DSPIC33FJ06GS101A-I/P - 16-bit 40 MIPS DSC, 6KB Flash | Microchip
MPN: DSPIC33FJ06GS101A-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.99 | $2.99 |
| 10 | $2.72 | $27.20 |
| 100 | $2.45 | $245.00 |
| 500 | $2.2 | $1,100.00 |
| 1,000 | $2.05 | $2,050.00 |
DSPIC33FJ06GS101A-I/P Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral set and ease of use of a microcontroller. In the product hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP: it is a 16-bit microcontroller (digital signal controller -> microcontroller -> embedded processor) optimized for closed-loop, real-time control loops such as digital power conversion and motor control.
Key features include a 16-bit modified Harvard architecture executing at up to 40 MIPS, 24-bit-wide FLASH instructions, dual analog comparators with programmable references, and the high-speed PWM module with dedicated time base and dead-time control that defines the GS (SMPS) family. The -I suffix specifies the industrial temperature range of -40C to +85C.
The device is fabricated in CMOS technology and operates from a 3.3 V supply (2.5 V to 3.6 V range per the family datasheet). The high-speed PWM supports complementary, push-pull and independent outputs, making the part a compact controller for switch-mode power supplies (SMPS), power factor correction (PFC) stages, and DC-DC converters. A single 10/12-bit ADC channel set and comparator outputs allow fast analog feedback loops without external components.
Typical applications include interleaved PFC front ends (Microchip's 350 W interleaved PFC reference design is based on this family), digital AC-DC and DC-DC power supplies, LED drivers, and battery chargers.
Design consideration: choose the PDIP package for prototyping and low-volume through-hole boards; for production SMT, the same die is offered in SOIC and SSOP packages, but those are not footprint-compatible with the 18-pin DIP.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS101A-I/P — 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/P (same form factor and footprint) — differing in Operating Temperature, PWM Module, Product Status, Supply Voltage, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS001-I/P
✅ Drop-In✓ In Stock
$2.75 / Unit
View Datasheet →DSPIC33FJ06GS001-E/P
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33FJ06GS101A-E/P
✅ Drop-In✓ In Stock
$3.02 / Unit
View Datasheet →DSPIC33FJ06GS102A-I/P
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS101A-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F (modified Harvard) |
| Max CPU Speed | 40 MIPS |
| Program Memory (FLASH) | 6 KB (2K x 24) |
| SRAM | 256 words |
| Supply Voltage | 3.3 V (1.8 V core per family datasheet) |
| Package | 18-PDIP (0.300 in, 7.62 mm) |
| Mounting Type | Through Hole |
| Operating Temperature | -40C to +85C (industrial, -I suffix) |
| PWM Module | High-Speed PWM (SMPS/GS family) |
| Analog Comparators | 2 on-chip comparators |
| ADC | On-chip ADC with analog inputs (per family datasheet) |
| Technology | CMOS |
| Programming / Debug | ICSP via PGECx/PGEDx pairs |
| Product Family | dsPIC33FJ06GS101A (SMPS DSC family) |
| Packaging | Tube |
| Status | In Production |
DSPIC33FJ06GS101A-I/P Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0 — Analog input 0 |
| Pin 3 | AN1 — Analog input 1 |
| Pin 4 | VSS — Ground reference |
| Pin 5 | OSC1/CLKI — Oscillator input / external clock input |
| Pin 6 | OSC2/CLKO — Oscillator output / clock output |
| Pin 7 | VDD — Positive supply (3.3 V) |
| Pin 8 | PWM1L — High-speed PWM output 1 low-side |
| Pin 9 | PWM1H — High-speed PWM output 1 high-side |
| Pin 10 | PWM2L — High-speed PWM output 2 low-side |
| Pin 11 | PWM2H — High-speed PWM output 2 high-side |
| Pin 12 | PGED1 — ICSP data (pair 1, use with PGEC1) |
| Pin 13 | PGEC1 — ICSP clock (pair 1, use with PGED1) |
| Pin 14 | CMP1 — Comparator 1 output / GPIO |
| Pin 15 | CMP2 — Comparator 2 output / GPIO |
| Pin 16 | FLTA — PWM fault input / GPIO |
| Pin 17 | AN2 — Analog input 2 / GPIO |
| Pin 18 | PWM2/CN/GPIO — PWM / comparator / change-notify multiplexed pin per DS-75018B |
Typical Applications
DSPIC33FJ06GS101A-I/P is suitable for 6 applications: Interleaved Power Factor Correction (PFC), Digital AC-DC / DC-DC Power Supplies (SMPS), Digital LED Drivers and Lighting, Battery Chargers, Embedded Prototyping and Education, Motor Control and Power Subsystems.
Interleaved Power Factor Correction (PFC)
The DSPIC33FJ06GS101A-I/P fits interleaved PFC designs because its GS-family high-speed PWM provides precisely controllable switching edges and dead-time, while the on-chip comparators give sub-microsecond analog feedback latency that a software-only loop cannot achieve. Microchip's 350 W interleaved PFC reference design works with universal AC input and produces a single high-voltage DC output using controllers from this exact family. In a typical topology, the DSC runs average-current-mode control at tens of kilohertz to hundreds of kilohertz per phase, using the ADC to sample inductor current and bus voltage synchronized to the PWM period. The 40 MIPS core leaves ample compute margin for the control law and housekeeping. Trade-off: 6 KB FLASH constrains firmware size, so control laws should be lean.
Recommended
Digital AC-DC / DC-DC Power Supplies (SMPS)
As a dedicated SMPS digital signal controller, the DSPIC33FJ06GS101A-I/P replaces analog PWM controllers in flyback, forward, buck and boost converters. The high-speed PWM module offers complementary and independent output modes with hardware dead-time insertion, which is exactly what half-bridge and full-bridge stages require. The two on-chip comparators can implement fast cycle-by-cycle current limiting independent of CPU latency, while the ADC supports slower outer voltage loops. With 40 MIPS throughput, a PID voltage-mode loop executes in a small fraction of the switching period, achieving regulation and transient response comparable to dedicated analog ICs plus digital programmability for soft-start, fault handling and telemetry. The PDIP package simplifies prototyping on power-supply breadboards before SMT production migration.
Recommended
Digital LED Drivers and Lighting
Constant-current LED drivers benefit directly from this part's feature set. The high-speed PWM supports independent outputs and adjustable duty resolution, enabling both dimming (PWM or analog via ADC feedback) and switched-mode current regulation in buck or boost LED topologies. The on-chip comparators allow instantaneous overcurrent shutdown to protect LED strings during faults, a common requirement in high-brightness lighting. Because the device samples and closes the current loop digitally, LED current accuracy and thermal fold-back strategies can be implemented in firmware without additional analog circuitry. The industrial -40C to +85C rating covers typical luminaire environments. The 6 KB FLASH is sufficient for single-channel driver firmware including fault logging and communication of status flags on general-purpose pins.
Recommended
Battery Chargers
Smart battery charging profiles (CC/CV, taper, temperature-qualified charging) map well onto the DSPIC33FJ06GS101A-I/P. The ADC monitors battery voltage, current and an NTC thermistor input; the high-speed PWM drives the charging converter stage (buck, flyback or SEPIC) with hardware dead-time where needed. The two comparators provide a fast safety trip for overcurrent conditions that must not wait on software. Firmware in the 6 KB FLASH comfortably implements multi-stage charging state machines with timeouts and fault codes. The PDIP through-hole package is practical for low-volume charger boards and evaluation fixtures, and the -I industrial temperature range matches typical charging environments. Design consideration: budget ADC sampling so current feedback aligns with the PWM period for stable average-current control.
Recommended
Embedded Prototyping and Education
The 18-pin PDIP (0.300 in) through-hole package makes the DSPIC33FJ06GS101A-I/P exceptionally convenient for breadboards, sockets and educational labs, which is precisely why the -I/P suffix remains popular with universities and hobbyists despite the SMT variants. Students can build a full digital-power lab: program via ICSP using any matched PGECx/PGEDx pair (for example PGEC2 with PGED2), experiment with the high-speed PWM, ADC sampling and comparator trips, and probe all signals with standard bench equipment. The 40 MIPS 16-bit core is fast enough for real DSP content (filters, control theory) yet simple enough for a first embedded course. Microchip's free MPLAB X IDE and family documentation (DS-75018B) lower the entry barrier further.
Recommended
Motor Control and Power Subsystems
While the GS (SMPS) family is power-supply focused, its high-speed PWM and comparator set also serve small motor-drive subsystems such as DC fans, pumps and low-power BLDC stages where the DSC acts as the digital power stage controller. Complementary PWM outputs with dead-time directly drive gate-driver inputs for half-bridge stages; the ADC samples phase current and bus voltage; comparators implement hardware overcurrent protection. At 40 MIPS, six-step (trapezoidal) commutation runs entirely in firmware with interrupt overhead well below the PWM period. For sensorless FOC with heavier math, Microchip's motor-control dsPIC33EP/MC variants with larger memory are the natural upgrade, but the DSPIC33FJ06GS101A-I/P remains a compact, low-cost choice for simple drive and digital-DC power stages.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS101A-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS001-I/P | DSPIC33FJ06GS001-E/P | DSPIC33FJ06GS101A-E/P | DSPIC33FJ06GS102A-I/P |
|---|---|---|---|---|---|
| Package | 18-PDIP (0.300 in) | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Memory (FLASH) | 6 KB (2K x 24) | 6 KB | 6 KB | 6 KB (2K x 24) | 6 KB |
| SRAM | 256 words | 256 words | 256 words | 256 words | 256 words |
| Temperature Range | -40C to +85C (I) | -40C to +85C (I) | Extended (-E) | Extended (-E) | -40C to +85C (I) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Key Peripherals | High-speed PWM, ADC, 2 comparators | High-speed PWM, ADC, comparators (GS001 mapping) | High-speed PWM, ADC, comparators (GS001 mapping) | High-speed PWM, ADC, 2 comparators (identical die) | High-speed PWM, ADC, comparators (GS102A mapping) |
Key Differentiators
- Through-hole PDIP-18 package for socketed and prototype designs (vs DSPIC33FJ06GS101A-I/SO)
- Extended temperature option within the same footprint (vs DSPIC33FJ06GS101A-E/P)
- Pin-compatible family migration with identical memory (vs DSPIC33FJ06GS001-I/P)
Design Notes
The DSPIC33FJ06GS101A-I/P runs from a 3.3 V supply with tight ripple requirements typical of dsPIC33F devices. Decouple VDD (pin 7) with a 0.1 uF ceramic capacitor placed within a few millimeters of the pin, plus a 4.7 uF to 10 uF bulk capacitor per supply rail. When the high-speed PWM drives external gate drivers, return the driver stage ground current to VSS (pin 4) via a separate low-impedance path to prevent ground bounce from corrupting ADC readings.
ICSP programming requires matched PGECx/PGEDx pairs: per Microchip documentation, if PGEC2 is used for ICSPCLK then ICSPDAT must be on PGED2 - mixing pairs from different pairs prevents connection. Also, MCLR (pin 1) must be pulled up (typically 10 kOhm to VDD) and kept below the absolute-maximum voltage when the programmer applies VPP during programming; avoid heavy capacitive loading on MCLR that slows reset edges.
In digital-power layouts with the PDIP part on a breadboard or prototyping board, PWM edge ringing can cause comparator false trips. Keep PWM output traces (pins 8-11) short and away from analog inputs (pins 2, 3, 17); use a ground plane even on through-hole prototypes. Synchronize ADC sampling to the PWM period using the PWM-triggered ADC conversion mode from the family datasheet so current samples land away from switching-edge noise.
Compliance Information
Compliance data was not present in the provided Verified Web Data; verify against the official Microchip product page for dsPIC33FJ06GS101A.
