DSPIC33EP128GS806-I/PT - 16-bit DSC, 70 MIPS, 128KB Flash | Microchip
N.º de pieza: DSPIC33EP128GS806-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $10.7 | $10,70 |
| 10 | $9.9 | $99,00 |
| 100 | $9.2 | $920,00 |
| 500 | $8.6 | $4.300,00 |
| 1.000 | $8.1 | $8.100,00 |
DSPIC33EP128GS806-I/PT Descripción general
A digital signal controller combines the computational core of a digital signal processor with the peripheral set and ease of use of a microcontroller. In the power-management hierarchy, the dsPIC33EP GS family sits within Microchip's 16-bit MCU/DSC portfolio and is purpose-built for closed-loop control of switch-mode power supplies, where fast deterministic interrupt latency and tightly coupled analog peripherals are essential.
Key features include interconnected high-speed PWM modules for multi-phase and complementary power conversion topologies, a 12-bit ADC supporting simultaneous multi-channel sampling for multi-loop control, integrated programmable gain amplifiers (PGA) and analog comparators that close control loops entirely in hardware, and dual-partition Flash enabling live firmware update during operation.
Architecturally, the device pairs a pipelined 16-bit CPU with DSP engine (MAC, modulo and bit-reversed addressing) to execute control-law computations in deterministic cycle counts. The analog and PWM interconnect allows peripherals to trigger and respond to each other without CPU intervention, minimizing loop latency in SMPS applications.
Typical applications include AC-DC converters, power factor correction (PFC) stages, LLC and flyback supplies, solar micro-inverters, and digital lighting ballasts. The Interleaved PFC reference design from Microchip, producing up to 350W from universal AC input, is based on this family.
Design consideration: the GS806 offers multiple PGECx/PGEDx programming pairs - ICSPCLK and ICSPDAT must be used as a matched pair (e.g., PGEC2 with PGED2) when connecting a programmer.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Alternativas directas para DSPIC33EP128GS806-I/PT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con DSPIC33EP128GS806-I/PT (mismo factor de forma y huella) — difiere en Operating Temperature, Package, Core Architecture, Functional Safety Support, RAM.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33EP256GS806-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33EP64GS806-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.6 / unidad
Ver hoja de datos →DSPIC33EP128GS806-E/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33EP128GS804-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.45 / unidad
Ver hoja de datos →DSPIC33EP128GM306-E/PT
✅ Sustitución directa✓ En stock
$6.15 / unidad
Ver hoja de datos →DSPIC33EP128GS806-I/PT Valores máximos y características eléctricas
| Core Architecture | 16-bit dsPIC DSC |
| Maximum CPU Speed | 70 MIPS |
| Core Operating Frequency | 60 MHz |
| Flash Memory | 128 KB (dual-partition, live update) |
| RAM | 8 KB |
| Communication Interfaces | CAN, I2C, SPI, UART |
| General Purpose I/O | 51 I/O |
| ADC Resolution | 12-bit |
| Analog Peripherals | ADC, PGA, comparators, DAC outputs |
| PWM | Interconnected high-speed PWM |
| Encapsulado | 64-TQFP (10x10 mm) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C |
| Qualification | AEC-Q100 |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
Guía de configuración de pines de DSPIC33EP128GS806-I/PT 64-tqfp (10x10 mm)
Configuración de pines para DSPIC33EP128GS806-I/PT (encapsulado 64-tqfp (10x10 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para DSPIC33EP128GS806-I/PT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33EP128GS806-I/PT es adecuado para 6 aplicacións: AC-DC Power Supplies, Power Factor Correction (PFC), Solar Micro-Inverters, Digital Lighting Ballasts and LED Drivers, Industrial Automation and Motor Control, Wireless Charging and Battery Chargers.
AC-DC Power Supplies
The DSPIC33EP128GS806-I/PT is purpose-built for digitally controlled AC-DC converters. Its interconnected high-speed PWM modules generate complementary and phase-shifted drive signals for flyback, forward, half-bridge, and LLC topologies, while the 12-bit ADC samples output voltage and input current with deterministic latency for stable closed-loop regulation. Microchip explicitly lists AC-DC converters among the target applications for the dsPIC33EP GS family. Integrated comparators and programmable gain amplifiers allow cycle-by-cycle current limiting in hardware without CPU intervention, achieving protection response far faster than any software loop. With 128 KB dual-partition Flash, firmware can implement advanced non-linear control laws, soft-start profiles, and fault logging while supporting live field updates of the control code without interrupting the output rail.
Recomendado
Power Factor Correction (PFC)
Power factor correction is a flagship application of this controller: Microchip's Interleaved PFC reference design, delivering up to 350W from universal AC input, is based on this dsPIC33EP GS DSC family. The GS806's ADC can simultaneously sample inductor current and bus voltage each switching cycle, feeding an average-current-mode PFC control loop executed by the DSP engine at 70 MIPS. Interleaved PFC phases are managed by multiple high-speed PWM channels with programmable phase shift, spreading input ripple current and reducing EMI filter size. Hardware comparators provide instantaneous overcurrent shutdown. The 51 I/O pins and CAN interface also support digital communication with a system host for status and dynamic bus-voltage commands in server and telecom front ends.
Recomendado
Solar Micro-Inverters
Solar micro-inverters require MPPT algorithms, grid-synchronized current injection, and safety compliance firmware running concurrently - a workload the GS806's 70 MIPS DSP-enhanced core and 128 KB Flash accommodate. The high-resolution interconnected PWM generates the high-frequency DC-DC stage drive and the low-frequency grid-frequency unfold or sinusoidal PWM signals from one controller, while the 12-bit ADC sequences DC input, grid voltage, and grid current samples every control period. The CAN interface supports panel-level monitoring and fleet management in commercial installations. Dual-partition Flash with live update lets firmware, including MPPT and anti-islanding code, be upgraded in the field over the communications link without disconnecting the panel, a decisive advantage over single-partition Flash competitors.
Recomendado
Digital Lighting Ballasts and LED Drivers
Digitally controlled HID ballasts and high-power LED drivers benefit from the GS806's combination of high-speed PWM, 12-bit ADC feedback, and on-chip comparators. Dimming loops require accurate average current sensing each cycle; the ADC with programmable gain amplifiers conditions low-level current-shunt signals directly, eliminating external op-amps. PWM dimming resolution and burst-dimming schemes are implemented with the interconnected PWM modules, and fault conditions such as open-circuit or shorted LED strings trip hardware comparators within a single switching cycle. The I2C and UART interfaces accept DALI-style or serial dimming commands, and 51 GPIO lines manage housekeeping tasks such as fan control and status LEDs, consolidating the complete lighting power subsystem in one 64-TQFP controller.
Recomendado
Industrial Automation and Motor Control
In factory automation, the GS806 serves as a networked control node where its 70 MIPS core executes PI control loops, field-oriented motor control mathematics, or sequencing logic while CAN, UART, SPI, and I2C links connect to drives, sensors, and supervisory PLCs. The 51 I/O and multiple PGECx/PGEDx pairs support in-field firmware servicing without board removal. AEC-Q100 qualification (per GlobalSpec product data) and the -40C to +85C industrial temperature range ensure reliability on electrically noisy factory floors near drives and contactors. The interconnected analog subsystem also supports closed-loop control of DC buses and actuator currents, letting one controller manage an entire motion or process axis that previously required a separate MCU plus analog controller pair.
Recomendado
Wireless Charging and Battery Chargers
Battery chargers and wireless power transmitters require precise multi-loop regulation of charge current, voltage, and coil coupling - exactly the multi-loop capability the GS806 was designed for. The simultaneous-sampling 12-bit ADC captures battery current and pack voltage each switching period, while high-speed PWM adjusts duty cycle or resonant frequency for CC/CV charging profiles. Hardware comparators enforce cycle-by-cycle overcurrent protection during fault or foreign-object events in wireless charging systems. The 128 KB Flash stores charge-profile tables for multiple battery chemistries and logs state-of-health data, and the CAN or UART interface reports charger status to a vehicle or base-station host controller, making a single GS806 sufficient for the complete charging power path and its communication front end.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33EP128GS806-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33EP256GS806-I/PT | DSPIC33EP64GS806-I/PT | DSPIC33EP128GS806-E/PT | DSPIC33EP128GM306-E/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 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 |
| Flash Memory | 128 KB (dual-partition) | 256 KB | 64 KB | 128 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Max CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +125C |
| CAN Interface | Yes | Yes | Yes | Yes | Yes |
| Peripheral Family Focus | Digital power (high-speed PWM, PGA, comparators) | Digital power (identical set) | Digital power (identical set) | Digital power (identical set) | General-purpose peripheral set |
Diferenciadores clave
- Digital-power peripheral set with interconnected high-speed PWM, PGA, and comparators (frente a DSPIC33EP128GM306-E/PT)
- More memory headroom in the same package (frente a DSPIC33EP64GS806-I/PT)
- Optimized cost vs larger sibling (frente a DSPIC33EP256GS806-I/PT)
Notas de diseño
ICSP programming requires a matched PGECx/PGEDx pair: ICSPCLK must connect to a PGECx pin and ICSPDAT to the correspondingly numbered PGEDx pin (for example PGEC2 with PGED2, never cross-paired). Per Northern Software device documentation, the GS806 provides more than one such pair, so reserve one pair on your PCB header even if GPIO is scarce. Forgetting to route a full pair is one of the most common board respins on this family.
In SMPS layouts, keep the ADC input traces for current and voltage feedback short and route them away from the high-speed PWM output traces and gate-driver loops to prevent switching transients from corrupting control-loop samples. Place analog ground for the controller separately and join it to power ground at a single star point near the bulk capacitor. Microchip's Digital Power PIM (MA330043) reference layout demonstrates recommended grounding and can be used as a layout template for new boards.
Take advantage of dual-partition Flash live update: allocate the control-loop safety-critical code to the active partition and allow firmware updates in the inactive partition only, with a verified image-swap routine and CRC check before switching partitions. This prevents a power-cycle during update from bricking a converter in the field. Estimated: budget firmware carefully against the 8 KB RAM - complex communication stacks plus multi-loop state variables can approach this limit; profile RAM usage in the linker map early.
Información de cumplimiento
AEC-Q100 qualification indicated by GlobalSpec product data for DSPIC33EP128GS806-I/PT. RoHS/REACH status not stated in the provided web data.