DSPIC33FJ64GP802-H/SO - 16-bit 64KB DSC 40MHz AEC-Q100 | Microchip
MPN： DSPIC33FJ64GP802-H/SO ✓ 啟用中DSPIC33FJ64GP802-H/SO 概覽
A digital signal controller combines the compute architecture of a microcontroller with the mathematical acceleration of a digital signal processor. In the system hierarchy, the dsPIC33F family sits between general-purpose 16-bit MCUs and dedicated DSPs, providing a RISC core, hardware multiply-accumulate (MAC) units, and DSP-style addressing modes within a familiar MCU development ecosystem. This makes the family suitable for control loops and signal processing tasks that neither a plain MCU nor a costlier DSP serves efficiently.
Key features of this device include 64 KB (64K x 8) of self-programming Flash, 16 KB of RAM, an on-chip CAN 2.0B module for automotive and industrial networking, DMA controllers for low-overhead data movement, and the advanced analog peripherals typical of the dsPIC33F GP series. The -H/ suffix denotes an extended temperature grade, and the /SO suffix specifies the 28-lead SOIC package. Per the Microchip product page, the part status is In Production.
Architecturally, the dsPIC33FJ64GP802 executes a 16-bit modified Harvard RISC instruction set, with dedicated DSP engine instructions for digital filtering and high-speed precision control loops. According to Microchip documentation, dsPIC33F devices are designed to execute digital filter algorithms and high-speed precision digital control loops, ideal for applications that need to perform under pressure. The supply voltage range of 3 V to 3.6 V supports standard 3.3 V rails, and 21 I/O lines are available in the 28-pin package.
Typical applications include automotive sensor interfaces and CAN networked nodes, digital power supplies and motor control, and audio or sensor signal processing where 16-bit DSP instructions and AEC-Q100 qualification are required. The 40 MHz clock and hardware MAC unit let the controller close control loops in the tens of microseconds while still handling protocol stacks.
Design consideration: the -H grade has a different operating temperature ceiling than the -I grade; verify the ambient profile before choosing between suffixes, as both share the same die and SOIC footprint. All supply pins must be decoupled and MCLR properly biased for in-circuit programming.
This page synthesizes distributor pricing tiers, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, consolidating data verified as of 2026-09-27.
直接替換替代品，適用於 DSPIC33FJ64GP802-H/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-H/SO （相同外形與佔位） — 差異在於 Package, Analog Comparators, Core Architecture, RoHS Status, ADC.
DSPIC33FJ64GP202T-I/SO
✅ 直接替換聯絡詢價
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）
DSPIC33FJ32GP202T-I/SO
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33FJ16GS502-H/SO
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ16GS502-E/SO
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ64GP802-H/SO 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC RISC |
| Flash Program Memory | 64 KB (64K x 8) |
| SRAM | 16 KB |
| Clock Speed | 40 MHz |
| Performance | 20 MIPS |
| 供應電壓 | 3 V to 3.6 V |
| 封裝 | 28-SOIC (0.295 in, 7.50 mm width) |
| I/O Ports / Lines | 21 |
| Communication Interfaces | CAN, UART, SPI, I2C |
| DMA | Yes |
| Qualification | Automotive, AEC-Q100 |
| RoM Type | Flash (self-programming) |
| 生命週期狀態 | Active (In Production) |
| 安裝類型 | Surface Mount |
| Packaging | Tube |
| Series | dsPIC33FJ GP |
DSPIC33FJ64GP802-H/SO 腳位配置
| 腳位 1 | MCLR — Master clear reset (active low) / programming voltage input |
| 腳位 2 | RA0/AN0 — Port A bit 0 / analog input 0 |
| 腳位 3 | RA1/AN1 — Port A bit 1 / analog input 1 |
| 腳位 4 | RB0/PGD — Port B bit 0 / programming data |
| 腳位 5 | RB1/PGC — Port B bit 1 / programming clock |
| 腳位 6 | RB2 — Port B bit 2 |
| 腳位 7 | RB3 — Port B bit 3 |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | RA2 — Port A bit 2 |
| 腳位 10 | RA3 — Port A bit 3 |
| 腳位 11 | RB4 — Port B bit 4 |
| 腳位 12 | RA4 — Port A bit 4 (open-drain) |
| 腳位 13 | VDD — Power supply (3 V to 3.6 V) |
| 腳位 14 | RB5 — Port B bit 5 |
| 腳位 15 | RB6 — Port B bit 6 |
| 腳位 16 | RB7 — Port B bit 7 |
| 腳位 17 | VDD — Power supply |
| 腳位 18 | VSS — Ground reference |
| 腳位 19 | RB8 — Port B bit 8 |
| 腳位 20 | RB9 — Port B bit 9 |
| 腳位 21 | RB10 — Port B bit 10 |
| 腳位 22 | RB11 — Port B bit 11 |
| 腳位 23 | VSS — Ground reference |
| 腳位 24 | RB12 — Port B bit 12 |
| 腳位 25 | RB13 — Port B bit 13 |
| 腳位 26 | RB14 — Port B bit 14 |
| 腳位 27 | RB15 — Port B bit 15 |
| 腳位 28 | AVDD — Analog power supply |
典型應用
DSPIC33FJ64GP802-H/SO 適用於 6 應用s: Automotive CAN Network Nodes, Digital Power Supplies and SMPS Control, Motor Control Drives, Audio and Sensor Signal Processing, Industrial Automation and Building Control, Battery-Powered Portable Instrumentation.
Automotive CAN Network Nodes
The DSPIC33FJ64GP802-H/SO is AEC-Q100 qualified specifically for automotive environments, and its integrated CAN 2.0B module makes it a natural fit for body-control, sensor, and actuator nodes on a vehicle network. The 40 MHz core with 20 MIPS throughput closes control loops in the tens of microseconds while the DMA engine streams CAN and ADC data without CPU intervention. The 64 KB Flash accommodates CAN calibration, diagnostic (UDS-style) stacks, and application logic in a single chip. In a typical node, the device reads analog sensors through its ADC at kilohertz rates, filters and processes signals using the hardware DSP MAC engine, and transmits periodic and event messages on the CAN bus. The 3 V to 3.6 V supply matches standard automotive-clamped 3.3 V rails, and the 28-SOIC package supports wave-solderable, inspection-friendly assemblies common in automotive tiers.
推薦
Digital Power Supplies and SMPS Control
High-speed precision digital control loops are a stated design target of the dsPIC33F family, and the DSPIC33FJ64GP802-H/SO delivers this with its 40 MHz core, DSP multiply-accumulate engine, and DMA. In a digitally controlled buck or PFC stage, the controller samples output voltage and current through the ADC, executes a compensation filter in the DSP engine with deterministic cycle timing, and updates the PWM duty cycle at switching frequencies in the tens to hundreds of kilohertz. The 16 KB SRAM comfortably holds multiple control state variables, compensation tables, and telemetry buffers, while 64 KB Flash stores firmware, lookup tables, and fault logs. The 21 I/O lines interface gate drivers, shutdown comparators, and communication ports. For cost-sensitive power boards that do not need the GS family's specialized SMPS peripherals, this GP variant provides a flexible general-purpose controller footprint.
推薦
Motor Control Drives
The DSPIC33FJ64GP802-H/SO suits compact motor-control drives such as FOC-controlled brushless DC and permanent-magnet synchronous motors. The 20 MIPS 16-bit core executes field-oriented-control math including Park/Clarke transforms using the hardware DSP MAC unit, with PWM peripherals generating complementary outputs and the ADC synchronously sampling phase currents at the PWM midpoint to minimize switching noise. DMA moves current samples to memory without CPU load, preserving headroom for speed loops and protection routines. The 3 V to 3.6 V operation simplifies interface to isolated gate-drive logic, and the CAN module links the drive to industrial or automotive supervisors. The 28-SOIC package keeps board area small for integrated driver stages up to a few hundred watts. The -H grade and AEC-Q100 qualification extend applicability into automotive auxiliary motor applications such as pumps and HVAC blowers.
推薦
Audio and Sensor Signal Processing
The GP802 variant of the dsPIC33FJ family carries the extended analog and audio-oriented peripheral set of the GP series, making the DSPIC33FJ64GP802-H/SO appropriate for audio preprocessing, microphone arrays, and vibration or acoustic sensing. The DSP engine executes FIR and IIR filters on sample streams using single-cycle multiply-accumulate instructions, while DMA keeps ADC-to-memory transfers off the CPU. The 64 KB Flash holds substantial filter coefficient tables, decimation chains, and a communication stack simultaneously. The 3 V to 3.6 V supply matches portable and battery-fed analog front ends, and the 28-SOIC package with 7.50 mm width supports hand-assembly for prototype audio hardware. In industrial condition-monitoring nodes, the same DSP pipeline processes accelerometer spectra and the CAN or UART interface forwards feature data upstream, all within one 16-bit controller.
推薦
Industrial Automation and Building Control
In industrial automation nodes, the DSPIC33FJ64GP802-H/SO acts as a compact intelligent slave combining sensing, local control loops, and network communication. Its UART, SPI, and I2C ports interface displays, EEPROM, and field sensors, while the CAN module connects to plant buses and RS-485-style links are emulated over UART. The 40 MHz core runs PID loops at kilohertz rates for valves, dampers, and small actuators, and 64 KB Flash accommodates protocol handling plus application logic without external memory. The wide 3 V to 3.6 V tolerance tolerates noisy industrial 3.3 V rails, and the 21 I/O lines cover relay drivers, limit switches, and status LEDs. The surface-mount 28-SOIC package supports automated assembly for control-board volume production, and the dsPIC DSP capability adds FFT-based diagnostics where predictive maintenance is required.
推薦
Battery-Powered Portable Instrumentation
For portable meters, loggers, and hand instruments, the DSPIC33FJ64GP802-H/SO offers a 3 V to 3.6 V supply window that sits directly on a single lithium-ion cell via an LDO or a three-cell alkaline stack, keeping the power tree to one rail. The 16-bit core executes measurement sequencing and DSP filtering efficiently, and the device family supports power-managed operating modes that scale clock speed to workload, which is essential for extending battery life between charges. The 64 KB Flash stores calibration constants, logging firmware, and user-interface code, while the 16 KB SRAM buffers measurement sessions. The 28-SOIC package is large enough for prototype rework in low-volume instruments, yet small enough for handheld PCBs. AEC-Q100 qualification additionally makes this controller suitable for portable professional diagnostic tools destined for vehicle workshops.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33FJ64GP802-H/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 | DSPIC33FJ64GP202T-I/SO | DSPIC33FJ32GP302-I/SO | DSPIC33FJ16GS502-H/SO |
|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 32 KB | 16 KB |
| Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Peripheral Focus | GP with CAN, DMA, advanced analog | GP (reduced analog set) | GP (same datasheet family) | GS digital-power (SMPS peripherals) |
主要差異化特點
- Largest Flash in the pin-compatible group (對比DSPIC33FJ32GP302-I/SO)
- Automotive qualified (對比DSPIC33FJ32GP302-I/SO)
- Trade-off: cost vs dedicated power peripherals (對比DSPIC33FJ16GS502-H/SO)
設計說明
Supply the DSPIC33FJ64GP802-H/SO from a 3 V to 3.6 V rail (nominal 3.3 V). Decouple every VDD pin (pins 13 and 17) with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus one 4.7 uF to 10 uF bulk capacitor near the regulator. Decouple the analog supply pin separately with a ferrite bead or RC filter from the digital rail to preserve ADC accuracy. Estimated: a 30 mA average core current on a 3.3 V rail draws about 100 mW, well within any LDO budget.
Keep the CAN transceiver (e.g., MCP2551) within 2 cm of the CAN TX/RX pins and route the differential pair with 120 ohm characteristic impedance, terminating at the bus ends only. Route PGD/PGC programming traces (RB0/RB1, pins 4-5) to a header on every production board for field firmware updates. Keep the analog input traces away from the CAN and PWM routing to prevent crosstalk into ADC channels.
Do not confuse the -H, -I, and -E temperature grades when qualifying builds: they share the die and footprint but differ in environmental ratings. Verify MCLR is pulled up (typically 10 kohm) and never left floating, or the device may enter reset unpredictably. When substituting a GP802 with a GP202 or GS502 pin-compatible part, confirm firmware does not depend on GP802-specific audio/analog peripherals before swapping.
合規資訊
AEC-Q100 automotive qualification is explicitly stated in distributor descriptions (Microchip USA, DigiKey, datasheets.com). Other compliance statuses not stated in the provided data.
