DSPIC33EP16GS202T-I/SS - 16-Bit 70MIPS DSC 16KB Flash | Microchip
Référence : DSPIC33EP16GS202T-I/SS ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.12 | $5,12 |
| 10 | $4.62 | $46,20 |
| 100 | $4.15 | $415,00 |
| 500 | $3.86 | $1 930,00 |
| 1 000 | $3.58 | $3 580,00 |
DSPIC33EP16GS202T-I/SS Présentation
A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP core, occupying the mid-tier of the embedded hierarchy: DSC -> microcontroller/DSP -> embedded processor. The dsPIC33EP GS family was architected specifically for digital power and power-conversion applications, integrating dedicated SMPS peripherals alongside standard mixed-signal blocks.
Key features include a 16-bit modified Harvard architecture with DSP engine (barrel shifter, 17x17 hardware multiplier, 40-bit accumulator), on-chip high-speed PWM modules with complementary outputs and fault inputs for switch-mode power supply control, and multiple ADC channels for real-time current and voltage feedback. The family is also offered in Functional Safety (FuSa) variants, supporting safety-oriented designs.
Architecturally, the GS202 separates program and data memory spaces with dedicated buses, allowing simultaneous instruction fetch and data access. The DSP instructions execute in a single cycle, enabling control-loop rates in the hundreds of kilohertz range that closed-loop digital power supplies demand. Programming and debug use the standard In-Circuit Serial Programming (ICSP) interface shared across the family (see the family Flash Programming Specification, DS70005192B).
Typical applications include interleaved power factor correction (Microchip's 350W Interleaved PFC reference design targets this family), DC-DC converter digital control, LED lighting drivers, AC-DC adapters, and battery chargers.
When designing with this device, budget PWM resolution against the converter switching frequency and verify Flash capacity, since 16KB suits compact control loops but not complex communication stacks.
This page synthesizes distributor stock data, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33EP16GS202T-I/SS — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33EP16GS202T-I/SS (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Core Architecture, Application Focus, Functional Safety Support.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP16GS202-I/SS
✅ Remplacement direct✓ En stock
$2.79 / unité
Voir la fiche technique →DSPIC33EP16GS202T-E/SS
✅ Remplacement direct✓ En stock
$3.05 / unité
Voir la fiche technique →DSPIC33EP32GS202T-I/SS
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.68 / unité
Voir la fiche technique →DSPIC33EP64GS202T-I/SS
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP32GS202T-E/SS
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.1 / unité
Voir la fiche technique →DSPIC33EP16GS202T-I/SS Valeurs maximales et caractéristiques électriques
| Core Processor | dsPIC33E (16-bit DSC) |
| Core Size | 16-bit |
| Speed | 70 MIPS |
| Program Memory Size | 16KB (16K x 8) Flash |
| Tension d'alimentation | 3.3 V |
| Température de fonctionnement | -40C to +85C (I grade) |
| Boîtier | 28-SSOP (0.209 in, 5.30 mm width) |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Series | dsPIC33 33EP, Functional Safety (FuSa) |
| Application Focus | Digital power (SMPS) applications |
| Peripherals | High-speed PWM, SMPS-optimized peripherals |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Architecture | Modified Harvard, separate program/data buses, DSP engine |
Configuration des broches de DSPIC33EP16GS202T-I/SS
| Broche 1 | MCLR — Master clear reset (external reset input, programming voltage) |
| Broche 2 | AN0/VREF+/RB0 — Analog input 0 / ADC positive voltage reference / port B bit 0 |
| Broche 3 | AN1/VREF-/RB1 — Analog input 1 / ADC negative voltage reference / port B bit 1 |
| Broche 4 | AN2/SS1/RB2 — Analog input 2 / SPI slave select 1 / port B bit 2 |
| Broche 5 | AN3/INDX/RB3 — Analog input 3 / encoder index input / port B bit 3 |
| Broche 6 | AN4/QEA/RB4 — Analog input 4 / quadrature encoder input A / port B bit 4 |
| Broche 7 | VDD — Positive supply (3.3V) |
| Broche 8 | VSS — Ground reference |
| Broche 9 | AN5/QEB/RB5 — Analog input 5 / quadrature encoder input B / port B bit 5 |
| Broche 10 | AN6/FLTA/RB6 — Analog input 6 / PWM fault input A / port B bit 6 |
| Broche 11 | AN7/FLTB/RB7 — Analog input 7 / PWM fault input B / port B bit 7 |
| Broche 12 | AN8/SYNCI1/RB8 — Analog input 8 / synchronous rectification drive 1 / port B bit 8 |
| Broche 13 | AN9/SYNCI2/RB9 — Analog input 9 / synchronous rectification drive 2 / port B bit 9 |
| Broche 14 | AN10/RB10 — Analog input 10 / port B bit 10 |
| Broche 15 | AN11/RB11 — Analog input 11 / port B bit 11 |
| Broche 16 | AN12/PWM1L/RB12 — Analog input 12 / PWM1 low-side output / port B bit 12 |
| Broche 17 | AN13/PWM1H/RB13 — Analog input 13 / PWM1 high-side output / port B bit 13 |
| Broche 18 | VSS — Ground reference |
| Broche 19 | AN14/PWM2L/RB14 — Analog input 14 / PWM2 low-side output / port B bit 14 |
| Broche 20 | AN15/PWM2H/RB15 — Analog input 15 / PWM2 high-side output / port B bit 15 |
| Broche 21 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Broche 22 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output / port C bit 15 |
| Broche 23 | VDD — Positive supply (3.3V) |
| Broche 24 | PGD1/RP1 — In-circuit debug/programming data / remappable peripheral pin 1 |
| Broche 25 | PGC1/RP2 — In-circuit debug/programming clock / remappable peripheral pin 2 |
| Broche 26 | RP3 — Remappable peripheral pin 3 (UART/SPI/I2C/PWM mapping) |
| Broche 27 | RP0 — Remappable peripheral pin 0 (UART/SPI/I2C/PWM mapping) |
| Broche 28 | VDD — Positive supply (3.3V) |
Applications typiques
DSPIC33EP16GS202T-I/SS convient pour 6 applications: Interleaved Power Factor Correction, Digital DC-DC Converter Control, LED Driver and Smart Lighting Power, AC-DC Adapter and Charger Control, Industrial Motor Starters and Power Supplies, Embedded Digital Power Development and Prototyping.
Interleaved Power Factor Correction
The DSPIC33EP16GS202T-I/SS is the control heart of Microchip's Interleaved PFC reference design, which accepts universal AC input and produces a regulated high-voltage DC output up to 350W. Its 70 MIPS DSP core executes the inner current loop and outer voltage loop at switching-relevant rates, while the SMPS-optimized high-speed PWM generates interleaved phase-shifted gate drives with cycle-by-cycle current limit via fault inputs. The 16KB Flash accommodates the PFC control firmware, housekeeping, and protection state machines. Placed on the control side of the boost stage with ADC feedback on inductor current and bus voltage, the DSC achieves power factor above typical passive solutions while adding programmable protection that analog controllers cannot offer.
Recommandé
Digital DC-DC Converter Control
For synchronous buck, boost, and half-bridge converters, the DSPIC33EP16GS202T-I/SS replaces analog PWM controllers with a fully programmable control loop. The high-speed PWM module provides complementary outputs with programmable dead time, and the ADC samples output voltage and inductor current each switching cycle; at 70 MIPS the DSP engine closes voltage-mode or average-current-mode loops in the hundreds of kHz range. The 3.3V supply interfaces directly with feedback dividers and gate-driver logic inputs. Because compensation networks live in firmware, designers can retune loop response or add nonlinear and adaptive control without hardware changes - the principal advantage over fixed analog compensators in multiprototype power development.
Recommandé
LED Driver and Smart Lighting Power
Digital LED drivers benefit from the DSPIC33EP16GS202T-I/SS's combination of SMPS PWM channels and DSP arithmetic for constant-current regulation, dimming (PWM and analog dimming), and fault detection including open/short LED string conditions. The 16KB Flash holds the switching control loop plus communication and dimming-curve logic, while the 28-pin SSOP keeps the controller footprint small on LED driver boards where space is constrained. The -40C to +85C industrial range covers outdoor luminaire driver enclosures. Firmware-based control lets one PCB serve multiple output-current or dimming-protocol variants, reducing SKU proliferation in lighting product families.
Recommandé
AC-DC Adapter and Charger Control
Flyback and LLC converters in adapters and battery chargers use the DSPIC33EP16GS202T-I/SS for primary-side or secondary-side digital regulation. The fault inputs tied to the high-speed PWM enable hardware-level cycle-by-cycle current limiting for fast short-circuit response, while firmware handles charging state machines (CC/CV profiles, termination, safety timers) and standards compliance logic. The 70 MIPS core sustains both the control loop and the supervisory tasks concurrently. The 3.3V rail simplifies integration with auxiliary bias supplies, and the 16KB Flash typically suffices for charger firmware, making this MPN a cost-optimized digital replacement for quasi-resonant analog controller ICs.
Recommandé
Industrial Motor Starters and Power Supplies
Within industrial automation panels, the DSPIC33EP16GS202T-I/SS supervises auxiliary switched-mode power supplies, precharge circuits, and small motor drive auxiliaries. The -40C to +85C industrial rating matches cabinet environments, and the FuSa (Functional Safety) family designation supports safety-oriented architectures where documented development flows are required. Its 28-SSOP through-friendly footprint suits both new designs and drop-in redesigns of legacy analog power boards. The DSP engine handles current-loop control at kHz rates while firmware adds diagnostics - input supervision, temperature derating, and fault logging - that analog control boards implement with many additional discrete components, reducing BOM count and panel rework.
Recommandé
Embedded Digital Power Development and Prototyping
For R&D teams building digital power platforms, the DSPIC33EP16GS202T-I/SS in Tape-and-Reel suits pilot production while its siblings cover the full development flow: Microchip provides the 350W Interleaved PFC reference design, the dsPIC33EPXXGS202 Flash Programming Specification (DS70005192B) documents ICSP programming, and the family datasheet (DS70005208E) documents all peripherals. Because the GS202 family spans 16KB/32KB/64KB Flash in identical 28-pin footprints, prototypes on the 16KB part migrate to higher-memory production parts with zero PCB respin. This scalable footprint strategy is the key reason power-electronics teams standardize on the GS202 family for their controller socket.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP16GS202T-I/SS — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP16GS202-I/SS | DSPIC33EP16GS202T-E/SS | DSPIC33EP32GS202T-I/SS | DSPIC33EP64GS202T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 16KB (16K x 8) | 16KB | 16KB | 32KB | 64KB |
| Core Performance | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) |
| Packaging Method | Tape & Reel (T) | Tube / cut tape | Tape & Reel | Tape & Reel | Tape & Reel |
| Application Focus | Digital power / SMPS (FuSa family) | Digital power / SMPS | Digital power, high-temp | Digital power, firmware-rich | Digital power, max headroom |
Principaux différenciateurs
- Purpose-built SMPS peripheral set (vs DSPIC33EP16GS202-I/SS (vs generic MCU alternatives such as PIC16LF1783-I/SS))
- Extended-temperature drop-in option (vs DSPIC33EP16GS202T-E/SS)
- Memory scalability without respin (vs DSPIC33EP32GS202T-I/SS and DSPIC33EP64GS202T-I/SS)
Notes de conception
Decouple each VDD pin (7, 23, 28) with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the device. The 28-SSOP exposed-leadframe design has no thermal pad, so ground return quality depends on a solid VSS plane connecting pins 8 and 18; do not share the digital power ground with high-current converter power ground at the controller - use a single star point per standard digital-power layout practice. Keep the PWM output traces (RB12-RB15) short and away from ADC input traces (AN0-AN15) to prevent gate-drive switching coupling into feedback sampling.
MCLR (pin 1) is used for ICSP programming and high-voltage entry; do not load it with heavy pull-downs or large capacitors, which block debugger communication - Microchip's programming specification (DS70005192B) defines the required circuit. Also remember this is a 3.3V-only device: 5V logic on PGC/PGD or peripheral pins will latch-damage I/O. When mapping peripherals via the PPS (peripheral pin select) feature on RPx pins, lock the mapping registers after configuration to prevent errant firmware writes.
Estimated: at 70 MIPS with all SMPS peripherals active, core current is typically in the tens-of-milliamps range (exact figure in the family datasheet electrical characteristics); budget the 3.3V rail accordingly including I/O source current for MOSFET driver inputs. For high switching frequencies, synchronize the PWM time base and ADC sampling so that current sampling occurs away from switch-node transitions, minimizing effective series-noise in the control loop and improving measurement SNR.
Informations de conformité
Provided web data does not include explicit compliance statements for this MPN. The -I grade is an industrial part, not automotive-qualified. Verify RoHS/REACH certificates on Microchip's official product page for the specific date code.
