DSPIC33FJ32GS406T-50I/PT - 16-bit DSC 50MIPS 32KB | Microchip
Référence : DSPIC33FJ32GS406T-50I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.85 | $5,85 |
| 10 | $5.35 | $53,50 |
| 100 | $4.8 | $480,00 |
| 500 | $4.35 | $2 175,00 |
| 1 000 | $3.95 | $3 950,00 |
DSPIC33FJ32GS406T-50I/PT Présentation
A digital signal controller combines the computational strengths of a microcontroller (MCU) with the math acceleration of a digital signal processor (DSP). Within the power-management hierarchy, DSCs sit at the control core of switch-mode power supplies (SMPS), driving supervisory loops that govern voltage regulators, DC-DC converters, and power factor correction (PFC) stages. The dsPIC33F family is Microchip's 16-bit DSC line, and the GS sub-family (SMPS-focused) adds dedicated high-speed PWM and high-speed analog peripherals targeted at digital power conversion.
Key features of this part include a 16-bit dsPIC33F core executing up to 50 MIPS, 32KB of on-chip FLASH with self-programming capability, a supply range of 3V to 3.6V, industrial temperature operation from -40C to +85C, and the GS-series SMPS peripheral set (high-speed PWM, high-speed ADC, and comparators) that offloads real-time control loops from software. The CMOS process and multiple internal bus architecture support deterministic execution of control algorithms with DSP instructions and barrel shifter acceleration.
Technically, the DSPIC33FJ32GS406 belongs to the GS406 device class within the dsPIC33FJ series. The 'T' suffix denotes tape-and-reel packaging, '-50' the 50 MIPS speed grade, 'I' the industrial temperature range, and '/PT' the 64-pin TQFP (10x10 mm) package. The core runs from an internal PLL off an external crystal, and the DSP engine supports single-cycle MAC operations used in filter and control-loop calculations.
Typical applications include interleaved power factor correction (Microchip's 350W Interleaved PFC reference design targets this family), digital AC-DC and DC-DC power supplies, battery chargers, and uninterruptible power supplies. The integrated high-speed PWM and ADC make it a natural single-chip control solution for these converters.
Design consideration: plan for 0.1uF decoupling at each VDD pin pair and verify the MPLAB X device support pack version matches your compiler release before layout, since pin multiplexing of PWM outputs differs across GS sub-family members.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour DSPIC33FJ32GS406T-50I/PT — 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 DSPIC33FJ32GS406T-50I/PT (même facteur de forme et même empreinte) — différant par Core, Package, Data Bus Width, Operating Temperature, Product Series.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ64GS406T-50I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.45 / unité
Voir la fiche technique →DSPIC33FJ32GS406-50I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33FJ32GS406T-50I/MR
✅ Remplacement direct✓ En stock
$3.95 / unité
Voir la fiche technique →DSPIC33FJ32GS406T-50I/PT Valeurs maximales et caractéristiques électriques
| Core | dsPIC33F (16-bit DSC) |
| Program Memory Size | 32KB (32K x 8) FLASH |
| Maximum MIPS | 50 MIPS |
| Supply Voltage Range | 3V to 3.6V |
| Température de fonctionnement | -40C to +85C (Industrial, I) |
| Boîtier | 64-TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Product Series | dsPIC33FJ32GS (SMPS / GS series) |
| Product Type | Digital Signal Controller (DSC) |
| Packaging | Tape & Reel (T suffix) |
| Largeur du bus de données | 16-bit |
| Technology | CMOS |
| Peripherals | High-Speed PWM, ADC, Comparators (GS series SMPS peripherals) |
| Statut RoHS | Compliant |
Guide de configuration des broches du DSPIC33FJ32GS406T-50I/PT 64-tqfp (10x10 mm)
Configuration des broches du DSPIC33FJ32GS406T-50I/PT (boîtier 64-tqfp (10x10 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour DSPIC33FJ32GS406T-50I/PT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
DSPIC33FJ32GS406T-50I/PT convient pour 6 applications: Interleaved Power Factor Correction (PFC), Digital AC-DC Power Supplies, Battery Chargers, Uninterruptible Power Supplies (UPS), DC-DC Converters and Point-of-Load Regulation, Embedded Control and Development Systems.
Interleaved Power Factor Correction (PFC)
The DSPIC33FJ32GS406T-50I/PT fits interleaved PFC designs because its GS-series high-speed PWM with fine edge resolution and its fast ADC allow each boost phase to be phase-shifted and current-loop controlled with minimal software latency. Microchip publishes an Interleaved PFC reference design on the dsPIC33FJ32GS406 product page that runs from universal AC input and delivers a single high-voltage DC output up to 350W, directly demonstrating this device class. In such a design, the DSC executes average current-mode control on the 50 MIPS core, samples inductor current and bus voltage through the on-chip ADC, and adapts switching phase balance dynamically. The single-chip approach replaces multiple analog controllers, reducing BOM count while allowing firmware-based protection such as bus overvoltage and inrush limiting.
Recommandé
Digital AC-DC Power Supplies
For digital AC-DC converters, the DSPIC33FJ32GS406T-50I/PT provides the control core for both PFC and downstream DC-DC stages. The 50 MIPS 16-bit dsPIC33F core with DSP instruction support (single-cycle MAC) executes the voltage and current control loops deterministically, while the GS-series high-speed PWM generates precisely timed gate signals with hardware dead-time insertion. The 3.0V to 3.6V supply range simplifies bias derivation from an auxiliary flyback winding through a small LDO. Firmware-based control enables adaptive burst mode for light-load efficiency, soft-start profiling, and digital protection loops that analog controllers implement with fixed hardware. Because the part is RoHS compliant and industrial temperature rated (-40C to +85C), it suits server and telecom power supplies built to modern environmental requirements.
Recommandé
Battery Chargers
The DSPIC33FJ32GS406T-50I/PT is well suited to smart battery charger control because charging profiles (CC, CV, trickle, termination) map naturally onto the DSC's firmware state machines, while the high-speed PWM regulates the switching power stage at the resolutions required for tight current control. The on-chip ADC continuously monitors battery voltage, current, and temperature, and the integrated analog comparators provide fast-cycle hardware protection independent of software, an important safety feature for lithium chemistry. The 32KB FLASH accommodates multi-chemistry charging algorithms plus communication protocol stacks. Its industrial temperature range of -40C to +85C covers garage, industrial, and outdoor charging equipment, and the 64-TQFP 10x10 mm package provides enough general-purpose I/O for keypad, display, and status interfaces in a complete charger product.
Recommandé
Uninterruptible Power Supplies (UPS)
In UPS designs, the DSPIC33FJ32GS406T-50I/PT serves as the master control DSC managing the rectifier PFC front end, the battery converter, and the inverter output stage. The GS series high-speed PWM can run multiple converter stages with correct phase relationships, and the fast ADC plus comparators support cycle-by-cycle current limiting during line transients and mode changes. The 50 MIPS core executes the inverter's sinusoidal voltage regulation with DSP-accelerated filter computations, maintaining output THD targets that analog-only designs struggle to achieve across load and temperature. Firmware flexibility also enables battery health diagnostics, event logging, and communication with host systems. The 64-pin TQFP provides the peripheral mix of PWM channels, ADC inputs, and serial interfaces a complete UPS control board typically requires on a single controller.
Recommandé
DC-DC Converters and Point-of-Load Regulation
The DSPIC33FJ32GS406T-50I/PT controls digital DC-DC converters where load transients, sequencing, and telemetry matter. Its high-speed PWM supports the switching frequencies used in buck and boost stages, and the on-chip ADC samples output voltage and inductor current fast enough for the inner current loop, while the DSP core closes the outer voltage loop at the 50 MIPS rate. Digital control enables on-the-fly output voltage adjustment, phase shedding for light-load efficiency, and PMBus-style host telemetry from firmware. Compared with fixed analog regulators, one DSC can supervise multiple rails with sequence-dependent startup. The 3.0V to 3.6V operating range matches typical auxiliary bias rails, and the industrial -40C to +85C rating plus RoHS compliance align with telecom and datacenter power board build standards.
Recommandé
Embedded Control and Development Systems
Beyond power conversion, the DSPIC33FJ32GS406T-50I/PT serves as a general high-performance 16-bit embedded controller where DSP math is needed: sensor signal processing, motor-adjacent control, and instrumentation. Microchip's product page highlights the Explorer 16/32 Development Board, a low-cost modular platform supporting dsPIC devices through Plug-In Modules (PIMs) with a PICtail Plus daughter-card connector for adding functionality, giving engineers a fast evaluation path for this device. The 32KB FLASH with self-programming supports field firmware updates, and the 64-TQFP exposes ample general-purpose I/O, UART, SPI, and I2C for system integration. Development uses MPLAB X IDE with the XC16 compiler and standard Microchip debug hardware, so teams already using 16-bit PIC/dsPIC tools are productive immediately.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ32GS406T-50I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ64GS406T-50I/PT | DSPIC33FJ32GS406-50I/PT | DSPIC33FJ32GS406T-50I/MR |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-QFN (MR) - same terminal mapping, different body |
| FLASH Memory | 32KB (32K x 8) | 64KB (2x) | 32KB (same) | 32KB (same) |
| Performance | 50 MIPS | 50 MIPS | 50 MIPS | 50 MIPS |
| Core | dsPIC33F 16-bit DSC | dsPIC33F 16-bit DSC | dsPIC33F 16-bit DSC | dsPIC33F 16-bit DSC |
| Supply Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Packaging | Tape & Reel (T suffix) | Tape & Reel | Tube (40 pcs factory pack) | Tape & Reel |
Principaux différenciateurs
- Memory upgrade path without PCB change (vs DSPIC33FJ64GS406T-50I/PT)
- SMPS-dedicated peripheral set (vs DSPIC33FJ32GP406T-50I/PT)
- Trade-off: package variants are not footprint-identical (vs DSPIC33FJ32GS406T-50I/MR)
Notes de conception
Decouple every VDD/VDDCORE pin pair of the DSPIC33FJ32GS406T-50I/PT with 0.1uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 4.7uF-10uF per supply domain. The 64-TQFP (10x10 mm) package places supply pins on multiple sides, so plan a solid 3.3V plane rather than routed traces. Keep the internal core regulator capacitor per the manufacturer datasheet placement guidance - omitting it is a common cause of erratic 50 MIPS operation. Follow Microchip's GS-family layout application guidance for keeping PWM output traces short and away from ADC input routing.
Verify the full part suffix at ordering time: DSPIC33FJ32GS406T-50I/PT (tape-and-reel, 50 MIPS, industrial, 64-TQFP) differs from the tube-packaged DSPIC33FJ32GS406-50I/PT and from the 64-QFN /MR variant, which will not solder onto a TQFP footprint. Also confirm that your MPLAB X device support pack and XC16 compiler versions include the GS406 device, since the GS (SMPS) sub-family has peripheral register sets distinct from the GP/MC sub-families; mismatched support packs generate build errors that look like hardware faults.
When using the GS-series high-speed PWM to drive external gate drivers in power converters, route PWM outputs differentially where practical, keep series gate resistance close to the driver input, and use a low-inductance ground return. Route ADC sense lines (bus voltage, inductor current shunt) away from PWM switching nodes and use RC filtering sized against the ADC sampling rate. The on-chip analog comparators used for cycle-by-cycle protection should reference a clean, dedicated ground so switching noise does not cause false trips at high load.
Estimated: budget the 3.3V rail for core plus I/O current based on the current consumption figures in the manufacturer datasheet for your clock configuration; a 50 MIPS GS-family DSC plus gate driver bias commonly draws tens of milliamps per rail. Derive the 3.0V-3.6V supply from an auxiliary winding through a small LDO, and hold the rail within range during converter startup transients, since out-of-range supply during POR is a frequent brown-out source in digital power designs.
Informations de conformité
RoHS compliance noted in distributor datasheet summary (DigChip). REACH, lead-free, halogen-free, and conflict minerals declarations were not present in the provided data and should be requested from Microchip.
