DSPIC33EP32GS202T-E/M6 - 16-bit DSC, 32KB Flash | Microchip
MPN: DSPIC33EP32GS202T-E/M6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.07 | $4.07 |
| 10 | $3.82 | $38.20 |
| 100 | $3.45 | $345.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.84 | $2,840.00 |
DSPIC33EP32GS202T-E/M6 Overview
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management semiconductor hierarchy, a DSC sits between a general-purpose MCU and a dedicated power controller IC, executing closed-loop control algorithms such as current-mode control and power factor correction at switching frequencies far beyond typical MCU capability.
Key differentiating features include the interconnected high-speed PWM module that enables deterministic, sub-cycle control of switching converters, an analog front end combining a high-speed ADC with a PGA for direct small-signal current sensing, and dual analog comparators for fast overcurrent protection without CPU intervention. These peripherals are tightly coupled, reducing loop latency - critical for digital power supplies.
Technically, the device executes 16-bit instructions at up to 60 MIPS from zero-wait-state FLASH, includes DSP-class multiply-accumulate instructions for filter and control math, and operates from a single 3.3V supply. The extended-temperature (-40C to +125C) E-grade suffix supports industrial power environments.
Typical applications include interleaved power factor correction (Microchip publishes a 350W interleaved PFC reference design for this family), digital AC-DC and DC-DC converters, LED drivers, battery chargers, and uninterruptible power supplies.
Design consideration: budget PCB thermal relief for the UQFN exposed pad and verify PWM-to-ADC trigger latency when selecting the switching frequency.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32GS202T-E/M6 — 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 DSPIC33EP32GS202T-E/M6 (same form factor and footprint) — differing in Package, Operating Temperature, Specialized Peripherals, Core, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64GS202T-E/M6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32GS202T-I/M6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1 / Unit
View Datasheet →DSPIC33EP32GS202-I/M6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →DSPIC33EP16GS202T-E/M6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33EP16GS202-I/M6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.1 / Unit
View Datasheet →DSPIC33EP32GS202T-E/M6 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP |
| Core Size | 16-bit |
| Program Memory Size | 32KB (32K x 8) FLASH |
| Data RAM Size | 2KB |
| Performance (MIPS) | 60 MIPS |
| Number of Cores | 1 |
| Operating Supply Voltage | 3.3 V |
| Specialized Peripherals | Interconnected High-Speed PWM, ADC with PGA, Comparators |
| Target Application | Digital Power Applications (SMPS) |
| Mounting Style | SMD/SMT |
| Package / Case | 28-UQFN (4x4 mm) |
| Minimum Operating Temperature | -40 C |
| Maximum Operating Temperature | +125 C |
| Product Family | dsPIC33EPXXGS202 (16-Bit DSCs for Digital Power) |
| Functional Safety | FuSa (per DigiKey listing) |
DSPIC33EP32GS202T-E/M6 28-uqfn (4x4 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32GS202T-E/M6 (28-uqfn (4x4 mm) 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 DSPIC33EP32GS202T-E/M6.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32GS202T-E/M6 is suitable for 6 applications: Interleaved Power Factor Correction (PFC), Digital AC-DC and DC-DC Converters (SMPS), Digital LED Drivers, Battery Chargers, Uninterruptible Power Supplies (UPS), Solar Micro-Inverters and MPPT Converters.
Interleaved Power Factor Correction (PFC)
The DSPIC33EP32GS202T-E/M6 directly addresses interleaved PFC: Microchip's own 350W interleaved PFC reference design is built on the dsPIC33EP32GS202 family, accepting universal AC input and producing a regulated high-voltage DC output. The interconnected high-speed PWM drives two converter phases with programmable phase shift, while the fast ADC with PGA samples inductor current for the inner current loop at each switching cycle. The on-chip comparators provide cycle-by-cycle overcurrent protection without software latency, which is essential when the switching period is only a few microseconds. At 60 MIPS, the core executes the voltage-loop compensator, phase balancing, and housekeeping with ample margin, making a single $4 controller sufficient for the entire power-stage control function.
Recommended
Digital AC-DC and DC-DC Converters (SMPS)
Switch-mode power supplies benefit from the GS202 family's tightly coupled analog and PWM subsystems. The interconnected high-speed PWM supports complementary outputs, dead-time insertion, and ADC-trigger-on-PWM so that current sampling occurs at the ideal point in the switching cycle, minimizing switching-noise corruption of the sample. The ADC with programmable gain amplifier allows direct connection of low-level shunt-resistor current signals, eliminating external amplifier stages. Closed-loop voltage and current control runs deterministically at 60 MIPS, supporting peak current mode, average current mode, or digital compensator (PID/2p2z) implementations. With a -40C to +125C E-grade rating, the part survives enclosed power-supply thermal environments where standard commercial parts degrade.
Recommended
Digital LED Drivers
Constant-current LED drivers demand fast, accurate current regulation with dimming control - a strong fit for the DSPIC33EP32GS202T-E/M6. The PGA front end senses LED string current via a low-value shunt and scales it for the internal ADC, while comparators enforce instantaneous overcurrent limits during transient and fault events. The high-speed PWM generates both the converter switching waveform and independent dimming channels with high resolution, supporting PWM dimming frequencies free of visible flicker. Operating from a 3.3V supply with 60 MIPS throughput lets one device control multiple LED channels sequentially in the power loop. The 28-UQFN 4x4 mm footprint suits compact driver boards for industrial and architectural luminaires.
Recommended
Battery Chargers
Smart battery chargers require multi-stage charging algorithms (CC, CV, taper, termination) plus safety supervision - the DSPIC33EP32GS202T-E/M6 implements these in firmware while its hardware peripherals handle the converter loop. The ADC with PGA continuously monitors pack current and voltage; the comparators trigger fast fault interruption for overcurrent or overvoltage conditions independently of software. The 32KB FLASH accommodates chemistry-specific profiles (Li-ion, lead-acid, NiMH), CAN/UART communication to a host, and datalogging, while 2KB RAM supports state-machine and filter variables. With extended -40C to +125C operation, the controller is suitable for chargers in industrial vehicles, tools, and outdoor equipment exposed to harsh ambient conditions.
Recommended
Uninterruptible Power Supplies (UPS)
UPS designs combine an inverter, a PFC front end, and a battery converter, all of which the DSPIC33EP32GS202T-E/M6 can sequence and control. The interconnected high-speed PWM generates sinusoidal inverter modulation with dead-time control, while the ADC/PGA path samples output voltage and current for waveform regulation at 60 MIPS - sufficient for closed-loop control of a multi-kilohertz inverter with low total harmonic distortion. On-chip comparators provide hardware fast-trip protection for inverter faults, and the extended temperature grade supports cabinet-mounted electronics. The 32KB FLASH holds control law plus line/battery mode management, transfers, and host communication, consolidating functions previously split across a controller and supervisory MCU.
Recommended
Solar Micro-Inverters and MPPT Converters
Maximum power point tracking (MPPT) converters need simultaneous fast current-loop control and slower MPPT optimization - a natural division for this DSC. The interconnected high-speed PWM and ADC-with-PGA execute the inner boost/buck current loop deterministically each switching cycle, while the 60 MIPS core runs perturb-and-observe or incremental-conductance MPPT algorithms in the background. On-chip comparators protect against inductor overcurrent during irradiance transients, and the 32KB FLASH stores MPPT logic, safety checks, and communication (e.g., power-line or UART telemetry). The compact 4x4 mm UQFN fits panel-mounted micro-inverter and optimizer boards where board area and -40C to +85C+ ambient extremes are design constraints.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32GS202T-E/M6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64GS202T-E/M6 | DSPIC33EP32GS202T-I/M6 | DSPIC33EP16GS202T-E/M6 | DSPIC33EP16GS202-I/M6 |
|---|---|---|---|---|---|
| Package | 28-UQFN (4x4 mm) | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32KB (32K x 8) | 64KB | 32KB | 16KB | 16KB |
| Core / Performance | dsPIC33EP, 16-bit | dsPIC33EP, 16-bit | dsPIC33EP, 16-bit | dsPIC33EP, 16-bit | dsPIC33EP, 16-bit |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C |
| Power Peripherals (PWM/ADC+PGA/Comparators) | High-speed PWM, ADC with PGA, comparators | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Packaging | Tape & Reel (T suffix) | Tape & Reel | Tape & Reel | Tape & Reel | Tray (non-T) |
Key Differentiators
- Extended temperature range for harsh power environments (vs DSPIC33EP32GS202T-I/M6)
- Double the code space of the entry family member (vs DSPIC33EP16GS202T-E/M6)
- Balanced flash for cost vs headroom (vs DSPIC33EP64GS202T-E/M6)
Design Notes
The 28-UQFN (4x4 mm) package has an exposed thermal pad on the underside that must be soldered to a grounded copper pour. Use an array of thermal vias (typically 4-9) under the pad to tie the pour to internal ground planes; this grounds the die and improves heat spreading for the -40C to +125C E-grade operation. Follow Microchip's UQFN land-pattern recommendations for solder stencil apertures (approximately 50-60% coverage) to avoid solder voiding under the pad, which degrades both thermal and electrical performance in high-current digital power layouts.
In digital power designs, keep the ADC input traces from shunt sensors and voltage dividers short and away from PWM switching nodes, and trigger sampling synchronously with the high-speed PWM rather than free-running to avoid sampling during switching transitions. Place a local 100 nF ceramic capacitor within 2 mm of each VDD pin plus a 4.7-10 uF bulk capacitor nearby. Separate analog ground routing from the power-stage ground return and join them at a single point at the exposed pad to prevent switching currents from corrupting PGA/ADC readings.
Note that DigiKey and Mouser listings quote 60 MIPS and 70 MIPS respectively for this device - verify the exact maximum performance for your device speed grade against family datasheet DS70005208E before finalizing timing budgets. Also confirm the temperature suffix: the '-E' grade is -40C to +125C, while '-I' variants stop at +85C; substituting an -I part in a hot enclosure is a field-failure risk. Finally, flash size differs across family members (16/32/64KB) - link against the correct device when compiling to avoid exceeding program memory.
Compliance Information
Compliance statuses were not explicitly stated in the retrieved distributor data; consult Microchip's product page or environmental datasheet for certified RoHS/REACH status.
