DSPIC33FJ32GS608-E/PT - 16-bit DSC 40MIPS 32KB Flash | Microchip
N.º da peça: DSPIC33FJ32GS608-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.2 | $6,20 |
| 10 | $5.65 | $56,50 |
| 100 | $4.95 | $495,00 |
| 500 | $4.42 | $2.210,00 |
| 1.000 | $3.98 | $3.980,00 |
DSPIC33FJ32GS608-E/PT Visão geral
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU) in a single chip. Within the power-management hierarchy, the dsPIC33FJ GS family sits between general-purpose MCUs and dedicated digital power ICs: it executes control loops (PI, predictive) for switch-mode power conversion while simultaneously handling housekeeping, communication and protection functions. The GS (Digital Power) variant of the dsPIC33F line adds peripherals purpose-built for SMPS control.
Key features include up to four high-speed analog comparators with direct connection to the PWM module for sub-cycle current limiting, a high-resolution high-speed PWM capable of independent half-bridge, full-bridge and push-pull topologies, a fast 10-bit ADC, and 35 I/O ports. Supply voltage spans 3.0 V to 3.6 V, and the core executes the modified Harvard 16-bit DSP instruction set with DSP multiply-accumulate support.
Architecturally, the device uses CMOS technology with a two-pipeline 16-bit core, vectored interrupts, and hardware loop support, enabling deterministic single-cycle MAC operations critical for digital power loops at tens to hundreds of kilohertz switching frequencies. The comparator-to-PWM direct path achieves current-limit trip faster than any software interrupt path, a decisive advantage in overcurrent protection.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), inverters and battery chargers. The -E extended temperature option and 80-pin package with 35 I/O also suit industrial control and motor drive panels.
Design consideration: the 3.0 V to 3.6 V supply requires a clean 3.3 V rail; pair the device with a small LDO and keep the analog supply (AVDD) filtered separately from the digital rail for ADC accuracy.
This page synthesizes distributor pricing, drop-in family alternatives, design notes and application guidance not found in a single manufacturer source.
Alternativas drop-in para DSPIC33FJ32GS608-E/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSPIC33FJ32GS608-E/PT (mesmo formato e footprint) — diferindo em ADC, Operating Temperature, Core Architecture, High-Speed Comparators, PWM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33FJ64GS608-E/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ32GS608-50E/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ32GS608-50I/PT
✅ Drop-In✓ Em estoque
$5.35 / unidade
Ver ficha técnica →DSPIC33FJ64GS608-50E/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ32GS608-E/PT Classificações máximas e características elétricas
| Core Architecture | 16-bit dsPIC33F DSC (modified Harvard) |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 32 KB |
| Tensão de alimentação | 3.0 V to 3.6 V |
| I/O Ports | 35 |
| Encapsulamento | 80-pin TQFP (12 x 12 mm), 0.5 mm pitch |
| Temperatura de operação | -40C to +125C (extended, E suffix) |
| Tipo de montagem | Surface Mount |
| High-Speed Comparators | Up to 4, direct PWM connection |
| PWM | High-Speed PWM for SMPS (complementary/edge-aligned modes) |
| ADC | 10-bit, high-speed |
| ROM Type | Flash (self-programmable) |
| Technology | CMOS |
| Programming/Debug | ICSP via any PGECx/PGEDx pair (used as a pair) |
| Target Applications | AC-DC, DC-DC, PFC, UPS, digital power conversion |
| Lead Finish | Lead free (per package description) |
Configuração de pinos do DSPIC33FJ32GS608-E/PT
| Pino 1 | MCLR — Master clear reset / programming voltage input |
| Pino 2 | AN0/VREF+/RB0 — Analog input 0 / positive ADC reference / PORTB I/O |
| Pino 3 | AN1/VREF-/RB1 — Analog input 1 / negative ADC reference / PORTB I/O |
| Pino 4 | AN2/RB2 — Analog input 2 / PORTB I/O |
| Pino 5 | AN3/RB3 — Analog input 3 / PORTB I/O |
| Pino 6 | AN4/RB4 — Analog input 4 / PORTB I/O |
| Pino 7 | AN5/RB5 — Analog input 5 / PORTB I/O |
| Pino 8 | AN6/RB6 — Analog input 6 / PORTB I/O |
| Pino 9 | AN7/RB7 — Analog input 7 / PORTB I/O |
| Pino 10 | AN8/RB8 — Analog input 8 / PORTB I/O |
| Pino 11 | AN9/RB9 — Analog input 9 / PORTB I/O |
| Pino 12 | AN10/RB10 — Analog input 10 / PORTB I/O |
| Pino 13 | AN11/RB11 — Analog input 11 / PORTB I/O |
| Pino 14 | AN12/PGD3/RB12 — Analog input 12 / ICSP data pair 3 / PORTB I/O |
| Pino 15 | AN13/PGC3/RB13 — Analog input 13 / ICSP clock pair 3 / PORTB I/O |
| Pino 16 | AN14/RB14 — Analog input 14 / PORTB I/O |
| Pino 17 | AN15/RB15 — Analog input 15 / PORTB I/O |
| Pino 18 | AVDD — Analog supply (3.0 V to 3.6 V) |
| Pino 19 | AVSS — Analog ground |
| Pino 20 | PWM1L/RE0 — High-speed PWM 1 low output / PORTE I/O |
| Pino 21 | PWM1H/RE1 — High-speed PWM 1 high output / PORTE I/O |
| Pino 22 | PWM2L/RE2 — High-speed PWM 2 low output / PORTE I/O |
| Pino 23 | PWM2H/RE3 — High-speed PWM 2 high output / PORTE I/O |
| Pino 24 | PWM3L/RE4 — High-speed PWM 3 low output / PORTE I/O |
| Pino 25 | PWM3H/RE5 — High-speed PWM 3 high output / PORTE I/O |
| Pino 26 | PWM4L/RE6 — High-speed PWM 4 low output / PORTE I/O |
| Pino 27 | PWM4H/RE7 — High-speed PWM 4 high output / PORTE I/O |
| Pino 28 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pino 29 | VSS — Digital ground |
| Pino 30 | TMS/RF2 — JTAG test mode select / PORTF I/O |
| Pino 31 | TDI/RF3 — JTAG test data in / PORTF I/O |
| Pino 32 | TDO/RF4 — JTAG test data out / PORTF I/O |
| Pino 33 | TCK/RF5 — JTAG test clock / PORTF I/O |
| Pino 34 | RF6 — PORTF general purpose I/O |
| Pino 35 | RF7 — PORTF general purpose I/O |
| Pino 36 | RF8 — PORTF general purpose I/O |
| Pino 37 | RF12 — PORTF general purpose I/O |
| Pino 38 | RF13 — PORTF general purpose I/O |
| Pino 39 | VSS — Digital ground |
| Pino 40 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pino 41 | RG0 — PORTG general purpose I/O |
| Pino 42 | RG1 — PORTG general purpose I/O |
| Pino 43 | RG2 — PORTG general purpose I/O |
| Pino 44 | RG3 — PORTG general purpose I/O |
| Pino 45 | RG6 — PORTG general purpose I/O |
| Pino 46 | RG7 — PORTG general purpose I/O |
| Pino 47 | RG8 — PORTG general purpose I/O |
| Pino 48 | RG9 — PORTG general purpose I/O |
| Pino 49 | VSS — Digital ground |
| Pino 50 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pino 51 | FLTA/RD0 — PWM fault A input / PORTD I/O |
| Pino 52 | FLTB/RD1 — PWM fault B input / PORTD I/O |
| Pino 53 | RD2 — PORTD general purpose I/O |
| Pino 54 | RD3 — PORTD general purpose I/O |
| Pino 55 | RD4 — PORTD general purpose I/O |
| Pino 56 | RD5 — PORTD general purpose I/O |
| Pino 57 | RD6 — PORTD general purpose I/O |
| Pino 58 | RD7 — PORTD general purpose I/O |
| Pino 59 | RD8 — PORTD general purpose I/O |
| Pino 60 | RD9 — PORTD general purpose I/O |
| Pino 61 | RD10 — PORTD general purpose I/O |
| Pino 62 | RD11 — PORTD general purpose I/O |
| Pino 63 | RD12 — PORTD general purpose I/O |
| Pino 64 | RD13 — PORTD general purpose I/O |
| Pino 65 | VSS — Digital ground |
| Pino 66 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pino 67 | PGED1/RC1 — ICSP data pair 1 / PORTC I/O |
| Pino 68 | PGEC1/RC2 — ICSP clock pair 1 / PORTC I/O |
| Pino 69 | RC3 — PORTC general purpose I/O |
| Pino 70 | RC4 — PORTC general purpose I/O |
| Pino 71 | PGED2/RC12 — ICSP data pair 2 / PORTC I/O |
| Pino 72 | PGEC2/RC13 — ICSP clock pair 2 / PORTC I/O |
| Pino 73 | RC14 — PORTC general purpose I/O |
| Pino 74 | RC15 — PORTC general purpose I/O / secondary oscillator |
| Pino 75 | OSCI/RA2 — Oscillator crystal input / PORTA I/O |
| Pino 76 | OSCO/RA3 — Oscillator crystal output / PORTA I/O |
| Pino 77 | RA4 — PORTA general purpose I/O |
| Pino 78 | RA7 — PORTA general purpose I/O |
| Pino 79 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pino 80 | VSS — Digital ground |
Aplicações típicas
DSPIC33FJ32GS608-E/PT é adequado para 6 aplicaçãos: AC-DC Power Supplies, Power Factor Correction (PFC), DC-DC Converters, Uninterruptible Power Supplies (UPS), Inverters and Solar Micro-Inverters, Digital Lighting and Battery Chargers.
AC-DC Power Supplies
The DSPIC33FJ32GS608-E/PT is explicitly listed by Microchip as a controller for AC to DC converters. Its high-speed PWM generates complementary gate-drive signals with programmable dead time, while up to four high-speed comparators connect directly to the PWM module, so primary-side overcurrent events are tripped in hardware without waiting for a software interrupt - essential for transformer protection at switching frequencies of 100 kHz and above. The 10-bit ADC samples output voltage and input current synchronously with the PWM period for clean control-loop feedback, and the 40 MIPS core runs voltage-mode, current-mode or predictive control laws with DSP MAC instructions. The 35 I/O lines cover housekeeping signals such as fan control, status LEDs and communication, allowing one chip to implement a complete offline power supply supervisor.
Recomendado
Power Factor Correction (PFC)
Microchip provides an Interleaved PFC reference design for this exact family, producing up to 350 W from a universal AC input using the dsPIC33F GS controllers. The DSPIC33FJ32GS608-E/PT implements average-current-mode PFC control: the ADC samples the input rectified sine wave and bus voltage each switching cycle, and the 40 MIPS core computes duty commands for two interleaved boost phases using single-cycle MAC operations. The high-speed PWM module natively supports phase-shifted and complementary outputs needed for interleaving, improving input current ripple cancellation. Hardware comparator inputs monitor boost inductor current for cycle-by-cycle overcurrent limiting. Running PFC plus main converter control on one 80-pin chip with 35 I/O eliminates a dedicated PFC controller IC and simplifies protection coordination across stages.
Recomendado
DC-DC Converters
For DC to DC conversion - buck, boost, half-bridge, full-bridge and push-pull - the DSPIC33FJ32GS608-E/PT supplies all required control peripherals on-chip. The high-speed PWM supports independent and complementary output pairs with dead-time insertion and edge or center alignment, suiting synchronous rectification designs. The 10-bit ADC with flexible trigger placement samples inductor current and output voltage with sub-microsecond latency, and the 40 MIPS pipeline sustains proportional-integral loops at update rates matched to 200 kHz-class power stages. Up to four comparators provide hardware overcurrent trip via the direct PWM connection, protecting against short circuits faster than software fault handling. The 3.0 V to 3.6 V rail and 35 I/O integrate telemetry (I2C/UART-style functions mapped on RP pins) for digital communication with a host PMBus-style supervisor.
Recomendado
Uninterruptible Power Supplies (UPS)
The Microchip product page names uninterruptible power supplies as a primary application for the GS family, and the DSPIC33FJ32GS608-E/PT fits the role through its combination of multi-channel PWM, fast ADC and comparator-based protection. A line-interactive or double-conversion UPS needs synchronized inverter control, AC-line zero-cross detection, battery charging management and transfer-switch logic; the 80-pin, 35 I/O device handles all of these concurrently at 40 MIPS with DSP arithmetic for sinusoidal inverter modulation. High-resolution PWM timing keeps output THD low, while the fast comparators implement instantaneous hardware limiting during load steps or output shorts. The extended -40C to +125C rating of the -E suffix suits UPS installations in unventilated industrial cabinets where ambient temperatures push beyond commercial component limits.
Recomendado
Inverters and Solar Micro-Inverters
DC to AC inversion for renewable energy and motor-drive front ends benefits from the DSPIC33FJ32GS608-E/PT architecture. Generating a sinusoidal output requires high-frequency SPWM or space-vector modulation with real-time feedback; the 40 MIPS core with DSP MAC instructions executes these algorithms while the high-speed PWM produces the complementary gate waveforms with precise dead time. The 10-bit ADC samples grid voltage, current and DC-link measurements synchronized to the PWM carrier, and the comparator-to-PWM direct path provides hardware-level DC-link overcurrent protection. Four comparator channels allow independent protection zones on multiple half-bridges. With 35 I/O on the 80-pin TQFP, relays, auxiliary converters and supervisory signaling are driven from the same controller, reducing BOM count relative to a discrete controller plus MCU pair.
Recomendado
Digital Lighting and Battery Chargers
Smart battery chargers and digitally controlled lighting ballasts use the DSPIC33FJ32GS608-E/PT where charge profiles require precise current and voltage regulation with protection. The high-speed PWM implements CC/CV charging with mode transitions managed in firmware, the 10-bit ADC tracks cell voltage and pack temperature via the 35 I/O-mapped analog channels, and comparator hardware enforces fast current limiting if a fault occurs mid-cycle. Temperature supervision uses the -40C to +125C rated device itself as an environmental margin indicator in the charger enclosure. For lighting, the same PWM architecture drives constant-current LED stages with dimming granularity limited only by PWM resolution. The 3.3 V class supply and CMOS process keep controller power low, an advantage in always-on standby modes where efficiency regulations apply.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33FJ32GS608-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33FJ64GS608-E/PT | DSPIC33FJ32GS608-50E/PT | DSPIC33FJ32GS608-50I/PT | DSPIC33FJ64GS608-50E/PT |
|---|---|---|---|---|---|
| Package | 80-pin TQFP (12 x 12 mm) | 80-pin TQFP (12 x 12 mm) - same | 80-pin TQFP (12 x 12 mm) - same | 80-pin TQFP (12 x 12 mm) - same | 80-pin TQFP (12 x 12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32 KB | 64 KB | 32 KB | 32 KB | 64 KB |
| CPU Speed | 40 MIPS | 40 MIPS | 50MIPS-class speed grade | 50MIPS-class speed grade | 50MIPS-class speed grade |
| Operating Temperature | -40C to +125C (extended) | -40C to +125C | -40C to +125C | -40C to +85C (industrial) | -40C to +125C |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| I/O Count | 35 | 35 | 35 | 35 | 35 |
| Digital Power Peripherals | High-speed PWM, 10-bit ADC, up to 4 comparators (direct PWM link) | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set |
Principais diferenciais
- Extended temperature rating for hot power enclosures (vs DSPIC33FJ32GS608-50I/PT)
- Flash headroom without board change (vs DSPIC33FJ64GS608-E/PT)
- Balanced cost/performance within the GS608 speed grades (vs DSPIC33FJ32GS608-50E/PT)
- Dedicated digital-power peripheral architecture (vs DSPIC33FJ64GS608-50E/PT)
Notas de projeto
Supply the DSPIC33FJ32GS608-E/PT from a clean 3.0 V to 3.6 V rail. Decouple every VDD pin with 100 nF ceramic capacitors placed within 3 mm of the pin, plus bulk 10 uF at the board level. Power AVDD separately through an RC or ferrite-bead filter (e.g., 10 ohm + 1 uF) from the digital rail so ADC reference noise stays low; a switching-buck-derived rail can inject ripple that appears directly as ADC code noise in your current-feedback loop.
Route PWM outputs (PORTE, pins 20-27) away from analog inputs (PORTB) to prevent gate-drive switching coupling into ADC channels. Keep PGECx/PGEDx ICSP pairs routed as matched short traces to a programming header - remember the rule from the family documentation: clock and data must come from the same pair (e.g., PGEC2 with PGED2). The 0.5 mm pitch TQFP needs a standard solder-mask-defined footprint per the Microchip package drawing; verify land pattern against the current package outline document.
The -E suffix is required for reliable operation above +85C ambient; the -I industrial grade parts will run outside specification in hot power-supply enclosures. Do not exceed the 3.6 V absolute maximum on any VDD/AVDD pin - 5 V logic interfacing requires level shifting. Configure the comparator-to-PWM direct connection in firmware at startup; relying only on software ADC overcurrent checks leaves a gap of many microseconds where the power stage is unprotected.
Estimated: keep gate-drive loop inductance low by placing MOSFET drivers within 15 mm of the PWM pins and using ground pours under each PWM trace; at 40 MIPS the controller can update PWM duty every switching cycle, so trace delay differences between high/low gate signals appear as effective dead-time mismatch. Use series termination (22-33 ohm) on long PWM runs to damp ringing and reduce EMI at MHz-class edges.
Informações de conformidade
Package described as lead-free plastic TQFP in datasheet snippets; RoHS compliance per distributor listings (DigiKey/Mouser). REACH, halogen-free and conflict-minerals declarations not stated in provided data.
