DSPIC33FJ32MC302T-I/MM - 16-bit DSC 40MIPS 32KB Flash | Microchip
部品番号: DSPIC33FJ32MC302T-I/MM ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.85 | $48.50 |
| 100 | $4.68 | $468.00 |
| 500 | $4.32 | $2,160.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC33FJ32MC302T-I/MM 概要
A digital signal controller combines the computational throughput of a DSP with the deterministic control and peripheral integration of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and dedicated DSPs, and is the preferred choice when motor-control PWM, fast ADC sampling, and closed-loop control loops must run on a single chip.
Key features include a modified Harvard 16-bit architecture executing up to 40 MIPS, 32 KB (32K x 8) of self-programmable Flash, DSP engine instructions (MAC, DSP multiply) with single-cycle execution, and motor-control PWM peripherals plus advanced analog blocks as described in the dsPIC33FJ32MC302 family datasheet. The device offers 21 I/O ports and is pin compatible with the PIC24HJ family, with a high degree of compatibility with dsPIC30F and dsPIC33F devices for seamless migration.
The CMOS process and 16-bit core provide efficient high-speed repetitive computation typical of field-oriented motor control, digital power conversion, and sensor signal processing. The -I temperature grade covers -40C to +85C, and the tape-and-reel /MM suffix supports automated pick-and-place assembly. Supply voltage is specified at 3 V to 3.6 V with a nominal 3.3 V rail.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, PFC), sensor fusion and industrial control nodes, where the 40 MIPS core and motor-control PWM reduce external component count.
For design, budget flash carefully: 32 KB suits compact control loops, and pin-compatible higher-memory family variants allow in-place upgrades without PCB rework.
This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
ドロップイン代替品: DSPIC33FJ32MC302T-I/MM — 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: DSPIC33FJ32MC302T-I/MM （同一形状・フットプリント） — 相違点: Packaging, Operating Temperature, Package, RoHS Status.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33FJ32MC202-I/MM
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33FJ16MC302-I/MM
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33FJ64MC202-I/MM
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$3.4 / 個
データシートを見る →DSPIC33FJ32MC102-I/MM
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
PIC24HJ32GP202-I/MM
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC33FJ32MC302T-I/MM 最大定格＆電気的特性
| Core Architecture | 16-bit dsPIC33F modified Harvard |
| Maximum Clock Speed | 40 MHz |
| Maximum Performance | 40 MIPS |
| Program Memory (Flash) | 32 KB (32K x 8) |
| メモリタイプ | Flash |
| 電源電圧 | 3 V to 3.6 V |
| Nominal Supply Voltage | 3.3 V |
| I/O Ports | 21 |
| Package Type | 28-QFN-S (6x6 mm), QFN-28 lead-free plastic |
| 動作温度 | -40C to +85C (industrial, -I grade) |
| 実装タイプ | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Pin Compatibility | Compatible with PIC24HJ family; high compatibility with dsPIC30F and dsPIC33F |
| Peripherals | Motor Control PWM, advanced analog |
| RoHS ステータス | ROHS3 Compliant |
| ライフサイクル状態 | Active |
| Manufacturer Lead Time | 6 weeks |
DSPIC33FJ32MC302T-I/MM ピン構成
| ピン 1 | MCLR — Master clear reset input, active low |
| ピン 2 | AN0/VREF+/CN3/RB0 — Analog input 0 / positive voltage reference / I/O port B0 |
| ピン 3 | AN1/VREF-/CN2/RB1 — Analog input 1 / negative voltage reference / I/O port B1 |
| ピン 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / I/O port B2 |
| ピン 5 | AN3/INDX/CN5/RB3 — Analog input 3 / encoder index / I/O port B3 |
| ピン 6 | OSC1/CLKI/CN7/RA2 — Oscillator crystal input / external clock input |
| ピン 7 | OSC2/CLKO/CN6/RA3 — Oscillator crystal output / clock output |
| ピン 8 | VDD — Positive supply (3.0 V to 3.6 V) |
| ピン 9 | VSS — Ground reference |
| ピン 10 | AN4/CN1/RB4 — Analog input 4 / I/O port B4 |
| ピン 11 | AN5/CN0/RB5 — Analog input 5 / I/O port B5 |
| ピン 12 | PGD/EMUD/RP1/CN9/RB6 — In-circuit programming data / remappable peripheral pin 1 |
| ピン 13 | PGC/EMUC/RP2/CN10/RB7 — In-circuit programming clock / remappable peripheral pin 2 |
| ピン 14 | VSS — Ground reference |
| ピン 15 | VDD — Positive supply (3.0 V to 3.6 V) |
| ピン 16 | RP3/CN11/RB8 — Remappable peripheral pin 3 / I/O port B8 |
| ピン 17 | RP4/CN12/RB9 — Remappable peripheral pin 4 / I/O port B9 |
| ピン 18 | RP5/CN13/RB10 — Remappable peripheral pin 5 / I/O port B10 |
| ピン 19 | RP6/CN14/RB11 — Remappable peripheral pin 6 / I/O port B11 |
| ピン 20 | RP7/CN15/RB12 — Remappable peripheral pin 7 / I/O port B12 |
| ピン 21 | RP8/CN16/RB13 — Remappable peripheral pin 8 / I/O port B13 |
| ピン 22 | RP9/CN17/RB14 — Remappable peripheral pin 9 / I/O port B14 |
| ピン 23 | RP10/CN18/RB15 — Remappable peripheral pin 10 / I/O port B15 |
| ピン 24 | TCK/RP11/CN19/RF2 — JTAG test clock / remappable peripheral pin 11 / port F2 |
| ピン 25 | TDI/RP12/CN20/RF3 — JTAG test data in / remappable peripheral pin 12 / port F3 |
| ピン 26 | TDO/RP13/CN21/RF7 — JTAG test data out / remappable peripheral pin 13 / port F7 |
| ピン 27 | AVDD — Analog supply for ADC and analog peripherals |
| ピン 28 | AVSS — Analog ground reference |
主な用途
DSPIC33FJ32MC302T-I/MM の用途: 6 件s: BLDC/PMSM Motor Control, Digital Power Supplies (PFC/LLC), Industrial Sensor Processing, Embedded Control and Automation Nodes, Power Monitoring and Metering, Prototyping and Education Platforms.
BLDC/PMSM Motor Control
The DSPIC33FJ32MC302T-I/MM is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its 40 MIPS 16-bit core executes single-cycle MAC instructions, giving enough headroom to run field-oriented control (FOC) current loops at 10-20 kHz PWM frequencies with proportional-integral current regulators computed every PWM cycle. The integrated motor-control PWM peripheral generates complementary outputs with dead-time insertion, while the advanced analog block handles current-sense and position-sensor inputs. Placing the DSC directly on the inverter control board eliminates external gate-timing logic; the trade-off is the 3.0-3.6 V supply requiring a local regulator and level shifting to gate-driver logic, but the integration typically removes 2-3 external ICs versus an 8-bit MCU design.
おすすめ
Digital Power Supplies (PFC/LLC)
In digital power conversion such as power-factor-correction stages and LLC resonant converters, the DSPIC33FJ32MC302T-I/MM replaces analog control ICs with firmware-defined control laws. The 40 MIPS core closes voltage and current loops at 100 kHz-class switching frequencies, and the 32 KB Flash holds compensator code, soft-start, and fault protection routines with room for UI and communication. The advanced analog inputs sample the output voltage and current sense signals directly, reducing external op-amp count. Because control parameters are firmware, a single hardware platform can serve multiple power ratings; the design trade-off is that software safety (watchdog, brown-out handling) becomes mandatory, as a firmware fault can propagate directly to the power stage.
おすすめ
Industrial Sensor Processing
For industrial nodes that digitize and condition sensor signals - load cells, pressure transducers, vibration sensors - the DSPIC33FJ32MC302T-I/MM combines a 21-I/O flexible port matrix, remappable RP pins, and DSP filtering instructions (FIR/IIR kernels in single-cycle MACs). The 32 KB Flash accommodates a complete acquisition chain: sampling scheduler, digital filter, threshold detection, and a serial interface to the plant network. The 3.0-3.6 V supply pairs naturally with modern ratiometric sensor front-ends, and the -40C to +85C industrial grade covers unconditioned factory-floor environments. Compared to an 8-bit PIC18 solution, the 16-bit core reduces filter execution cycles by an order of magnitude, enabling higher sample rates in the same power envelope.
おすすめ
Embedded Control and Automation Nodes
General industrial automation nodes - sequencers, valve controllers, conveyor segments - benefit from the DSPIC33FJ32MC302T-I/MM's deterministic 40 MIPS execution and rich peripheral mix of timers, UART, SPI, and remappable I/O. The 32 KB Flash typically holds a cooperative scheduler, Modbus or custom protocol stack, and safety interlock logic simultaneously. Seamless migration within the dsPIC33F family (pin compatibility with PIC24HJ and high compatibility with dsPIC30F per Microchip) lets OEMs scale the same board across product tiers: drop in a 64 KB variant for feature-rich SKUs or a 16 KB variant for cost-optimized SKUs without PCB respins. The -I industrial temperature rating and ROHS3 compliance simplify certification paperwork for exported equipment.
おすすめ
Power Monitoring and Metering
Energy meters and power-quality monitors require simultaneous RMS computation, harmonic analysis (FFT), and communication - a workload matched to the DSP engine of the DSPIC33FJ32MC302T-I/MM. Single-cycle MAC and DSP shift instructions accelerate 128-256 point FFT windows for harmonic measurement, while the advanced analog front-end samples voltage and current channels. The 3.0-3.6 V supply is compatible with mains-derived auxiliary power via a small buck regulator, and the 28-QFN-S 6x6 mm footprint fits meter PCBs with tight height constraints. A practical consideration: 32 KB Flash bounds the complexity of the metering firmware, so heavy metrology stacks may need the pin-compatible 64 KB family upgrade; XAIPART stocks both for BOM-level flexibility.
おすすめ
Prototyping and Education Platforms
The through-hole /SP package sibling of this die is widely used for bench prototyping, and the DSPIC33FJ32MC302T-I/MM serves as the production-grade surface-mount follow-on once a design freezes. Microchip's free MPLAB X IDE and compiler toolchain support the entire dsPIC33F family unchanged, so code written on a dev board migrates to this part without toolchain changes. Universities and training labs favor the 40 MIPS DSP core because it demonstrates real digital-signal-processing concepts (filtering, FOC) at low cost. Budget note: at roughly $4.68 per unit as of 2026-09-27 from LCSC, per-student cost stays low, and the tape-and-reel /MM packaging supports automated population in course kits or small production runs.
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: DSPIC33FJ32MC302T-I/MM — 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 | DSPIC33FJ32MC202-I/MM | DSPIC33FJ16MC302-I/MM | DSPIC33FJ64MC202-I/MM | DSPIC33FJ32MC102-I/MM | PIC24HJ32GP202-I/MM |
|---|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| Flash Program Memory | 32 KB | 32 KB | 16 KB (-50%) | 64 KB (+100%) | 16 KB (-50%) | 32 KB |
| 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 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| I/O Ports | 21 | 21 | 21 | 21 | 21 | 21 |
| Peripheral Character | Motor-control PWM + advanced analog | Motor-control PWM, standard analog | Motor-control PWM + advanced analog | Motor-control PWM, standard analog | Reduced analog set | General-purpose MCU peripherals (no MC PWM focus) |
主な差別化要因
- Advanced analog block in the MC302 variant （vs DSPIC33FJ32MC202-I/MM)
- In-place Flash upgrade without PCB rework （vs DSPIC33FJ64MC202-I/MM)
- DSP-accelerated control loops vs PIC18 MCUs （vs PIC18F25K80-I/MM)
- Drop-in to general-purpose PIC24HJ silicon （vs PIC24HJ32GP202-I/MM)
設計ノート
Supply the DSPIC33FJ32MC302T-I/MM from a clean 3.3 V rail within the 3.0-3.6 V datasheet window. Decouple each VDD pin with a 0.1 uF ceramic placed within 2-3 mm of the pin, plus 4.7-10 uF bulk per rail. Keep AVDD on pin 27 filtered through an RC (e.g., 10 ohm + 1 uF) or a small ferrite from digital VDD to preserve ADC accuracy on the advanced analog block. During motor-control or digital-power use, inverter switching noise coupling into VDD is the most common cause of spurious resets and ADC errors.
The 28-QFN-S (6x6 mm) MM package has an exposed thermal/electrical pad that must be soldered to a grounded copper pour with an array of vias - do not treat it as optional, it is part of the power and ground return path. MCLR (pin 1) must not be left floating: use the internal weak pull-up plus a 4.7-10 k external pull-up for production reliability, and route the ICSP programming pair (PGC/PGD, pins 13/12) to a tagged header for in-circuit programming. Keep the oscillator loop (pins 6/7) compact with guard grounding for stable 40 MHz-class operation.
Budget Flash early: 32 KB accommodates a FOC loop plus basic communication, but adding a protocol stack, bootloader, and data logging typically overruns it. Choose the pin-compatible DSPIC33FJ64MC202-I/MM at layout time to preserve an upgrade path. Also note the remappable RP pins (RP1-RP13) require the Peripheral Pin Select registers to be unlocked and configured before peripherals function - firmware ported from non-PPS devices silently fails if PPS initialization is omitted. Finally, JTAG pins (24-26) default to port I/O; if JTAG is not used, clear the JTAGEN configuration bit to recover them as I/O.
コンプライアンス情報
ROHS3 Compliant per Microchip USA listing. Package described as lead-free plastic QFN in datasheet summary data. REACH, halogen-free, and conflict-minerals status not stated in provided data.
