DSPIC33EP16GS202-E/M6 - 16-Bit DSC, 16KB Flash, 70 MIPS | Microchip
MPN: DSPIC33EP16GS202-E/M6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.72 | $372.00 |
| 500 | $3.35 | $1,675.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33EP16GS202-E/M6 Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control behavior of a microcontroller. Within the power-management hierarchy, a DSC sits at the heart of closed-loop switched-mode power supplies (SMPS), replacing analog control loops with firmware-based compensators, PWM generation, and high-speed feedback sampling.
Key features include the interconnected high-speed PWM module with advanced edge and center-aligned modes, complementary outputs, dead-time insertion, and fault protection that are purpose-built for power conversion topologies such as buck, boost, LLC, and power factor correction. The device integrates a high-speed ADC with multiple sample-and-hold circuits and an on-chip DAC plus analog comparators, enabling extremely short conversion-to-response latency inside a single switching cycle. Peripheral Pin Select (PPS) allows flexible remapping of digital functions, and support for In-Circuit Serial Programming (ICSP) and IEEE 1149.2 compatible JTAG boundary scan simplifies development and production test.
Technically, the dsPIC33EP core executes an enhanced instruction set with DSP-oriented features including a barrel shifter, dual fetch, and single-cycle MAC operations, all clocked from an internal PLL that reaches the maximum core frequency from an economical external crystal. The core operates from a single 3.0V to 3.6V supply (nominal 3.3V). According to Microchip product data, the dsPIC33EP16GS202 is in production and the E-suffix variant is suited to harsh ambient environments; distributor listings also note AEC-Q100 automotive qualification for the family.
Typical applications include interleaved power factor correction (as demonstrated in Microchip's Interleaved PFC reference design for SMPS dsPIC DSCs), digital AC-DC and DC-DC converters, LED drivers, and battery chargers, where cycle-accurate PWM plus fast ADC feedback determines loop bandwidth and transient response.
A key design consideration: the exposed pad of the UQFN-28 package must be soldered to a grounded copper pour to achieve the rated thermal performance at +125C ambient operation.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet. Pricing is shown as of 2026-09-24.
Drop-in alternatives for DSPIC33EP16GS202-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 DSPIC33EP16GS202-E/M6 (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Program Memory (Flash), Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP16GS202-I/M6
✅ Drop-In✓ In Stock
$2.1 / Unit
View Datasheet →DSPIC33EP32GS202-E/M6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EP32GS202-I/M6
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →DSPIC33EP64GS202-E/M6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP16GS202-E/M6 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33EP DSC (CMOS) |
| Max Operating Speed | 70 MIPS (Mouser/Jotrin listing; DigiKey lists 60 MIPS at 60 MHz) |
| Program Memory (Flash) | 16KB (16K x 8) |
| Supply Voltage | 3.0 V to 3.6 V (nominal 3.3 V) |
| Operating Temperature | -40C to +125C (E suffix) |
| Package | 28-pin UQFN (4x4 mm) exposed pad, code M6 |
| Mounting Type | Surface Mount |
| PWM Module | Interconnected high-speed PWM for digital power (SMPS) |
| Analog Peripherals | High-Speed ADC, DAC, analog comparators, PGA |
| Digital Peripherals | Peripheral Pin Select (PPS), 5V-tolerant pins, open-drain/pull-up/pull-down I/O |
| Interrupts | External interrupts on all I/O pins |
| Debug/Program | ICSP, In-Application Programming, 3 program + 1 complex data breakpoints, JTAG (IEEE 1149.2 compatible) |
| Target Applications | Digital Power / SMPS (per Microchip product page) |
| Safety Classification | Functional Safety (FuSa) capable per DigiKey listing |
| Qualification | Automotive, AEC-Q100 (per distributor listing) |
DSPIC33EP16GS202-E/M6 28-pin uqfn (4x4 mm) exposed pad, code m6 Pin Configuration Guide
Pin configuration for DSPIC33EP16GS202-E/M6 (28-pin uqfn (4x4 mm) exposed pad, code m6 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/M6.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP16GS202-E/M6 is suitable for 6 applications: Interleaved Power Factor Correction (PFC), Digital AC-DC and DC-DC SMPS Converters, Automotive Power Conversion and Charging, Digital LED Drivers and Smart Lighting, Battery Chargers and Power Management, Industrial Motor Control and Digital Power Subsystems.
Interleaved Power Factor Correction (PFC)
The DSPIC33EP16GS202-E/M6 is a natural fit for interleaved PFC stages because its interconnected high-speed PWM can generate multiple phase-shifted, complementary outputs with dead-time control, while the high-speed ADC samples inductor current and bus voltage fast enough to close the current loop within each switching cycle. Microchip explicitly demonstrates this topology with an Interleaved Power Factor Correction reference design built on SMPS dsPIC DSCs, reducing development risk. The on-chip comparators provide cycle-by-cycle overcurrent protection independent of firmware latency, a safety requirement in offline converters. Running at up to 70 MIPS leaves ample arithmetic throughput for PI or 2p2z compensators implemented in fixed point. The 28-pin UQFN (4x4 mm) footprint keeps controller area small, which matters in high-density AC-DC front ends, and the -40C to +125C E-grade tolerates the elevated ambient near power stages.
Recommended
Digital AC-DC and DC-DC SMPS Converters
In digitally controlled AC-DC and DC-DC converters, the DSPIC33EP16GS202-E/M6 replaces analog control ICs with a firmware-defined control loop. Its interconnected high-speed PWM supports edge- and center-aligned operation with complementary outputs and hardware dead-time insertion, covering buck, boost, flyback, half-bridge, and LLC topologies. The high-speed ADC combined with on-chip DAC and comparators implements fast overcurrent and overvoltage protection paths that respond within the switching period, independent of software execution time. The 16-bit DSP core's single-cycle MAC and barrel shifter execute compensator equations efficiently at up to 70 MIPS. The 3.0V to 3.6V single-supply operation simplifies bias generation from an auxiliary winding, and ICSP allows firmware updates at end-of-line calibration, letting one hardware platform serve multiple output-voltage product variants.
Recommended
Automotive Power Conversion and Charging
Distributor data (Hotenda, DigiKey) lists the dsPIC33EP16GS202 family as automotive, AEC-Q100 designated, and the E/M6 ordering code carries the -40C to +125C extended temperature rating required under the hood and in on-board charger (OBC) environments. The device can implement control loops for auxiliary DC-DC converters, low-power OBC stages, and LED headlamp drivers, with PWM-triggered ADC sampling keeping current-loop latency inside one switching period. Functional Safety (FuSa) classification on DigiKey supports use in safety-relevant power paths when developed under the appropriate process. The 28-pin UQFN (4x4 mm) package conserves PCB area in space-constrained modules. Engineers should obtain the specific AEC-Q100 grade and PPAP documentation from Microchip for formal automotive programs before design freeze, since qualification documentation scope can vary by part number and manufacturing site.
Recommended
Digital LED Drivers and Smart Lighting
High-brightness LED drivers benefit from the DSPIC33EP16GS202-E/M6's combination of high-resolution PWM dimming, fast analog comparators for cycle-by-cycle current limiting, and a 12-bit-class high-speed ADC for output current regulation. Constant-current control is implemented in firmware, enabling dimming curves, temperature derating, and multi-string phase interleaving that reduces output ripple and EMI filter size. The DSP core at up to 70 MIPS has headroom to add communication protocols (DALI/DMX-style schemes) on the same controller. Peripheral Pin Select lets designers place PWM and communication functions on optimal PCB routing paths in compact luminaires. The -40C to +125C operating range suits enclosed fixtures where ambient temperature near the driver exceeds standard industrial ratings, improving lifetime reliability without a separate temperature-graded supervisor IC.
Recommended
Battery Chargers and Power Management
Multi-chemistry battery charging demands precise current and voltage regulation with staged charging profiles - exactly what a firmware-controlled DSC provides. The DSPIC33EP16GS202-E/M6's high-speed ADC monitors battery current and voltage continuously, while the high-speed PWM modulates the power stage through CC and CV phases with software-defined termination criteria. On-chip comparators give independent hardware overcurrent protection even if firmware faults. The DSP core executes coulomb counting and temperature-compensated charge algorithms without an external coprocessor, and the 16KB Flash accommodates typical charger state machines with headroom for diagnostics and logging. The UQFN-28 (4x4 mm) package fits portable and embedded charger PCBs, and ICSP in-application programming enables field updates to charging profiles as battery chemistry requirements evolve over the product lifetime.
Recommended
Industrial Motor Control and Digital Power Subsystems
Although optimized for SMPS, the dsPIC33EP16GS202-E/M6 also serves small motor control and industrial digital power subsystems where its interconnected PWM generates complementary three-phase or single-phase drive signals with hardware dead time, and the fast ADC samples phase currents for FOC-style or trapezoidal control at modest power levels. PPS allows flexible assignment of PWM, encoder, and communication pins to match existing PCB layouts. All I/O pins support external interrupts, giving fast reaction to limit-switch or fault events. The 16-bit DSP core with single-cycle MAC at up to 70 MIPS executes control mathematics deterministically. The -40C to +125C E-grade suits sealed industrial enclosures and DIN-rail environments, and JTAG boundary scan (IEEE 1149.2 compatible) plus three program breakpoints accelerate production test and in-circuit debugging during commissioning.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP16GS202-E/M6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP16GS202-I/M6 | DSPIC33EP32GS202-E/M6 | DSPIC33EP32GS202-I/M6 | DSPIC33EP64GS202-E/M6 |
|---|---|---|---|---|---|
| Package | 28-UQFN (4x4 mm) exposed pad, M6 | 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 Program Memory | 16KB (16K x 8) | 16KB | 32KB | 32KB | 64KB |
| Core Performance | Up to 70 MIPS (60 MIPS listed at 60 MHz by DigiKey) | Up to 70 MIPS | Up to 70 MIPS | Up to 70 MIPS | Up to 70 MIPS |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| Digital Power Peripherals (PWM/ADC/DAC/Comparators) | Interconnected high-speed PWM, high-speed ADC, DAC, comparators, PGA | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set |
| Drop-in Compatibility (same PCB footprint) | Reference (28-UQFN M6) | Yes - pin-to-pin | Yes - pin-to-pin | Yes - pin-to-pin | Yes - pin-to-pin (verify die) |
Key Differentiators
- Extended temperature range for harsh power environments (vs DSPIC33EP16GS202-I/M6)
- Doubling program memory without PCB change (vs DSPIC33EP16GS202-I/M6)
- Purpose-built digital power peripheral interconnect (vs Generic MCU alternatives (e.g., PIC16LF family))
Design Notes
The M6 package is a 28-pin UQFN (4x4 mm) with an exposed pad. Solder the exposed pad to a grounded copper pour with an array of thermal vias - this connection is both the primary thermal path for -40C to +125C operation and the low-inductance ground return for the fast PWM and ADC peripherals. Follow the UQFN land-pattern recommendation in the Microchip datasheet; insufficient exposed-pad wetting is the most common cause of intermittent ground faults on QFN-packaged DSCs in production.
The device operates from a single 3.0V to 3.6V rail (3.3V nominal). Decouple each VDD pin with 100 nF ceramic placed within 2 mm of the pin, plus bulk capacitance near the supply entry. The core regulator capacitor pin (VCAP-type) must use the exact capacitance specified in the datasheet - do not substitute. In digital power layouts, keep the controller's analog ground (ADC reference path) as a quiet island separated from PWM gate-drive return currents to preserve ADC accuracy.
ICSP programming requires a matched PGECx/PGEDx pair - e.g., if PGEC2 carries ICSPCLK, ICSPDAT must be on PGED2; mixing pairs from different indexes breaks programming. Reserve header access to at least one complete pair plus MCLR in production designs. When using Peripheral Pin Select, lock the configuration after initialization to prevent firmware errors from remapping critical PWM outputs - a fault that is dangerous in SMPS hardware.
Compliance Information
Distributor listings (Hotenda) designate the family as Automotive, AEC-Q100. RoHS/REACH/lead-free status must be confirmed on the official Microchip product page compliance documentation.
