DSPIC33FJ32GP204-I/ML - 16-bit DSC, 40 MIPS, 32KB Flash | Microchip
部品番号: DSPIC33FJ32GP204-I/ML ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 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 概要
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.
ドロップイン代替品: DSPIC33FJ32GP204-I/ML — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: DSPIC33FJ32GP204-I/ML （同一形状・フットプリント） — 相違点: Operating Temperature, Package, Core, Timers, ADC.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33FJ32GP204-E/ML
✅ ドロップイン✓ 在庫あり
$4.42 / 個
データシートを見る →DSPIC33FJ32MC204-I/ML
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.37 / 個
データシートを見る →DSPIC33FJ16GP304-I/ML
✅ ドロップイン✓ 在庫あり
$2.95 / 個
データシートを見る →DSPIC33FJ16MC304-I/ML
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33FJ32GP204-H/ML
✅ ドロップイン✓ 在庫あり
$3.49 / 個
データシートを見る →DSPIC33FJ32GP204-I/ML 最大定格＆電気的特性
| Core | dsPIC33F 16-bit DSC |
| Max CPU Speed | 40 MIPS (40 MHz) |
| Flash Program Memory | 32 KB |
| SRAM | 2 KB |
| 電源電圧 | 3.0 V to 3.6 V |
| I/O Ports | 35 |
| パッケージ | 44-QFN (8x8 mm) |
| 動作温度 | -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 |
| 実装タイプ | Surface Mount |
| ROM Type | Flash |
| RoHS ステータス | Lead-free, RoHS compliant (/ML package code) |
| Compiler Toolchain | MPLAB XC-DSC C/C++ Compiler |
DSPIC33FJ32GP204-I/ML 44-qfn (8x8 mm) ピン配置ガイド
DSPIC33FJ32GP204-I/ML (44-qfn (8x8 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: DSPIC33FJ32GP204-I/ML.
詳細は データシート をご参照ください。
主な用途
DSPIC33FJ32GP204-I/ML の用途: 6 件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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: DSPIC33FJ32GP204-I/ML — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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 |
主な差別化要因
- AEC-Q100 qualification option in identical footprint （vs DSPIC33FJ32GP204-E/ML)
- General-purpose analog periphery vs motor-control PWM （vs DSPIC33FJ32MC204-I/ML)
- 32 KB Flash headroom vs family cost-down （vs DSPIC33FJ16GP304-I/ML)
設計ノート
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.
コンプライアンス情報
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.