DSPIC33EP16GS202-E/MM - 16-Bit 60MIPS DSC | Microchip
MPN: DSPIC33EP16GS202-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.33 | $3.33 |
| 10 | $3.05 | $30.50 |
| 100 | $2.8 | $280.00 |
| 500 | $2.55 | $1,275.00 |
| 1,000 | $2.3 | $2,300.00 |
DSPIC33EP16GS202-E/MM Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management hierarchy, a DSC sits above a general-purpose MCU in math throughput, making it a common choice as the control IC in switch-mode power supplies (SMPS), power factor correction stages, and closed-loop digital control systems.
Key features of this GS-series part include the dsPIC33EP core with DSP engine, an on-chip high-speed 12-bit ADC tailored for power-conversion feedback loops, a DAC, multiple PWM (Power PWM) modules for switcher control, and AEC-Q100 qualification for automotive environments. The device operates from a 3.3 V supply, and the family data sheet (DS70005208E, 344 pages) documents the separate program and data memory spaces and buses that underpin the 16-bit architecture.
Technically, the dsPIC33EPXXGS202 family targets digital power applications: fast ADC sampling synchronized to PWM events enables current-mode control at switching frequencies typical of modern SMPS designs, while hardware DSP multiply-accumulate instructions offload loop-filter arithmetic from software. The exposed-pad QFN package provides low-inductance grounding, important for noisy power electronics.
Typical applications include AC-DC and DC-DC power supplies, interleaved power factor correction (PFC) - Microchip publishes an Interleaved PFC reference design for this controller producing up to 350 W from universal input - LED drivers, and automotive auxiliary power systems.
A key design consideration is thermal: in extended-temperature (-40C to +125C) designs, verify junction temperature using the exposed pad, which must be soldered to a grounded copper pour for reliable heat transfer.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet alone, adding value for sourcing and design engineers.
Drop-in alternatives for DSPIC33EP16GS202-E/MM — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32GS202-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64GS202-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP16GS202-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP16GS202-E/MM Maximum Ratings & Electrical Characteristics
| Core | dsPIC 33EP, 16-bit DSC |
| Max MIPS | 60 MIPS |
| Program Memory Size | 16 KB (16K x 8) Flash |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C |
| Package | 28-QFN-S (6x6 mm), exposed pad |
| Mounting Type | Surface Mount |
| Qualification | Automotive, AEC-Q100 |
| Safety Feature | Functional Safety (FuSa) |
| ADC | High-speed 12-bit ADC |
| DAC | On-chip DAC |
| Application Focus | Digital Power SMPS |
| Architecture | Separate program and data memory spaces and buses |
DSPIC33EP16GS202-E/MM 28-qfn-s (6x6 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP16GS202-E/MM (28-qfn-s (6x6 mm), exposed pad 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 DSPIC33EP16GS202-E/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP16GS202-E/MM is suitable for 6 applications: Switch-Mode Power Supplies (SMPS), Interleaved Power Factor Correction (PFC), Automotive Power Electronics, Digital LED Drivers, Battery Chargers and DC-DC Converters, Closed-Loop Industrial Control and Instrumentation.
Switch-Mode Power Supplies (SMPS)
The DSPIC33EP16GS202-E/MM is purpose-built for digitally controlled switch-mode power supplies. Its high-speed 12-bit ADC samples feedback current and voltage with timing synchronized to the Power PWM peripherals, enabling peak and average current-mode control loops executed at switching frequencies common in AC-DC and DC-DC converters. The on-chip DAC supports programmable reference and compensation functions, while the 60 MIPS DSP core runs loop-filter arithmetic in hardware multiply-accumulate instructions with deterministic latency. The 28-QFN-S exposed-pad package grounds tightly to the power stage, reducing noise coupling into analog feedback. Microchip classifies this family explicitly for Digital Power SMPS applications with High Speed ADC and DAC support.
Recommended
Interleaved Power Factor Correction (PFC)
Microchip's Interleaved PFC reference design uses a GS-series SMPS dsPIC DSC to convert universal AC input into a single high-voltage DC output of up to 350 W. The DSPIC33EP16GS202-E/MM suits this role because its fast ADC captures inductor current per switching phase and its multiple PWM outputs drive interleaved converter legs with precise phase offset, spreading input ripple current and reducing EMI filter size. The 60 MIPS core implements average current-mode control and feedforward calculations in real time. The -40C to +125C operating range and AEC-Q100 qualification extend suitability into automotive and industrial PFC front ends where thermal margins and quality systems matter.
Recommended
Automotive Power Electronics
With AEC-Q100 qualification, Functional Safety (FuSa) support, and -40C to +125C temperature capability, the DSPIC33EP16GS202-E/MM fits automotive auxiliary power converters, LED headlights, and on-board charger sub-functions. The 3.3 V controller supervises switching stages over CAN-adjacent environments while its high-speed ADC protects against overcurrent and overvoltage events with microsecond-level response. The extended-temperature -E grade eliminates derating concerns in under-hood-adjacent zones. Designers should solder the exposed pad to a substantial ground pour to remove heat generated by the core at 60 MIPS and by nearby power components, and should obtain Microchip's FuSa documentation package for safety analyses required by automotive development processes.
Recommended
Digital LED Drivers
Digitally controlled LED drivers benefit from the DSPIC33EP16GS202-E/MM's combination of Power PWM modules, 12-bit ADC current sensing, and DAC-based programmable thresholds. Constant-current regulation is implemented as a fast inner loop synchronized to the PWM period, while the DSP core manages dimming curves, temperature derating, and fault logging. The 60 MIPS throughput leaves headroom for communication and diagnostics alongside the control loop. The compact 28-QFN-S 6x6 mm footprint suits driver boards embedded in luminaires, and the -40C to +125C range covers enclosed fixtures with elevated ambient temperatures. Compared with analog controller ICs, firmware control enables adaptive compensation and tunable dimming profiles without hardware changes.
Recommended
Battery Chargers and DC-DC Converters
Battery charging algorithms - CC/CV phases, termination detection, and thermal supervision - map naturally onto the DSPIC33EP16GS202-E/MM: the high-speed ADC tracks current and voltage, the DAC and comparators support fast protection thresholds, and PWM outputs drive buck or flyback power stages. The 60 MIPS DSP engine executes charging state machines and loop filters concurrently with housekeeping tasks. Charging a lithium pack from a wide-range input often pairs this controller with an interleaved or synchronous buck stage, where ADC-PWM synchronization prevents switching-noise corruption of sense readings. The AEC-Q100 grade and Functional Safety support also qualify the design path for automotive and industrial charger products requiring documented development flows.
Recommended
Closed-Loop Industrial Control and Instrumentation
Beyond power conversion, the DSPIC33EP16GS202-E/MM serves as a compact closed-loop controller in industrial equipment: its 16-bit DSP core with hardware multiply-accumulate executes PID and filter algorithms deterministically at 60 MIPS, while the 12-bit ADC and DAC interface sensors and actuators. The 28-QFN-S exposed-pad package withstands vibration better than larger through-hole alternatives and its -40C to +125C range covers unconditioned factory environments. Typical roles include variable-speed fan or pump control, temperature process loops with PWM-driven heaters, and sensor conditioning where DSP filtering improves signal-to-noise. The 16 KB Flash accommodates focused single-loop firmware; use the pin-compatible 32 KB or 64 KB variants when adding communication stacks or multi-loop logic.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP16GS202-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GS202-E/MM | DSPIC33EP64GS202-E/MM | DSPIC33EP16GS202-I/MM |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN-S (6x6 mm), exposed pad | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Program Memory (Flash) | 16 KB (16K x 8) | 32 KB | 64 KB | 16 KB (16K x 8) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C |
| Automotive Qualification | AEC-Q100 | AEC-Q100 (E-grade) | AEC-Q100 (E-grade) | Industrial grade |
| Peripherals (ADC/DAC/PWM) | High-speed 12-bit ADC, DAC, Power PWM | Same peripheral set | Same peripheral set | Same peripheral set |
Key Differentiators
- Extended temperature range with automotive qualification (vs DSPIC33EP16GS202-I/MM)
- Lowest-cost entry into the GS digital-power family (vs DSPIC33EP64GS202-E/MM)
- Memory headroom without redesign (vs DSPIC33EP32GS202-E/MM)
Design Notes
The 28-QFN-S exposed pad is the primary thermal path for this -E grade (-40C to +125C) part. Estimated: at 60 MIPS the core draws several tens of milliamperes from 3.3 V, giving roughly 100-200 mW internal dissipation - modest on its own, but when the controller sits near hot power stages on a crowded SMPS board, local ambient can exceed +85C. Solder the exposed pad to a grounded copper pour of at least a few square centimeters with thermal vias to inner layers, and verify junction temperature against the datasheet thermal resistances using your measured board conditions.
Place 0.1 uF ceramic decoupling capacitors at each VDD/VSS pin pair within 2-3 mm of the pins, plus a bulk 4.7-10 uF capacitor near the device. Because this controller is usually located next to switching MOSFETs in SMPS designs, guard the ADC sense routing: use kelvin connections to shunt resistors, keep analog traces away from PWM gate-drive loops, and exploit the exposed pad as a low-inductance ground reference. The QFN-28 package requires accurate land-pattern alignment; inspect paste aperture design to avoid solder bridging under the body.
Note the MIPS discrepancy across distributor listings: DigiKey specifies 60 MIPS while Mouser cites 70 MIPS for the family. Configure the oscillator/PLL per family datasheet DS70005208E and validate the achievable core frequency at 3.3 V in hardware before committing timing budgets. Also remember this is a 'GS' digital-power variant - ADC, DAC, and PWM resources differ from GP/MC dsPIC33EP parts sharing the same package, so do not assume drop-in firmware portability across series without reviewing the peripheral register map.
Compliance Information
AEC-Q100 automotive qualification confirmed via DigiKey and Hotenda listings. RoHS/REACH/lead-free status not stated in the provided data - verify on Microchip's official product page.
