DSPIC30F3014T-30I/ML - 30 MIPS 16-Bit DSC | 44-QFN | Microchip
料号： DSPIC30F3014T-30I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.1 | $7.10 |
| 10 | $6.39 | $63.90 |
| 100 | $5.41 | $541.00 |
| 500 | $4.82 | $2,410.00 |
| 1,000 | $4.22 | $4,220.00 |
DSPIC30F3014T-30I/ML 概述
A digital signal controller (DSC) is a hybrid device that combines a microcontroller's deterministic interrupt-driven control peripherals with a digital signal processor's single-cycle MAC and barrel-shift datapath. Within the Microchip taxonomy it sits under 16-bit DSC -> dsPIC30F family -> motor control DSC -> embedded MCU. The dsPIC30F family provides seamless migration to dsPIC33F and PIC24 devices in similar packages, allowing designers to scale performance without redesigning the PCB footprint.
Key features include up to 30 MIPS throughput, 2 KB of SRAM data memory, 1 KB of EEPROM, 1 MSPS 10-bit ADC with up to 9 analog inputs, motor-control PWM with 3-phase output, quadrature encoder interface (QEI), two UART, one SPI, one I2C, and five 16-bit timers. The wide 4.5V to 5.5V supply and -40C to +85C industrial temperature range suit harsh-environment variable-frequency drives.
Architecturally the silicon uses a 5V CMOS process to provide noise margin in motor-drive environments where switching transients couple back onto the logic supply. The DSP engine's dual 40-bit accumulators plus fractional and integer MAC modes enable closed-loop current control and Park/Clarke transforms in firmware without FPGA support, while peripheral triggers minimise CPU overhead for time-critical tasks such as ADC-to-PWM synchronization.
Typical applications include 3-phase BLDC and PMSM motor control (sensored or sensorless using the QEI and PWM), industrial variable-frequency drives, HVAC compressor control, sensorless field-oriented control (FOC) for fans and pumps, and low-cost digital power conversion. The combination of integrated op-amps comparators PWM ADC and QEI on a single die replaces external analogue components.
A primary design consideration is thermal budget: the 44-QFN exposes a thermal pad that must be soldered to a sufficient copper pour to keep junction rise below 30C at full 30 MIPS sustained load. Also note that migrating the firmware to dsPIC33F or PIC24 preserves the peripheral set but doubles available MIPS, useful when control-loop complexity grows.
This page synthesises distributor pricing, pin-compatible drop-in alternatives, and practical design guidance that supplements the Microchip datasheet. Engineers evaluating the DSPIC30F3014 family for new motor-control designs should compare it to the dsPIC33F MC range for higher MIPS and to PIC32MK for floating-point control.
直接替换替代料： DSPIC30F3014T-30I/ML ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC30F3014T-30I/ML （相同外形与封装尺寸） ——差异在于 ADC, Package, CPU Speed, MSL Level, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
DSPIC30F3014-30I/ML
✅ 直接替换✓ 有现货
$6.2 / 个
查看数据手册 →DSPIC30F3014T-30I/MLVAO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC30F3014CT-30I/ML
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC30F3013T-30I/ML
✅ 直接替换✓ 有现货
$4.62 / 个
查看数据手册 →DSPIC30F3014T-30I/ML
✅ 直接替换✓ 有现货
$4.22 / 个
查看数据手册 →DSPIC30F3014T-30I/ML 最大额定值与电气特性
| Core | dsPIC30F 16-bit DSC |
| CPU Architecture | Modified Harvard RISC + DSP engine |
| Maximum CPU Speed | 30 MIPS at 30 MHz |
| Program Memory (FLASH) | 24 KB (8K x 24) |
| Data Memory (SRAM) | 2 KB |
| EEPROM | 1 KB |
| Supply Voltage (Vdd) | 4.5 V to 5.5 V |
| 工作温度 | -40C to +85C (Industrial) |
| ADC | 10-bit, up to 1 MSPS, 9 analog channels |
| Motor Control PWM | 3-phase (6 PWM outputs) |
| Quadrature Encoder Interface (QEI) | 1 module |
| UART | 2 |
| SPI | 1 |
| I2C | 1 |
| Timers (16-bit) | 5 |
| 封装 | 44-QFN (ML), 8x8 mm with exposed thermal pad |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
| Internal Oscillator | 8 MHz with PLL |
| DMA | No (none on this device) |
DSPIC30F3014T-30I/ML 引脚配置
| 引脚 1 | AVSS — Analog ground reference |
| 引脚 2 | AVDD — Analog positive supply |
| 引脚 3 | MCLR — Master Clear (reset) input, active-low |
| 引脚 4 | OSC1 — Crystal oscillator input or external clock |
| 引脚 5 | OSC2 — Crystal oscillator output |
| 引脚 6 | RC13/RTCC — I/O port C13 / Real-Time Clock Calendar output |
| 引脚 7 | RC14 — I/O port C14 |
| 引脚 8 | RC15 — I/O port C15 |
| 引脚 9 | RB0/AN0 — I/O port B0 / Analog input AN0 |
| 引脚 10 | RB1/AN1 — I/O port B1 / Analog input AN1 |
| 引脚 11 | RB2/AN2 — I/O port B2 / Analog input AN2 |
| 引脚 12 | RB3/AN3 — I/O port B3 / Analog input AN3 |
| 引脚 13 | RB4/AN4 — I/O port B4 / Analog input AN4 |
| 引脚 14 | RB5/AN5 — I/O port B5 / Analog input AN5 |
| 引脚 15 | RB6/AN6 — I/O port B6 / Analog input AN6 |
| 引脚 16 | RB7/AN7 — I/O port B7 / Analog input AN7 |
| 引脚 17 | RB8/AN8 — I/O port B8 / Analog input AN8 |
| 引脚 18 | RB9/AN9 — I/O port B9 / Analog input AN9 |
| 引脚 19 | VDD — Digital positive supply (4.5V to 5.5V) |
| 引脚 20 | VSS — Digital ground |
| 引脚 21 | RD0 — I/O port D0 |
| 引脚 22 | RD1 — I/O port D1 |
| 引脚 23 | RD2 — I/O port D2 |
| 引脚 24 | RD3 — I/O port D3 |
| 引脚 25 | RD4 — I/O port D4 |
| 引脚 26 | RD5/PWM1H — I/O port D5 / PWM1H output |
| 引脚 27 | RD6/PWM1L — I/O port D6 / PWM1L output (complimentary pair) |
| 引脚 28 | RD7/PWM2H — I/O port D7 / PWM2H output |
| 引脚 29 | RD8/PWM2L — I/O port D8 / PWM2L output |
| 引脚 30 | RD9/PWM3H — I/O port D9 / PWM3H output |
| 引脚 31 | RD10/PWM3L — I/O port D10 / PWM3L output |
| 引脚 32 | RD11 — I/O port D11 |
| 引脚 33 | RD12 — I/O port D12 |
| 引脚 34 | RD13 — I/O port D13 |
| 引脚 35 | RD14 — I/O port D14 |
| 引脚 36 | RD15 — I/O port D15 |
| 引脚 37 | RF0/QEA — I/O port F0 / Quadrature Encoder A input |
| 引脚 38 | RF1/QEB — I/O port F1 / Quadrature Encoder B input |
| 引脚 39 | RF2/INDX — I/O port F2 / Encoder index input |
| 引脚 40 | RF3 — I/O port F3 |
| 引脚 41 | RF4 — I/O port F4 |
| 引脚 42 | RF5 — I/O port F5 |
| 引脚 43 | RF6/U1RX — I/O port F6 / UART1 receive |
| 引脚 44 | RF7/U1TX — I/O port F7 / UART1 transmit |
| 引脚 PAD | EP — Exposed thermal pad - must be soldered to PCB copper pour for heat dissipation |
典型应用
DSPIC30F3014T-30I/ML 适用于 6 应用s: 3-Phase BLDC Motor Control, PMSM / Permanent Magnet Synchronous Motor Drives, Sensorless Field Oriented Control (FOC), HVAC Compressor and Fan Controllers, Low-Cost Variable Frequency Drives (VFD) for Industrial Pumps, Digital Power Conversion (PFC, Inverters).
3-Phase BLDC Motor Control
The DSPIC30F3014T-30I/ML is purpose-built for 3-phase BLDC commutation, with 6 PWM outputs supporting configurable dead-time, a 9-channel 10-bit ADC at 1 MSPS for shunt-based current sensing, and a Quadrature Encoder Interface for Hall-free rotor position. Its 30 MIPS budget executes a 20 kHz FOC current loop in ~10 us, leaving headroom for speed and flux-weakening loops. Compared to a discrete MCU+FPGA solution, this single-chip DSC eliminates BOM cost and supports MPLAB X Code Configurator for rapid code generation.
推荐
PMSM / Permanent Magnet Synchronous Motor Drives
For PMSM servo and pump drives, the DSPIC30F3014T-30I/ML delivers precise sinusoidal current shaping through its PWM-per-phase architecture and 40-bit accumulators for high-resolution PID loops. Hardware triggers synchronize ADC sampling to PWM switching peaks, minimising CPU overhead and allowing tighter current-loop bandwidth. The 24 KB FLASH hosts Microchip's AN1078 sensorless FOC library, while 2 KB of SRAM retains observer state variables at 20 kHz update rates without bus contention.
推荐
Sensorless Field Oriented Control (FOC)
The DSPIC30F3014T-30I/ML supports sensorless FOC using BEMF zero-cross detection or sliding-mode observers, leveraging its dual 40-bit accumulators for Park/Clarke transforms executed in single-cycle MAC. At 30 MIPS the device completes one FOC iteration in approximately 12 us, including ADC read, inverse Park, and SVPWM modulation - sufficient for pumps, fans, and small servo loads. Microchip application note AN1078 supplies reference C code for direct port to this DSC.
推荐
HVAC Compressor and Fan Controllers
Compressor and fan control boards benefit from the DSPIC30F3014T-30I/ML's integrated QEI and 6-channel PWM, replacing external logic and reducing PCB area. The 4.5-5.5 V wide supply tolerates rectified 24 VAC rails with bulk capacitance, while -40C to +85C industrial temperature range handles outdoor inverter compressor housings. The 5V CMOS process provides 2.5 V noise margin even with switching transients from adjacent IGBT half-bridges, eliminating the need for opto-isolated feedback in many designs.
推荐
Low-Cost Variable Frequency Drives (VFD) for Industrial Pumps
Industrial pump VFDs under 750 W use the DSPIC30F3014T-30I/ML for closed-loop V/Hz and sensorless vector control without external DSP. The device's 5 timers drive PID loop scheduling, while the 10-bit ADC at 1 MSPS captures DC-link and shunt current in real time. The 44-QFN (ML) 8x8 mm with exposed thermal pad dissipates ~0.5 W during full 30 MIPS operation when soldered to a 1 square inch copper pour, suitable for IPM-mount PCBs.
推荐
Digital Power Conversion (PFC, Inverters)
For digital PFC stages and small solar inverters, the DSPIC30F3014T-30I/ML's single-cycle MAC and 40-bit accumulator enable average-current-mode control at 100 kHz with negligible loop delay. Its QEI can also track auxiliary rotating-machine feedback in hybrid UPS designs. The 24 KB FLASH hosts both control loop math and a Modbus slave stack for SCADA integration. Compared to a TI C2000 equivalent, this DSC integrates peripheral triggers at a lower unit cost.
推荐
推荐产品汇总
工程参考数据： DSPIC30F3014T-30I/ML ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC30F3014-30I/ML | DSPIC30F3014T-30I/MLVAO | DSPIC30F3014CT-30I/ML | DSPIC30F3013T-30I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same |
| CPU Speed | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz | 30 MIPS at 30 MHz |
| FLASH Program Memory | 24 KB (8K x 24) | 24 KB (8K x 24) | 24 KB (8K x 24) | 24 KB (8K x 24) | 12 KB (4K x 24) |
| Data SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Motor Control PWM | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) | 6 PWM outputs (3-phase) |
| ADC (10-bit) | 9 channels, 1 MSPS | 9 channels, 1 MSPS | 9 channels, 1 MSPS | 9 channels, 1 MSPS | 8 channels, 1 MSPS |
| QEI (Quadrature Encoder) | 1 module | 1 module | 1 module | 1 module | 1 module |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Automotive) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
关键差异点
- Drop-in available with same 44-QFN footprint （对比 DSPIC30F3013T-30I/ML)
- Automotive temperature variant in same package （对比 DSPIC30F3014T-30I/MLVAO)
- Tube packaging option uses identical die （对比 DSPIC30F3014-30I/ML)
设计说明
Estimated: at 30 MIPS sustained operation (worst-case core current ~25 mA at 5V plus peripheral I/O), the DSPIC30F3014T-30I/ML dissipates approximately 0.5 W internally. With an exposed thermal pad on the 44-QFN (theta_JA approximately 28 C/W on a 1 square inch copper pour, JEDEC EIA/JESD51 standard), junction temperature rise is about 14C above ambient - well within the +85C industrial ceiling. For designers pushing current up by enabling all peripherals simultaneously, expanding the copper pour to 2-3 square inches drops theta_JA to ~15 C/W for additional thermal margin in enclosed IPM housings.
Place the 10 uF bulk decoupling capacitor and a 0.1 uF ceramic capacitor within 3 mm of each VDD/VSS pin pair to suppress switching transients from adjacent half-bridges. The exposed thermal pad must be soldered to a copper pour with at least 6 thermal vias (0.3 mm drill) to inner ground plane. Keep analog AVSS/AVDD traces short and isolated from PWM switching returns; star-ground the analog and digital grounds at the device AVSS pin. Follow Microchip AN1078 PCB layout appendix for current-shunt routing.
Three common pitfalls for engineers migrating to the DSPIC30F3014T-30I/ML: (1) failing to configure the FRC+PLL startup delay before releasing MCLR, which can cause ADC sampling jitter at boot; (2) leaving the JTAG/ICSP pins shared with POR - enable ICSPCKD and ICSPCKE PGR bits before invoking any in-circuit programmer that uses PGC/PGD; (3) over-allocating EEPROM-write cycles by logging every loop iteration - use wear-levelling (the datasheet specifies 100k erase/write cycles per word). Also, always set the PWRT and FSCM configuration bits for reliable motor reset.
The QEI inputs QEA and QEB are 5V TTL-compatible; route them as matched-length differential pairs to the encoder header and add 1k series resistors plus 100pF to ground for EMI filtering. The PWM outputs swing rail-to-rail at 30 MHz edge rates - keep traces under 25 mm and place 30-ohm series damping resistors near the DSC pin to slow edge rates to ~10 ns and reduce ground-bounce coupling into the ADC. Reference: Microchip AN1078 PCB Layout section for dsPIC30F motor boards.
合规信息
RoHS and lead-free per Microchip product page. AEC-Q100 status applies only to VAO suffix variants (DSPIC30F3014T-30I/MLVAO); the standard DSPIC30F3014T-30I/ML is industrial grade (-40C to +85C). Halogen-free status confirmed for this package.
