DSPIC33FJ06GS001-I/SS - 16-bit 40 MIPS SMPS DSC | Microchip
MPN: DSPIC33FJ06GS001-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.75 | $47.50 |
| 100 | $4.39 | $439.00 |
| 500 | $4.1 | $2,050.00 |
| 1,000 | $3.88 | $3,880.00 |
DSPIC33FJ06GS001-I/SS Overview
A digital signal controller combines the computational capability of a digital signal processor with the control peripherals and ease of use of a microcontroller. Within the embedded control hierarchy, the DSC sits between general-purpose MCUs and full DSPs, making it the preferred choice for closed-loop, high-frequency control loops such as digital power conversion, where deterministic interrupt latency and specialized PWM hardware matter more than raw math throughput.
Key features of this SMPS-focused device include a high-speed 16-bit PWM module with complementary outputs, dead-time control, and edge- or center-aligned modes; a high-speed 10-bit ADC capable of sampling multiple channels simultaneously for current- and voltage-loop feedback; and on-chip analog comparators that can trigger PWM fault states in nanoseconds without CPU intervention, enabling cycle-by-cycle current limiting.
Technically, the device executes the dsPIC33F core with a 24-bit instruction word architecture, a barrel shifter, DSP multiply-accumulate instructions, and two address generation units. Its internal voltage regulator (VREG) allows single-supply operation from approximately 3.0V to 3.6V, and low-power modes plus doze/sleep support reduce standby consumption in offline power stages.
Typical applications include AC-DC and DC-DC power supplies, power factor correction (PFC) stages, LED drivers, battery chargers, and digital lighting ballasts. Microchip's interleaved PFC reference design, producing up to 350 W from universal input, is based on this SMPS DSC family, demonstrating the fit for digital power.
Design consideration: the 6 KB FLASH capacity requires tight code discipline; use fixed-point DSP library routines and avoid heavy middleware stacks, and verify the erase/program endurance budget if field firmware updates are planned.
This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, drop-in family alternatives, pinout guidance, and practical digital-power design notes not found in the manufacturer datasheet, giving engineers a single citable selection resource.
Drop-in alternatives for DSPIC33FJ06GS001-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 DSPIC33FJ06GS001-I/SS (same form factor and footprint) — differing in Core Architecture, Mounting Type, Package, ADC, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS001-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS102-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS101A-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.78 / Unit
View Datasheet →DSPIC33FJ06GS001-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS001-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Type | FLASH |
| Program Memory Size | 6 KB (2K x 24) |
| Data RAM Size | 256 Bytes |
| Program Memory Width | 24-bit |
| Package | 20-SSOP (0.209 in, 5.30 mm width) |
| Operating Temperature Range | -40C to +85C (Industrial, I-temp suffix) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| PWM Module | High-speed 16-bit PWM with complementary outputs and dead-time control |
| ADC | High-speed 10-bit ADC with multiple simultaneous sample-hold |
| Analog Comparators | On-chip high-speed comparators (SMPS fault/control) |
| Logic Technology | CMOS |
| Barrel Shifter | Yes |
| Boundary Scan (JTAG-style) | Supported |
| Low-Power Modes | Sleep, Idle, Doze |
| Typical Application Focus | SMPS / Digital Power |
| Mounting Type | Surface Mount |
| Lifecycle Status | In Production |
DSPIC33FJ06GS001-I/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/VREF+/CN2 — Analog input 0 / positive voltage reference |
| Pin 3 | AN1/VREF-/CN3 — Analog input 1 / negative voltage reference |
| Pin 4 | PGD/AN2/RP3 — ICSP data / analog input 2 / remappable peripheral pin |
| Pin 5 | PGC/AN3/RP4 — ICSP clock / analog input 3 / remappable peripheral pin |
| Pin 6 | VSS — Digital ground |
| Pin 7 | VDD — Digital power supply (3.0-3.6 V) |
| Pin 8 | PWM1L/RP5 — PWM1 low-side output / remappable peripheral pin |
| Pin 9 | PWM1H/RP6 — PWM1 high-side output / remappable peripheral pin |
| Pin 10 | AVSS — Analog ground |
| Pin 11 | AVDD — Analog power supply |
| Pin 12 | PWM2L/RP7 — PWM2 low-side output / remappable peripheral pin |
| Pin 13 | PWM2H/RP8 — PWM2 high-side output / remappable peripheral pin |
| Pin 14 | FLTA/INT0/RE0 — PWM fault input / external interrupt 0 |
| Pin 15 | PWM3L/RP9 — PWM3 low-side output / remappable peripheral pin |
| Pin 16 | PWM3H/RP10 — PWM3 high-side output / remappable peripheral pin |
| Pin 17 | AN4/CMP1/RP11 — Analog input 4 / comparator 1 output / remappable pin |
| Pin 18 | AN5/CMP2/RP12 — Analog input 5 / comparator 2 output / remappable pin |
| Pin 19 | OSC1/CLKI — Oscillator input / external clock |
| Pin 20 | OSC2/CLKO/RC15 — Oscillator output / clock output |
Typical Applications
DSPIC33FJ06GS001-I/SS is suitable for 6 applications: AC-DC Power Supply Control, Power Factor Correction (PFC), LED Driver and Lighting Ballasts, Battery Chargers, DC-DC Converters and Point-of-Load Rails, Industrial Motor and Actuator Sub-controllers.
AC-DC Power Supply Control
The DSPIC33FJ06GS001-I/SS is purpose-built for digitally controlled AC-DC converters. Its high-speed 16-bit PWM generates complementary outputs with programmable dead-time at switching frequencies well above 100 kHz, while the 10-bit high-speed ADC with multiple sample-and-hold circuits captures output voltage and inductor current nearly simultaneously for tight voltage-mode or average-current-mode loops. On-chip comparators route overcurrent events directly to the PWM fault logic, enabling cycle-by-cycle current limiting without CPU latency. Placed as the sole controller in a flyback or LLC stage, it replaces analog controllers with programmable compensators, adaptive burst mode, and telemetry via UART, at roughly 5 USD in single quantities as of 2026-09-26.
Recommended
Power Factor Correction (PFC)
Microchip's interleaved PFC reference design, delivering up to 350 W from a universal AC input, is based on this SMPS dsPIC DSC family, directly validating the GS001 for boost-PFC front ends. The 40 MIPS core executes the average-current-mode control loop and input-voltage feedforward with deterministic latency, while the high-speed PWM's center-aligned operation minimizes input ripple current. The 10-bit ADC samples the rectified line voltage and inductor current each switching cycle for accurate power-factor correction across 90-264 VAC. On-chip comparators provide instantaneous overcurrent shutdown during line transients, protecting the MOSFET before software can respond.
Recommended
LED Driver and Lighting Ballasts
Digitally controlled LED drivers benefit from the GS001's combination of high-resolution PWM dimming and current-loop control. The 16-bit PWM module implements both the power-conversion switching (constant-current buck or boost stage) and a separate dimming channel with edge- or center-aligned modes, supporting PWM dimming ratios beyond what 8-bit MCU timers achieve. The fast comparator input implements hiccup-mode short-circuit protection with hardware response times independent of firmware. With 6 KB FLASH, an entire driver application including dimming curves, temperature derating via the ADC, and DALI-style communication stubs fits comfortably, while the 20-SSOP package keeps controller board area under 40 mm squared.
Recommended
Battery Chargers
Multi-chemistry battery charging (Li-ion CC/CV, lead-acid three-stage, NiMH delta-peak) maps naturally onto the GS001's peripheral set. The high-speed PWM with dead-time drives the synchronous buck charging stage at 100-500 kHz; the 10-bit ADC monitors battery voltage, charge current, and pack temperature on separate sample-hold channels each cycle; and the comparator input enforces hardware overcurrent limits during fault conditions. The 40 MIPS core runs charge-state machines plus coulomb-counting arithmetic without external memory. Low-power modes let the controller sip current in maintenance-float states, an important factor in always-plugged adapter designs where standby budget is regulated.
Recommended
DC-DC Converters and Point-of-Load Rails
For intermediate-bus and point-of-load converters, the GS001 offers digital control benefits including programmable output voltage trimming, adaptive position modulation, and telemetry over a UART or SMBus-style bit-banged interface. The simultaneous multi-channel sampling of the 10-bit ADC supports multiphase current sharing by sampling each phase's inductor current in the same instant, which analog controllers approximate with matching networks. Cycle-by-cycle comparator-based limiting protects against hard shorts at hardware speed. The industrial -40C to +85C rating suits telecom and server shelf environments, and Microchip's 40 MIPS dsPIC33F core sustains control bandwidths sufficient for loops crossing over above 10 kHz.
Recommended
Industrial Motor and Actuator Sub-controllers
Although the GS family is power-supply oriented, its complementary PWM outputs with dead-time insertion and fast analog comparators also drive small Brushed and brushless DC motor stages such as HVAC damper actuators, pump drivers, and fan modules. The remappable peripheral pin (RP) architecture lets designers route PWM, UART, and capture inputs flexibly on the 20-pin package, simplifying single-layer PCB routing. The 40 MIPS DSP core supports sensorless algorithms including back-EMF filtering with the on-chip barrel shifter, while the boundary-scan capability assists production test. At roughly 4-5 USD per unit as of 2026-09-26, it undercuts dedicated motor-control ASICs in flexibility.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS001-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS001-E/SS | DSPIC33FJ06GS102-I/SS | DSPIC33FJ06GS101A-I/SS | DSPIC33FJ06GS001-I/SP |
|---|---|---|---|---|---|
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SPDIP (same pinout, through-hole body) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| FLASH Program Memory | 6 KB (2K x 24) | 6 KB (2K x 24) | 6 KB - larger data memory/I/O in same family | 6 KB (family variant) | 6 KB (2K x 24) |
| Data RAM | 256 Bytes | 256 Bytes | Larger than GS001 (family variant) | Family-equivalent | 256 Bytes |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Lifecycle Status | Active (In Production) | Active | Active | Obsolete reported for some variants (e.g., GS101A-E/SO) - verify | Verify with Microchip |
| SMPS Peripherals (PWM/ADC/Comparators) | High-speed PWM + 10-bit ADC + comparators | Identical | Same family peripheral set | GS101A enhanced peripheral set | Identical |
Key Differentiators
- Dedicated SMPS peripheral integration (vs DSPIC33FJ06GS102-I/SS)
- Extended temperature option in identical footprint (vs DSPIC33FJ06GS001-E/SS)
- Through-hole prototyping path (vs DSPIC33FJ06GS001-I/SP)
Design Notes
The dsPIC33F GS001 contains an internal 2.5V regulator requiring a low-ESR capacitor (approximately 10 uF) on the VDDCAP/VREG pin, plus a 0.1 uF decoupling capacitor at each VDD pin. Keep AVDD fed through an RC filter (for example 10 ohm plus 1 uF) from the digital 3.3V rail so switching noise from the power stage does not corrupt ADC and comparator readings. Estimated: at 40 MIPS typical core current is in the tens of milliamps range; verify exact ICC figures in the DS-75018B DC characteristics table before sizing the bias regulator.
Route the PWM outputs (PWM1H/L through PWM3H/L) away from the ADC input traces (AN0-AN5) to prevent gate-drive switching transients from coupling into feedback sampling. Place the AVSS/AVSS analog ground as a quiet island tied to the power-stage ground at a single star point. Keep the MCLR trace short and add a pull-up (approximately 10k) plus a small capacitor for noise immunity in noisy offline power environments; the ICSP header (PGD/PGC on pins 4-5) should be broken out even in production boards for field firmware updates.
The 6 KB FLASH fills faster than engineers expect once DSP library fixed-point routines and compensator coefficients are included - compile with optimization and monitor the memory map early. Do not exceed the oscillator input ratings on OSC1/CLKI; use the internal FRC with PLL or a crystal per the clock section of DS-75018B. Also note the remappable RP pins: configure PPS (peripheral pin select) registers before enabling PWM outputs, otherwise outputs default to GPIO and the power stage appears dead during bring-up.
Compliance Information
Compliance statuses not explicitly stated in the provided web data; verify on the Microchip product page or distributor environmental data sheets before shipping to RoHS-regulated markets. Microchip standard products of this era are generally RoHS-compliant lead-free, but this must be confirmed.
