DSPIC33FJ06GS101AT-E/SO - 16-bit DSC 40 MIPs 6KB Flash | Microchip
MPN: DSPIC33FJ06GS101AT-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.45 | $345.00 |
| 500 | $3.15 | $1,575.00 |
| 1,000 | $2.9 | $2,900.00 |
DSPIC33FJ06GS101AT-E/SO Overview
A Digital Signal Controller combines the compute characteristics of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits above a basic MCU: it executes DSP-class multiply-accumulate instructions while integrating specialized control loops, making the dsPIC33F family a natural fit for switch-mode power supply (SMPS), power conversion, and digital power applications.
Key features include the 16-bit dsPIC core running at 40 MIPS, high-resolution SMPS PWM outputs purpose-built for peak-current-mode and voltage-mode power converter control, and serial connectivity via I2C, SPI, UART/USART, IrDA, and LINbus. The extended temperature rating (-40C to +125C) and AEC-Q100 automotive qualification support under-hood and industrial environments where consumer-grade parts cannot survive.
Architecturally, the dsPIC33F core uses a modified Harvard pipeline with a 24-bit instruction word, hardware DSP engine, and deterministic interrupt latency. The 6KB self-programmable FLASH supports field firmware updates, while the compact 256-byte RAM budget keeps register-heavy control loops disciplined - engineers typically allocate RAM statically and avoid dynamic allocation.
Typical applications include digital SMPS and AC-DC converter control, LED drivers, battery chargers, power factor correction stages, and automotive auxiliary power modules. The SMPS PWM peripheral directly targets these topologies with fast analog comparators and programmable dead time.
A key design consideration: with only 256 bytes of RAM, plan the control-loop variable map before writing firmware, and verify FLASH erase/write endurance for any in-field update scheme.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ06GS101AT-E/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 DSPIC33FJ06GS101AT-E/SO (same form factor and footprint) — differing in Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS001T-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ06GS101-E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33FJ06GS101A-E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS101AT-E/SO Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC 33F (16-bit) |
| Core Size | 16-bit |
| Speed | 40 MIPs |
| Program Memory Type | FLASH |
| Program Memory Size | 6KB (2K x 24) |
| RAM Size | 256 bytes |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | SMPS PWM |
| Number of Pins | 18 |
| Package / Case | 18-SOIC (0.295 in, 7.50 mm width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade, automotive) |
| Qualification | Automotive, AEC-Q100 |
| Series | dsPIC33FJ GS101 |
DSPIC33FJ06GS101AT-E/SO 18-soic (0.295 in, 7.50 mm width) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS101AT-E/SO (18-soic (0.295 in, 7.50 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 DSPIC33FJ06GS101AT-E/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS101AT-E/SO is suitable for 6 applications: Digital Switch-Mode Power Supply (SMPS) Control, Automotive Power Modules, LED Drivers and Lighting Control, Battery Chargers, Power Factor Correction (PFC) Stages, Embedded Serial Communication Nodes.
Digital Switch-Mode Power Supply (SMPS) Control
The DSPIC33FJ06GS101AT-E/SO fits digital SMPS designs through its dedicated SMPS PWM peripheral paired with a 40 MIPs 16-bit core, enabling deterministic execution of voltage-mode or peak-current-mode compensation loops at switching frequencies typical of AC-DC and DC-DC converters. The fast PWM engine supports programmable dead time and comparator-based current limiting without CPU intervention, keeping loop latency low. Placed as the sole controller of a flyback, buck, or boost stage, it replaces analog PWM controllers while adding programmability, telemetry via UART/I2C, and field firmware updates within the 6KB FLASH. The trade-off is that the 256-byte RAM demands careful static allocation of control-loop state variables.
Recommended
Automotive Power Modules
With AEC-Q100 qualification and a -40C to +125C extended temperature rating (the AT-E suffix), this controller suits under-hood and body-adjacent power electronics such as auxiliary power modules, DC-DC converters in 12V automotive rails, and electronic load control. The 40 MIPs core closes digital control loops fast enough for automotive converter topologies, while the LINbus and UART/USART interfaces connect directly to automotive body networks and diagnostics tooling. Its 18-SOIC surface-mount package withstands automotive reflow profiles. Engineers should budget thermal margin at +125C ambient, as junction temperature limits govern maximum achievable MIPS and peripheral clock rates in hot locations like engine-bay modules.
Recommended
LED Drivers and Lighting Control
The SMPS PWM peripheral and 16-bit resolution PWM resources of the DSPIC33FJ06GS101AT-E/SO make it a strong digital LED driver controller for constant-current buck or boost LED stages. The 40 MIPs core can implement dimming algorithms, PWM dimming with high resolution, and protection features such as open-circuit and short-circuit detection executed in firmware with deterministic latency. Serial links (I2C or UART) provide dimming command intake from lighting networks or NEMA-style controllers. Because the entire driver firmware fits in 6KB FLASH, BOM cost stays minimal; the design constraint is again the 256-byte RAM, which is sufficient for a single-loop LED current regulator with telemetry.
Recommended
Battery Chargers
Multi-chemistry battery charging benefits from the DSPIC33FJ06GS101AT-E/SO's combination of SMPS PWM control and 16-bit compute: the controller implements CC/CV charging profiles, termination detection, temperature-based derating, and fault handling in firmware while the hardware PWM regulates the power stage. The 40 MIPs core leaves ample headroom for state machines, coulomb-style bookkeeping, and UART-based status reporting. The extended -40C to +125C rating supports charger modules mounted near heat sources or outdoors, and AEC-Q100 qualification enables automotive onboard charger auxiliary stages. Firmware must fit 6KB FLASH, which is adequate for single-bank chargers without complex gauging algorithms.
Recommended
Power Factor Correction (PFC) Stages
Average-current-mode PFC control requires fast, deterministic loop execution - a match for the DSPIC33FJ06GS101AT-E/SO's 40 MIPs 16-bit core and SMPS PWM peripheral. The DSC samples the rectified line and inductor current, computes the current command from the voltage loop, and updates the PWM duty cycle within each switching period, achieving power factors above 0.98 in typical boost-PFC implementations. The UART interface supports compliance telemetry, and the extended temperature grade suits industrial power supplies in sealed enclosures. With 6KB FLASH, a complete PFC controller including soft-start, brownout handling, and protection fits comfortably; the ADC sampling schedule should be timer-triggered to maintain loop determinism.
Recommended
Embedded Serial Communication Nodes
Beyond power conversion, the DSPIC33FJ06GS101AT-E/SO serves as a compact communication gateway: its I2C, SPI, UART/USART, IrDA, and LINbus peripherals (per Microchip USA and DigiKey listings) let it bridge sensor buses to LIN or UART networks in industrial and automotive nodes. The 40 MIPs core handles protocol stacking and CRC computation with headroom, while the 18-SOIC footprint keeps node PCB area minimal. LINbus support targets vehicle body networks directly. The 6KB FLASH accommodates a full LIN 2.x slave stack plus application logic; the extended -40C to +125C operating range permits mounting in engine compartments, external sensor pods, and unconditioned industrial enclosures without conformal-cooling derating for most workloads.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS101AT-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS001T-E/SO | DSPIC33FJ06GS101-E/SO | DSPIC33FJ06GS101A-E/SO |
|---|---|---|---|---|
| Package | 18-SOIC (0.295 in, 7.50 mm) | 18-SOIC (0.295 in, 7.50 mm) - same | 18-SOIC (0.295 in, 7.50 mm) - same | 18-SOIC (0.295 in, 7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33F 16-bit, 40 MIPs | dsPIC33F 16-bit, 40 MIPs | dsPIC33F 16-bit, 40 MIPs | dsPIC33F 16-bit, 40 MIPs |
| FLASH Program Memory | 6KB (2K x 24) | 6KB (2K x 24) | 6KB (2K x 24) | 6KB (2K x 24) |
| RAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Silicon Revision / Errata | AT variant | GS001 variant (functionally equivalent per Xecor) | Base revision | A-step revision (errata fixes) |
Key Differentiators
- Automotive extended temperature grade in 18-SOIC (vs DSPIC33FJ06GS101-E/SO)
- Silicon revision with errata fixes (vs DSPIC33FJ06GS101A-E/SO)
- Verified functional equivalence for second-sourcing (vs DSPIC33FJ06GS001T-E/SO)
Design Notes
RAM discipline is the single biggest pitfall on this 256-byte device. Allocate all control-loop state statically at link time, enable the MPLAB XC-DSC memory usage report on every build, and avoid any library that pulls in dynamic allocation. A single unintended printf or floating-point-heavy ISR can silently overflow the RAM budget or push code beyond the 6KB (2K x 24) FLASH limit. Reserve a few hundred instructions up front if you plan an in-field bootloader.
Decouple VDD/VDDCORE per the dsPIC33FJ GS family datasheet power-supply recommendations, placing the core-regulator capacitor closest to the device, and keep the SMPS PWM gate-drive traces short with a solid ground return to minimize ringing at the power MOSFET gates. Route the MCLR programming pin to a standard 5-pin ICSP header for in-circuit debugging with MPLAB ICD/REAL ICE. The 18-SOIC exposed-less package relies on copper pour for heat spreading in high-MIPS sustained operation.
The SMPS PWM peripheral is designed to interact directly with on-chip comparators for cycle-by-cycle current limiting; wire the current-sense comparator inputs with an RC anti-alias filter sized to your switching frequency, and verify the comparator propagation delay against your minimum duty-cycle requirement. In digital power layouts, keep the analog sense ground separate until a single-point star connection at the controller to prevent PWM switching noise corrupting ADC readings.
Compliance Information
Automotive AEC-Q100 qualification and automotive temperature grade stated by Xecor and Ampheo product listings. RoHS/REACH/lead-free status not stated in the verified web data - confirm on the official Microchip product page.
