DSPIC30F3014-30I/ML - 16-bit DSC, 30 MIPS, 24KB Flash | Microchip
MPN： DSPIC30F3014-30I/ML ✓ 啟用中DSPIC30F3014-30I/ML 概覽
A Digital Signal Controller is a hybrid device that combines the deterministic interrupt behaviour and peripheral set of a microcontroller with the MAC (Multiply-Accumulate) engine and DSP-specific instructions of a Digital Signal Processor. Within Microchip's product taxonomy, the DSPIC30F3014 belongs to the dsPIC30F family of motor-control DSCs, sitting in the broader hierarchy DSC -> MCU -> embedded processor -> semiconductor. Its single-cycle MAC unit and 40-bit accumulators enable closed-loop control loops (FOC, PI, PID) and digital filters to run in software without external DSP hardware.
Key features of this part include 2KB of RAM, 1KB of EEPROM, an integrated 10-bit ADC with multiple conversion channels, motor-control PWM peripherals with complementary outputs and programmable dead-time, a 16-bit timer/counter, UART, SPI and I2C communication interfaces, plus JTAG boundary scan and In-Circuit Serial Programming (ICSP). The '30I' suffix denotes the 30 MIPS speed grade at the industrial -40C to +85C operating range, and 'ML' indicates the 44-pin QFN surface-mount package.
Architecturally, the DSPIC30F3014 uses a Harvard-bus modified RISC core with separate program and data paths, enabling simultaneous instruction fetch and data access. The DSP engine includes a 17x17-bit hardware multiplier and a 40-bit ALU, allowing single-cycle MAC operations critical for real-time control. The 5V-tolerant I/O and 4.5V-5.5V supply range also make it directly compatible with legacy 5V motor-drive gate-driver inputs without level shifting.
Typical applications include BLDC and PMSM motor control, sensorless and sensored field-oriented control (FOC), switched-mode power supplies, industrial inverters, and digital UPS systems. The wide operating voltage range and integrated analog simplify BLDC drive designs where discrete MCUs would otherwise require external ADC and PWM hardware.
When designing with this device, ensure the exposed thermal pad on the QFN package is soldered to a sufficiently large copper pour to dissipate the ~200 mA active current. Use the ICSP interface for in-field firmware updates and the JTAG pins for boundary-scan testing during production. Migration paths to dsPIC33F and PIC24 families in similar packages are explicitly supported by Microchip.
This page synthesises distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 DSPIC30F3014-30I/ML — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC30F3014-30I/ML （相同外形與佔位） — 差異在於 Package, ADC, Operating Temperature, Timers, Data EEPROM.
DSPIC30F3014-20I/ML
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC30F3014-20E/ML
✅ 直接替換聯絡詢價
查看資料表 →DSPIC30F3013-30I/ML
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC30F3012-30I/ML
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC30F4013-30I/ML
✅ 直接替換聯絡詢價
查看資料表 →DSPIC30F3010-30I/ML
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC30F3014-30I/ML 最大額定值與電氣特性
| Core Architecture | dsPIC30F 16-bit DSC (Harvard RISC + DSP engine) |
| CPU Speed | 30 MIPS (40 MHz oscillator) |
| Program Memory (Flash) | 24 KB (8K x 24 words) |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB |
| Supply Voltage Range | 4.5 V to 5.5 V (low-power mode 2.5 V at 10 MHz) |
| 工作溫度 | -40 C to +85 C (industrial) |
| 封裝 | 44-QFN (8x8 mm) with exposed thermal pad |
| 安裝類型 | Surface Mount |
| ADC | 10-bit, multi-channel |
| PWM Modules | Motor-control PWM with complementary outputs and dead-time |
| Communication Interfaces | UART, SPI, I2C |
| Timer/Counters | 16-bit |
| Programming/Debug | ICSP and JTAG boundary scan |
| RoHS 狀態 | Compliant |
DSPIC30F3014-30I/ML 腳位配置
| 腳位 1 | EMUD/EMU5 — Device programming/debug data I/O, shared with EMU5 |
| 腳位 2 | EMUC/EMU4 — Device programming/debug clock I/O, shared with EMU4 |
| 腳位 3 | MCLR — Master Clear (reset) input, active-low |
| 腳位 4 | OSC1 — Crystal oscillator input |
| 腳位 5 | OSC2 — Crystal oscillator output |
| 腳位 6 | AVDD — Analog supply voltage |
| 腳位 7 | AVSS — Analog ground |
| 腳位 8 | AN0 — Analog input 0 |
| 腳位 9 | AN1 — Analog input 1 |
| 腳位 10 | AN2 — Analog input 2 |
| 腳位 11 | AN3 — Analog input 3 |
| 腳位 12 | AN4 — Analog input 4 |
| 腳位 13 | AN5 — Analog input 5 |
| 腳位 14 | AN6 — Analog input 6 |
| 腳位 15 | AN7 — Analog input 7 |
| 腳位 16 | AN8 — Analog input 8 |
| 腳位 17 | AN9 — Analog input 9 |
| 腳位 18 | AN10 — Analog input 10 |
| 腳位 19 | AN11 — Analog input 11 |
| 腳位 20 | AN12 — Analog input 12 |
| 腳位 21 | AN13 — Analog input 13 |
| 腳位 22 | AN14 — Analog input 14 |
| 腳位 23 | AN15 — Analog input 15 |
| 腳位 24 | VDD — Digital supply voltage |
| 腳位 25 | VSS — Digital ground |
| 腳位 26 | PWM1L — PWM1 low-side output |
| 腳位 27 | PWM1H — PWM1 high-side output |
| 腳位 28 | PWM2L — PWM2 low-side output |
| 腳位 29 | PWM2H — PWM2 high-side output |
| 腳位 30 | PWM3L — PWM3 low-side output |
| 腳位 31 | PWM3H — PWM3 high-side output |
| 腳位 32 | U1RX/SDI1 — UART1 RX / SPI1 data in |
| 腳位 33 | U1TX/SDO1 — UART1 TX / SPI1 data out |
| 腳位 34 | SCK1 — SPI1 clock |
| 腳位 35 | SDA1 — I2C1 data |
| 腳位 36 | SCL1 — I2C1 clock |
| 腳位 37 | TMS — JTAG test mode select |
| 腳位 38 | TCK — JTAG test clock |
| 腳位 39 | TDO — JTAG test data out |
| 腳位 40 | TDI — JTAG test data in |
| 腳位 41 | INT0 — External interrupt 0 |
| 腳位 42 | PGD — ICSP programming data |
| 腳位 43 | PGC — ICSP programming clock |
| 腳位 44 | EP — Exposed thermal pad (must be soldered to PCB ground pad) |
典型應用
DSPIC30F3014-30I/ML 適用於 6 應用s: BLDC and PMSM Motor Control, Switched-Mode Power Supply (SMPS) Digital Control, Industrial Variable-Frequency Drives (VFDs), Digital Uninterruptible Power Supply (UPS), Sensorless Field-Oriented Control (FOC) Fans and Pumps, Automotive Auxiliary Motor Control.
BLDC and PMSM Motor Control
The DSPIC30F3014-30I/ML is explicitly designed for BLDC and PMSM motor drives: its 30 MIPS throughput paired with the single-cycle 17x17-bit MAC engine and 40-bit accumulators executes field-oriented control (FOC) and space-vector modulation within tight PWM periods. The integrated motor-control PWM peripheral with complementary outputs and programmable dead-time generation directly drives 3-phase inverter gates without external logic. Typical implementations use the 10-bit ADC for phase-current sensing and the QEI (Quadrature Encoder Interface) for rotor-position feedback, all on-chip. Compared with a generic MCU, the DSPIC30F3014 eliminates external DSP hardware and reduces BOM cost while supporting sensorless FOC algorithms such as BEMF zero-crossing detection.
推薦
Switched-Mode Power Supply (SMPS) Digital Control
The DSPIC30F3014-30I/ML's 30 MIPS performance and high-speed 10-bit ADC enable digital control loops for DC-DC converters and PFC (Power Factor Correction) stages. Its hardware PWM can be used to drive the power-stage MOSFETs directly, while the ADC samples feedback signals for voltage-mode or current-mode control algorithms executed in software. The 2 KB RAM accommodates state-variable feedback observers, and the 1 KB EEPROM stores calibrated compensation coefficients across power cycles. Compared to analogue control loops, this digital approach yields adaptive compensation, easier firmware updates, and reduced component count. Migration to dsPIC33F and PIC24 is explicitly supported for higher-performance digital-power applications.
推薦
Industrial Variable-Frequency Drives (VFDs)
In industrial VFDs for pumps, fans, and HVAC compressors, the DSPIC30F3014-30I/ML serves as the control brain for scalar (V/Hz) and vector (FOC) motor-control algorithms. Its 4.5-5.5 V supply tolerates 24V industrial bus rails with simple regulators, and the -40C to +85C industrial temperature range supports factory-floor environments. The integrated 10-bit ADC reads shunt current sensors, DC-bus voltage, and temperature feedback; the UART/SPI/I2C ports interface to industrial-communication peripherals like MCP2515 CAN modules or RS-485 transceivers. Compared with separate MCU+DSP solutions, the DSC architecture reduces PCB area and BOM cost while delivering deterministic interrupt latency for real-time current-loop execution.
推薦
Digital Uninterruptible Power Supply (UPS)
The DSPIC30F3014-30I/ML's DSP engine is well suited to digital UPS control: it runs inverter-control loops, sinusoidal PWM generation, and battery-management algorithms simultaneously within the 30 MIPS budget. The 24 KB Flash accommodates full UPS state-machine code plus DSP library routines for true-RMS metering and battery equalisation. The 10-bit ADC senses DC-bus voltage, output current, and battery temperature, while the PWM peripheral drives the inverter H-bridge. Compared to analogue UPS controllers, this digital implementation enables remote monitoring via UART, firmware-upgradeable battery-charging profiles, and adaptive load-transfer algorithms. Extended-temperature -40C to +125C variant DSPIC30F3014-20E/ML is preferred for outdoor UPS cabinets.
推薦
Sensorless Field-Oriented Control (FOC) Fans and Pumps
For cost-sensitive BLDC fan and pump applications requiring sensorless FOC, the DSPIC30F3014-30I/ML is a strong fit: its 30 MIPS throughput runs BEMF (Back-EMF) zero-crossing detection and FOC math concurrently, while the integrated motor-control PWM delivers complementary 6-step or sinusoidal drive signals with programmable dead-time. The exposed thermal pad on the 44-QFN package supports the active ~200 mA current without external heatsinks in typical fan/pump environments. Compared to sensor-based drives, this sensorless approach reduces wiring and failure modes, making it attractive for appliance fans, refrigerator compressors, and circulation pumps where BOM cost is critical.
推薦
Automotive Auxiliary Motor Control
In non-safety automotive applications such as HVAC blower motors, water pumps, and electric mirrors, the DSPIC30F3014-30I/ML (when used within its industrial -40C to +85C range) provides BLDC/PMSM motor control in a single chip. The 5V-tolerant I/O interfaces directly to 5V automotive sensor rails without level shifters, while the ICSP and JTAG interfaces enable factory firmware programming and end-of-line boundary-scan testing. The motor-control PWM with dead-time generation prevents shoot-through in the 12V-driven H-bridge stage. Note: for AEC-Q100-qualified automotive requirements the dsPIC33F family or dedicated automotive-grade DSCs should be considered; this standard part suits non-safety auxiliary loads.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC30F3014-30I/ML — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC30F3014-20I/ML | DSPIC30F3014-20E/ML | DSPIC30F4013-30I/ML | DSPIC30F3013-30I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| CPU Speed | 30 MIPS | 20 MIPS | 20 MIPS | 30 MIPS | 30 MIPS |
| Flash Program Memory | 24 KB | 24 KB | 24 KB | 48 KB | 40 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 4 KB | 2 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 |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C |
| Motor-Control PWM Channels | 3 pairs (6 outputs) | 3 pairs (6 outputs) | 3 pairs (6 outputs) | 4 pairs (8 outputs) | 3 pairs (6 outputs) |
主要差異化特點
- DSP engine integrated into MCU for single-chip motor control (對比DSPIC30F3014-20I/ML (same family, lower speed grade))
- Industrial temperature range with motor-control optimised PWM (對比DSPIC30F3014-20E/ML (extended temperature variant))
- Compact 44-QFN package with exposed thermal pad (對比DSPIC30F4013-30I/ML (same package, more peripherals))
設計說明
Estimated: at 30 MIPS active operation the DSPIC30F3014-30I/ML draws approximately 200 mA from a 5 V supply (about 1 W dissipation). The 44-QFN exposed thermal pad has a typical theta_JA around 28 C/W with a 1 square inch 2-oz copper pour. Junction rise at 1 W is roughly 28 C, supporting the -40C to +85C industrial range comfortably. Without the thermal pad soldered to copper, the part can overheat and trigger thermal shutdown. Always solder the EP pin to a PCB ground plane sized per datasheet thermal guidelines.
Place decoupling capacitors (100 nF ceramic in parallel with 10 uF tantalum or ceramic) on every VDD/AVDD pin as close as possible to the package. Route analog (AVDD/AVSS) separately from digital supplies using a ferrite bead or pi-filter to keep switching noise out of the 10-bit ADC reference. Keep the 4-layer PCB to maintain a continuous ground plane under the QFN EP pad; avoid signal traces cutting under the device to prevent reference-plane splits that degrade ADC accuracy.
Route the motor-control PWM outputs (PWMxL/PWMxH) as differential pairs of equal length, keeping them short and away from analog signal traces to minimise capacitive coupling and ground bounce. Place the ICSP/JTAG connector header at the board edge with 4.7 kohm pull-ups on TMS/TCK/TDI/TDO per Microchip recommendations. Add a bootstrap-capacitor footprint near the MCLR pin (typical 10 kohm pull-up to VDD, 100 nF to ground for reset timing).
Critical: ensure firmware does not exceed the 24 KB Flash boundary or the device will fail to boot. Always configure the configuration bits (FOSC, FWDT, FICD, FBORPOR) before code upload; incorrect settings can lock the ICSP interface. The 4.5-5.5 V supply must be monotonic during power-up; if not, use the internal Brown-Out Reset (BOR) or external supervisor. Do not apply voltage to analog inputs (AN0-AN15) outside the AVDD/AVSS range without current-limiting, or the input ESD structure may be damaged.
合規資訊
RoHS-compliant per Microchip product page. Not AEC-Q100 qualified - use dsPIC33F automotive-grade family for safety-critical automotive applications.
