DSPIC33EP64GS808-I/PT - 16-bit 70 MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33EP64GS808-I/PT ✓ Hoạt độngDSPIC33EP64GS808-I/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP64GS808-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33EP64GS808-I/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package, CAN Module, Lifecycle Status.
DSPIC33EP128GS808-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP32GS808-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP256GS808-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64GS806-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP128GS806-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP64GS802-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64GS808-I/PT Tỷ lệ tối đa & tính chất điện
| 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) |
| Điện áp cung cấp | 3.3 V |
| Hộp | 80-TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -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 |
| Trạng thái vòng đời | In Production |
Cấu hình chân DSPIC33EP64GS808-I/PT
| Chân 1 | MCLR — Master clear reset (active low) / programming voltage input |
| Chân 2 | AN0/VREF+ — Analog input 0 / ADC positive voltage reference |
| Chân 3 | AN1/VREF- — Analog input 1 / ADC negative voltage reference |
| Chân 4 | AN2/SS1 — Analog input 2 / SPI slave select 1 |
| Chân 5 | AN3/INDX — Analog input 3 / QEI index input |
| Chân 6 | AN4/QEA — Analog input 4 / QEI channel A |
| Chân 7 | AN5/QEB — Analog input 5 / QEI channel B |
| Chân 8 | AN6/OCFA — Analog input 6 / PWM fault A input |
| Chân 9 | AN7 — Analog input 7 |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Power supply (3.3V) |
| Chân 12 | AN8/RP56 — Analog input 8 / remappable peripheral pin |
| Chân 13 | AN9/RP55 — Analog input 9 / remappable peripheral pin |
| Chân 14 | AN10/RP54 — Analog input 10 / remappable peripheral pin |
| Chân 15 | AN11/RP53 — Analog input 11 / remappable peripheral pin |
| Chân 16 | AVSS — Analog ground reference |
| Chân 17 | AVDD — Analog power supply (3.3V) |
| Chân 18 | AN12/RP52 — Analog input 12 / remappable peripheral pin |
| Chân 19 | AN13/RP51 — Analog input 13 / remappable peripheral pin |
| Chân 20 | AN14/RP50 — Analog input 14 / remappable peripheral pin |
| Chân 21 | AN15/RP49 — Analog input 15 / remappable peripheral pin |
| Chân 22 | VDD — Power supply (3.3V) |
| Chân 23 | VSS — Ground reference |
| Chân 24 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Chân 25 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Chân 26 | RG0 — General purpose I/O port G |
| Chân 27 | RG1 — General purpose I/O port G |
| Chân 28 | RG2 — General purpose I/O port G |
| Chân 29 | RG3 — General purpose I/O port G |
| Chân 30 | RG6/RP48 — Port G I/O / remappable peripheral pin |
| Chân 31 | RG7/RP47 — Port G I/O / remappable peripheral pin |
| Chân 32 | RG8/RP46 — Port G I/O / remappable peripheral pin |
| Chân 33 | RG9/RP45 — Port G I/O / remappable peripheral pin |
| Chân 34 | VSS — Ground reference |
| Chân 35 | VDD — Power supply (3.3V) |
| Chân 36 | CAN1TX — CAN module 1 transmit output |
| Chân 37 | CAN1RX — CAN module 1 receive input |
| Chân 38 | RF3/RP44 — Port F I/O / remappable peripheral pin |
| Chân 39 | RF2/RP43 — Port F I/O / remappable peripheral pin |
| Chân 40 | RF13/RP42 — Port F I/O / remappable peripheral pin |
| Chân 41 | RF12/RP41 — Port F I/O / remappable peripheral pin |
| Chân 42 | PWM1L — PWM output 1 low-side |
| Chân 43 | PWM1H — PWM output 1 high-side |
| Chân 44 | PWM2L — PWM output 2 low-side |
| Chân 45 | PWM2H — PWM output 2 high-side |
| Chân 46 | PWM3L — PWM output 3 low-side |
| Chân 47 | PWM3H — PWM output 3 high-side |
| Chân 48 | VSS — Ground reference |
| Chân 49 | VDD — Power supply (3.3V) |
| Chân 50 | PWM4L — PWM output 4 low-side |
| Chân 51 | PWM4H — PWM output 4 high-side |
| Chân 52 | FLTA — PWM fault A input |
| Chân 53 | RF6/RP40 — Port F I/O / remappable peripheral pin |
| Chân 54 | RF7/RP39 — Port F I/O / remappable peripheral pin |
| Chân 55 | RF8/RP38 — Port F I/O / remappable peripheral pin |
| Chân 56 | PGD3/RP37 — Programming data 3 / remappable peripheral pin |
| Chân 57 | PGC3/RP36 — Programming clock 3 / remappable peripheral pin |
| Chân 58 | RF1/RP35 — Port F I/O / remappable peripheral pin |
| Chân 59 | RF0/RP34 — Port F I/O / remappable peripheral pin |
| Chân 60 | VDD — Power supply (3.3V) |
| Chân 61 | VSS — Ground reference |
| Chân 62 | RB5/RP33 — Port B I/O / remappable peripheral pin |
| Chân 63 | RB4/RP32 — Port B I/O / remappable peripheral pin |
| Chân 64 | RB3/RP31 — Port B I/O / remappable peripheral pin |
| Chân 65 | RB2/RP30 — Port B I/O / remappable peripheral pin |
| Chân 66 | RB1/RP29 — Port B I/O / remappable peripheral pin |
| Chân 67 | RB0/RP28 — Port B I/O / remappable peripheral pin |
| Chân 68 | RB15/RP27 — Port B I/O / remappable peripheral pin |
| Chân 69 | RB14/RP26 — Port B I/O / remappable peripheral pin |
| Chân 70 | RB13/RP25 — Port B I/O / remappable peripheral pin |
| Chân 71 | RB12/RP24 — Port B I/O / remappable peripheral pin |
| Chân 72 | VSS — Ground reference |
| Chân 73 | VDD — Power supply (3.3V) |
| Chân 74 | RB11/TDI — Port B I/O / JTAG test data input |
| Chân 75 | RB10/TCK — Port B I/O / JTAG test clock |
| Chân 76 | RB9/TMS — Port B I/O / JTAG test mode select |
| Chân 77 | RB8/TDO — Port B I/O / JTAG test data output |
| Chân 78 | RB7/PGD2 — Port B I/O / programming data 2 |
| Chân 79 | RB6/PGC2 — Port B I/O / programming clock 2 |
| Chân 80 | VCAP/VDDCORE — Core voltage regulator capacitor connection |
Ứng dụng tiêu biểu
DSPIC33EP64GS808-I/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP64GS808-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Integrated CAN 2.0B module for fieldbus connectivity (vsDSPIC33EP64GS806-I/PT)
- Flash-scalable single-footprint family (vsDSPIC33EP256GS808-I/PT)
- Dual-partition Flash for live firmware updates (vsGeneral-purpose 16-bit MCUs)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
