DSPIC30F2012-20I/SO - 16-bit DSC 20MIPS 12KB Flash | Microchip
部品番号: DSPIC30F2012-20I/SO ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.64 | $3.64 |
| 10 | $3.32 | $33.20 |
| 100 | $2.95 | $295.00 |
| 500 | $2.68 | $1,340.00 |
| 1,000 | $2.41 | $2,410.00 |
DSPIC30F2012-20I/SO 概要
A Digital Signal Controller combines the computational throughput of a digital signal processor with the peripheral integration, interrupt structure and development simplicity of a microcontroller. In the embedded system hierarchy, the dsPIC30F sits between general-purpose 16-bit MCUs and dedicated DSPs, offering a modified Harvard architecture with 24-bit wide instructions and a 16-bit wide data path that is optimized for C compilation.
Key features include a 17-bit x 17-bit single-cycle hardware multiplier, two 40-bit accumulators with optional saturation logic, a dedicated DSP engine supporting modulo and bit-reversed addressing, and operation across the wide 2.5V to 5.5V supply range that makes the dsPIC30F family especially attractive for legacy 5V systems. The device also integrates flash program memory and on-chip EEPROM, reducing external component count.
The core executes up to 30 MIPS in family variants; the -20I grade is speed-binned and temperature-binned for 20 MIPS operation over the industrial range. Peripherals typical of the dsPIC30F2011/2012/3012/3013 group, including motor-control-oriented capture and PWM resources, make the part suitable for math-intensive closed-loop control executed directly on a single chip.
Typical applications include sensorless and sensored motor control (BLDC, PMSM, AC induction), digital power supplies and power-factor-correction converters, and industrial sensing nodes where filtering and FFT computation run alongside general control code.
Design consideration: choose the -20I speed/temperature grade only if your firmware will not exceed 20 MIPS; the wide 2.5V to 5.5V input range allows direct operation from 5V industrial rails, but flash write endurance and erase specifications must be respected in field-programmable designs.
This page synthesizes distributor pricing, drop-in family alternatives, application guidance, and sourcing data not consolidated in the manufacturer datasheet.
ドロップイン代替品: DSPIC30F2012-20I/SO — 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: DSPIC30F2012-20I/SO （同一形状・フットプリント） — 相違点: Package, Core Architecture, Program Memory (Flash), Packaging, RoHS Status.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC30F2011T-20E/SO
✅ ドロップイン✓ 在庫あり
$3.85 / 個
データシートを見る →DSPIC30F2011T-20E/ML
✅ ドロップイン✓ 在庫あり
$3.68 / 個
データシートを見る →DSPIC30F2012-20E/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.85 / 個
データシートを見る →DSPIC30F3012-20I/SO
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC30F2012-30I/SO
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC30F2012-20I/SO 最大定格＆電気的特性
| Core Architecture | 16-bit dsPIC30F, modified Harvard |
| Max CPU Speed | 20 MIPS (-20 grade) |
| Program Memory (Flash) | 12 KB |
| Data Width | 16-bit data path, 24-bit instructions |
| DSP Engine | 17-bit x 17-bit single-cycle multiplier, two 40-bit accumulators |
| Addressing Modes | Modulo and Bit-Reversed addressing |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Operating Voltage Class | 3.3 V / 5 V |
| Temperature Grade | I - Industrial |
| 動作温度 | -40C to +85C |
| パッケージ | 28-pin SOIC (SO) |
| 実装タイプ | Surface Mount |
| Packaging | Tube |
| Product Status | In Production |
| Family | dsPIC30F2011/2012/3012/3013 group |
DSPIC30F2012-20I/SO 28-pin soic (so) ピン配置ガイド
DSPIC30F2012-20I/SO (28-pin soic (so) 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: DSPIC30F2012-20I/SO.
詳細は データシート をご参照ください。
主な用途
DSPIC30F2012-20I/SO の用途: 6 件s: BLDC and PMSM Motor Control, Digital Power Supplies and PFC, Industrial Sensing and Signal Processing Nodes, Home Appliances and HVAC Control, Automotive-Adjacent and Ruggedized Equipment (Non-AEC), Legacy 5V System Retrofit and Maintenance.
BLDC and PMSM Motor Control
The DSPIC30F2012-20I/SO fits sensorless and sensored brushless DC and permanent-magnet synchronous motor control because its DSP engine executes a 17-bit x 17-bit single-cycle multiply and maintains two 40-bit accumulators with saturation logic - exactly the arithmetic needed for Clarke/Park transforms and PI current loops at PWM frequencies of 16 to 20 kHz within a 20 MIPS budget. The controller's modulo and bit-reversed addressing accelerate circular buffer management for field-oriented control kernels. Integrated capture inputs accept hall or encoder feedback directly, and the 2.5V to 5.5V supply range simplifies integration with 5V gate drivers. The trade-off is the 12 KB flash ceiling: compact FOC firmware fits, but sensorless observers with startup routines should be code-size audited before committing to the 2012 variant.
おすすめ
Digital Power Supplies and PFC
In digitally controlled AC-DC and DC-DC converters, the DSPIC30F2012-20I/SO closes voltage- and current-mode loops with deterministic interrupt latency from its 16-bit modified Harvard core running at 20 MIPS. The single-cycle hardware multiplier computes proportional-integral terms without software multiply loops, and saturation logic on the 40-bit accumulators prevents windup artifacts during load transients - a concrete benefit for power-factor-correction stages where loop instability causes audible stress and component stress. The wide 2.5V to 5.5V operating range allows direct connection to 5V auxiliary rails common in offline supplies. Because the control law occupies only a few hundred instructions, the 12 KB flash leaves room for soft-start, fault logging, and PMBus-style communication. Select the -20E temperature grade variant for enclosures exceeding 85C ambient.
おすすめ
Industrial Sensing and Signal Processing Nodes
For industrial sensor nodes that must filter, demodulate, or FFT-process analog signals locally, the DSPIC30F2012-20I/SO provides DSP-class arithmetic - single-cycle multiply-accumulate with bit-reversed addressing for radix-2 FFTs - inside a low-cost 28-pin SOIC. The industrial -40C to +85C rating covers factory-floor enclosures, and 5V-tolerant operation eases interfacing with legacy 24V-protection signal chains scaled through resistor dividers or op-amp front ends. Typical deployments include vibration monitoring on motors, current-signature analysis, and ultrasonic distance measurement. The on-chip EEPROM retains calibration constants across power cycles without external serial memory. Design consideration: budget interrupt latency for the shared peripheral set, and verify the analog channel count in the family datasheet matches the number of sensors before finalizing the BOM.
おすすめ
Home Appliances and HVAC Control
Appliance and HVAC manufacturers use the DSPIC30F2012-20I/SO for variable-speed fan, compressor, and pump control where cost, 5V compatibility, and industrial temperature rating matter more than maximum throughput. At 20 MIPS, the part runs sensorless trapezoidal BLDC control with back-EMF zero-cross detection, managing startup, commutation, and protection in well under the 12 KB flash budget. The 2.5V to 5.5V supply range tolerates noisy appliance power rails when paired with a simple 5V regulator, and the 28-pin SOIC footprint keeps the two-layer control board compact. Firmware can include limited self-diagnostics stored in EEPROM. For premium appliances with sensorless FOC or higher PWM resolution, step up to the 30 MIPS grade or the higher-flash DSPIC30F3012 in the same package.
おすすめ
Automotive-Adjacent and Ruggedized Equipment (Non-AEC)
The DSPIC30F2012-20I/SO serves ruggedized industrial equipment - pumps, winches, material-handling actuators, and agricultural controllers - that faces wide temperature swings but does not require AEC-Q100 qualification. The -40C cold-start rating guarantees code execution and oscillator startup in unheated outdoor enclosures, while the 12 KB flash and DSP engine support sensor fusion of current, voltage, and position signals for torque-limiting control. Its 5V operation is a practical advantage for noisy wiring harnesses where 3.3V logic margins are tight. Engineers should note this part is NOT AEC-Q100 qualified: for genuinely automotive platforms, specify Microchip's automotive-qualified DSC lines instead. For extended cabin or engine-bay-adjacent temperatures above 85C, the same-footprint -20E grade rated to 125C is the appropriate substitution.
おすすめ
Legacy 5V System Retrofit and Maintenance
Many installed industrial products were designed around 5V logic, and the DSPIC30F2012-20I/SO is a natural controller for retrofit and service boards because it operates directly from a 2.5V to 5.5V rail without level shifting. Designers maintaining legacy motor drives, chargers, and instruments benefit from the dsPIC30F family's long production history - the part remains In Production per Microchip - and from availability across 9 distributors aggregated on Octopart, which reduces single-source risk. The 20 MIPS DSP engine lets a maintenance engineer re-implement an old analog control loop digitally with headroom for filtering and protection code. For boards whose enclosure thermal analysis exceeds 85C, substitute the pin-compatible DSPIC30F2012-20E/SO; the footprint and firmware remain unchanged, only the temperature rating and unit price differ.
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: DSPIC30F2012-20I/SO — 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 | DSPIC30F2011T-20E/SO | DSPIC30F2012-20E/SO | DSPIC30F3012-20I/SO | DSPIC30F2012-30I/SO |
|---|---|---|---|---|---|
| Package | 28-pin SOIC (SO) | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same | 28-pin SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max CPU Speed | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Supply Voltage Range | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| DSP Engine | 17x17 single-cycle MAC, two 40-bit accumulators | Same dsPIC30F DSP engine | Same dsPIC30F DSP engine | Same dsPIC30F DSP engine | Same dsPIC30F DSP engine |
主な差別化要因
- Lowest-cost entry into dsPIC30F 20 MIPS class （vs DSPIC30F2012-30I/SO)
- Extended temperature drop-in available （vs DSPIC30F2012-20E/SO)
- Upgrade path within same footprint （vs DSPIC30F3012-20I/SO)
設計ノート
The DSPIC30F2012-20I/SO accepts 2.5V to 5.5V on its supply rail, which permits direct operation from 5V industrial rails. Decouple VDD with a 0.1uF ceramic capacitor placed within a few millimeters of the supply pin, plus a 4.7uF to 10uF bulk capacitor per Microchip's dsPIC30F design guidance. In noisy motor-drive environments, consider a small ferrite bead in series with the supply and separate the digital supply from gate-driver supply rails to prevent ground bounce from corrupting analog readings.
Do not exceed the 20 MIPS rating of the -20 speed grade: the PLL multiplier must be configured so that Fcy stays at or below 20 MHz instruction cycle rate when running from the -20I part. Firmware written for the -30 grade will appear to run on a -20 part but is out of specification and may fail at temperature extremes. Additionally, MCLR must be pulled up properly for in-circuit programming, and the MPLAB XC-DSC compiler family selection must match the exact device (2011 vs 2012 vs 3012) because peripheral register maps differ within the datasheet group.
The 28-pin SOIC (1.27 mm pitch, 7.5 mm body width) lands on a standard SOIC-28 footprint. Route analog input traces away from PWM and clock lines, and use a solid ground plane on layer 2 to minimize loop area for the DSP core switching currents. Keep crystal/oscillator traces short and guard them with ground. If flash self-write is used for parameter storage, reserve code space so program and erase routines remain within the 12 KB flash budget after field updates.
コンプライアンス情報
Compliance data was not present in the provided verified web data; RoHS/REACH/lead-free status must be confirmed from the official Microchip product page or datasheet. Not AEC-Q100 qualified - this is an industrial-grade commercial DSC, not an automotive-qualified part.
