DSPIC33FJ64GP802-E/SO - 16-bit DSC, 64KB Flash, 40 MIPS | Microchip
MPN： DSPIC33FJ64GP802-E/SO ✓ 啟用中DSPIC33FJ64GP802-E/SO 概覽
A digital signal controller is a hybrid class of semiconductor that merges the peripheral set and ease-of-use of a microcontroller (MCU) with the computational hardware of a digital signal processor (DSP). Within the power-management and embedded-processing hierarchy, the dsPIC33FJ family sits under the 16-bit MCU/DSC taxonomy, sitting above 8-bit PIC MCUs in math throughput while remaining simpler than 32-bit application processors. DSCs are the workhorses of high-speed precision digital control loops.
Key features include hardware multiply, divide, and barrel shifter units for single-cycle DSP operations, 8-channel direct memory access (DMA) for moving ADC and serial data without CPU intervention, a CAN 2.0B controller for industrial and automotive networking, and multiple serial ports (UART, SPI, I2C) managed through Microchip's Peripheral Pin Select (PPS) scheme. The core executes two instructions per clock cycle, delivering the 40 MIPS rating from an internal PLL.
Architecturally, the dsPIC33F uses a modified Harvard bus structure with separate program and data paths, a 16-bit ALU plus 40-bit accumulator support for DSP multiply-accumulate (MAC) instructions, and a vectored interrupt controller with deterministic latency. Flash program memory is self-programmable for field firmware updates, and the device operates from a single 3.3V supply with an internal oscillator and fail-safe clock monitoring.
Typical applications include motor control (BLDC, PMSM, stepper), digital power supplies and power factor correction, industrial automation and CAN networking nodes, and signal-conditioning or digital-filter front ends in measurement equipment. The E-grade temperature rating and AEC-Q100 qualification make it suitable for automotive under-hood and harsh industrial environments.
Design consideration: the dsPIC33FJ family requires careful power-up sequencing and proper decoupling (0.1uF on every VDD/VSS pair); the Peripheral Pin Select must be locked after configuration to prevent runtime remapping of critical pins.
This page synthesizes distributor pricing, drop-in alternatives, compliance data, and practical design notes not consolidated in the manufacturer datasheet (436-page family datasheet, 6 MB).
直接替換替代品，適用於 DSPIC33FJ64GP802-E/SO — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33FJ64GP802-E/SO （相同外形與佔位） — 差異在於 Operating Temperature, Package, Core Architecture, Packaging, Serial I/O Ports.
DSPIC33FJ64GP802-I/SO
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ64GP202T-I/SO
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ32GP302-I/SO
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ64GP802-E/SO 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33F RISC |
| 最大時脈頻率 | 40 MHz (40 MIPS instruction rate) |
| Flash Program Memory | 64 KB |
| SRAM | 16 KB |
| 供應電壓 | 3.3 V |
| DMA Channels | 8 |
| Timers | 7 |
| Serial I/O Ports | 3 (UART, SPI, I2C via PPS) |
| CAN Controller | Yes (CAN 2.0B) |
| ADC Resolution | 10-bit |
| 工作溫度 | -40C to +125C (E grade) |
| 封裝 | 28-pin SOIC (SOIC-28), 1.27 mm pitch |
| 安裝類型 | Surface Mount |
| Packaging | Tube |
| Qualification | AEC-Q100 (automotive) |
DSPIC33FJ64GP802-E/SO 28-pin soic (soic-28), 1.27 mm pitch 腳位配置指南
DSPIC33FJ64GP802-E/SO（28-pin soic (soic-28), 1.27 mm pitch 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33FJ64GP802-E/SO.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33FJ64GP802-E/SO 適用於 6 應用s: BLDC/PMSM Motor Control, Digital Power Supplies and PFC, Industrial CAN Networking Nodes, Audio Signal Processing, Smart Sensors and IoT Edge Nodes, Automotive Body and Convenience Control.
BLDC/PMSM Motor Control
The DSPIC33FJ64GP802-E/SO is a proven fit for field-oriented control (FOC) of BLDC and PMSM motors because its DSP engine executes single-cycle multiply-accumulate instructions at 40 MIPS, exactly the throughput needed for current-loop bandwidths in the 10-20 kHz range. The 10-bit ADC with 8 DMA channels streams phase-current samples into RAM without CPU intervention, while the 7 timers generate complementary PWM with dead-time control. Firmware designers use Microchip's motor-control libraries on MPLAB X with XC16; the 64 KB Flash holds a complete sensorless FOC stack with parameter estimation. The -40C to +125C E-grade rating suits pump, fan, and traction-adjacent motor drives.
推薦
Digital Power Supplies and PFC
In digitally controlled AC-DC and DC-DC converters, the DSPIC33FJ64GP802-E/SO replaces analog control ICs with firmware-defined voltage-mode or current-mode loops. The 40 MIPS core closes compensation loops fast enough for 100-500 kHz power stages, while the DSP MAC engine implements 3P3Z (three-pole, three-zero) compensators and power factor correction algorithms deterministically. The 10-bit ADC plus DMA path keeps sampling jitter low, which directly translates to lower output ripple and better transient response. The AEC-Q100 qualification and -40C to +125C rating let the same control platform serve telecom rectifiers and on-board charger stages, and firmware updates enable field retuning of loop gains without hardware changes.
推薦
Industrial CAN Networking Nodes
The integrated CAN 2.0B controller in the DSPIC33FJ64GP802-E/SO makes it a compact single-chip node for factory automation buses, J1939-adjacent vehicle networks, and distributed I/O. Because CAN is on-chip, no external CAN controller is required, reducing BOM count and latency; the 8 DMA channels offload message FIFO handling from the CPU. The Peripheral Pin Select lets engineers place UART, SPI, and I2C functions on optimal pins for their PCB, simplifying sensor gateway designs that combine analog inputs (AN0-AN5) with serial links. With 64 KB Flash, the controller holds protocol stacks, diagnostics, and bootloader code simultaneously, and the E-grade temperature rating supports sealed industrial enclosures.
推薦
Audio Signal Processing
The GP (general purpose) variant family of the dsPIC33FJ64GP802-E/SO includes audio-grade peripherals, and its DSP engine efficiently runs FIR and IIR filters, sample-rate conversion, and noise-gate or AGC algorithms at audio frame rates. With 40 MIPS available, a 16-bit audio path at 48 kHz leaves ample headroom for multi-band processing; the hardware MAC unit executes tap updates in single cycles. Peripheral Pin Select allows flexible assignment of SPI to drive external audio codecs, and the 16 KB SRAM buffers multiple audio blocks for latency management. Typical uses include pro-audio wall plates, karaoke mixers, and conference-room DSP endpoints where the -40C to +125C range exceeds consumer requirements but guarantees reliability.
推薦
Smart Sensors and IoT Edge Nodes
The DSPIC33FJ64GP802-E/SO works as an intelligent sensor front end where raw transducer signals must be filtered and characterized locally: the 10-bit ADC captures AN0-AN5 inputs, the DSP core applies digital filtering and linearization, and I2C/UART (via PPS) reports processed values upstream. Self-programmable Flash enables field firmware and calibration updates, and the internal oscillator plus fail-safe clock monitoring keeps the node running in electrically noisy environments without an external crystal. At 3.3V single-supply operation, integration with standard sensor ICs is direct. The extended temperature rating supports outdoor and cold-chain monitoring nodes, and the 28-SOIC footprint fits compact sensor PCBs.
推薦
Automotive Body and Convenience Control
With AEC-Q100 qualification, the CAN 2.0B controller, and the -40C to +125C E-grade rating, the DSPIC33FJ64GP802-E/SO addresses automotive body electronics such as seat modules, lighting control, wiper subsystems, and HVAC actuators. The 40 MIPS core executes LIN/CAN gateway logic and PWM actuator control concurrently, while the 7 timers handle blink-rate, soft-start, and diagnostic timing functions in hardware. The 64 KB Flash accommodates diagnostic (UDS-style) firmware layers alongside application code, and the deterministic interrupt controller meets ISO-style response requirements for fault handling. Designers on the Explorer 16/32 development platform can prototype the node before committing to automotive PCB layout.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33FJ64GP802-E/SO — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33FJ64GP802-I/SO | DSPIC33FJ64GP202T-I/SO | DSPIC33FJ32GP302-I/SO |
|---|---|---|---|---|
| Package | SOIC-28 | SOIC-28 - same | SOIC-28 - same | SOIC-28 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 64 KB | 32 KB |
| Max Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| CAN Controller | Yes (CAN 2.0B) | Yes (CAN 2.0B) | No | No |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
主要差異化特點
- Extended -40C to +125C temperature rating (對比DSPIC33FJ64GP802-I/SO)
- Integrated CAN 2.0B controller (對比DSPIC33FJ64GP202T-I/SO)
- Double the program memory of the entry GP family part (對比DSPIC33FJ32GP302-I/SO)
設計說明
Provide a clean 3.3V rail with 0.1uF ceramic decoupling on each VDD/VSS pair placed within 5 mm of the pins, plus a 4.7-10uF bulk capacitor near the device. The dsPIC33F core draws current spikes at the 40 MIPS instruction rate; inadequate high-frequency decoupling shows up as ADC noise and spurious resets. Per Microchip's family datasheet power guidelines, keep the analog supply path separate with an RC or ferrite filter feeding AVDD to preserve 10-bit ADC accuracy in motor-drive environments.
The Peripheral Pin Select (PPS) lets you map UART, SPI, and I2C onto multiple RPx pins, which is powerful but a common pitfall: always lock PPS after configuration (unlock sequence followed by lock write) to prevent a runaway pointer from remapping communication pins at runtime. Also reserve programming access to PGD/PGC pins on the PCB, or use a 5-pin Tag-Connect footprint, since in-circuit serial programming (ICSP) is the only way to recover a device with a corrupted oscillator configuration.
Estimated: at 3.3V and a typical active current in the tens of mA range for the dsPIC33F core, internal dissipation is on the order of 0.1-0.2 W, which is comfortably handled by a 28-SOIC on ordinary FR-4 without heatsinking. The binding constraint is not silicon temperature but the ambient rating: the E grade guarantees -40C to +125C junction operation, so verify that total PCB-level heat sources (drivers, regulators) keep local ambient below the rated maximum in sealed enclosures. Confirm exact theta_JA in the datasheet package section before thermal sign-off.
合規資訊
AEC-Q100 automotive qualification confirmed by datasheets.com part data ('automotive aec-q100'). RoHS/REACH/lead-free certificates were not present in the retrieved web data - request material declarations from Microchip or distributor before compliance sign-off.
