DSPIC33EP16GS202-E/SS - 16-Bit 70MIPS Digital Power DSC | Microchip
MPN: DSPIC33EP16GS202-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.3 | $3.30 |
| 10 | $3.05 | $30.50 |
| 100 | $2.85 | $285.00 |
| 500 | $2.65 | $1,325.00 |
| 1,000 | $2.45 | $2,450.00 |
DSPIC33EP16GS202-E/SS Overview
A Digital Signal Controller combines the compute architecture of a digital signal processor (DSP) with the peripherals and ease of use of a microcontroller (MCU). In the power-management hierarchy, the dsPIC33EP16GS202 sits above general-purpose MCUs by adding DSP engine instructions, a barrel shifter, and dedicated digital-power peripherals, making it a single-chip replacement for discrete analog power-supply control loops.
Key features include the Interconnected High-Speed PWM module designed for switching power supplies, a high-speed ADC for fast feedback sampling, an on-chip DAC, analog comparators, and a Programmable Gain Amplifier (PGA). The device operates from a 3.0V to 3.6V supply (nominal 3.3V) and supports In-Circuit Serial Programming (ICSP) via any PGECx/PGEDx pin pair.
Architecturally, the dsPIC33E core features separate program and data memory spaces and buses (Harvard architecture), a 16-bit program memory width, and DSP multiply-accumulate capability, enabling deterministic control-loop execution for peak-current-mode and voltage-mode converters.
Typical applications include switched-mode power supply (SMPS) control, power factor correction (PFC) stages, digital LED drivers, and hashboard/supervisor control in computing hardware, where the part is widely used as the primary control MCU.
Design consideration: use MPLAB X with the PICkit or SNAP programmer, and always pair PGEC and PGED pins as a matched pair for ICSP.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP16GS202-E/SS — 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 DSPIC33EP16GS202-E/SS (same form factor and footprint) — differing in Operating Temperature, Package, Core, Program Memory Size, Programming.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP16GS202-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.79 / Unit
View Datasheet →DSPIC33EP32GS202-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.2 / Unit
View Datasheet →DSPIC33EP64GS202-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP16GS502-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32GS502-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP16GS202-E/SS Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E, 16-bit |
| Maximum MIPS | 70 MIPS |
| Flash Program Memory | 16 KB (16K x 8) |
| Program Memory Width | 16-bit |
| Supply Voltage Range | 3.0 V to 3.6 V (nominal 3.3 V) |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-SSOP |
| Mounting Type | Surface Mount |
| PWM | Interconnected High-Speed PWM (digital power) |
| ADC | High-Speed ADC |
| DAC | Yes, on-chip |
| Comparators | Yes, on-chip |
| Programmable Gain Amplifier | Yes, on-chip PGA |
| DSP Features | Barrel shifter, DSP engine |
| Programming | ICSP via PGECx/PGEDx pairs |
| Status | In Production |
DSPIC33EP16GS202-E/SS 28-ssop Pin Configuration Guide
Pin configuration for DSPIC33EP16GS202-E/SS (28-ssop 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/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP16GS202-E/SS is suitable for 6 applications: Switch-Mode Power Supply (SMPS) Control, Power Factor Correction (PFC), Digital LED Lighting Drivers, Antminer Hashboard Supervision, Battery Chargers and DC-DC Modules, Industrial Embedded Control and Sensing.
Switch-Mode Power Supply (SMPS) Control
The DSPIC33EP16GS202-E/SS is purpose-built for digitally controlled SMPS designs. Its Interconnected High-Speed PWM module provides phase-shifted, complementary, and adaptive dead-time outputs needed for buck, boost, half-bridge, and full-bridge converters, while the high-speed ADC samples output voltage and inductor current fast enough for closed-loop bandwidths of tens of kilohertz. On-chip comparators support cycle-by-cycle current limiting without CPU intervention, and the DAC provides programmable reference thresholds. Running at 70 MIPS, the core executes proportional-integral control laws deterministically. Placed as the sole controller for a 3.3V-supplied converter front end, it replaces discrete analog controllers and enables firmware-tunable compensation, telemetry via UART, and field updates - key advantages in server and telecom power where efficiency reporting is mandatory.
Recommended
Power Factor Correction (PFC)
For interleaved power factor correction stages, Microchip provides a reference design specifically evaluating SMPS dsPIC DSCs, and the GS202's peripheral set matches PFC requirements directly. The high-speed ADC synchronizes to the PWM period to sample input and output voltages plus inductor current at consistent points in each switching cycle, which is essential for average-current-mode PFC control. The Interconnected High-Speed PWM generates the interleaved phase outputs with precise phase offsets, reducing input ripple current and filter size. At 70 MIPS, the dsPIC33E core runs the control loop plus input-voltage feedforward computations with margin to spare. The -40C to +125C E-grade temperature rating accommodates the hot environment near PFC inductors and bridge rectifiers in AC-DC front ends.
Recommended
Digital LED Lighting Drivers
Digital LED drivers benefit from the GS202's combination of high-resolution PWM control, fast current-sense feedback, and communication peripherals. The Interconnected High-Speed PWM supports multi-channel outputs for dimming and color-mixing topologies, while the on-chip comparators and DAC implement fast over-current protection to protect LED strings during faults. The high-speed ADC closes the current-regulation loop at switching frequency, achieving stable LED current without flicker. Its 3.0V to 3.6V operation matches standard 3.3V logic rails, simplifying integration with wireless modules or touch controllers. The extended -40C to +125C range suits enclosed luminaires where ambient temperatures are elevated. Firmware-based control also enables configurable dimming curves, DALI/UART protocol bridges, and adaptive thermal derating without hardware changes.
Recommended
Antminer Hashboard Supervision
The DSPIC33EP16GS202-E/SS is the hashboard supervisor MCU across the legacy Antminer T9+, S17, S15, S11, and T17 generations, making it a high-demand part for mining-hardware repair and refurbishment. In this role it manages hashboard power sequencing, monitors voltage and temperature via its ADC, drives the Interconnected PWM for the working-supply regulator, and communicates board status to the main controller. Repair technicians use the -E/SS as a drop-in replacement for failed MCUs, reprogramming it through ICSP with a matched PGECx/PGEDx pair. The 16 KB Flash accommodates the supervisor firmware, and the extended temperature rating withstands the elevated ambient inside miner chassis. Availability from DigiKey, LCSC, and MicrochipDirect keeps repair operations supplied.
Recommended
Battery Chargers and DC-DC Modules
Smart battery chargers and isolated DC-DC modules use the GS202 to implement charge-profile state machines plus the switching regulation loop in one chip. The high-speed ADC tracks battery voltage, current, and temperature (via the PGA for small shunt signals), while comparators with DAC references provide autonomous fast-fault trip points. The Interconnected High-Speed PWM supports synchronous buck charging with adaptive dead time for high efficiency across CC, CV, and trickle phases. At 70 MIPS, the core simultaneously handles charging algorithms, CAN/UART telemetry, and safety supervision. The 28-SSOP package with -40C to +125C operation fits compact automotive-adjacent and industrial chargers. Firmware control enables field-updatable charge profiles for new battery chemistries without redesigning analog compensation networks.
Recommended
Industrial Embedded Control and Sensing
Beyond pure power conversion, the GS202 serves as an industrial embedded controller where DSP-class signal processing and power control coexist. The barrel shifter and DSP engine accelerate digital filtering of sensor data, the PGA amplifies small transducer signals before the high-speed ADC, and on-chip DACs generate analog setpoints or waveforms. Typical uses include programmable power supplies, welding and plasma equipment control, HVAC variable-speed front ends, and instrumentation requiring synchronized PWM-ADC sampling. The 3.3V supply, 28-pin SSOP footprint, and ICSP field programmability simplify board integration and manufacturing. Designers who later need more code space can migrate to the pin-compatible DSPIC33EP32GS202-E/SS or DSPIC33EP64GS202-E/SS without PCB changes, protecting the investment across product revisions.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP16GS202-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP16GS202-I/SS | DSPIC33EP32GS202-E/SS | DSPIC33EP64GS202-E/SS | DSPIC33EP16GS502-E/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 32 KB | 64 KB | 16 KB |
| Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Digital-Power Peripherals | High-Speed PWM, HS ADC, DAC, comparators, PGA | Identical (same die) | Identical | Identical | GS502 peripheral set - verify mapping |
| Pin Compatibility | Reference (28-SSOP) | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin identical | Pin-to-pin (verify in datasheet) |
Key Differentiators
- Extended temperature grade (vs DSPIC33EP16GS202-I/SS)
- Minimal cost for digital power control (vs DSPIC33EP64GS202-E/SS)
- Integrated digital-power analog front end (vs DSPIC33EP16GS502-E/SS)
Design Notes
ICSP programming requires a matched PGECx/PGEDx pair: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2, per the Microchip dsPIC33EP16GS202 programming notes (northernsoftware.com ICSP connection guide). Include a standard 5-pin (MCLR, VDD, GND, PGD, PGC) programming header on every production PCB, and keep these traces short and away from PWM switching nodes to avoid programming errors and noise coupling into the debug path.
Supply the DSC from a clean 3.3V rail (3.0V to 3.6V per the Microchip USA device summary). Decouple each VDD pin with 100 nF ceramics placed within 2 mm, plus one 4.7-10 uF bulk capacitor per rail. Because this controller generates high-speed PWM edges driving power MOSFET gates, isolate the analog reference (VREF) with an RC filter or dedicated LDO so PWM gate-charge transients do not corrupt high-speed ADC readings in the control loop.
Do not confuse package suffixes when sourcing: -SS is 28-SSOP, -MM is QFN (different footprint, not drop-in), -SP is SPDIP, and -E versus -I denotes the -40C to +125C versus -40C to +85C temperature grade. Ordering -I for a +105C ambient design will cause field failures. Also confirm MCLR pull-up (4.7-10 k-ohm) is present; a floating MCLR is a frequent cause of erratic resets in digital-power prototypes.
Compliance Information
Compliance details not explicitly stated in the provided web data. Modern Microchip dsPIC33EP production parts are generally RoHS-compliant, but verify on the official Microchip product page before procurement.
