DSPIC33EP64GS504-I/PT - 70 MIPS 16-bit DSC | Microchip Technology
N.º de pieza: DSPIC33EP64GS504-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.85 | $4,85 |
| 10 | $4.45 | $44,50 |
| 100 | $4.05 | $405,00 |
| 500 | $3.7 | $1.850,00 |
| 1.000 | $3.35 | $3.350,00 |
DSPIC33EP64GS504-I/PT Descripción general
A digital signal controller combines the computational throughput of a digital signal processor with the control peripherals, interrupt architecture, and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU as a purpose-built digital power conversion engine, and the dsPIC33EP GS family from Microchip targets switch-mode power supply (SMPS) and digital power applications specifically.
Key features of the DSPIC33EP64GS504 include a 16-bit dsPIC RISC core running at 70 MIPS, on-chip flash program memory of 64KB for firmware storage, a high-speed ADC subsystem designed for multi-loop power conversion feedback, and on-chip DAC channels for reference and waveform generation. Dedicated PWM hardware with fine resolution supports buck, boost, and interleaved converter topologies with the timing precision required by modern digital power supplies.
The GS-series architecture supports common multi-loop digital SMPS functions such as AC-to-DC converter control, power factor correction, and point-of-load regulation. Peripherals include brown-out detect/reset, POR, watchdog timer, and connectivity through I2C, SPI, UART/USART, IrDA, and LIN interfaces, allowing direct communication with host controllers, power-management buses, and human-machine interfaces.
Typical applications include AC-DC converters, interleaved power factor correction stages (Microchip reference designs demonstrate universal-input PFC up to 350W output), DC-DC point-of-load modules, battery chargers, and LED lighting drivers. The combination of fast ADC sampling and high-resolution PWM makes the device a fit wherever closed-loop control bandwidth determines product performance.
Design considerations: the controller operates from a 3.0V to 3.6V supply across an industrial -40C to +85C temperature range (the -I suffix; an extended -40C to +125C -E/PT variant exists for harsher environments). In-circuit serial programming (ICSP) uses matched PGECx/PGEDx pin pairs, so reserve a programming header pair in the layout.
This page synthesizes distributor pricing, drop-in family alternatives, comparison tables, and practical design notes that go beyond the information available on standard distributor listings.
Alternativas directas para DSPIC33EP64GS504-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 DSPIC33EP64GS504-I/PT (mismo factor de forma y huella) — difiere en Package, Operating Temperature, Core Architecture, Packaging, Supply Voltage.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33EP64GS504-E/PT
✅ Sustitución directa✓ En stock
$5.61 / unidad
Ver hoja de datos →DSPIC33EP64GP504T-E/TL
✅ Sustitución directa✓ En stock
$3.5 / unidad
Ver hoja de datos →DSPIC33EP256MC504T-E/PT
✅ Sustitución directa✓ En stock
$3.95 / unidad
Ver hoja de datos →DSPIC33EP64GP504-E/MV
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.85 / unidad
Ver hoja de datos →DSPIC33EP64GP503T-I/TL
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$3.9 / unidad
Ver hoja de datos →DSPIC33EP64GS504-I/PT Valores máximos y características eléctricas
| Core Processor | dsPIC33EP (16-bit RISC DSC) |
| Core Size | 16-bit |
| Maximum Speed | 70 MIPS |
| Program Memory (Flash) | 64 KB |
| Supply Voltage Range | 3.0 V to 3.6 V (3.3 V nominal) |
| Rango de temperatura de funcionamiento | -40C to +85C (TA) |
| Encapsulado | 44-TQFP (10x10 mm) |
| Tipo de montaje | Surface Mount |
| Connectivity | I2C, SPI, UART/USART, IrDA, LIN |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| ADC | High-speed ADC (SMPS/DS family) |
| DAC | On-chip DAC |
| Series | dsPIC33EP64GS504 (SMPS & Digital Power Conversion) |
| Programming | ICSP (matched PGECx/PGEDx pairs), JTAG boundary scan (IEEE 1149.2 compatible) |
| Application Focus | Digital Power, SMPS, High Speed ADC, DAC |
| Packaging | Tray |
| Estado RoHS | Compliant |
Guía de configuración de pines de DSPIC33EP64GS504-I/PT 44-tqfp (10x10 mm)
Configuración de pines para DSPIC33EP64GS504-I/PT (encapsulado 44-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 DSPIC33EP64GS504-I/PT.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33EP64GS504-I/PT es adecuado para 6 aplicacións: AC-DC Converter Digital Control, Interleaved Power Factor Correction (PFC), DC-DC Point-of-Load and Battery Chargers, LED Lighting Drivers, Industrial Automation and Motor Assist Control, Digital Power Development and Prototyping.
AC-DC Converter Digital Control
The DSPIC33EP64GS504 fits AC-DC converter control because the GS-series was purpose-built for digital switch-mode power supplies: its 70 MIPS DSP core executes multi-loop compensation math fast enough for tight regulation, while the high-speed ADC captures voltage and current feedback with the sampling rate needed for peak and average current-mode control. In a typical topology the controller samples the output and inductor current, computes the duty update, and drives the power stage through the dedicated high-resolution PWM outputs, all in firmware. Unlike analog controllers, digital control enables adaptive compensation, soft-start shaping, and communication-based telemetry over UART or I2C. The trade-off versus a fixed-function PWM IC is firmware development effort, repaid by flexibility across output voltages and standards.
Recomendado
Interleaved Power Factor Correction (PFC)
For PFC front ends, the DSPIC33EP64GS504 is a strong fit: Microchip publishes a dedicated Interleaved PFC reference design based on SMPS dsPIC DSCs that accepts universal AC input and delivers a single high-voltage DC output up to 350W. Interleaving two boost phases demands phase-shifted, matched PWM channels and fast current sensing - exactly what the GS-series high-speed ADC and power-conversion PWM block provide. The 70 MIPS core runs the average-current-mode PFC control law and input-voltage feedforward within each switching period, keeping THD low across load range. Compared with an analog PFC controller, the digital approach adds programmable brown-out behavior, inrush management, and status reporting via the on-chip UART or I2C. Designers should budget loop-tuning effort and follow the Microchip reference design firmware as a starting point.
Recomendado
DC-DC Point-of-Load and Battery Chargers
In point-of-load converters and multi-chemistry battery chargers, the DSPIC33EP64GS504 provides the fast control loop and PWM precision required for efficient power conversion at moderate power levels. The high-speed ADC supports synchronous buck feedback sampling while the 70 MIPS core executes charging state machines, termination algorithms (CC/CV, taper, temperature derating), and fault handling such as overcurrent and brown-out responses via the integrated POR/BOR and watchdog. The on-chip DAC generates precise reference levels for comparator-based fast limiting. Digital control allows a single firmware image to cover multiple battery chemistries, reducing SKU count. The 3.0V-3.6V supply suits low-voltage system rails, and UART or LIN connectivity lets a charger report status to a vehicle or host controller. Verify ADC channel mapping in the datasheet before finalizing the feedback network.
Recomendado
LED Lighting Drivers
Digitally controlled LED drivers benefit directly from the DSPIC33EP64GS504 architecture: high-resolution PWM enables wide-range dimming without visible flicker, while the high-speed ADC closes the current loop around each LED string for stable luminous output despite forward-voltage variation and temperature drift. The 70 MIPS core runs constant-current regulation, PWM dimming curves, and DALI or UART-based dimming protocols concurrently. The on-chip DAC provides smooth analog dimming references where PWM-only dimming causes audible or visible artifacts. Integrated brown-out and watchdog protection maintains safe behavior during mains disturbances in commercial lighting installations. Compared with fixed analog LED driver ICs, the digital controller supports multi-channel color mixing, programmable thermal foldback, and field firmware updates. Industrial -40C to +85C rating covers outdoor luminaire electronics when thermally designed correctly.
Recomendado
Industrial Automation and Motor Assist Control
While the MC-family dsPIC devices lead motor-control designs, the DSPIC33EP64GS504 fits auxiliary industrial automation roles that combine power conversion with system logic: powering gate-driver supplies, controlling small SMPS bias rails, managing heater or solenoid loads with PWM, and coordinating sensors over I2C, SPI, or LIN. The 70 MIPS DSP core handles filtering and PID control of slow electromechanical loops with headroom, while the watchdog, brown-out detect/reset, and POR peripherals satisfy industrial robustness expectations across -40C to +85C. Multiple UART/USART channels allow simultaneous communication with a PLC backplane and a local HMI. The JTAG boundary-scan (IEEE 1149.2 compatible) capability supports production line test of assembled boards. For primary motor commutation tasks, evaluate the DSPIC33EP256MC504T-E/PT alternative with motor-control-specific peripherals instead.
Recomendado
Digital Power Development and Prototyping
The DSPIC33EP64GS504 is well suited to prototyping digital power products because Microchip maintains an ecosystem of SMPS reference designs, including the Interleaved PFC 350W design, and the 44-TQFP 0.8mm-pitch package is easy to hand-solder and rework during iterative board spins. ICSP programming through any matched PGECx/PGEDx pin pair means a low-cost programmer/debugger suffices throughout development - simply reserve a 5-pin header. The 64KB flash accommodates control firmware plus a communications stack, and the 70 MIPS core leaves margin for instrumented debugging builds with extra telemetry code. Firmware portability across the GS/GP/MC dsPIC33EP families lets teams scale between packages and memory sizes without rewriting control loops. Start from the Microchip reference design firmware and simulate converter loops before committing to hardware.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33EP64GS504-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33EP64GS504-E/PT | DSPIC33EP64GP504T-E/TL | DSPIC33EP256MC504T-E/PT |
|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | 16-bit dsPIC33EP, 70 MIPS | 16-bit dsPIC33EP, 70 MIPS | 16-bit dsPIC33EP, 70 MIPS | 16-bit dsPIC33EP, 70 MIPS |
| Flash Memory | 64 KB | 64 KB | 64 KB | 256 KB |
| Peripheral Family | GS (SMPS high-speed ADC, DAC, power PWM) | GS (SMPS high-speed ADC, DAC, power PWM) | GP (general purpose, CAN, CTMU, op amps) | MC (motor control PWM) |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C |
| Target Application | Digital power, SMPS, PFC | Digital power, SMPS, PFC | General purpose embedded control | Motor control, digital power |
Diferenciadores clave
- Purpose-built digital-power peripheral set (frente a DSPIC33EP64GP504T-E/TL)
- Extended-temperature drop-in option (frente a DSPIC33EP64GS504-E/PT)
- Lower flash cost point for SMPS firmware (frente a DSPIC33EP256MC504T-E/PT)
Notas de diseño
The DSPIC33EP64GS504 requires a regulated 3.0V to 3.6V supply (3.3V nominal) with adequate decoupling: place 0.1uF ceramic capacitors at each VDD/VSS pin pair plus one bulk 4.7uF-10uF capacitor near the device. In SMPS applications the controller shares a board with noisy switching nodes; separate the analog supply and ADC reference routing from power-stage gate-drive returns to preserve ADC accuracy. Consult the Microchip GS-family datasheet power section for exact decoupling pin assignments before layout sign-off.
For the 44-TQFP (10x10 mm, 0.8mm pitch) package, use a standard TQFP-44 land pattern and add via stitching to the ground plane under the device. Reserve a 5-pin ICSP header wired to one matched PGECx/PGEDx pair - per Microchip documentation, if PGEC2 is used for ICSPCLK, ICSPDAT must connect to PGED2; the pairs must not be mixed. Keep high dv/dt PWM traces away from ADC input routing and the crystal/oscillator traces to prevent coupling into feedback measurements.
Common pitfalls: (1) assuming the part is 5V-tolerant across all pins - the supply is 3.0-3.6V and only specific pins are 5V tolerant per the datasheet pin legend; verify before interfacing with 5V logic. (2) Choosing the GP504 or MC504 variant expecting GS-series SMPS ADC/DAC/PWM peripherals - the families differ despite the same footprint. (3) Selecting the -I grade for designs that must survive +105C ambient near power stages - use the -E/PT variant rated to +125C instead.
Estimated: a 44-TQFP controller running at 70 MIPS with modest I/O loading dissipates on the order of tens of milliwatts to a few hundred milliwatts, well within the package capability at -40C to +85C ambient without heatsinking. In dense power-supply boards, however, local ambient near the controller can exceed the room temperature significantly; estimate board-level ambient rise from the power-stage dissipation and, if the local ambient plus self-heating approaches +85C, select the DSPIC33EP64GS504-E/PT variant rated to +125C.
Información de cumplimiento
RoHS compliance indicated by distributor listings (LCSC/DigiKey) for the dsPIC33EP64GS504 family. REACH, halogen-free, and conflict-minerals status not stated in the provided web data - verify on the Microchip product page environmental data sheet.
