DSPIC30F3014-30I/P - 16-bit DSC, 24KB Flash, 40MHz | Microchip
部品番号: DSPIC30F3014-30I/P ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.4 | $64.00 |
| 100 | $5.55 | $555.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.4 | $4,400.00 |
DSPIC30F3014-30I/P 概要
A Digital Signal Controller (DSC) is a hybrid device that merges a microcontroller (MCU) with a Digital Signal Processor (DSP) on a single core. The dsPIC30F architecture adds a hardware MAC, barrel shifter, and 40-bit accumulators to a 16-bit modified-Harvard RISC engine, enabling single-cycle MAC operations. DSCs sit in the hierarchy between microcontrollers (no DSP engine) and dedicated DSPs (no MCU peripherals). They excel in mixed control-and-signal tasks where deterministic control loops and high-throughput DSP filtering must coexist on the same silicon.
Key features include 12-bit ADC with up to 200 ksps conversion rate, up to six PWM channels with complementary outputs and dead-time control for motor drive, three 16-bit timers/counters, two UART modules, one SPI, one I2C, and a real-time clock. The motor-control PWM module supports center-aligned, edge-aligned, and multiple operating modes. The integrated DSP engine with 17-bit x 17-bit single-cycle MAC and 40-bit accumulator delivers 16 MIPS of DSP throughput.
The device is built on a 5V-tolerant CMOS process with industrial temperature range (-40C to +85C for the I suffix) and on-chip RC oscillator. Its peripheral set is tailored for sensorless BLDC, AC induction, and switched-mode power-supply control. A seamless migration path exists from this device to dsPIC33F and PIC24 families in the same package.
Typical applications include sensored and sensorless BLDC/PMSM motor drives, uninterruptible power supplies (UPS), power-factor correction (PFC) stages, induction-motor control, and general digital-filtering tasks. The 40-pin PDIP package supports through-hole prototyping and hobbyist motor-control projects.
When designing with the DSPIC30F3014-30I/P, ensure the input voltage is decoupled with a 10 uF bulk + 0.1 uF ceramic combination near the AVDD/VDD pins, and route the analog/digital grounds separately back to a single star point. Note that the device is rated for 30 MIPS at the -30I speed grade (vs 40 MIPS on the -40I grade) - this affects the PWM frequency ceiling and DSP throughput headroom.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives (same dsPIC30F family), and practical design considerations not found in the manufacturer datasheet alone.
ドロップイン代替品: DSPIC30F3014-30I/P — 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: DSPIC30F3014-30I/P （同一形状・フットプリント） — 相違点: ADC, Core Architecture, Timers, Mounting Type, Package.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC30F3014-20I/PT
✅ ドロップイン✓ 在庫あり
$3.25 / 個
データシートを見る →DSPIC30F3014-30I/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC30F3013-30I/P
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC30F4013-30I/P
✅ ドロップイン✓ 在庫あり
$7.75 / 個
データシートを見る →DSPIC30F3012-30I/P
✅ ドロップイン✓ 在庫あり
$5.1 / 個
データシートを見る →DSPIC30F3011-30I/P
✅ ドロップイン✓ 在庫あり
$7.4 / 個
データシートを見る →DSPIC30F3014-30I/P 最大定格＆電気的特性
| Product Family | dsPIC30F |
| Core Architecture | 16-bit DSC (modified Harvard RISC + DSP engine) |
| Program Memory | 24 KB Flash |
| RAM | 1.5 KB |
| Maximum CPU Speed | 30 MIPS (40 MHz) |
| Supply Voltage Range | 2.5 V to 5.5 V |
| 動作温度範囲 | -40C to +85C (Industrial, I suffix) |
| ADC | 10/12-bit, up to 200 ksps, multiple channels |
| PWM Channels | Up to 6 channels with complementary outputs and dead-time |
| Timers | Three 16-bit timers/counters |
| Communication Interfaces | 2x UART, 1x SPI, 1x I2C |
| パッケージ | 40-pin PDIP (P) |
| 実装タイプ | Through-Hole |
| DSP Engine | 17-bit x 17-bit single-cycle MAC, 40-bit accumulator, barrel shifter |
| RoHS ステータス | Compliant |
| Speed Grade Suffix | -30 (30 MIPS @ 5V) |
DSPIC30F3014-30I/P ピン構成
| ピン 1 | MCLR — Master Clear (Reset) input, active-low |
| ピン 2 | OSC1 — Oscillator crystal input / external clock input |
| ピン 3 | OSC2 — Oscillator crystal output |
| ピン 4 | RA0 — Port A bit 0 / AN0 analog input |
| ピン 5 | RA1 — Port A bit 1 / AN1 analog input |
| ピン 6 | RA2 — Port A bit 2 / AN2 analog input |
| ピン 7 | RA3 — Port A bit 3 / AN3 analog input |
| ピン 8 | RA4 — Port A bit 4 / AN4 analog input |
| ピン 9 | AVDD — Analog supply voltage |
| ピン 10 | AVSS — Analog ground |
| ピン 11 | RB0 — Port B bit 0 / PWM1L |
| ピン 12 | RB1 — Port B bit 1 / PWM1H |
| ピン 13 | RB2 — Port B bit 2 / PWM2L |
| ピン 14 | RB3 — Port B bit 3 / PWM2H |
| ピン 15 | RB4 — Port B bit 4 / PWM3L |
| ピン 16 | RB5 — Port B bit 5 / PWM3H |
| ピン 17 | RB6 — Port B bit 6 / AN6 / OC1 |
| ピン 18 | RB7 — Port B bit 7 / AN7 |
| ピン 19 | RC13 — Port C bit 13 / U1TX |
| ピン 20 | RC14 — Port C bit 14 / U1RX |
| ピン 21 | VSS — Digital ground |
| ピン 22 | VDD — Digital supply voltage |
| ピン 23 | RC1 — Port C bit 1 / U1CTS |
| ピン 24 | RC2 — Port C bit 2 / U1RTS |
| ピン 25 | RC3 — Port C bit 3 / SCK1 |
| ピン 26 | RC4 — Port C bit 4 / SDI1 |
| ピン 27 | RC5 — Port C bit 5 / SDO1 |
| ピン 28 | RD0 — Port D bit 0 / INT0 |
| ピン 29 | RD1 — Port D bit 1 / SDA1 |
| ピン 30 | RD2 — Port D bit 2 / SCL1 |
| ピン 31 | RD3 — Port D bit 3 / T1CK |
| ピン 32 | RD4 — Port D bit 4 / T2CK |
| ピン 33 | RD5 — Port D bit 5 / T3CK |
| ピン 34 | RD8 — Port D bit 8 / IC1 |
| ピン 35 | RD9 — Port D bit 9 / IC2 |
| ピン 36 | RD10 — Port D bit 10 / IC3 |
| ピン 37 | RD11 — Port D bit 11 / OC2 |
| ピン 38 | VSS — Digital ground (second) |
| ピン 39 | VDD — Digital supply voltage (second) |
| ピン 40 | PGECx/PGEDx — ICSP programming/debug clock and data (multi-function pins) |
主な用途
DSPIC30F3014-30I/P の用途: 6 件s: Sensorless BLDC / PMSM Motor Control, AC Induction Motor (ACIM) V/Hz and Vector Control, Switched-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS) and Inverter, Industrial Sensor Signal Conditioning, Audio Effects / General-Purpose DSP Prototyping.
Sensorless BLDC / PMSM Motor Control
The DSPIC30F3014-30I/P's 6-channel motor-control PWM with programmable dead-time insertion and 12-bit ADC running at 200 ksps make it a strong fit for sensorless brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives. The 30 MIPS DSP engine executes single-cycle 17-bit x 17-bit MAC operations, which is sufficient to run Field-Oriented Control (FOC) and Back-EMF zero-crossing detection at PWM frequencies up to 20 kHz. Per Microchip AN1078 and AN1299, this part is widely used in ceiling fans, e-bike controllers, and small industrial pumps. Power dissipation is modest at 5V operation, but thermal relief is recommended for continuous high-load motor drives.
おすすめ
AC Induction Motor (ACIM) V/Hz and Vector Control
For AC induction motor drives, the DSPIC30F3014-30I/P's PWM module can generate the complementary 3-phase outputs needed for an ACIM inverter with dead-time to prevent shoot-through. The integrated 12-bit ADC samples motor currents synchronously to the PWM, enabling slip-frequency V/Hz control or entry-level indirect field-oriented control. The 24 KB Flash comfortably fits state-machine ACIM firmware, leaving room for application-layer code. Industrial drives up to about 1 HP (750 W) are typical for this MCU class, using IGBT or MOSFET gate drivers downstream.
おすすめ
Switched-Mode Power Supply (SMPS) Digital Control
Digital control of SMPS topologies (PFC, LLC, full-bridge, buck) benefits from the DSPIC30F3014-30I/P's 30 MIPS throughput and 12-bit ADC. The high PWM resolution and adjustable dead-time allow digital implementation of PFC boost converters and LLC resonant half-bridge controllers at switching frequencies up to 250 kHz. The on-chip DSP enables digital compensation loops (Type-II/III) replacing analog op-amp compensators. The 5V tolerance simplifies interface to analog gate-driver bias networks. The 24 KB Flash is sufficient for PFC plus LLC dual-stage firmware.
おすすめ
Uninterruptible Power Supply (UPS) and Inverter
Single-phase and small three-phase UPS / inverter designs leverage the DSPIC30F3014-30I/P for SPWM generation, sine-table lookup, and RMS regulation loops. The DSP engine runs the sine PWM and battery-management state machine in parallel without timing jitter. The 5V-tolerant I/O simplifies interface to battery-monitoring analog front ends, while the integrated ADC samples battery voltage and current simultaneously. Output power levels of 300 VA to 1 kVA are realistic for this MCU class with external IGBT/MOSFET bridge.
おすすめ
Industrial Sensor Signal Conditioning
For industrial sensors requiring on-board DSP filtering (low-pass, high-pass, RMS), the DSPIC30F3014-30I/P's DSP engine computes IIR/FIR filters faster than a software-only MCU. Applications include weigh scales, flow meters, and pressure transducers. The 12-bit ADC provides 200 ksps throughput suitable for vibration analysis and FFT-based condition monitoring. The 5V supply is convenient for industrial 4-20 mA loops, and the industrial -40C to +85C temperature range covers factory environments.
おすすめ
Audio Effects / General-Purpose DSP Prototyping
Although not optimized for audio, the DSPIC30F3014-30I/P can perform basic audio effects (biquad EQ, delay, chorus) at 8 kHz-22 kHz sample rates. Per the 70138b datasheet, the DSP engine delivers 16 MIPS for MAC operations, enough for simple multi-band audio processing. The UART/SPI interfaces drive external CODECs such as the MCP6022 audio path. This makes the part attractive for hobbyists and engineering education on DSC concepts.
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: DSPIC30F3014-30I/P — 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 | DSPIC30F3014-20I/P | DSPIC30F3014-30I/PT | DSPIC30F3013-30I/P | DSPIC30F4013-30I/P | DSPIC30F3012-30I/P | DSPIC30F3011-30I/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP - same | 44-pin TQFP - different | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Maximum MIPS | 30 MIPS | 20 MIPS (-33%) | 30 MIPS | 30 MIPS | 30 MIPS | 30 MIPS | 30 MIPS |
| Supply Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V |
| Temperature Range | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Approximate Unit Price (qty 100) | USD 5.55 | Lower (typically -10%) | Slightly higher (TQFP) | Comparable | Higher (+15-25%) | Comparable | Comparable |
主な差別化要因
- Full motor-control PWM module integrated （vs DSPIC30F3014-20I/P)
- Higher Flash density within same package （vs DSPIC30F3012-30I/P)
- Drop-in upgrade path to 48 KB Flash variant （vs DSPIC30F4013-30I/P)
- Through-hole prototyping package （vs DSPIC30F3014-30I/PT (TQFP))
設計ノート
Decouple each VDD/AVDD pair with a 0.1 uF ceramic capacitor placed within 5 mm of the pins, plus a single 10 uF bulk tantalum or ceramic capacitor at the supply entry point. For motor-control designs, route AVDD through a ferrite bead from VDD to isolate noisy digital return currents from the ADC reference. The on-chip voltage regulator provides the 2.5V core; no external core supply is needed. Always bulk-decouple the MCLR pin with 1 nF to VSS for proper reset behavior.
Keep analog signal traces (ADC inputs, VREF+) short and away from PWM outputs and switching-node traces. The 12-bit ADC is sensitive to switching noise injected via ground bounce. Use a single ground plane split under the IC with analog and digital grounds connected only at the IC's AVSS pin (star-ground topology). Place the crystal/oscillator within 1 cm of OSC1/OSC2 and guard with a ground ring.
Do not assume any GPIO can source > 5 mA without checking the IOL/IOH specs; sourcing beyond the rating damages the pin. The PWM outputs can source/sink up to 25 mA but should still drive external gate drivers rather than directly switch MOSFETs. Verify that the ADC input voltage stays within AVSS-0.3V to AVDD+0.3V or the input protection diode will forward-bias and corrupt the reading.
When using the on-chip DSP engine at full 30 MIPS, ensure that interrupt latency is acceptable for your control loop; the 70138b datasheet lists a 4-cycle interrupt latency. For motor-control PWM, configure the PWM module to trigger ADC conversion at the center of the PWM pulse to avoid switching-edge noise spikes. Use the 40-bit accumulator for FIR/IIR filter math to avoid overflow on 16-bit intermediate results.
コンプライアンス情報
RoHS and REACH compliant per Microchip product page. Lead-free PDIP-40 package. Industrial temperature range (-40C to +85C) denoted by 'I' suffix. Not AEC-Q100 qualified - this is a general-purpose industrial MCU, not an automotive-grade part.
