DSPIC30F3014T-20I/PT - 16-bit DSC, 20 MIPS, 24KB Flash | Microchip
部品番号: DSPIC30F3014T-20I/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.97 | $497.00 |
| 500 | $4.46 | $2,230.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC30F3014T-20I/PT 概要
What is a dsPIC30F Digital Signal Controller? A Digital Signal Controller is a hybrid class of microcontroller that combines a traditional MCU control loop with a single-cycle DSP MAC (multiply-accumulate) engine. Compared with a general-purpose MCU, a DSC executes FIR/IIR filters, FFTs, and Park/Clark transforms used in field-oriented motor control in only a handful of cycles. The dsPIC30F family is positioned below the dsPIC33F and dsPIC33EP families in the Microchip 16-bit DSC taxonomy (dsPIC30F -> dsPIC33F -> dsPIC33EP), targeting cost-sensitive motor control and power-conversion applications.
Key features of the DSPIC30F3014T-20I/PT include a 20 MIPS CPU (10 MHz external oscillator with 4x PLL), on-chip peripherals for motor control such as a 6-channel 10-bit ADC (up to 1 Msps), a 6-channel PWM module with complementary outputs and dead-time control, plus a quadrature encoder interface (QEI). Communication peripherals include I2C, SPI, and UART/USART, while the device offers up to 20 digital I/O pins suitable for H-bridge gating, sensor feedback, and user-interface signaling.
Typical applications include BLDC and PMSM motor drives, sensorless and sensored FOC controllers for appliance pumps and fans, digital switched-mode power supplies (SMPS) with PFC, UPS systems, and automotive body/comfort modules. The combination of DSP throughput, integrated motor-control peripherals, and 24 KB of Flash makes the DSPIC30F3014 a frequent choice for sub-1 kW variable-frequency drives where deterministic interrupt latency is required.
When designing with this device, allocate at least 20 % of Flash for a bootloader if field firmware updates are planned, and ensure the analog supply AVSS is tied to a clean ground to preserve ADC accuracy. Pair this DSC with a Microchip MCP1700 LDO and a TC427 MOSFET driver to build a complete 3-phase inverter reference design.
ドロップイン代替品: DSPIC30F3014T-20I/PT — 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: DSPIC30F3014T-20I/PT （同一形状・フットプリント） — 相違点: Operating Temperature, Core Architecture, Timers, ADC, 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 →DSPIC30F3014T-20E/PT
✅ ドロップイン✓ 在庫あり
$4.35 / 個
データシートを見る →DSPIC30F3011T-20I/PT
✅ ドロップイン✓ 在庫あり
$4.1 / 個
データシートを見る →DSPIC33FJ32MC204-I/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
DSPIC30F3014T-20I/PT 最大定格＆電気的特性
| Core Architecture | dsPIC30F (16-bit DSC with DSP engine) |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB |
| CPU Speed | 20 MIPS |
| Supply Voltage (VDD) | 3.0 V to 5.5 V (operating range 2.5 V to 5.5 V) |
| 動作温度 | -40 °C to +85 °C (Industrial) |
| Digital I/O Pins | 20 |
| ADC | 6-channel, 10-bit, 1 Msps |
| PWM Modules | 6 channels (motor-control PWM with complementary outputs) |
| Quadrature Encoder Interface (QEI) | Yes |
| Communication Peripherals | I2C, SPI, UART/USART |
| Timers | 5 x 16-bit |
| パッケージ | 44-pin TQFP (10x10 mm) |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
| Lead-Free / MSL | Lead-free, MSL 3 (per JEDEC J-STD-020) |
DSPIC30F3014T-20I/PT ピン構成
| ピン 1 | AVSS — Analog ground |
| ピン 2 | AN0/RA0 — Analog input 0 / Port A bit 0 |
| ピン 3 | AN1/RA1 — Analog input 1 / Port A bit 1 |
| ピン 4 | AN2/RA2 — Analog input 2 / Port A bit 2 |
| ピン 5 | AN3/RA3 — Analog input 3 / Port A bit 3 |
| ピン 6 | AVDD — Analog supply voltage |
| ピン 7 | MCLR — Master Clear (reset) input |
| ピン 8 | OSC1/CLKI — Crystal oscillator input / external clock in |
| ピン 9 | OSC2/CLKO — Crystal oscillator output |
| ピン 10 | VSS — Digital ground |
| ピン 11 | VDD — Digital supply voltage |
| ピン 12 | RB0/AN4 — Port B bit 0 / Analog input 4 |
| ピン 13 | RB1/AN5 — Port B bit 1 / Analog input 5 |
| ピン 14 | RB2/CN21 — Port B bit 2 / Change notification 21 |
| ピン 15 | RB3/CN22 — Port B bit 3 / Change notification 22 |
| ピン 16 | RB4/QEA — Port B bit 4 / Quadrature Encoder Phase A |
| ピン 17 | RB5/QEB — Port B bit 5 / Quadrature Encoder Phase B |
| ピン 18 | RB6/INDEX — Port B bit 6 / QEI Index pulse |
| ピン 19 | RB7 — Port B bit 7 |
| ピン 20 | RC13/FLTA — Port C bit 13 / PWM Fault A |
| ピン 21 | RC14/FLTB — Port C bit 14 / PWM Fault B |
| ピン 22 | RD0/PWM1H — Port D bit 0 / PWM1 High output |
| ピン 23 | RD1/PWM1L — Port D bit 1 / PWM1 Low output |
| ピン 24 | RD2/PWM2H — Port D bit 2 / PWM2 High output |
| ピン 25 | RD3/PWM2L — Port D bit 3 / PWM2 Low output |
| ピン 26 | RC15/PWM3H — Port C bit 15 / PWM3 High output |
| ピン 27 | VSS — Digital ground |
| ピン 28 | VDD — Digital supply voltage |
| ピン 29 | RD4/PWM3L — Port D bit 4 / PWM3 Low output |
| ピン 30 | RD5/PWM4H — Port D bit 5 / PWM4 High output |
| ピン 31 | RD6/PWM4L — Port D bit 6 / PWM4 Low output |
| ピン 32 | RD7/PWM5H — Port D bit 7 / PWM5 High output |
| ピン 33 | RD8/PWM5L — Port D bit 8 / PWM5 Low output |
| ピン 34 | RD9/PWM6H — Port D bit 9 / PWM6 High output |
| ピン 35 | RD10/PWM6L — Port D bit 10 / PWM6 Low output |
| ピン 36 | RD11 — Port D bit 11 |
| ピン 37 | RF0/SDA — Port F bit 0 / I2C Data |
| ピン 38 | RF1/SCL — Port F bit 1 / I2C Clock |
| ピン 39 | RF2/U1RX — Port F bit 2 / UART1 Receive |
| ピン 40 | RF3/U1TX — Port F bit 3 / UART1 Transmit |
| ピン 41 | RF4/SDI — Port F bit 4 / SPI Data In |
| ピン 42 | RF5/SDO — Port F bit 5 / SPI Data Out |
| ピン 43 | RF6/SCK — Port F bit 6 / SPI Clock |
| ピン 44 | VSS — Digital ground |
主な用途
DSPIC30F3014T-20I/PT の用途: 6 件s: BLDC / PMSM Motor Control (Field-Oriented Control), Digital Switched-Mode Power Supply (SMPS) with PFC, Uninterruptible Power Supply (UPS) Controller, Automotive Body and Comfort Modules, Industrial Variable-Frequency Drives (VFD), Sensorless Ceiling Fans and Appliance Pumps.
BLDC / PMSM Motor Control (Field-Oriented Control)
The DSPIC30F3014T-20I/PT is purpose-built for sensorless and sensored FOC of sub-1 kW BLDC and PMSM motors. Its 20 MIPS DSP engine executes Park/Clark transforms and PI current loops in only a handful of cycles per PWM period, while the integrated 6-channel motor-control PWM module with programmable dead time directly drives a 3-phase inverter. The on-chip QEI accepts quadrature encoder feedback for sensored commutation. Pair this DSC with a TC427 MOSFET driver and an MCP1700 LDO to build a complete 3-phase inverter reference design that meets typical 50-200 kHz PWM switching requirements for appliance pumps and fans.
おすすめ
Digital Switched-Mode Power Supply (SMPS) with PFC
The DSPIC30F3014T-20I/PT's 20 MIPS throughput and high-speed 10-bit ADC (1 Msps) make it a strong fit for digitally controlled SMPS and Power Factor Correction (PFC) stages. The DSC executes average-current-mode control loops, voltage-mode compensation, and PFC boost control in real time without taxing CPU bandwidth. The 24 KB Flash holds full compensation firmware plus a soft-start state machine, while 2 KB SRAM accommodates per-cycle sample buffers. Industrial SMPS designs typically pair this DSC with a TC427 driver and an MCP6S21 programmable-gain amplifier on the current-sense path for high-side current measurement.
おすすめ
Uninterruptible Power Supply (UPS) Controller
Online UPS topologies require a control loop that runs inverter switching, battery charging, and grid synchronization in parallel. The DSPIC30F3014T-20I/PT handles all three with its 20 MIPS DSP throughput, 6-channel ADC (for battery voltage, grid voltage, output current, and temperature sensing), and PWM peripherals (for inverter and charger control). Industrial-grade -40 °C to +85 °C operation supports deployment in server-room power equipment. Its UART enables Modbus/SCADA telemetry for remote monitoring, while EEPROM stores configuration parameters such as battery chemistry and grid voltage calibration constants across power cycles.
おすすめ
Automotive Body and Comfort Modules
Although the DSPIC30F3014T-20I/PT is the industrial-grade ('I' suffix) variant rather than AEC-Q100 qualified, its peripheral set is used in non-safety automotive body modules such as HVAC blend-door actuators, seat-position controllers, and window-lift modules. The PWM module drives brushed DC motor bridges for these loads, while the QEI reads multi-turn position sensors for closed-loop position control. The UART and SPI buses integrate with body-control CAN/LIN gateways via external transceivers. Automotive deployments targeting AEC-Q100 should use the dsPIC33EP family with the 'V' automotive suffix.
おすすめ
Industrial Variable-Frequency Drives (VFD)
Sub-1 kW industrial VFDs for pumps, fans, and conveyor systems leverage the DSPIC30F3014T-20I/PT's combination of DSP throughput, motor-control PWM, and QEI interface. The device runs sensorless FOC using back-EMF estimators or sensored FOC with incremental encoders, while the UART provides Modbus RTU connectivity for SCADA integration. Industrial-grade -40 °C to +85 °C operation and 3.0-5.5 V supply tolerate harsh factory-floor environments with noisy 24 V backplanes (post-regulation). The 24 KB Flash fits full V/f, sensorless-FOC, and sensored-FOC firmware variants selectable at runtime.
おすすめ
Sensorless Ceiling Fans and Appliance Pumps
Cost-sensitive appliance applications like ceiling fans and circulation pumps use the DSPIC30F3014T-20I/PT in sensorless BLDC mode to eliminate Hall-effect sensors and reduce BOM cost. The DSC's 20 MIPS DSP engine runs BEMF zero-crossing detection and PLL-based rotor estimators in software, while the 6-channel PWM drives a 3-phase inverter at 20-25 kHz to keep switching noise above the audible band. The compact 44-pin TQFP (10x10 mm) fits into the small PCBs typical of ceiling fan canopy modules. EEPROM stores last-used speed and direction preferences across power cycles for user convenience.
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: DSPIC30F3014T-20I/PT — 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/PT | DSPIC30F3014T-20E/PT | DSPIC30F3011T-20I/PT | DSPIC33FJ32MC204-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| CPU Speed | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 40 MIPS |
| Program Memory (Flash) | 24 KB | 24 KB | 24 KB | 24 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| ADC Resolution | 10-bit (6 ch) | 10-bit (6 ch) | 10-bit (6 ch) | 10-bit (4 ch) | 12-bit (9 ch) |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) |
| Packaging Medium | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tray |
主な差別化要因
- Industrial-grade motor-control DSC at sub-USD 4 pricing at volume （vs DSPIC33FJ32MC204-I/PT)
- Integrated QEI for sensored FOC without external logic （vs DSPIC30F3011T-20I/PT)
- Same TQFP-44 footprint across I-grade and E-grade variants （vs DSPIC30F3014T-20E/PT)
設計ノート
The DSPIC30F3014T-20I/PT requires a clean 3.0-5.5 V supply on VDD pins (11 and 28) and a separate AVDD pin (6) for the analog domain. Place a 10 µF bulk tantalum or ceramic + 0.1 µF ceramic decoupling pair within 5 mm of each VDD/VSS pair. AVSS (pin 1) must connect to the same ground plane as VSS, but route the analog supply trace separately to avoid digital switching noise coupling into the ADC reference. According to Microchip's dsPIC30F family datasheet, the on-chip voltage regulator requires a 10 µF low-ESR capacitor on the VCAP pin to maintain 1.8 V core supply stability.
When routing the 44-pin TQFP layout, place the crystal oscillator traces (OSC1/OSC2, pins 8 and 9) as short as possible and shield them with a ground pour on both sides. The PWM output pins (RD0-RD10) should fan out directly to the gate-driver inputs without crossing any analog feedback traces. The QEI inputs (RB4-RB6) must be length-matched if the encoder cable exceeds 100 mm, to avoid position-tracking jitter at high motor speeds. Microchip's AN1078 application note provides a complete PCB layout reference for dsPIC30F motor-control designs.
Three pitfalls recur in DSPIC30F3014T-20I/PT designs: (1) Forgetting to configure the FWDT (Watchdog Timer) post-reset leads to unintended resets when firmware takes too long to initialize; (2) Configuring PWM outputs without enabling the dead-time control unit can cause shoot-through in 3-phase inverters; (3) Reading the ADC without allowing the acquisition time (Tacq) to elapse after channel switching causes cross-talk between motor current samples. Per Microchip's family errata document, certain silicon revisions also require the ADC channel scan order to be configured sequentially, not interleaved, to avoid sample-and-hold settling errors.
コンプライアンス情報
RoHS compliant per Microchip product page. The 'I' suffix denotes industrial temperature grade (-40 °C to +85 °C); the part is NOT AEC-Q100 qualified - automotive safety applications should use dsPIC33EP AEC-Q100 variants. Halogen-free status not explicitly listed in the verified web data - marked unknown per data authenticity rules.