DSPIC30F2012T-20E/SO - 16-bit DSC 20 MIPS 12KB Flash | Microchip
部品番号: DSPIC30F2012T-20E/SO ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.78 | $57.80 |
| 100 | $5.14 | $514.00 |
| 500 | $4.62 | $2,310.00 |
| 1,000 | $4.18 | $4,180.00 |
DSPIC30F2012T-20E/SO 概要
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the ease of use, peripheral set, and development flow of a microcontroller (MCU). In the power-management hierarchy, the dsPIC30F sits between general-purpose 16-bit MCUs and dedicated DSPs, making it a common choice for embedded control loops that need multiply-accumulate (MAC) performance without a separate DSP chip.
Key features include the modified Harvard dsPIC30F core running at 20 MIPS, 4K x 24 Flash program memory with self-programming capability, hardware DSP support with X and Y data memories and a 40-bit accumulator, a 10-channel 12-bit ADC, and a rich peripheral set including UART, SPI, and I2C communication modules. The -20E suffix denotes the extended temperature rating and tape-and-reel packaging for automated assembly.
Architecturally, the dsPIC30F2012 uses a 24-bit instruction word with a two-stage instruction pipeline and single-cycle multiply for fixed-point DSP operations. The DSP engine, dual operand fetch, and dedicated address generators allow real-time execution of control algorithms such as PI loops and digital filters, which is why Microchip positions this family for high-performance switch-mode power supply (SMPS) and digital power conversion.
Typical applications include digital switch-mode power supplies and power factor correction stages, sensorless motor control (BLDC/PMSM), and industrial sensing and control nodes that combine ADC sampling with DSP post-processing. The 5 V operation gives strong noise immunity in electrically harsh industrial environments.
When designing with this device, plan the analog section around the 12-bit ADC input structure and allocate enough instruction cycles at 20 MIPS for the control loop plus communication overhead; the MPLAB XC-DSC C/C++ compiler from Microchip targets this device directly.
This page synthesizes distributor pricing, drop-in same-family alternatives, practical design notes, and FAQ content not found in the manufacturer datasheet, with data verified as of 2026-09-20.
ドロップイン代替品: DSPIC30F2012T-20E/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: DSPIC30F2012T-20E/SO （同一形状・フットプリント） — 相違点: Core Architecture, Package, ADC Resolution, Packaging, ADC Channels.
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 →DSPIC30F2012T-30E/SO
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC30F2012T-20I/SO
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.1 / 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 →DSPIC30F2010-30I/SO
✅ ドロップイン✓ 在庫あり
$2.35 / 個
データシートを見る →DSPIC30F2012T-20E/SO 最大定格＆電気的特性
| Core | dsPIC30F 16-bit |
| Maximum Clock Speed | 15 MHz |
| Performance | 20 MIPS |
| Program Memory Size | 12 KB (4K x 24) Flash |
| Program Memory Type | Flash |
| RAM Size | 1 KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Number of I/O | 21 |
| ADC Resolution | 12 bit |
| ADC Channels | 10 |
| Package Type | 28-SOIC |
| 実装タイプ | Surface Mount |
| 動作温度 | -40C to +125C (E grade) |
| Packaging | Tape & Reel (T suffix) |
| Product Family | dsPIC 30F Digital Signal Controller |
| Instruction Word Width | 24 bit |
| ライフサイクル状態 | Active |
DSPIC30F2012T-20E/SO 28-soic ピン配置ガイド
DSPIC30F2012T-20E/SO (28-soic 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: DSPIC30F2012T-20E/SO.
詳細は データシート をご参照ください。
主な用途
DSPIC30F2012T-20E/SO の用途: 6 件s: Digital Switch-Mode Power Supply (SMPS), Sensorless BLDC/PMSM Motor Control, Industrial Sensing and Control Nodes, Digital Audio and Signal Processing Front Ends, Battery Chargers and Power Conversion, Embedded Control Retrofit and Legacy Board Updates.
Digital Switch-Mode Power Supply (SMPS)
The DSPIC30F2012T-20E/SO is a strong fit for digitally controlled switch-mode power supplies because Microchip designed the dsPIC30F family explicitly for high-performance SMPS control, combining a 20 MIPS 16-bit DSP core with a 10-channel 12-bit ADC for fast voltage and current sampling. In a typical topology the ADC samples the output rail and inductor current each switching cycle, and the DSP engine executes a PI compensator loop in firmware, replacing analog error amplifiers with programmable control. Placing the controller between the feedback divider and the power stage MOSFET gate drivers lets designers implement soft-start, fault limiting, and adaptive dead-time digitally. The 4.5 V to 5.5 V 5 V supply range suits biased gate-driver environments, and the extended -40C to +125C E-grade rating covers thermally stressed converter enclosures.
おすすめ
Sensorless BLDC/PMSM Motor Control
The DSPIC30F2012T-20E/SO fits sensorless brushless DC (BLDC) and PMSM motor control because its 20 MIPS dsPIC core handles back-EMF estimation and commutation timing while the 10-channel 12-bit ADC digitizes phase currents, bus voltage, and the DC-link feedback simultaneously. The 21 I/O lines drive a three-phase inverter through gate drivers, and hardware UART/SPI/I2C modules handle host communication without stealing CPU cycles from the control loop. Running a trapezoidal commutation routine at 20 MIPS leaves ample cycle margin for speed PI loops and current protection. In industrial drives the 5 V supply provides noise immunity against switching transients, and the -40C to +125C operating range survives motor-adjacent mounting. The 12 KB Flash accommodates commutation tables plus a communication stack in a single-chip solution.
おすすめ
Industrial Sensing and Control Nodes
The DSPIC30F2012T-20E/SO is well suited to industrial sensing nodes that need to acquire, filter, and act on analog data in real time. Its 10-channel 12-bit ADC can scan multiple sensors - pressure, temperature, current shunts - under firmware control, while the 20 MIPS DSP engine applies digital filters (IIR/FIR) that would overload a smaller 8-bit MCU. The 21 I/O pins support relays, indicators, and local switches, and the on-chip UART, SPI, and I2C modules link the node to Modbus-style RS-485 converters or local displays. The 4.5 V to 5.5 V operation delivers the noise immunity required on factory floors, and the extended -40C to +125C rating permits mounting inside sealed enclosures without fans. The 12 KB Flash retains calibration constants with self-programming.
おすすめ
Digital Audio and Signal Processing Front Ends
The DSPIC30F2012T-20E/SO serves cost-sensitive digital audio and signal-processing front ends where a 16-bit DSP core with a 12-bit ADC replaces a discrete DSP plus MCU pair. At 20 MIPS with single-cycle multiply and a 40-bit accumulator, the device executes audio filters, level detection, and simple codecs in fixed point; the 10-channel 12-bit ADC digitizes microphone or line-level inputs after external anti-aliasing filtering. The UART/SPI/I2C peripherals handle control transport to DACs, volume ICs, or a host processor, keeping the DSP engine dedicated to the signal path. The 5 V operation gives headroom in consumer and professional equipment with noisy switching supplies, and the small 28-SOIC footprint suits compact amplifier boards and powered-speaker control sections.
おすすめ
Battery Chargers and Power Conversion
The DSPIC30F2012T-20E/SO is effective in smart battery charger and DC-DC conversion designs because its 12-bit ADC resolves charge current and pack voltage precisely while the 20 MIPS core implements multi-stage charging profiles (CC/CV, taper, termination) in firmware. Digital control enables programmable charge curves for different chemistries without redesigning analog compensation, and fault handling - overcurrent, overtemperature, timeout - executes in software with the 21 I/O lines driving relays and indicator LEDs. The 4.5 V to 5.5 V supply interfaces cleanly with 5 V auxiliaries, and the -40C to +125C extended range covers automotive-adjacent and outdoor charger enclosures. The 12 KB Flash stores profiles for multiple battery types, selectable at runtime via communication links.
おすすめ
Embedded Control Retrofit and Legacy Board Updates
The DSPIC30F2012T-20E/SO is a pragmatic choice for retrofitting legacy analog or discrete-logic control boards with programmable intelligence. Its 20 MIPS 16-bit core can replicate relay, comparator, and timer logic in firmware while adding features such as data logging via UART, adaptive thresholds, and remote configuration through SPI or I2C. Because the dsPIC30F201x family shares the 28-SOIC footprint across 2010/2011/2012 variants, engineers can future-proof the PCB: one layout accepts a 20 MIPS or 30 MIPS part depending on the control-loop demand. The 5 V, 4.5 V to 5.5 V operation directly replaces legacy 5 V TTL-era interfaces without level shifting, and the extended temperature rating plus active lifecycle status from Microchip protect the retrofit investment over long service lifetimes.
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: DSPIC30F2012T-20E/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 | DSPIC30F2012T-30E/SO | DSPIC30F2012T-20I/SO | DSPIC30F2010-30I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 20 MIPS | 16-bit, 20 MIPS | 16-bit, 30 MIPS | 16-bit, 20 MIPS | 16-bit, 30 MIPS |
| Flash Program Memory | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Temperature Range | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) |
| Packaging | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) | Tray/Tube |
主な差別化要因
- Extended temperature rating （vs DSPIC30F2012T-20I/SO)
- Cost-optimized 20 MIPS speed grade （vs DSPIC30F2012T-30E/SO)
- Rich 10-channel 12-bit ADC （vs DSPIC30F2010-30I/SO)
設計ノート
Decouple the 4.5 V to 5.5 V supply with a 0.1 uF ceramic capacitor placed within a few millimeters of each VDD/VSS pair, plus a 4.7 uF to 10 uF bulk capacitor near the device. Because this DSC is typically used in SMPS and motor-control boards with high di/dt switching nearby, route a dedicated low-impedance ground and keep the analog supply for the 12-bit ADC separated from gate-driver return paths. Estimated: a 5 V rail at 50 mA average core current draws only 250 mW, so no thermal copper pour is needed for the controller itself.
Keep the ADC input traces to the 10 analog channels short and away from the inverter or power-stage switching nodes; use guard ground traces for high-impedance sensor inputs. The oscillator traces (OSC1/OSC2) should be as short as possible with the crystal ground returned directly to VSS. Reserve ICSP programming access (MCLR, PGD, PGC) on a header during layout even in production boards - the MPLAB XC-DSC toolchain and in-circuit debugging depend on it.
Do not operate below 4.5 V - the provided supply range is 4.5 V to 5.5 V, so 3.3 V systems need level translation. Confirm the speed grade: this is a -20E part, so do not configure the PLL for operation beyond 20 MIPS; the DSPIC30F2012T-30E/SO variant is required for 30 MIPS designs. MCLR must be pulled up and held in the safe state during power ramp for reliable in-circuit programming and reset behavior.
コンプライアンス情報
Compliance data was not present in the retrieved web data. The Microchip -E temperature suffix and current DigiKey/Mouser listings typically indicate RoHS-compliant lead-free parts, but this must be confirmed on the Microchip product page before design-in.
