMPS / digital power (extended temp) | SMPS / digital power | SMPS prototyping (through-hole) |
Key Differentiators
- SMPS-optimized peripheral set in minimal 18-pin footprint (vs DSPIC33FJ06GS101A-I/SO)
- Extended-temperature sibling for harsh power environments (vs DSPIC33FJ06GS001-E/SO)
- Same die available in through-hole for prototyping (vs DSPIC33FJ06GS001-E/P)
Design Notes
The dsPIC33FJ GS family requires a 3.0-3.6 V supply with all VDD pins decoupled by 0.1 uF ceramic capacitors placed within 2 mm of each pin, plus one bulk 4.7-10 uF capacitor near the device. Connect VDDCORE to its required capacitor per the datasheet connection diagram - omitting this capacitor prevents startup. In digital power layouts, keep the controller ground reference tied to the quiet analog ground, not directly to the power-stage switching node ground.
Route the ADC feedback traces (current-sense and output-voltage dividers) away from PWM gate-drive traces; crosstalk into the ADC input corrupts cycle-by-cycle current sampling. Use a Kelvin connection at the current-sense resistor for the comparator and ADC inputs. Keep the crystal/oscillator traces short and guarded if an external clock is used; in many SMPS designs the internal FRC oscillator suffices, eliminating the crystal entirely.
Do not assume the DSPIC33FJ06GS001T-I/SS (20-SSOP) is footprint-compatible with this 18-SOIC part - the packages differ and are not interchangeable. Also budget firmware carefully: 6 KB flash and 256 bytes RAM fill quickly with floating-point math; use the dsPIC hardware MAC with fractional (Q15) fixed-point arithmetic for compensators. Verify the errata sheet Microchip publishes for this family before finalizing silicon-dependent timing assumptions.
Compliance Information
RoHS compliance per Microchip standard product listings; formal REACH and conflict-minerals declarations available from the Microchip product page.
