DSPIC33EP64GS808-I/PT - 16-bit 70 MIPS DSC 64KB Flash | Microchip
N.º de pieza: DSPIC33EP64GS808-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.62 | $5,62 |
| 10 | $5.08 | $50,80 |
| 100 | $4.55 | $455,00 |
| 500 | $4.14 | $2.070,00 |
| 1.000 | $3.78 | $3.780,00 |
DSPIC33EP64GS808-I/PT Descripción general
A digital signal controller combines the computational throughput of a digital signal processor with the deterministic control architecture and peripheral set of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits above general-purpose MCUs and below dedicated DSPs, making it the preferred choice for closed-loop switch-mode power supplies, digital lighting, and motor control where fast interrupt response and hardware PWM resolution matter.
Key features include the dsPIC33EP GS core running at 70 MIPS from a 3.3V supply, dual-partition Flash enabling live field firmware updates, a Functional Safety (FuSa) supported documentation package, high-resolution PWM peripherals suited to power-conversion topologies, and an on-chip CAN module for industrial networking. Per the Microchip product page, the device status is In Production.
The dsPIC33EP GS family integrates an enhanced DSP engine with single-cycle MAC and dual operand fetch, plus high-speed ADC sampling that supports power-conversion feedback loops at tens of nanoseconds of deterministic latency. These attributes allow designers to implement peak current mode control, power factor correction, and LLC resonant control entirely in firmware on one silicon device.
Typical applications include digital switch-mode power supplies, solar micro-inverters and PFC stages, LED street lighting drivers, battery chargers, and industrial motor control with CAN connectivity. The 80-pin TQFP provides enough GPIO and PWM channels to drive interleaved and multiphase converters.
When designing with this DSC, budget the Flash partition scheme carefully: dual-partition mode reserves program space for a bootloader, so verify that 64KB total still fits the application image plus bootloader.
This page synthesizes distributor pricing, pin-compatible dsPIC33EP family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para DSPIC33EP64GS808-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 DSPIC33EP64GS808-I/PT (mismo factor de forma y huella) — difiere en Core Architecture, Operating Temperature, Package, CAN Module, Lifecycle Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33EP128GS808-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$7.55 / unidad
Ver hoja de datos →DSPIC33EP32GS808-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33EP256GS808-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-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$8.1 / unidad
Ver hoja de datos →DSPIC33EP64GS802-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33EP64GS808-I/PT Valores máximos y características eléctricas
| Core Architecture | 16-bit dsPIC33EP GS DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory Size | 64 KB (64K x 8) Flash |
| RAM Size | 8 KB |
| CAN Module | Yes (CAN 2.0B) |
| Tensión de alimentación | 3.3 V |
| Encapsulado | 80-TQFP (12x12 mm) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (I grade) |
| Flash Features | Dual Partition Flash (live update) |
| Functional Safety Support | Yes (FuSa package) |
| Programming Interface | ICSP (In-Circuit Serial Programming), 2-wire |
| Debug Support | In-circuit debugging via MPLAB SNAP / ICD |
| Estado del ciclo de vida | In Production |
Configuración de pines de DSPIC33EP64GS808-I/PT
| Pin 1 | MCLR — Master clear reset (active low) / programming voltage input |
| Pin 2 | AN0/VREF+ — Analog input 0 / ADC positive voltage reference |
| Pin 3 | AN1/VREF- — Analog input 1 / ADC negative voltage reference |
| Pin 4 | AN2/SS1 — Analog input 2 / SPI slave select 1 |
| Pin 5 | AN3/INDX — Analog input 3 / QEI index input |
| Pin 6 | AN4/QEA — Analog input 4 / QEI channel A |
| Pin 7 | AN5/QEB — Analog input 5 / QEI channel B |
| Pin 8 | AN6/OCFA — Analog input 6 / PWM fault A input |
| Pin 9 | AN7 — Analog input 7 |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Power supply (3.3V) |
| Pin 12 | AN8/RP56 — Analog input 8 / remappable peripheral pin |
| Pin 13 | AN9/RP55 — Analog input 9 / remappable peripheral pin |
| Pin 14 | AN10/RP54 — Analog input 10 / remappable peripheral pin |
| Pin 15 | AN11/RP53 — Analog input 11 / remappable peripheral pin |
| Pin 16 | AVSS — Analog ground reference |
| Pin 17 | AVDD — Analog power supply (3.3V) |
| Pin 18 | AN12/RP52 — Analog input 12 / remappable peripheral pin |
| Pin 19 | AN13/RP51 — Analog input 13 / remappable peripheral pin |
| Pin 20 | AN14/RP50 — Analog input 14 / remappable peripheral pin |
| Pin 21 | AN15/RP49 — Analog input 15 / remappable peripheral pin |
| Pin 22 | VDD — Power supply (3.3V) |
| Pin 23 | VSS — Ground reference |
| Pin 24 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Pin 25 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Pin 26 | RG0 — General purpose I/O port G |
| Pin 27 | RG1 — General purpose I/O port G |
| Pin 28 | RG2 — General purpose I/O port G |
| Pin 29 | RG3 — General purpose I/O port G |
| Pin 30 | RG6/RP48 — Port G I/O / remappable peripheral pin |
| Pin 31 | RG7/RP47 — Port G I/O / remappable peripheral pin |
| Pin 32 | RG8/RP46 — Port G I/O / remappable peripheral pin |
| Pin 33 | RG9/RP45 — Port G I/O / remappable peripheral pin |
| Pin 34 | VSS — Ground reference |
| Pin 35 | VDD — Power supply (3.3V) |
| Pin 36 | CAN1TX — CAN module 1 transmit output |
| Pin 37 | CAN1RX — CAN module 1 receive input |
| Pin 38 | RF3/RP44 — Port F I/O / remappable peripheral pin |
| Pin 39 | RF2/RP43 — Port F I/O / remappable peripheral pin |
| Pin 40 | RF13/RP42 — Port F I/O / remappable peripheral pin |
| Pin 41 | RF12/RP41 — Port F I/O / remappable peripheral pin |
| Pin 42 | PWM1L — PWM output 1 low-side |
| Pin 43 | PWM1H — PWM output 1 high-side |
| Pin 44 | PWM2L — PWM output 2 low-side |
| Pin 45 | PWM2H — PWM output 2 high-side |
| Pin 46 | PWM3L — PWM output 3 low-side |
| Pin 47 | PWM3H — PWM output 3 high-side |
| Pin 48 | VSS — Ground reference |
| Pin 49 | VDD — Power supply (3.3V) |
| Pin 50 | PWM4L — PWM output 4 low-side |
| Pin 51 | PWM4H — PWM output 4 high-side |
| Pin 52 | FLTA — PWM fault A input |
| Pin 53 | RF6/RP40 — Port F I/O / remappable peripheral pin |
| Pin 54 | RF7/RP39 — Port F I/O / remappable peripheral pin |
| Pin 55 | RF8/RP38 — Port F I/O / remappable peripheral pin |
| Pin 56 | PGD3/RP37 — Programming data 3 / remappable peripheral pin |
| Pin 57 | PGC3/RP36 — Programming clock 3 / remappable peripheral pin |
| Pin 58 | RF1/RP35 — Port F I/O / remappable peripheral pin |
| Pin 59 | RF0/RP34 — Port F I/O / remappable peripheral pin |
| Pin 60 | VDD — Power supply (3.3V) |
| Pin 61 | VSS — Ground reference |
| Pin 62 | RB5/RP33 — Port B I/O / remappable peripheral pin |
| Pin 63 | RB4/RP32 — Port B I/O / remappable peripheral pin |
| Pin 64 | RB3/RP31 — Port B I/O / remappable peripheral pin |
| Pin 65 | RB2/RP30 — Port B I/O / remappable peripheral pin |
| Pin 66 | RB1/RP29 — Port B I/O / remappable peripheral pin |
| Pin 67 | RB0/RP28 — Port B I/O / remappable peripheral pin |
| Pin 68 | RB15/RP27 — Port B I/O / remappable peripheral pin |
| Pin 69 | RB14/RP26 — Port B I/O / remappable peripheral pin |
| Pin 70 | RB13/RP25 — Port B I/O / remappable peripheral pin |
| Pin 71 | RB12/RP24 — Port B I/O / remappable peripheral pin |
| Pin 72 | VSS — Ground reference |
| Pin 73 | VDD — Power supply (3.3V) |
| Pin 74 | RB11/TDI — Port B I/O / JTAG test data input |
| Pin 75 | RB10/TCK — Port B I/O / JTAG test clock |
| Pin 76 | RB9/TMS — Port B I/O / JTAG test mode select |
| Pin 77 | RB8/TDO — Port B I/O / JTAG test data output |
| Pin 78 | RB7/PGD2 — Port B I/O / programming data 2 |
| Pin 79 | RB6/PGC2 — Port B I/O / programming clock 2 |
| Pin 80 | VCAP/VDDCORE — Core voltage regulator capacitor connection |
Aplicaciones típicas
DSPIC33EP64GS808-I/PT es adecuado para 6 aplicacións: Digital Switch-Mode Power Supplies, Solar Micro-Inverters and PFC Stages, LED Street and Industrial Lighting Drivers, Battery Chargers and Battery Management, Industrial Motor Control with CAN, Uninterruptible Power Supplies (UPS).
Digital Switch-Mode Power Supplies
The DSPIC33EP64GS808-I/PT is purpose-built for digitally controlled SMPS: its 70 MIPS dsPIC33EP GS core with single-cycle DSP MAC executes current-mode and voltage-mode control loops with deterministic latency, while the high-resolution PWM peripherals generate the gate signals for buck, boost, flyback, and LLC topologies. The high-speed ADC samples feedback signals at rates sufficient for peak current mode control, and firmware-based control allows soft-start, burst mode, and fault handling to be tuned without hardware changes. Placed as the sole controller on the converter board, it replaces multiple analog control ICs. The 80-pin TQFP supplies enough PWM channels and analog inputs for interleaved and multiphase converters, though Flash partitioning must reserve space for a live-update bootloader in fielded units.
Recomendado
Solar Micro-Inverters and PFC Stages
Grid-tied micro-inverters and power factor correction stages demand precise, fast control of switching waveforms, which the DSPIC33EP64GS808-I/PT delivers with its 70 MIPS core and high-resolution PWM. The firmware-implemented MPPT algorithm runs on the DSP engine while the PWM hardware shapes the interleaved converter phases; the high-speed ADC feeds grid voltage and current samples into the loop with minimal jitter. Dual-partition Flash allows in-field firmware updates that adapt MPPT and grid-interconnection behavior to regional standards without recalls. With 80 pins available, a single device can manage both the boost PFC front end and the inverter stage, reducing BOM count. The integrated CAN module further supports panel-level monitoring via the residential energy-management network.
Recomendado
LED Street and Industrial Lighting Drivers
Digital LED drivers benefit from the DSPIC33EP64GS808-I/PT's combination of high-resolution PWM for dimming resolution beyond 12 bits, firmware-based constant-current control, and robust fault protection logic. At 70 MIPS, the controller executes adaptive dimming curves, temperature-derating, and power factor correction concurrently. Dual-partition Flash lets municipalities push updated dimming schedules or driver firmware over the CAN bus at night without service trucks. The 80-pin TQFP provides parallel PWM channels for RGBW fixtures and multi-string luminaires, and the industrial -40C to +85C rating matches outdoor luminaire environments. Compared with analog driver ICs, firmware control enables telemetry, scheduling, and predictive maintenance features that command premium value in smart-city deployments.
Recomendado
Battery Chargers and Battery Management
Multi-chemistry battery chargers use the DSPIC33EP64GS808-I/PT to implement CC/CV charging profiles, coulomb counting, and safety cutoffs entirely in firmware. The 70 MIPS core handles the charging state machine alongside DSP filtering of current-sense feedback, while high-resolution PWM controls the power stage across trickle, fast, and taper phases. The high-speed ADC samples cell voltages and pack current with deterministic timing essential to protection thresholds, and the CAN module links the charger to vehicle or rack-level battery management networks. With 80 pins, one device manages multiple charge channels plus thermistor inputs and user interface. The industrial temperature grade covers charging environments from cold garages to engine compartments within the -40C to +85C envelope.
Recomendado
Industrial Motor Control with CAN
Sensorless field-oriented control (FOC) of BLDC and PMSM motors is a natural fit for the DSPIC33EP64GS808-I/PT: its 70 MIPS DSP engine executes Clarke/Park transforms and current loops each PWM cycle, while the high-resolution PWM synthesizes the three-phase drive. The 80-pin TQFP exposes quadrature encoder interface inputs and enough remappable pins for gate drivers, current shunt amplifiers, and protective fault inputs. The integrated CAN 2.0B module connects the drive to factory automation networks such as CANopen, supporting profile-based velocity and torque commands. Dual-partition Flash permits firmware field updates for motor parameter changes. Compared with discrete MCU-plus-DSP solutions, this single-chip approach lowers BOM cost and interrupt latency in the current loop.
Recomendado
Uninterruptible Power Supplies (UPS)
Online double-conversion UPS designs employ the DSPIC33EP64GS808-I/PT as the central digital controller managing the PFC front end, battery converter, and inverter output stage. Its 70 MIPS core and DSP MAC support synchronized sampling and multi-loop control across all three power stages, while high-resolution PWM minimizes output voltage distortion. The 80-pin package accommodates relay and static-switch drive signals, fan control, front-panel interface, and multiple temperature/current sensors. The CAN module reports UPS state to facility monitoring systems, and dual-partition Flash allows safe firmware updates in live installations - critical for equipment that may run for a decade without downtime. Industrial temperature rating and Microchip Functional Safety documentation support the reliability analysis demanded in power-protection products.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33EP64GS808-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33EP128GS808-I/PT | DSPIC33EP32GS808-I/PT | DSPIC33EP256GS808-I/PT | DSPIC33EP64GS806-I/PT |
|---|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64 KB | 128 KB | 32 KB | 256 KB | 64 KB |
| CAN Module | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | No |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Dual Partition Flash | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Diferenciadores clave
- Integrated CAN 2.0B module for fieldbus connectivity (frente a DSPIC33EP64GS806-I/PT)
- Flash-scalable single-footprint family (frente a DSPIC33EP256GS808-I/PT)
- Dual-partition Flash for live firmware updates (frente a General-purpose 16-bit MCUs)
Notas de diseño
Decouple every VDD pin with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus at least one 4.7 uF bulk capacitor near the package. The AVDD pin powering the ADC should be isolated from the digital 3.3V rail with an RC filter (e.g., 10 ohm series resistor and 1 uF capacitor) to preserve ADC accuracy in power-conversion feedback loops - digital switching noise on AVDD directly appears as code noise in current-sense samples. Connect VCAP to a low-ESR ceramic capacitor per the manufacturer datasheet recommendation for the internal core regulator; do not load this pin externally.
For digital power layouts, keep the PWM output traces to gate drivers short and away from the high-speed ADC feedback traces to prevent PWM switching edges from coupling into current-sense inputs. Route CAN1TX/CAN1RX to the transceiver as a matched pair with a ground guard. The exposed corner-located MCLR pin should include a 10 kohm pull-up and a programming header (5-pin ICSP) accessible on the assembled board, since in-circuit debugging and ICSP programming use MCLR plus PGD/PGC pins as described on the Microchip product page.
Dual-partition Flash reserves program memory for the bootloader partition: with only 64KB total, an application image plus a live-update bootloader may exceed budget, so verify linker allocation early in the project. Peripheral Pin Select (PPS) must be configured before UART/SPI functions appear on RP pins - an unconfigured PPS yields floating pins, a common bring-up failure. Do not exceed -40C to +85C operation: the -I grade does not cover engine-bay 125C environments; select the appropriate extended-temperature variant if required.
Información de cumplimiento
Compliance declarations were not present in the provided web data. Verify RoHS/REACH status via the compliance documents on the Microchip product page before export-controlled use.
