DSPIC33FJ06GS202AT-E/TL - 16-bit DSC, 40 MIPS, SMPS PWM | Microchip
MPN: DSPIC33FJ06GS202AT-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.37 | $43.70 |
| 100 | $3.61 | $361.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.71 | $2,710.00 |
DSPIC33FJ06GS202AT-E/TL Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management IC hierarchy, the dsPIC33FJ06GS family replaces analog PWM controllers with a programmable platform, allowing firmware-defined control loops, adaptive compensation, and digital telemetry in switched-mode power supplies.
Key features include the SMPS-dedicated PWM module with high-resolution pulse-width control, two on-chip analog comparators for fast current-limit and cycle-by-cycle protection, a 40 MIPS dsPIC33F core operating from a 3.0V to 3.6V supply, and an extended -40C to +125C (E-grade) operating temperature range. The ADC can be triggered directly by the PWM module, enabling deterministic sampling at the midpoint of the PWM period to reduce switching-noise-induced measurement error.
Technically, the device integrates a modified Harvard architecture with 24-bit instruction words, hardware multiply-accumulate for PI/PID compensator execution, and flexible interrupt latency suited to time-critical control loops. The 2-channel PWM outputs and comparator stall points allow multi-loop topologies such as voltage-mode and peak-current-mode control without external analog error amplifiers.
Typical applications include telecom and server AC-DC front ends with active PFC, isolated and non-isolated DC-DC bricks, uninterruptible power supplies (UPS), and LED drivers requiring precise current regulation, all listed by Microchip as target uses for this family.
When designing with the DSPIC33FJ06GS202AT-E/TL, budget firmware cycle time carefully: at 40 MIPS, a double-update PWM control loop leaves limited headroom for communication stacks, so reserve spare interrupt bandwidth for housekeeping tasks.
This page synthesizes distributor pricing references, same-package drop-in alternatives, and practical digital-power design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ06GS202AT-E/TL — 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 DSPIC33FJ06GS202AT-E/TL (same form factor and footprint) — differing in Core Architecture, Package, Packaging, Maximum CPU Speed, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ06GS202A-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS202AT-I/TL
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →DSPIC33FJ06GS202A-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.72 / Unit
View Datasheet →DSPIC33FJ16GS202AT-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ06GS102AT-E/TL
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →DSPIC33FJ06GS202AT-E/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum CPU Speed | 40 MIPS |
| Flash Program Memory | 6 KB (2K x 24) |
| RAM | 1 KB |
| SMPS PWM Outputs | SMPS-dedicated PWM module |
| Analog Comparators | 2 |
| Operating Temperature Range | -40C to +125C (E grade) |
| Package | VTLA (36-pad) surface mount |
| Package Code | /TL (36VTLA) |
| Mounting Type | Surface Mount |
| Series | dsPIC33FJ06GS202 |
| Target Application | Digital switch-mode power supplies (SMPS) |
| Typical Applications | AC-DC, DC-DC, PFC, UPS |
| Packaging | Tape and Reel (T suffix) |
DSPIC33FJ06GS202AT-E/TL /tl (36vtla) Pin Configuration Guide
Pin configuration for DSPIC33FJ06GS202AT-E/TL (/tl (36vtla) 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 DSPIC33FJ06GS202AT-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ06GS202AT-E/TL is suitable for 6 applications: AC-DC Converter Control, Power Factor Correction (PFC), DC-DC Converter Control, Uninterruptible Power Supplies (UPS), LED Driver Control, Digital Power Supply Prototyping and Evaluation.
AC-DC Converter Control
The DSPIC33FJ06GS202AT-E/TL serves as the digital controller for AC-DC converter front ends, where Microchip lists this family as a primary target. Its 40 MIPS dsPIC33F core executes voltage and current compensation loops with cycle-level determinism, while the SMPS PWM module generates the drive waveforms with hardware dead-time control. The 2 on-chip comparators provide cycle-by-cycle overcurrent protection with no software latency, protecting the MOSFET stage during line transients. The extended -40C to +125C E-grade temperature range suits telecom rectifiers and server PSUs with elevated internal ambient temperatures. Because the ADC is PWM-triggered, input and output sensing occurs at low-noise instants of the switching period, improving regulation accuracy without heavy input filtering.
Recommended
Power Factor Correction (PFC)
Active PFC stages demand a controller that samples the rectified line current every switching cycle and updates the PWM duty at high frequency - exactly the workload the DSPIC33FJ06GS202AT-E/TL was architected for. Microchip explicitly names power factor correction among this family's applications. The average-current-mode PFC loop runs as a fast interrupt at the PWM frequency, with PI compensation computed using the core's DSP multiply-accumulate instructions; the analog comparators implement instantaneous current limiting that halts the PWM output before destructive current levels are reached. At 40 MIPS, there is headroom for housekeeping functions such as brown-out detection and telemetry reporting on the same silicon, eliminating a separate supervisory MCU.
Recommended
DC-DC Converter Control
For telecom bricks, point-of-load converters, and isolated DC-DC modules, the DSPIC33FJ06GS202AT-E/TL replaces analog PWM controllers with a programmable platform. Its SMPS PWM supports the dead-time and complementary-output modes required by synchronous buck and half-bridge topologies, while the 2 comparators handle peak-current-mode protection directly in hardware. The 6KB flash holds the compensation firmware, soft-start sequencing, and fault state machines; the 1KB RAM buffers fast loop variables. Firmware-defined control also enables adaptive compensation and digital telemetry that analog controllers cannot offer, letting one PCB design cover multiple output voltage SKUs by reflashing rather than respinning analog compensation networks.
Recommended
Uninterruptible Power Supplies (UPS)
Microchip lists uninterruptible power supplies as a target application for the dsPIC33FJ06GS202 family. A UPS inverter requires synchronized PWM generation, fast fault shutdown, and battery-charging control - the DSPIC33FJ06GS202AT-E/TL covers the inverter and charger control loops with its SMPS PWM and comparators, while its 40 MIPS core manages transfer logic between mains and battery modes. The -40C to +125C E-grade rating allows mounting the controller near hot power stages inside compact UPS enclosures. Designers typically partition tasks so the fast current loop runs as a highest-priority interrupt, with mode-transfer and communication state machines executed in remaining cycle budget at each PWM period boundary.
Recommended
LED Driver Control
High-power LED drivers require precise, flicker-free current regulation, and the DSPIC33FJ06GS202AT-E/TL provides the digital control backbone for switch-mode LED drivers. The SMPS PWM drives the buck or flyback power stage with adjustable resolution and frequency, the on-chip comparators enforce per-cycle current limiting that protects the LED string from overcurrent during dimming transients, and the PWM-triggered ADC samples the current shunt at low-noise instants. Digital control enables smooth PWM and analog dimming schemes, temperature-derating curves stored in flash, and fault logging. The compact 36-pad VTLA package fits the tight board outlines typical of LED driver and lighting-ballast form factors.
Recommended
Digital Power Supply Prototyping and Evaluation
The DSPIC33FJ06GS202AT-E/TL is well suited to digital-power reference designs and evaluation platforms because it belongs to Microchip's dedicated GS SMPS family with full tool-chain support in MPLAB X IDE and the XC16 compiler. Engineers can iterate compensation tuning purely in firmware across prototype hardware, using the in-circuit debugger for live variable watch during converter operation. The 36-pad VTLA footprint is shared across the GS202/GS102 family, so the same PCB validates multiple feature-density options, and the pin-compatible 6KB/16KB flash variants let firmware grow without respinning the board. The extended temperature grade also lets prototypes be qualified directly into industrial hardware.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ06GS202AT-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ06GS202A-E/TL | DSPIC33FJ06GS202AT-I/TL | DSPIC33FJ06GS202A-I/TL | DSPIC33FJ16GS202AT-E/TL | DSPIC33FJ06GS102AT-E/TL |
|---|---|---|---|---|---|---|
| Package | VTLA (36-pad) | VTLA (36-pad) - same | VTLA (36-pad) - same | VTLA (36-pad) - same | VTLA (36-pad) - same | VTLA (36-pad) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 6 KB (2K x 24) | 6 KB | 6 KB | 6 KB | 16 KB | 6 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +125C |
| SMPS PWM Module | Yes | Yes | Yes | Yes | Yes | Yes |
| Target Application | Digital SMPS (AC-DC, DC-DC, PFC, UPS) | Digital SMPS - same | Digital SMPS - same | Digital SMPS - same | Digital SMPS - same | Digital SMPS (reduced analog) - same |
Key Differentiators
- SMPS-dedicated PWM with hardware dead-time and comparator stall (vs PIC18F1220-I/SS)
- Extended -40C to +125C operation in the E-grade variant (vs DSPIC33FJ06GS202AT-I/TL)
- Trade-off: 6KB flash is the family floor among GS202-class parts (vs DSPIC33FJ16GS202AT-E/TL)
Design Notes
Synchronize ADC sampling to the PWM time base so current and voltage samples are taken at the midpoint or boundary of the PWM period, where ripple current is minimal. Sampling asynchronously with a free-running timer injects switching-noise-induced error into the compensation loop and forces heavier analog filtering that adds phase lag. Route the current-shunt sense traces as Kelvin connections directly to the comparator and ADC input pins, keeping them away from the PWM gate-drive nets to prevent false comparator trips during switching edges.
Early non-A-revision dsPIC33FJ06GS family parts have documented errata (see the Microchip dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04 silicon errata document); always review the latest errata for your date code before tape-out and prefer A-revision silicon such as the DSPIC33FJ06GS202A-E/TL in new designs. Also budget firmware timing at 40 MIPS: a double-update-rate PWM loop consumes most of the cycle budget at high PWM frequencies, so measure worst-case interrupt latency early rather than discovering overrun faults at system integration.
Place a 0.1uF ceramic decoupling capacitor within 2-3 mm of each VDD pin pair and one bulk capacitor (4.7uF to 10uF) near the controller. Because this DSC sits next to a switching power stage, keep its ground return separated from the power-stage ground until a single-point star connection, preventing high di/dt gate-drive currents from modulating the analog reference. The 36-pad VTLA lands benefit from a solid ground pour under the part; the exposed thermal pad should be soldered for grounding and mechanical robustness per the Microchip family datasheet layout guidance.
Compliance Information
RoHS/lead-free status per standard Microchip surface-mount component status for this orderable part; explicit certificate not present in the verified web data - download the current RoHS certificate from Microchip for formal documentation.
