DSPIC33FJ32GP204-I/ML - 16-bit DSC, 40 MIPS, 32KB Flash | Microchip
料号： DSPIC33FJ32GP204-I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.66 | $46.60 |
| 100 | $4.21 | $421.00 |
| 500 | $3.84 | $1,920.00 |
| 1,000 | $3.42 | $3,420.00 |
DSPIC33FJ32GP204-I/ML 概述
A Digital Signal Controller combines the deterministic control of a microcontroller with the math throughput of a DSP engine. In the power-management hierarchy, the DSC sits above a plain MCU: it pairs a PIC24-style 16-bit CPU with DSP multiply-accumulate instructions, making it a natural fit for closed-loop control such as digital power conversion and motor control, where firmware must execute PID loops at kHz rates.
Key features include Peripheral Pin Select (PPS), which lets designers remap digital peripherals such as UART, SPI, and input capture to almost any I/O pin, dramatically easing PCB routing. The device integrates a high-speed ADC, up to four high-speed analog comparators with direct connections, and high-speed PWM outputs - the analog-intensive periphery that defines the GP (General Purpose) family. Dual program and complex data breakpoints plus IEEE 1149.2-compatible JTAG boundary scan support in-circuit debugging.
Architecturally, the modified Harvard core issues instructions at 40 MHz (40 MIPS nominal), with hardware DSP multiply-accumulate, two address generation units, and zero-overhead looping. The 3.0V to 3.6V supply keeps the core in the modern low-voltage domain, while CMOS process technology balances performance against standby power.
Typical applications include digital power supplies, battery chargers, sensor conditioning, and general-purpose embedded control that benefits from DSP filtering. It also suits industrial automation nodes where PPS simplifies board layout.
A key design consideration: budget the 2 KB of SRAM carefully - DSP buffers for ADC sampling consume RAM quickly, and data pages in X/Y memory spaces must be planned at link time.
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： DSPIC33FJ32GP204-I/ML ——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： DSPIC33FJ32GP204-I/ML （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, Core, Timers, ADC.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ32GP204-E/ML
✅ 直接替换✓ 有现货
$4.42 / 个
查看数据手册 →DSPIC33FJ32MC204-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.37 / 个
查看数据手册 →DSPIC33FJ16GP304-I/ML
✅ 直接替换✓ 有现货
$2.95 / 个
查看数据手册 →DSPIC33FJ16MC304-I/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ32GP204-H/ML
✅ 直接替换✓ 有现货
$3.49 / 个
查看数据手册 →DSPIC33FJ32GP204-I/ML 最大额定值与电气特性
| Core | dsPIC33F 16-bit DSC |
| Max CPU Speed | 40 MIPS (40 MHz) |
| Flash Program Memory | 32 KB |
| SRAM | 2 KB |
| 电源电压 | 3.0 V to 3.6 V |
| I/O Ports | 35 |
| 封装 | 44-QFN (8x8 mm) |
| 工作温度 | -40C to +85C (Industrial, I grade) |
| Peripherals | High-Speed PWM, 12-bit ADC, up to 4 high-speed comparators |
| Peripheral Pin Select | Yes (PPS) |
| JTAG | IEEE 1149.2-compatible boundary scan |
| Debug | 2 program and 2 complex data breakpoints, in-circuit programming |
| 安装类型 | Surface Mount |
| ROM Type | Flash |
| RoHS 状态 | Lead-free, RoHS compliant (/ML package code) |
| Compiler Toolchain | MPLAB XC-DSC C/C++ Compiler |
DSPIC33FJ32GP204-I/ML 44-qfn (8x8 mm) 引脚配置指南
DSPIC33FJ32GP204-I/ML（44-qfn (8x8 mm) 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： DSPIC33FJ32GP204-I/ML.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33FJ32GP204-I/ML 适用于 6 应用s: Digital Power Supplies, Sensor Conditioning and Acquisition, Industrial Automation Nodes, Battery Charging and Power Management, Motor Control (Light Duty), Portable and Embedded Control Devices.
Digital Power Supplies
The DSPIC33FJ32GP204-I/ML fits digitally controlled AC-DC and DC-DC converters because its high-speed PWM and up to four high-speed comparators can form the modulation and fast protection path, while the 12-bit ADC samples output voltage and current for the control loop. At 40 MIPS, a compensation loop executes in single-digit microseconds, supporting switching frequencies of several hundred kHz. Placing the ADC sampling trigger on a PWM event keeps sampling synchronized to the switching cycle, minimizing ripple-induced jitter. Because the controller supplies 3.0V to 3.6V logic and PPS remapping, routing sense lines to any ADC-capable pin simplifies layout around the power stage. The trade-off versus an analog PWM controller is firmware complexity, offset by field-updatable control laws via in-application Flash programming.
推荐
Sensor Conditioning and Acquisition
With its 12-bit ADC, analog comparators, and DSP multiply-accumulate instructions, the GP204 excels at front-end signal chains such as bridge-sensor and thermocouple conditioning. The 40 MIPS core can execute FIR/IIR filtering in the X/Y data spaces, so noise reduction happens on-chip without a separate DSP. Peripheral Pin Select routes UART or SPI results to any convenient pin for system communication. A common design uses timer-triggered ADC sampling into DMA-less double buffers inside the 2 KB SRAM, followed by a periodic filter pass - the SRAM budget of 2 KB limits filter length, so plan coefficient storage carefully. Comparator outputs can implement hardware-level threshold alarms that act even while the CPU services other tasks.
推荐
Industrial Automation Nodes
In factory automation, the DSPIC33FJ32GP204-I/ML serves as an intelligent node handling actuator timing, encoder counting via input capture, and Modbus-style serial communication. The industrial -40C to +85C temperature grade matches cabinet-mounted electronics requirements, and the IEEE 1149.2-compatible JTAG supports production boundary-scan testing of assembled boards. Its 35 I/O with PPS lets a single 44-QFN part replace glue logic, reducing BOM count. PWM outputs drive indicator loads or small actuators with hardware timing independent of CPU load. For larger PLC-class systems needing more Flash, migrate upward in the dsPIC33F family - XAIPART carries pin-compatibility-preserving family members such as the DSPIC33FJ256GP510T-I/PT to support the same code base.
推荐
Battery Charging and Power Management
Smart battery chargers benefit from the GP204's combination of PWM generation, ADC-based voltage/current telemetry, and comparator-based fast fault cutoff. A typical topology uses one high-speed PWM output to drive the charging FET stage while the ADC monitors pack voltage and current through a shunt; the software control law implements CC-CV curves or Li-ion taper profiles, updatable via firmware. The four high-speed comparators provide hardware overcurrent response faster than any software loop. The 3.0V to 3.6V supply suits charger boards that already generate a 3.3V logic rail. Note the 2 KB SRAM constrains logging buffers, so stream telemetry off-chip via UART rather than storing it locally.
推荐
Motor Control (Light Duty)
For fans, pumps, and small BLDC motors, the GP204's high-speed PWM and comparator set cover basic six-step commutation, with back-EMF sensing handled by the ADC and comparators. The 40 MIPS core executes the commutation state machine plus a current loop comfortably. However, for sensorless FOC or sinusoidal drive, choose the same-footprint DSPIC33FJ32MC204-I/ML, whose Motor Control family provides two PWM generators with independent timebases designed for exactly this workload. Migrating between the two requires only a recompile under MPLAB XC-DSC since the core, memory map, and package are shared. Either way, dead-time insertion and fault shutoff should be verified against the switching FET gate-driver timing.
推荐
Portable and Embedded Control Devices
Consumer and instrument-grade embedded devices use the GP204 as the main controller where a 16-bit core, rich analog, and small 8x8 mm QFN footprint keep the PCB compact. CMOS process technology keeps standby current low, suiting battery-powered equipment, while in-circuit programming enables firmware updates at final assembly. The 44-QFN exposed pad provides good thermal and ground performance without a heatsink at these low power levels. Designers should reserve one UART via PPS for a bootloader and lock bit configuration early. When production volumes need cost reduction, the 16 KB Flash DSPIC33FJ16GP304-I/ML in the same footprint offers a cost-down path if the codebase stays under budget.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ32GP204-I/ML ——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 | DSPIC33FJ32GP204-E/ML | DSPIC33FJ32MC204-I/ML | DSPIC33FJ16GP304-I/ML | DSPIC33FJ16MC304-I/ML | DSPIC33FJ32GP204-H/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 16 KB | 16 KB | 32 KB |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (High temp) |
| Peripheral Emphasis | GP: high-speed PWM, ADC, 4 comparators, PPS | Same GP set | MC: 2 PWM generators, independent timebases, PPS | Same GP set | MC set | Same GP set |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
关键差异点
- AEC-Q100 qualification option in identical footprint （对比 DSPIC33FJ32GP204-E/ML)
- General-purpose analog periphery vs motor-control PWM （对比 DSPIC33FJ32MC204-I/ML)
- 32 KB Flash headroom vs family cost-down （对比 DSPIC33FJ16GP304-I/ML)
设计说明
The dsPIC33FJ family uses an on-chip core regulator; a low-ESR ceramic capacitor (typically 10 uF, check the 70290J data sheet value) must be placed directly at the VCAP/VDDCORE pin. Supply the VDD pins from a clean 3.0V to 3.6V rail with 0.1 uF decoupling at each VDD/VSS pair. Because the QFN has multiple VDD/VSS pairs, connect all of them - floating a power pin is a common cause of intermittent brownouts and ADC noise in this family.
Solder the 44-QFN exposed pad to a ground pour with an array of thermal vias; this is the main ground return and thermal path for the 8x8 mm package. Use Peripheral Pin Select to route UART/SPI signals to the pins nearest the connectors rather than forcing long traces to fixed pins - this is the core layout advantage of PPS and reduces EMI from switching edges. Keep the analog ADC input traces short and guarded by ground.
MCLR must be pulled up (typically 10 kohm) and kept below the programming voltage spec during normal operation or in-circuit programming will fail. Do not exceed 32 KB compiled code when planning to substitute the DSPIC33FJ16GP304-I/ML cost-down - the linker will fail only at final integration if memory is not reserved early. Finally, the 2 KB SRAM constrains DSP buffering; estimate X/Y memory usage at architecture time, not after implementing the filters.
合规信息
The /ML package suffix indicates lead-free RoHS-compliant construction; lead-free confirmed via digchip package description (LEAD FREE, PLASTIC). AEC-Q100 qualification applies to the -E/ML variant, not this -I/ML part.