DSPIC33FJ06GS001-I/SO - 16-bit DSC 40 MIPS 6KB Flash | Microchip
MPN: DSPIC33FJ06GS001-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.72 | $372.00 |
| 500 | $3.35 | $1,675.00 |
| 1,000 | $2.98 | $2,980.00 |
DSPIC33FJ06GS001-I/SO Overview
A digital signal controller combines the computational power of a digital signal processor (DSP) with the peripheral integration and control logic of a microcontroller (MCU), positioning it above basic microcontrollers and below full DSPs in the embedded hierarchy. The dsPIC33F family is Microchip's 16-bit DSC line optimized for real-time digital power conversion, where deterministic loop closure at tens to hundreds of kilohertz is essential.
Key features of the GS001 variant include high-resolution PWM peripherals purpose-built for switch-mode power supplies (SMPS), an analog-to-digital converter, analog comparators, and industrial temperature rating (-40C to +85C, denoted by the -I suffix). The device targets multi-loop digital power topologies directly, with hardware that offloads timing-critical PWM and ADC triggering from software.
The SMPS-oriented peripheral set supports common and multi-loop digital power conversion: the high-speed PWM module provides complementary outputs, dead-time insertion, and fault protection, while on-chip comparators enable fast overcurrent shutdown without CPU intervention.
Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), and LED drivers, all cited on the Microchip product page for this family.
Design consideration: with only 6KB of instruction Flash and 256 bytes of RAM, firmware must be lean; developers should budget code space carefully and use the GS202A or larger family members if control-law complexity grows.
This page synthesizes distributor data, family drop-in alternatives, and design guidance not found on the standard manufacturer product page.
Drop-in alternatives for DSPIC33FJ06GS001-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 DSPIC33FJ06GS001-I/SO (same form factor and footprint) — differing in Mounting Type, Operating Temperature, Package, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
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 →DSPIC33FJ06GS102A-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS001-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 6 KB (2K x 24) |
| RAM | 256 bytes |
| Package | 18-SOIC (0.3 inch, 7.5mm width) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Peripheral Set | SMPS: High-Speed PWM, ADC, Comparators |
| Target Applications | Digital power conversion (SMPS, PFC, AC/DC, DC/DC) |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Packaging | Tube (0.3in SOIC-18) |
DSPIC33FJ06GS001-I/SO 18-soic (0.3 inch, 7.5mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS001-I/SO (18-soic (0.3 inch, 7.5mm 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 DSPIC33FJ06GS001-I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS001-I/SO is suitable for 6 applications: AC-DC Converter Control, DC-DC Converter, Power Factor Correction (PFC), Uninterruptible Power Supply (UPS), LED Driver Control, Digital SMPS Prototyping.
AC-DC Converter Control
The DSPIC33FJ06GS001-I/SO fits AC-to-DC converter control because its high-speed PWM module, on-chip ADC, and analog comparators provide the deterministic timing and fast protection paths that offline power stages demand. The 40 MIPS 16-bit DSP core closes voltage and current loops in software at switching frequencies typical of flyback and forward topologies, while comparator-based overcurrent shutdown reacts without CPU latency. Used as the primary-side controller, the DSC sequences soft-start, regulates the output, and manages fault handling; the trade-off versus a fixed-function controller is that firmware effort replaces hardwired control law, but design flexibility and digital tuning improve significantly. Program the PWM dead time and fault behavior in firmware and verify against the family datasheet DS-75018B timing parameters.
Recommended
DC-DC Converter
In DC-to-DC converters such as buck, boost, and synchronous buck stages, the DSPIC33FJ06GS001-I/SO provides digital loop control with the SMPS peripherals Microchip integrated specifically for this task: high-speed PWM with complementary outputs and dead-time insertion, an ADC for output-voltage and inductor-current sampling, and comparators for cycle-by-cycle current limiting. The 40 MIPS core executes PID or 2P2Z compensators deterministically at the switching frequency. With 6KB Flash and 256 bytes of RAM, firmware must be compact, which is usually sufficient for a single regulated rail. The main design consideration is ADC-to-PWM trigger synchronization to sample at mid-ramp and minimize switching-noise pickup; the peripheral trigger architecture in the GS family supports this directly.
Recommended
Power Factor Correction (PFC)
The DSPIC33FJ06GS001-I/SO is suited to boost-PFC control because Microchip explicitly lists Power Factor Correction among this family's target applications. The fast ADC samples the input rectified sine and bus voltage, the DSP core computes the current-loop multiplier duty, and the high-speed PWM drives the boost switch with sub-microsecond update granularity at 40 MIPS. On-chip comparators give an additional hardware overcurrent path for inrush and short-circuit events, which is essential in offline PFC front ends. A single-loop average-current-mode PFC compensator plus bus-voltage loop fits comfortably within the 6KB program memory budget. Designers should budget the input-feedforward computation carefully to maintain unity power factor across the universal AC input range.
Recommended
Uninterruptible Power Supply (UPS)
For compact line-interactive and small online UPS designs, the DSPIC33FJ06GS001-I/SO controls battery charger, inverter, and transfer-logic functions using its SMPS peripheral set. The high-speed PWM generates the inverter modulation at carrier frequencies typical of low-power inverters, while the ADC monitors battery voltage, bus voltage, and output current. The 40 MIPS core has sufficient headroom for the control law plus transfer-state machine in 6KB Flash for a minimal UPS. The industrial -40C to +85C temperature rating covers equipment-room environments. The key trade-off is RAM: at 256 bytes, avoid heavyweight RTOSes and use a bare-metal superloop or tightly bounded scheduler; if feature creep threatens, migrate to the EV-series parts sharing the same toolchain.
Recommended
LED Driver Control
Digitally controlled LED drivers benefit from the DSPIC33FJ06GS001-I/SO's ability to regulate LED current with precise PWM dimming resolution. The high-speed PWM module's fine duty resolution supports smooth dimming without visible flicker, the ADC reads current-sense shunt voltage for closed-loop current regulation, and comparators provide fast overcurrent protection for shorted-string faults. The small 18-SOIC footprint and surface-mount package suit compact driver boards integrated into luminaires. With 6KB Flash, firmware for constant-current control plus DMX or analog dimming interfaces is achievable in a lean implementation. The industrial temperature range of -40C to +85C matches outdoor lighting enclosures, and the 40 MIPS core leaves margin for communication protocol handling alongside the control loop.
Recommended
Digital SMPS Prototyping
For power-electronics engineers prototyping digital switch-mode power supplies, the DSPIC33FJ06GS001-I/SO offers a low-cost entry point into the dsPIC33 GS family with the same peripherals as its larger siblings, so control firmware developed on this 6KB part ports upward with minimal rework. The 18-PDIP variant (DSPIC33FJ06GS001-E/P) available on the same die supports breadboard-friendly development before committing to the SOIC-18 production footprint. ICSP programming via any PGECx/PGEDx pair works with standard Microchip and NSDSP tools, enabling rapid iteration. Keep the control-law code modular and size the 256-byte RAM budget early - stack overflow is the most common pitfall on this memory class when adding debug instrumentation.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS001-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS001-E/SO | DSPIC33FJ06GS101A-I/SO | DSPIC33FJ06GS102A-I/SO | DSPIC33FJ06GS001-E/P |
|---|---|---|---|---|---|
| Package | 18-SOIC (0.3in) | 18-SOIC (0.3in) - same | 18-SOIC (0.3in) - same | 18-SOIC (0.3in) - same | 18-PDIP - different package |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU 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 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT | SMD/SMT | Through Hole |
Key Differentiators
- Extended-temperature SOIC-18 option exists (vs DSPIC33FJ06GS001-E/SO)
- PWM4 remappable pair available (vs DSPIC33FJ06GS101A-I/SO)
- Surface-mount SOIC footprint vs PDIP prototype part (vs DSPIC33FJ06GS001-E/P)
Design Notes
Estimated: supply decoupling for dsPIC33F-class parts requires a 0.1uF ceramic capacitor at each VDD/VSS pair placed within 5mm of the pins, plus a 4.7uF to 10uF bulk capacitor near the IC. Because the PWM module drives high di/dt gate-charge currents in SMPS applications, ground bounce can corrupt ADC readings - use a solid ground plane and separate the analog ground return of the ADC reference from the power-switch gate-driver return path.
The datasheet notes that INT0 is not remappable, while RPn pins can be assigned to any remappable peripheral via the PPS (Peripheral Pin Select) mechanism. When routing the PCB, lock INT0 to its fixed pin first, then assign remappable PWM4 and communication peripherals. For ICSP, remember that any PGECx/PGEDx pair works, but the chosen pair must be used as a matched set (PGEC2 with PGED2, for example); route these pins to a programming header even in production boards.
The most frequent failure mode on this device class is exhausting the 256-byte RAM: a software PID plus commutation tables plus a small stack can overflow silently. Estimated: allocate a worst-case stack of at least 64 bytes and verify with the MPLAB memory-usage report before enabling interrupts-heavy firmware. Also, with 6KB Flash, avoid linking the full C math library - use fractional (Q15) arithmetic built into the DSP engine instead, which is faster and smaller.
Compliance Information
Compliance data was not explicitly present in the retrieved web data. Modern Microchip -I/SO parts are typically RoHS-compliant and lead-free, but verify on the official Microchip product page compliance certificate before use.
