DSPIC33FJ128GP310-I/PF - 40MIPS 128KB DSC | Microchip
料号： DSPIC33FJ128GP310-I/PF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.21 | $62.10 |
| 100 | $5.52 | $552.00 |
| 500 | $4.97 | $2,485.00 |
| 1,000 | $4.48 | $4,480.00 |
DSPIC33FJ128GP310-I/PF 概述
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral integration and control-oriented instruction set of a microcontroller. Within the power management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33F family a common choice for closed-loop control loops that also need fast math: the 16-bit modified Harvard architecture with DSP multiply-accumulate (MAC) instructions executes digital filters and transforms at up to 40 MIPS.
Key features of the DSPIC33FJ128GP310-I/PF include 40 MIPS operation at 3.0 V to 3.6 V supply, 128 KB self-programmable flash, 16 KB SRAM, 51 I/O ports, and advanced analog peripherals suited to precision signal acquisition. The GP (General Purpose) variant balances motor control, sensor fusion, and general embedded workloads, with seamless migration options to PIC24 MCUs and dsPIC30F DSCs per Microchip's family documentation.
Technically, the controller uses a 16-bit dsPIC33F RISC core with a phase-locked-loop clock system; an external 40 MHz-class oscillator can be multiplied internally to reach full-speed 40 MIPS operation. Flash endurance on this family is low (guaranteed only 100 erase/write cycles per Microchip documentation), so avoid in-application data logging to flash.
Typical applications include industrial motor control, digital power supplies, audio signal processing, sensor conditioning, and instrumentation front ends where 16-bit control plus DSP math outperforms an 8-bit MCU.
Design consideration: budget PCB decoupling per Microchip layout guidelines and verify that the 100-cycle flash endurance suits your programming workflow.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33FJ128GP310-I/PF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33FJ128GP310-I/PF （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Operating Temperature, Migration Path, Product Family.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ128GP310A-I/PF
✅ 直接替换✓ 有现货
$5.7 / 个
查看数据手册 →DSPIC33FJ256GP310-I/PF
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ64GP310-I/PF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.25 / 个
查看数据手册 →DSPIC33FJ256GP710-I/PF
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ128GP710-I/PF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.68 / 个
查看数据手册 →DSPIC33FJ128GP310-I/PF 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33F RISC / DSC |
| Maximum Clock Speed | 40 MIPS |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| RAM Size | 16 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| I/O Ports | 51 |
| Package Type | TQFP-100 (PF), 12 x 12 mm, 1 mm height |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (I grade) |
| Flash Endurance | 100 erase/write cycles (minimum, per Microchip documentation) |
| 数据总线宽度 | 16 bit |
| Program Memory Type | Flash |
| Series | dsPIC33FJXXXGPX06/X08/X10 General Purpose |
| 无卤 | Compliant |
| Lifecycle Stage | Active |
| Migration Path | Seamless migration to PIC24 MCUs and dsPIC30F DSC |
| Development Platform | Explorer 16/32 Development Board with PIM support |
DSPIC33FJ128GP310-I/PF tqfp-100 (pf), 12 x 12 mm, 1 mm height 引脚配置指南
DSPIC33FJ128GP310-I/PF（tqfp-100 (pf), 12 x 12 mm, 1 mm height 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33FJ128GP310-I/PF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33FJ128GP310-I/PF 适用于 6 应用s: Industrial Motor Control, Digital Power Supplies, Audio Signal Processing, Sensor Conditioning and Instrumentation, Industrial Automation and Control Nodes, Embedded IoT and Smart Sensor Devices.
Industrial Motor Control
The DSPIC33FJ128GP310-I/PF fits motor control because its 16-bit dsPIC33F core executes 40 MIPS, allowing field-oriented control (FOC) current loops to close at PWM-matched rates while DSP multiply-accumulate instructions run Clarke/Park transforms and PI compensation in hardware-friendly single cycles. Its 51 I/O pins support multiple PWM outputs, quadrature encoder interface, and fault inputs concurrently on one TQFP-100 footprint. Firmware occupies a fraction of the 128 KB flash, leaving room for protocol stacks. Compared with 8-bit MCUs, the deterministic interrupt latency and single-cycle MAC substantially reduce loop jitter, improving torque ripple and efficiency in BLDC, PMSM, and ACIM drives. The 3 V to 3.6 V supply integrates cleanly with standard gate-driver level-shifting designs.
推荐
Digital Power Supplies
In digitally controlled AC/DC and DC/DC converters, the DSPIC33FJ128GP310-I/PF provides the 40 MIPS throughput required to run voltage- and current-mode compensators at switching-frequency sampling rates, with 16-bit control resolution exceeding typical analog error amplifiers. The 128 KB flash stores multiple converter profiles and firmware-update images, and the 16 KB SRAM buffers transient logging. Its deterministic core timing lets designers place ADC sampling precisely relative to PWM edges, minimizing switching-noise corruption of feedback. Because the GP310 shares its footprint with 64 KB and 256 KB flash siblings, a single PCB supports feature-tiered product lines. Designers should add filtering between feedback dividers and the analog inputs to preserve accuracy at 3.3 V full-scale.
推荐
Audio Signal Processing
The DSPIC33FJ128GP310-I/PF serves audio applications - effects units, active crossovers, and audio analysis tools - through its DSP multiply-accumulate capability at 40 MIPS, which sustains multiple biquad IIR filters or moderate-length FIR filters per channel in real time. The 128 KB flash retains coefficient tables, presets, and communication firmware; 16 KB SRAM accommodates audio buffering at standard sample rates. For audio products where a clean analog rail matters, pair the controller with a low-noise LDO such as the TI TPS7A4701 to keep supply noise below the converter floor. The 51 I/O pins handle user interfaces (encoders, displays, MIDI) alongside the audio path on a single controller, reducing BOM count versus MCU-plus-DSP chipsets.
推荐
Sensor Conditioning and Instrumentation
Precision sensing front ends benefit from the DSPIC33FJ128GP310-I/PF's combination of fast, deterministic sampling and on-chip DSP math: 40 MIPS supports oversampling and digital filtering that lift effective resolution beyond the raw ADC bit depth, while flash-based calibration tables (within the 100-cycle endurance budget) hold per-unit correction coefficients. The industrial -40C to +85C rating of the -I grade suits factory-floor instruments, and the 51 I/O pins drive relays, displays, and communication links directly. Typical products include weigh scales, thermal instruments, and vibration analyzers. Because the GP310 family offers seamless migration to PIC24 MCUs, designs can be retargeted if the DSP math is later removed, protecting long-term software investment.
推荐
Industrial Automation and Control Nodes
As a factory automation node, the DSPIC33FJ128GP310-I/PF combines real-time control (40 MIPS, deterministic interrupts) with the connectivity and I/O needed for machine sub-functions: 51 I/O lines drive digital inputs/outputs, while its 16-bit core runs PID loops, protocol handling, and diagnostic math concurrently. The 128 KB flash accommodates fieldbus stacks and parameter storage, and the -I temperature grade covers industrial cabinets. Compared with a general MCU plus external DSP, the single-chip DSC reduces board area, boot time, and inter-chip failure points. Using the same TQFP-100 footprint across 64/128/256 KB family members lets one PCB design serve basic I/O modules and intelligent sensor-hub variants with only a component swap.
推荐
Embedded IoT and Smart Sensor Devices
For IoT edge nodes and smart sensors, the DSPIC33FJ128GP310-I/PF delivers local signal processing (FFT-based condition monitoring, filter chains) at 40 MIPS before data is transmitted, reducing bandwidth and cloud compute costs. The 16 KB SRAM buffers sample windows, and 128 KB flash stores stack, application, and over-the-air update images. Its 3 V to 3.6 V operation matches common Li-ion/regulator rails with 3.3 V logic peripherals. Pair the controller with a USB-capable PIC18 for local configuration interfaces or with a wireless module for connectivity. Engineers should note the 100-cycle flash endurance when planning parameter logging - use external nonvolatile memory for high-frequency writes and reserve internal flash for firmware and static configuration.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ128GP310-I/PF ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33FJ128GP310A-I/PF | DSPIC33FJ256GP310-I/PF | DSPIC33FJ64GP310-I/PF | DSPIC33FJ256GP710-I/PF | DSPIC33FJ128GP710-I/PF |
|---|---|---|---|---|---|---|
| Package | TQFP-100 | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB | 128 KB | 256 KB | 64 KB | 256 KB | 128 KB |
| Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Peripheral Subfamily | GP310 (General Purpose) | GP310A (same, A-stepping) | GP310 (same) | GP310 (same) | GP710 (variant - verify peripherals) | GP710 (variant - verify peripherals) |
| Silicon Stepping | Original (see errata) | A-stepping (errata corrected) | Original | Original | Original | Original |
关键差异点
- Corrected silicon available as exact drop-in （对比 DSPIC33FJ128GP310A-I/PF)
- Flash-size scaling on one PCB footprint （对比 DSPIC33FJ256GP310-I/PF)
- Cost-optimization path within the same package （对比 DSPIC33FJ64GP310-I/PF)
- GP310 peripheral set vs GP710 variant （对比 DSPIC33FJ256GP710-I/PF)
设计说明
Flash endurance on the dsPIC33FJ128GP310 is guaranteed for only 100 erase/write cycles per Microchip documentation - far below the 1000+ cycles common on other MCUs. During development, this wears out parts quickly under iterative reprogramming, so rotate several boards or use a device with an emulated EEPROM workflow. In production firmware, never store frequently changing data in internal flash; use an external EEPROM or FRAM. Reserve internal flash strictly for program code and rarely changed configuration constants.
Supply the DSPIC33FJ128GP310-I/PF from a clean 3.3 V rail within the 3 V to 3.6 V window. Decouple each VDD/VSS pair with 0.1 uF ceramics placed within a few millimeters of the pins, plus bulk capacitance near the package. The internal PLL multiplies the oscillator to full 40 MIPS speed, so clock-source noise translates directly into core jitter - use a quality crystal or oscillator and follow Microchip's oscillator layout guidance. Verify analog supply filtering if the on-chip analog peripherals are used for precision sampling.
The TQFP-100 (12 x 12 mm) has 0.5 mm pitch leads; specify a solder-paste stencil and land pattern per the Microchip package outline drawing and IPC guidance for fine-pitch QFP. Because the same footprint is shared across the GP310 64/128/256 KB and GP710 variants, design the PCB once and populate per product tier - but note GP710 peripheral differences before qualifying a dual-source BOM. Provide test-point access to ICSP programming pins (PGD/PGC, MCLR) for in-circuit flashing with MPLAB tools.
合规信息
Halogen-free compliant per datasheet aggregate data (globalspec). RoHS/lead-free status inferred from standard Microchip -I/PF industrial packaging; confirm on Microchip's official environmental page for certificate documentation.
