DSPIC33FJ32GS406-E/PT - 16-Bit 40MIPS DSC 32KB Flash | Microchip
N.º da peça: DSPIC33FJ32GS406-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.42 | $7,42 |
| 10 | $6.68 | $66,80 |
| 100 | $5.95 | $595,00 |
| 500 | $5.36 | $2.680,00 |
| 1.000 | $4.82 | $4.820,00 |
DSPIC33FJ32GS406-E/PT Visão geral
A digital signal controller combines the computational power of a DSP core with the peripheral integration and control architecture of a microcontroller. Within the power-management semiconductor hierarchy, the dsPIC33F family sits in the digital signal controller category under microcontrollers, targeting closed-loop control of switching power electronics. The modified Harvard 16-bit architecture with an enhanced DSP instruction set enables fast PID loops and mathematical processing required in digital power conversion.
Key features of this device include a 16-bit modified Harvard CPU running at 40 MIPS, 4-channel DMA for low-overhead data movement, 8 timers, and the SMPS-oriented peripheral set that defines the GS subfamily: high-speed PWM modules with advanced deadlock protection, high-speed ADCs for simultaneous current sampling, and up to four high-speed comparators with direct connection to the PWM fault inputs for cycle-by-cycle current limiting.
Technical depth: the dsPIC33FJ32GS406 uses CMOS process technology with DSP engine support for multiply-accumulate operations, making it well suited to average current-mode control and predictive control algorithms. Per the digchip datasheet summary, the supply voltage range is 3.0V to 3.6V, with 35 I/O available on the 64-TQFP package. The peripheral architecture is specifically optimized for multi-loop digital switch-mode power supplies, where deterministic interrupt latency and ADC-to-PWM trigger synchronization determine loop stability.
Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, and uninterruptible power supplies (UPS), all explicitly listed by Microchip for the dsPIC33FJ32GS406 family.
Design consideration: the 3.0V to 3.6V supply window requires a clean 3.3V rail; ensure all VDD/VSS pairs are decoupled and that PGECx/PGEDx pairs are kept as matched pairs for in-circuit serial programming.
This page synthesizes distributor pricing context, drop-in family alternatives, and practical digital-power design notes not found in the manufacturer datasheet.
Alternativas drop-in para DSPIC33FJ32GS406-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 DSPIC33FJ32GS406-E/PT (mesmo formato e footprint) — diferindo em Core Architecture, Package, DMA Channels, Operating Temperature, Program Memory.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC33FJ32GS406-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ64GS406-E/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ64GS406-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.85 / unidade
Ver ficha técnica →DSPIC33FJ32GS606-I/PT
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC33FJ64GS606-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.61 / unidade
Ver ficha técnica →DSPIC33FJ32GS406-E/PT Classificações máximas e características elétricas
| Core Architecture | 16-bit modified Harvard, DSP-enhanced |
| Frequência máxima de clock | 40 MHz |
| Performance | 40 MIPS |
| Program Memory | 32 KB Flash |
| RAM | 4 KB |
| DMA Channels | 4 |
| Timers | 8 |
| I/O Ports | 35 |
| Tensão de alimentação | 3.0 V to 3.6 V |
| High-Speed Comparators | Up to 4 (direct PWM fault connection) |
| Encapsulamento | 64-TQFP, 10 x 10 mm, 1 mm height |
| Terminal Form | Gull wing |
| Package Code | TFQFP, square |
| Tipo de montagem | Surface Mount |
| Process Technology | CMOS |
| Lead Free | Yes |
| Programming Interface | ICSP via PGECx/PGEDx pairs (multiple pairs) |
| Lifecycle Stage | ACTIVE |
Guia de Configuração de Pinos do DSPIC33FJ32GS406-E/PT tfqfp, square
Configuração de pinos para DSPIC33FJ32GS406-E/PT (pacote tfqfp, square). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para DSPIC33FJ32GS406-E/PT.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSPIC33FJ32GS406-E/PT é adequado para 6 aplicaçãos: AC-DC Converter Digital Control, Power Factor Correction (PFC), DC-DC Converter Control, Uninterruptible Power Supplies (UPS), Digital Lighting and LED Driver Power, Solar Micro-Inverter and Renewable Power Conversion.
AC-DC Converter Digital Control
The DSPIC33FJ32GS406-E/PT fits AC-to-DC converter control because Microchip explicitly designed the GS-series peripheral set for it: the high-speed PWM generates switching waveforms with programmable dead time, the high-speed ADC samples output voltage and inductor current synchronized to PWM triggers, and the on-chip comparators provide hardware cycle-by-cycle overcurrent shutdown with no CPU latency. The 40 MIPS core executes inner current and outer voltage loops fast enough for 100 kHz-class converters. A typical topology places the DSC between the feedback divider and the PWM gate drivers, replacing analog control ICs entirely and enabling firmware-defined transient response, soft-start, and fault handling. The 3.0V to 3.6V supply and 64-TQFP 10x10 mm footprint integrate cleanly into compact power supply PCBs.
Recomendado
Power Factor Correction (PFC)
Power factor correction demands fast, deterministic current-loop control, which is exactly what this device delivers. According to Microchip, the dsPIC33FJ32GS406 family supports multi-loop digital SMPS including PFC, and the vendor provides a 350W interleaved PFC reference design with universal input based on this family. In a boost-PFC stage, the high-speed ADC samples input rectified voltage and inductor current at the start of each PWM period; the 40 MIPS DSP core computes the duty update using PI or predictive control within the same cycle. The four high-speed comparators connect directly to PWM fault inputs for instantaneous overcurrent protection. The 4 DMA channels offload ADC results from the CPU, keeping interrupt latency minimal and loop bandwidth high.
Recomendado
DC-DC Converter Control
For DC-to-DC converter control - buck, boost, or LLC topologies - the DSPIC33FJ32GS406-E/PT provides the tight ADC-to-PWM synchronization that loop stability requires. The GS-series high-speed PWM module can trigger ADC sampling at precise points in the switching cycle, eliminating switching-noise corruption of current measurements. The DSP-enhanced instruction set performs multiply-accumulate operations for PID and average-current-mode control efficiently at 40 MIPS. Firmware-defined control enables nonlinear gains, mode hopping between CCM and DCM, and adaptive dead-time optimization that analog controllers cannot match. The 35 I/O on the 64-TQFP leaves headroom for housekeeping functions: fan control, telemetry via UART, and fault logging, consolidating controller and supervisor into one device.
Recomendado
Uninterruptible Power Supplies (UPS)
UPS systems combine a PFC front end, a DC-DC battery converter, and an inverter output stage - three control loops the dsPIC33FJ32GS406-E/PT can supervise simultaneously. Microchip lists UPS as a target application for this family. The 8 timers and 4 DMA channels coordinate interleaved switching stages, while the high-speed comparators provide per-stage overcurrent protection. The 32KB Flash accommodates the state machine governing line/battery/inverter mode transitions, battery charging profiles, and transfer synchronization. Extended E-temperature grading supports operation in hot equipment enclosures typical of UPS installations. The 4KB RAM buffers waveform samples for power-quality metering, allowing the same DSC to report input/output voltage, frequency, and load percentage over a serial link.
Recomendado
Digital Lighting and LED Driver Power
High-power LED drivers benefit from the same digital power control loop as any SMPS: constant-current regulation with fast transient response and dimming control. The high-speed PWM of the DSPIC33FJ32GS406-E/PT generates both the switching waveform and the PWM dimming signal with programmable resolution, while the high-speed ADC closes the current loop each cycle. Digital control enables DALI or PWM-dimmable interfaces, thermal foldback curves implemented in firmware, and adaptive efficiency optimization across load ranges - features analog LED controller ICs handle poorly. The extended E temperature grade suits enclosed luminaire drivers. With 35 I/O, a single 64-TQFP device can drive multi-string luminaires and report diagnostics on UART or SMBus to the lighting management system.
Recomendado
Solar Micro-Inverter and Renewable Power Conversion
Grid-tied renewable converters stack MPPT, DC-link regulation, and grid-current shaping - a multi-loop problem the DSPIC33FJ32GS406-E/PT handles with its synchronized ADC/PWM subsystem and 40 MIPS core. MPPT algorithms run as a slow outer loop on the DSP core while the inner grid-current loop executes per PWM cycle; the high-speed comparators protect against grid faults and overcurrent without CPU involvement. Firmware-based control supports anti-islanding detection and grid-code-specific waveform shaping that would otherwise need a second processor. Although Microchip targets this family primarily at SMPS and UPS, the peripheral set maps directly onto micro-inverter control. For designs needing more code space for grid standards, the pin-compatible 64GS406 doubles Flash with no PCB change.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC33FJ32GS406-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC33FJ32GS406-I/PT | DSPIC33FJ64GS406-E/PT | DSPIC33FJ64GS406-I/PT | DSPIC33FJ32GS606-I/PT | DSPIC33FJ64GS606-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm, PT) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 40 MHz / 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| Flash Program Memory | 32 KB | 32 KB | 64 KB (+100%) | 64 KB (+100%) | 32 KB | 64 KB (+100%) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| 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 | 3.0 V to 3.6 V |
| Temperature Grade | E (extended) | I (industrial) | E (extended) | I (industrial) | I (industrial) | I (industrial) |
| SMPS Peripherals (PWM/ADC/Comparators) | GS-series high-speed set | GS-series - identical | GS-series - identical | GS-series - identical | GS606 - expanded set | GS606 - expanded set |
Principais diferenciais
- Extended temperature grade in the 64-TQFP GS footprint (vs DSPIC33FJ32GS406-I/PT)
- Memory upgrade without PCB change (vs DSPIC33FJ64GS406-E/PT)
- SMPS-specific peripheral integration (vs DSPIC33FJ32GS606-I/PT)
Notas de projeto
Supply the DSPIC33FJ32GS406-E/PT from a regulated 3.3V rail within the 3.0V to 3.6V datasheet window. In digital power designs the DSC often shares a PCB with noisy switching stages - use a dedicated low-dropout regulator or ferrite-isolated branch from the bias rail, and decouple every VDD/VSS pin pair with 0.1uF ceramics placed within 2 mm of the pins, plus one bulk 10uF near the package. Per the northernsoftware dsPIC33FJ32GS406 notes, all VDD and VSS pins must be connected; never leave a power pair floating.
The ICSP programming interface has multiple PGECx/PGEDx pairs - you may use any pair, but ICSPCLK and ICSPDAT must come from the same numbered pair (PGEC2 with PGED2, for example). Route the chosen pair to a standard 5-pin ICSP header on the power-supply PCB and keep the traces short and away from switch nodes to prevent programming faults from dv/dt coupling. Reserve the header even on production boards; in-system firmware updates on digital power hardware strongly depend on it.
When migrating firmware between same-footprint family members (32GS406 to 64GS406, or to GS606 variants), do not assume identical peripheral counts - the GS606 subfamily adds peripherals and the memory map shifts with Flash size. Re-link against the correct device support files and re-verify PWM/ADC register maps. Also note the -E/PT and -I/PT grades differ in temperature rating: substituting an I-grade part into an E-grade thermal environment violates the datasheet operating range even though the package and pinout are identical.
In digital SMPS layouts, keep the high-speed ADC input traces (current-sense and voltage-feedback signals) away from PWM gate-drive and switch-node traces; the GS-series ADC samples synchronized to PWM precisely so that sampling occurs during a quiet window of the switching cycle. Add a small RC filter (e.g., 100 ohm / 1 nF, tuned per sampling window) on current-sense inputs to reject residual switching spikes without corrupting the loop bandwidth.
Informações de conformidade
Package described as 'LEAD FREE, PLASTIC' in digchip datasheet summary; RoHS compliance per distributor listings. REACH, halogen-free, and conflict-minerals status not stated in retrieved data - confirm via Microchip environmental documentation.
