DSPIC33FJ06GS101A-I/SS - 16-bit DSC 40 MIPS 6KB Flash | Microchip
MPN: DSPIC33FJ06GS101A-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.74 | $2.74 |
| 10 | $2.47 | $24.70 |
| 100 | $2.2 | $220.00 |
| 500 | $1.98 | $990.00 |
| 1,000 | $1.78 | $1,780.00 |
DSPIC33FJ06GS101A-I/SS Overview
A digital signal controller combines the computational throughput of a DSP core with the peripheral set and interrupt architecture of a microcontroller. In the power-management hierarchy, the dsPIC33FJ GS family sits between generic MCUs and dedicated digital power ASICs, giving designers programmable control loops for switch-mode power supplies, inverters, and battery chargers.
Key differentiators include a 40 MIPS core at 3.0V-3.6V (30 MIPS at 2.5V-3.0V), a high-resolution PWM module supporting complementary outputs with dead-time control, DSP-engine multiply-accumulate instructions for PID and filter algorithms, and an industrial temperature grade of -40C to +85C. The 6 KB self-programming Flash supports field firmware updates in deployed power supplies.
The SMPS peripheral architecture is optimized for closed-loop digital power: fast analog-to-digital conversion synchronized to the PWM period, on-chip comparators for cycle-by-cycle current limiting, and deterministic interrupt latency that preserves control-loop stability. The 16-bit modified Harvard architecture executes two instructions per cycle at maximum clock, and the DSP engine accelerates proportional-integral control and signal conditioning.
Typical applications include interleaved power factor correction (Microchip reference designs demonstrate 350 W universal-input PFC using this device), LLC and flyback AC-DC converters, DC-DC bricks, digital lighting ballasts, and battery chargers where adaptive control algorithms replace fixed-function analog controllers.
Design consideration: at full 40 MIPS the device requires a 3.0V-3.6V supply; if your rail is 2.5V-3.0V, derate to 30 MIPS or verify timing margins in the control loop. Also budget the small 256-byte RAM carefully - control-loop state variables and compensation coefficients must fit.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ06GS101A-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 DSPIC33FJ06GS101A-I/SS (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Packaging, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS101A-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS102A-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.85 / Unit
View Datasheet →DSPIC33FJ09GS302-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.17 / Unit
View Datasheet →DSPIC33FJ06GS101A-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F modified Harvard |
| Max CPU Speed | 40 MIPS at 3.0V to 3.6V |
| CPU Speed (2.5V-3.0V) | 30 MIPS |
| Program Memory | 6 KB Flash (2K x 24) |
| RAM | 256 bytes |
| Operating Voltage | 2.5 V to 3.6 V |
| Specialized Peripherals | SMPS (High-Speed PWM, ADC, Comparators) |
| ADC Resolution | 10-bit |
| PWM | High-Speed PWM with dead-time control |
| Comparators | On-chip analog comparators |
| DSP Engine | Single-cycle MAC instructions |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 20-SSOP (0.209 in, 5.30 mm width) |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Lifecycle Status | In Production |
DSPIC33FJ06GS101A-I/SS 20-ssop (0.209 in, 5.30 mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS101A-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 DSPIC33FJ06GS101A-I/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS101A-I/SS is suitable for 6 applications: Digital Power Factor Correction, LLC and Flyback AC-DC Converters, DC-DC Brick and Point-of-Load Conversion, Digital Lighting Ballasts and LED Drivers, Battery Chargers, Embedded Control and Industrial Sensing.
Digital Power Factor Correction
The DSPIC33FJ06GS101A-I/SS is a natural fit for interleaved PFC: its high-speed PWM can synchronize the 10-bit ADC sampling to the inductor current zero-crossing each switching cycle, while on-chip comparators provide cycle-by-cycle overcurrent protection without CPU intervention. Microchip's own Interleaved PFC reference design, built on this SMPS DSC family, converts universal AC input to a high-voltage DC output at up to 350 W, proving the control-loop architecture in production hardware. The 40 MIPS core executes average-current-mode compensation with DSP MAC instructions, and the 256-byte RAM is sufficient for PID state and feedforward tables at typical 50-100 kHz PFC switching frequencies.
Recommended
LLC and Flyback AC-DC Converters
For resonant LLC and QR flyback converters, the device's high-speed PWM module delivers complementary outputs with programmable dead-time and adjustable frequency, enabling adaptive burst and valley-switching algorithms in firmware. The 10-bit ADC synchronized to PWM edges captures output voltage and primary current at precisely defined instants, reducing ripple aliasing in the control loop. At 40 MIPS the core sustains proportional-integral loops well above 200 kHz switching frequencies. The 6 KB Flash holds the converter state machine, soft-start ramps, and fault handlers; field firmware updates via self-programming Flash let OEMs retune converter behavior after deployment without hardware changes.
Recommended
DC-DC Brick and Point-of-Load Conversion
Intermediate-bus and point-of-load converters benefit from the deterministic control this DSC provides: PWM dead-time resolution and ADC trigger placement are hardware-timed, so loop delay is constant regardless of firmware branching - a requirement for stable high-bandwidth current-mode control. The on-chip comparators implement fast hiccup or cycle-by-cycle current limit independently of the CPU, meeting protection timing even if software is momentarily blocked. In telecom 48 V brick designs, the -40C to +85C industrial rating covers unconditioned enclosure environments, and the compact 20-SSOP (5.30 mm width) package keeps the controller footprint small on densely populated power boards.
Recommended
Digital Lighting Ballasts and LED Drivers
HID and high-power LED ballasts require phase-control, dimming, and lamp protection algorithms that fixed-function controllers cannot adapt. The DSPIC33FJ06GS101A-I/SS executes dimming curves, end-of-life lamp detection, and adaptive frequency control in firmware, while the high-speed PWM drives half-bridge stages with precise dead-time for ZVS operation. The 10-bit ADC tracks lamp voltage and current each cycle, and comparators shut the stage down within one switching period on fault conditions. With 6 KB Flash, complete ballast firmware including ignition sequencing and fault logging fits comfortably, and the industrial temperature grade suits enclosed luminaires.
Recommended
Battery Chargers
Smart battery chargers implement CC/CV profiles, temperature-qualified charging, and fault classification in firmware, making a programmable DSC preferable to analog charge controllers. The DSPIC33FJ06GS101A-I/SS measures charge current and pack voltage through the synchronized 10-bit ADC, drives the buck or flyback power stage via the high-speed PWM, and terminates charge based on firmware-defined algorithms - including -dV/dt and dT/dt methods. The on-chip comparators provide hardware overcurrent backup independent of software. Its 40 MIPS performance leaves margin for coulomb counting and state-of-charge estimation even at high switching frequencies.
Recommended
Embedded Control and Industrial Sensing
Beyond power conversion, the device serves as a compact 16-bit embedded controller where DSP capability is needed at low cost: sensor signal conditioning with digital filtering, peak detection, and FFT-based diagnostics all run efficiently on the single-cycle MAC DSP engine. The 10-bit ADC with multiple channels supports voltage, current, and temperature monitoring in industrial equipment, and the ICSP programming interface (any PGECx/PGEDx pair used as a pair) allows in-system updates on installed hardware. The 20-SSOP package and -40C to +85C rating fit space-constrained factory floor nodes exposed to wide ambient ranges.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS101A-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS101A-E/SS | DSPIC33FJ06GS102A-I/SS | DSPIC33FJ09GS302-I/SS |
|---|---|---|---|---|
| Package | 20-SSOP (5.30 mm) | 20-SSOP - same | 20-SSOP - same | 20-SSOP - verify pin map |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Memory (Flash) | 6 KB (2K x 24) | 6 KB (2K x 24) | 12 KB | 9 KB |
| RAM | 256 bytes | 256 bytes | 1 KB | 1 KB |
| Operating Temperature | -40C to +85C (Industrial) | Extended temperature grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| SMPS Peripherals (PWM/ADC/Comparators) | Yes | Yes | Yes | Yes |
Key Differentiators
- SMPS-dedicated peripheral set, not general-purpose MCU peripherals (vs PIC18F05Q40-I/SL)
- Lower cost per MIPS than EV-family successors (vs DSPIC33EV32GM002-I/SS)
- Extended-temperature drop-in exists on the same die (vs DSPIC33FJ06GS101A-E/SS)
Design Notes
Supply the device from a clean 3.3V rail (3.0V-3.6V for 40 MIPS operation). Place a 0.1 uF ceramic capacitor at each VDD pin within 5 mm, plus a 10 uF bulk capacitor near the controller. If the same 3.3V rail powers switching circuitry, add an RC or ferrite filter to the DSC supply because PWM-edge noise coupling into the ADC reference degrades measurement accuracy in digital power loops. For 2.5V-3.0V systems, derate the core to 30 MIPS per component data.
Route PWM outputs to gate drivers as short, matched traces and keep the ADC input traces away from PWM and gate-drive nodes. Connect AVSS/AGND to a quiet analog ground island referenced at a single point to the power ground - star grounding prevents switching currents from corrupting ADC readings. The 20-SSOP exposed leadframe dissipates little heat, but at 40 MIPS typical current draw is modest; a solid ground plane under the package is normally sufficient.
ICSP programming requires a matched PGECx/PGEDx pair - if PGEC2 carries ICSPCLK, ICSPDAT must be on PGED2; mixing pairs from different pairs prevents programming (per Microchip's dsPIC33FJ06GS101A programming notes). Budget RAM carefully: 256 bytes must hold control-loop state, compensation coefficients, and the stack. Finally, do not substitute the pre-A GS001 silicon into an -A socket in production without verifying errata and pinout against datasheet DS-75018B.
Compliance Information
Compliance status was not explicitly stated in the provided web data. Microchip standard production parts of this generation are typically RoHS-compliant, but verify on the official Microchip product page before release.
