DSPIC33FJ06GS001T-I/SS - 16-bit DSC 40 MIPs 6KB Flash | Microchip
MPN: DSPIC33FJ06GS001T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.74 | $1,870.00 |
| 1,000 | $3.34 | $3,340.00 |
DSPIC33FJ06GS001T-I/SS Overview
A digital signal controller combines the deterministic control flow of a microcontroller (MCU) with the mathematical throughput of a digital signal processor (DSP). Within the power-management hierarchy, the dsPIC33F GS family sits at the intersection of general-purpose MCUs and dedicated digital power ICs, providing a single-chip solution for closed-loop switch-mode power supply (SMPS) control.
Key features include high-speed PWM peripherals purpose-built for digital power conversion, a high-speed 10-bit ADC, on-chip comparators, and connectivity via I2C, SPI, UART/USART, IrDA, and LINbus. The 40 MIPS core executes DSP instructions such as multiply-accumulate, enabling fast loop compensation in firmware.
Architecturally, the device pairs a 16-bit modified Harvard RISC core with a 24-bit instruction word, hardware looping, and single-cycle MAC, so control-law calculations complete within tight PWM interrupt windows. The GS family was designed specifically for digital power: peripheral interconnects allow ADC results to trigger PWM updates with minimal CPU latency.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, and uninterruptible power supplies (UPS), where deterministic PWM control and fast analog feedback are essential. It is also used in LED drivers and battery chargers.
Design consideration: the -I grade part is rated -40C to +85C; for +125C environments choose the /E temperature variant in the same family.
This page synthesizes distributor listings, cross-reference data, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS001T-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 DSPIC33FJ06GS001T-I/SS (same form factor and footprint) — differing in Operating Temperature, Packaging.
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DSPIC33FJ06GS101AT-I/SS
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View Datasheet →DSPIC33FJ06GS001T-E/SS
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DSPIC33FJ06GS001-E/SS
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DSPIC33FJ06GS001-I/SS
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View Datasheet →DSPIC33FJ06GS101-I/SS
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DSPIC33FJ06GS001T-I/SS Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit |
| Max CPU Speed | 40 MIPS |
| Program Memory (FLASH) | 6 KB (2K x 24) |
| RAM | 256 bytes |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +85C (TA) |
| Package | 20-SSOP (0.209 in, 5.30 mm width) |
| Mounting Type | Surface Mount |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus |
| ADC | High-speed 10-bit (per family datasheet) |
| Comparators | On-chip comparators (per family datasheet) |
| PWM | High-speed PWM (digital power optimized) |
| Packaging | Tape & Reel (T suffix) |
| Temperature Grade | I (Industrial) |
| Product Family | dsPIC33F GS (digital power) |
DSPIC33FJ06GS001T-I/SS 20-ssop (0.209 in, 5.30 mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS001T-I/SS (20-ssop (0.209 in, 5.30 mm 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/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS001T-I/SS is suitable for 6 applications: AC-DC Power Supply Control, Power Factor Correction (PFC), DC-DC Converter Control, Uninterruptible Power Supplies (UPS), Digital LED Drivers, Battery Chargers.
AC-DC Power Supply Control
The DSPIC33FJ06GS001T-I/SS is purpose-built for AC-DC converter control, pairing a 40 MIPS 16-bit core with high-speed PWM peripherals that support complementary outputs, dead-time insertion, and fault shutdown. In a flyback or forward converter, the ADC samples the output voltage and current each switching cycle and firmware updates the PWM duty cycle within the same period, achieving loop bandwidths impossible with general-purpose MCUs. Placing the controller between the feedback divider and the PWM driver stage replaces analog compensation networks with firmware, allowing adaptive mode switching between continuous and discontinuous conduction. The 3.3 V supply and 20-SSOP footprint keep control-section BOM cost and area minimal, and on-chip comparators provide cycle-by-cycle overcurrent protection without CPU intervention.
Recommended
Power Factor Correction (PFC)
Microchip explicitly targets PFC with the dsPIC33FJ06GS001 family, and the vendor's Interleaved PFC reference design demonstrates universal-input operation producing up to 350 W of high-voltage DC output. The DSPIC33FJ06GS001T-I/SS implements average-current-mode PFC control: the ADC digitizes the input current shunt and bus voltage every half PWM cycle, DSP multiply-accumulate instructions execute the compensation filter, and the high-speed PWM updates duty ratio with cycle-by-cycle current limiting handled by comparators. Running the 40 MIPS core at a 100-200 kHz switching frequency leaves ample interrupt headroom. Firmware-based control also enables adaptive inductor-current limiting and brownout handling that fixed-function PFC controllers cannot provide, all within a compact 20-SSOP package rated to +85C.
Recommended
DC-DC Converter Control
For DC-DC bricks, point-of-load converters, and bus converters, the DSPIC33FJ06GS001T-I/SS closes the voltage loop entirely in firmware. The high-speed PWM supports phase-shifted, interleaved, and multi-phase topologies with hardware dead-time control, while the fast 10-bit ADC and on-chip comparators deliver per-cycle current-mode feedback. At 40 MIPS, a PID or type-III compensator executes in a few microseconds, supporting switching frequencies into the hundreds of kilohertz. Digital implementation brings telemetry (output current, temperature, fault logs) over the on-chip UART or I2C port, enabling PMBus-style monitoring that analog controllers lack. The 256-byte RAM accommodates compact fixed-point control state, and the 20-SSOP package suits dense power boards where control space is at a premium.
Recommended
Uninterruptible Power Supplies (UPS)
Offline and line-interactive UPS designs require coordinated control of an inverter, a battery charger, and transfer logic - exactly the multi-loop scenario Microchip cites for this family. The DSPIC33FJ06GS001T-I/SS runs the inverter sine-wave PWM modulator from a lookup table with the 40 MIPS core, simultaneously servicing the charger CC/CV loop through the ADC and comparators. Multiple high-speed PWM outputs drive half-bridge stages with programmable dead time, and the LINbus/UART interface connects to a front-panel or host controller. Firmware-based control enables self-test, waveform shaping, and adaptive transfer thresholds that cut changeover transients. The industrial -40C to +85C grade and compact 20-SSOP package fit both rack-mounted and embedded UPS control boards.
Recommended
Digital LED Drivers
High-current LED drivers benefit from the same digital-power peripherals: the high-speed PWM of the DSPIC33FJ06GS001T-I/SS provides dimming resolution far beyond analog PWM generators, and the ADC-plus-comparator loop regulates LED current cycle-by-cycle for consistent brightness despite forward-voltage variation. Firmware control supports architectural flexibility - buck, boost, or SEPIC topologies on one silicon platform - plus features such as thermal foldback, strobe sequences, and fault logging over UART or I2C. At 40 MIPS the core services both the current loop and communication tasks at switching frequencies above 100 kHz. The 3.3 V, 20-SSOP industrial-grade part keeps the control BOM to a single small IC, making it attractive for commercial lighting and signage power stages.
Recommended
Battery Chargers
Smart battery chargers need precise CC/CV/CC-trickle sequencing, temperature-qualified charge profiles, and termination detection - all implementable in firmware on the DSPIC33FJ06GS001T-I/SS. The fast ADC tracks battery voltage and current each switching cycle, the on-chip comparators enforce hard current limits independent of software, and the high-speed PWM shapes the converter duty cycle across buck or buck-boost stages. Charge algorithms (Li-ion CC/CV, NiMH delta-peak, lead-acid staged) differ only in firmware, so one hardware platform serves multiple chemistries. The UART/I2C ports report state-of-charge and faults to a host, and the -40C to +85C operating range plus compact 20-SSOP footprint suit automotive-adjacent and industrial charging equipment.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS001T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS101AT-I/SS | DSPIC33FJ06GS001T-E/SS | DSPIC33FJ06GS001-E/SS | DSPIC33FJ06GS001-I/SS | DSPIC33FJ06GS101-I/SS |
|---|---|---|---|---|---|---|
| Package | 20-SSOP (5.30 mm width) | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Performance | 40 MIPS | 40 MIPS (identical per Xecor) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| FLASH Memory | 6 KB (2K x 24) | 6 KB class (per Xecor identical profile) | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB class |
| RAM | 256 bytes | 256 bytes class | 256 bytes | 256 bytes | 256 bytes | 256 bytes class |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Packaging Format | Tape & Reel | Tape & Reel | Tape & Reel | Tray/Tube | Tray/Tube | Tray/Tube |
Key Differentiators
- Digital-power-optimized peripherals (vs Generic 16-bit MCUs in 20-pin packages)
- Extended temperature option on identical footprint (vs DSPIC33FJ06GS001T-I/SS vs DSPIC33FJ06GS001T-E/SS)
- Pin-compatible upgrade path (vs DSPIC33FJ06GS101AT-I/SS and DSPIC33EV family)
Design Notes
Run the 3.3 V rail from a clean regulator with local decoupling: place 0.1 uF ceramic capacitors at each VDD pin within 2-3 mm, plus one 4.7-10 uF bulk capacitor near the device. The fast PWM edges and 40 MIPS clock switching inject significant di/dt into the supply; poor decoupling shows up as ADC noise and erratic comparator trips in digital power loops. Separate the analog ground of the ADC/comparator pins from the power-stage ground return, tying them at a single star point.
Do not confuse the package variants: the /SS suffix is 20-SSOP while /SO is 18-SOIC - they are not footprint-compatible. Also check the temperature grade: the -I part stops at +85C ambient; power supplies in sealed enclosures routinely exceed this, so select DSPIC33FJ06GS001T-E/SS (-40C to +125C) for hot environments. Finally, consult the Microchip errata sheet referenced in the family datasheet before finalizing firmware, since known silicon/documentation deviations may affect PWM or ADC behavior in early revisions.
In a digital power board, route the PWM outputs to gate drivers as short, guarded traces away from the switching node, and keep the RC feedback networks of the ADC inputs close to the pins. Use a solid ground plane with the controller on the quiet side of the board; place the 20-SSOP so the sample-and-hold inputs of the ADC avoid crossing high-dv/dt regions. For prototypes, consider the DSPIC33FJ06GS001-E/P DIP variant with a Microchip explorer/programmer setup before committing to the SSOP footprint.
Compliance Information
Compliance data not present in the verified web data; consult the Microchip product page or datasheets.com part record for current RoHS/REACH status.
