DSPIC30F4011T-20I/ML - 16-bit DSC, 20 MIPS, 48KB Flash | Microchip
料号： DSPIC30F4011T-20I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.2 | $9.20 |
| 10 | $8.3 | $83.00 |
| 100 | $7.45 | $745.00 |
| 500 | $6.7 | $3,350.00 |
| 1,000 | $5.95 | $5,950.00 |
DSPIC30F4011T-20I/ML 概述
What is a DSC? A Digital Signal Controller is a hybrid MCU/DSP that combines a microcontroller's deterministic control peripherals with a DSP engine capable of single-cycle MAC operations. In the system hierarchy, a DSC sits between an MCU (control-oriented) and a full DSP (compute-oriented); it is widely used in motor-control and digital-power loops where both tight control and signal-processing math are required in one device.
Key features of this part include a high-performance dsPIC30 CPU core with hardware multiply-accumulate, dual 10-bit ADC modules, a 6-channel 16-bit PWM module (with complementary or independent outputs and dead-time control), a quadrature encoder interface (QEI), CAN, I2C, SPI, and UART peripherals. The 44-pin QFN exposed-pad package delivers a compact 8 mm x 8 mm footprint with a low thermal-resistance path to PCB copper.
Architecturally, the dsPIC30F4011 uses a modified Harvard architecture with separate program and data paths, a 24-bit instruction word, and a 16-bit data path with two 40-bit accumulators for DSP operations. The integrated motor-control PWM supports edge-aligned, center-aligned, and variable-phase modes required for 3-phase inverter switching.
Typical applications include 3-phase BLDC/PMSM motor drives, sensorless field-oriented control (FOC), digital PFC power-factor-correction loops, UPS inverters, and industrial automation sensor conditioning. The integrated CAN bus and QEI simplify sensor-rich industrial nodes.
Design consideration: place a 10 uF bulk capacitor and a 0.1 uF decoupling capacitor close to the VDD/VSS pairs, and solder the exposed pad (EP) to a continuous copper pour to maintain junction temperature within the -40C to +85C industrial range at full MIPS.
This page synthesizes distributor stock, drop-in alternatives within the dsPIC30F family, and practical PCB design notes not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC30F4011T-20I/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： DSPIC30F4011T-20I/ML （相同外形与封装尺寸） ——差异在于 ADC, Package, Operating Temperature, Core Architecture, Timers.
快速对比工具——选择替代料号进行并排对比：
DSPIC30F4011-20I/ML
✅ 直接替换✓ 有现货
$4.15 / 个
查看数据手册 →DSPIC30F4011T-20E/ML
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC30F4011T-30I/ML
✅ 直接替换✓ 有现货
$5.2 / 个
查看数据手册 →DSPIC30F4011T-20I/ML 最大额定值与电气特性
| Core | dsPIC30F, 16-bit DSC |
| CPU Speed | 20 MIPS |
| Clock Speed | 40 MHz max |
| Program Memory (Flash) | 48 KB (16K x 24) |
| RAM | 2 KB |
| Supply Voltage (VDD) | 3 V to 5.5 V (operating); 2.5 V/3.3 V/5 V family |
| I/O Pins | 20 |
| 封装 | 44-pin QFN (ML), 8 x 8 mm, with exposed pad |
| 工作温度 | -40C to +85C (industrial, 'I' suffix) |
| ADC | Dual 10-bit, multi-channel |
| PWM | Motor-control PWM, 6 channels, 16-bit |
| Communication | CAN, I2C, SPI, UART/USART |
| Quadrature Encoder Interface | Yes (QEI) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel (T/R) |
DSPIC30F4011T-20I/ML 引脚配置
| 引脚 1 | SDA/RF4 — I2C data / GPIO |
| 引脚 2 | SCL/RF3 — I2C clock / GPIO |
| 引脚 3 | RF2/CN20 — GPIO / change notification |
| 引脚 4 | RF1/CN21 — GPIO / change notification |
| 引脚 5 | RF0/CN22 — GPIO / change notification |
| 引脚 6 | VDD — Digital supply voltage |
| 引脚 7 | VSS — Digital ground |
| 引脚 8 | OSC1/CLKI — Crystal oscillator input / external clock |
| 引脚 9 | OSC2/CLKO — Crystal oscillator output |
| 引脚 10 | MCLR — Master clear reset (active-low) |
| 引脚 11 | RE0/INT0 — GPIO / external interrupt 0 |
| 引脚 12 | RE1/INT1 — GPIO / external interrupt 1 |
| 引脚 13 | RE2/INT2 — GPIO / external interrupt 2 |
| 引脚 14 | RE3/CN1 — GPIO / change notification |
| 引脚 15 | RE4/CN2 — GPIO / change notification |
| 引脚 16 | RE5/CN3 — GPIO / change notification |
| 引脚 17 | AVDD — Analog supply voltage |
| 引脚 18 | AVSS — Analog ground |
| 引脚 19 | AN0/RA0 — Analog input 0 / GPIO |
| 引脚 20 | AN1/RA1 — Analog input 1 / GPIO |
| 引脚 21 | AN2/RA2 — Analog input 2 / GPIO |
| 引脚 22 | AN3/RA3 — Analog input 3 / GPIO |
| 引脚 23 | AN4/RA4 — Analog input 4 / GPIO |
| 引脚 24 | AN5/RA5 — Analog input 5 / GPIO |
| 引脚 25 | VDD — Digital supply voltage |
| 引脚 26 | VSS — Digital ground |
| 引脚 27 | RB0/AN8 — GPIO / analog input 8 |
| 引脚 28 | RB1/AN9 — GPIO / analog input 9 |
| 引脚 29 | RB2/AN10/C1IN+ — GPIO / analog input 10 / comparator input |
| 引脚 30 | RB3/AN11/C1IN- — GPIO / analog input 11 / comparator input |
| 引脚 31 | RB4/AN12/C2IN+ — GPIO / analog input 12 / comparator input |
| 引脚 32 | RB5/AN13/C2IN- — GPIO / analog input 13 / comparator input |
| 引脚 33 | RB6/PGEC1 — GPIO / ICSP clock |
| 引脚 34 | RB7/PGED1 — GPIO / ICSP data |
| 引脚 35 | RC13/SDO1 — GPIO / SPI data out |
| 引脚 36 | RC14/SDI1 — GPIO / SPI data in |
| 引脚 37 | OSC1/RC15 — Secondary oscillator / GPIO |
| 引脚 38 | RC1/T2CK — GPIO / Timer2 clock |
| 引脚 39 | RC2/PWM1H — PWM1 high output |
| 引脚 40 | RC3/PWM1L — PWM1 low output (complementary) |
| 引脚 41 | RC4/PWM2H — PWM2 high output |
| 引脚 42 | RD0/PWM2L — PWM2 low output / GPIO |
| 引脚 43 | RD1/PWM3H — PWM3 high output / GPIO |
| 引脚 44 | RD2/PWM3L — PWM3 low output / GPIO |
典型应用
DSPIC30F4011T-20I/ML 适用于 6 应用s: 3-Phase BLDC/PMSM Motor Drive, Digital Power Factor Correction (PFC), Uninterruptible Power Supply (UPS) Inverter, Industrial Sensor Conditioning & CAN Node, Solar Micro-Inverter, Automotive Body Electronics Module.
3-Phase BLDC/PMSM Motor Drive
The DSPIC30F4011T-20I/ML is purpose-built for 3-phase BLDC and PMSM motor control, where its integrated 6-channel 16-bit motor-control PWM with complementary outputs and dead-time control eliminates the need for an external PWM controller. At 20 MIPS, the dsPIC30F core executes field-oriented control (FOC) algorithms within a single PWM cycle (typically 50 us at 20 kHz switching frequency), allowing simultaneous current loop, speed loop, and space-vector modulation. The 48 KB Flash holds the complete sensorless FOC state machine including Clarke/Park transforms, an SMO observer, and PI controllers.
推荐
Digital Power Factor Correction (PFC)
In boost-PFC front-end converters, the DSPIC30F4011T-20I/ML's 20 MIPS throughput and 10-bit ADC with 200 ksps aggregate throughput enable average-current-mode control at typical 65 kHz switching frequencies. The DSC's single-cycle MAC accelerates the multiply-intensive input-current shaping loop, and the PWM's fault-input allows nanosecond over-current protection without CPU intervention. With 48 KB Flash, designers implement soft-start, input-voltage feedforward, and THD-optimized modulation within a single chip.
推荐
Uninterruptible Power Supply (UPS) Inverter
For on-line UPS systems, the DSPIC30F4011T-20I/ML generates the SPWM or SVPWM waveforms driving the DC-AC inverter stage while simultaneously running the sinusoidal reference generator and output-voltage regulation loop. The QEI input can be used to read back output frequency for closed-loop regulation, and the CAN peripheral enables paralleling multiple UPS modules. Industrial-grade -40C to +85C operation supports installation in non-climate-controlled electrical rooms.
推荐
Industrial Sensor Conditioning & CAN Node
The DSPIC30F4011T-20I/ML's combination of dual 10-bit ADC inputs, integrated CAN 2.0B controller, and 20 MIPS processing makes it a complete industrial sensor node - digitizing analog sensor signals, applying digital filtering or linearization in software, and broadcasting the result over CAN. With 48 KB Flash, the part can hold application-specific calibration tables and proprietary sensor compensation algorithms.
推荐
Solar Micro-Inverter
Grid-tied solar micro-inverters operating below 600 W use the DSPIC30F4011T-20I/ML to execute MPPT, anti-islanding detection, and grid-synchronization control loops. The 20 MIPS budget supports perturb-and-observe or incremental-conductance MPPT at 10 Hz update rates while the inverter runs at 20-50 kHz PWM. The integrated CAN or UART enables module-level monitoring and remote firmware updates.
推荐
Automotive Body Electronics Module
While not AEC-Q100 qualified, the DSPIC30F4011T-20I/ML's industrial -40C to +85C range suits non-safety automotive body applications such as seat controllers, mirror actuators, or HVAC damper control. The 20-channel 10-bit ADC reads multiple position sensors, and the 6-channel PWM drives brushed DC or small BLDC actuators. For under-hood or safety-critical automotive use, migrate to a dsPIC33F AEC-Q100 device.
推荐
推荐产品汇总
工程参考数据： DSPIC30F4011T-20I/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 | DSPIC30F4011-20I/ML | DSPIC30F4011T-20E/ML | DSPIC30F4011T-30I/ML | DSPIC30F4011T-20I/PT |
|---|---|---|---|---|---|
| Package | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm | 44-pin TQFP (PT) 10x10 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed (MIPS) | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS (+50%) | 20 MIPS |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| CAN Bus | Yes | Yes | Yes | Yes | Yes |
| PWM Channels | 6 (motor-control PWM) | 6 | 6 | 6 | 6 |
关键差异点
- Integrated CAN bus plus 6-channel motor-control PWM （对比 DSPIC30F4011-20I/PT)
- 20 MIPS performance grade （对比 DSPIC30F4011T-30I/ML)
- Industrial -40C to +85C operating range （对比 DSPIC30F4011T-20E/ML)
设计说明
Place a 10 uF tantalum or ceramic bulk capacitor and a 0.1 uF decoupling capacitor within 3 mm of each VDD/VSS pin pair. For the QFN exposed pad, solder to a continuous copper pour with at least 8 thermal vias (0.3 mm diameter) to the internal ground plane. This minimizes ground bounce during high-speed PWM switching transitions that can corrupt ADC readings on the same die.
Route the ADC analog inputs (AN0-AN13) away from the PWM output traces and digital switching signals. Use a ground-plane guard ring around sensitive analog input pins and consider a separate AVSS trace back to the regulator ground. Place the AVdd decoupling capacitor (10 uF + 0.1 uF) within 5 mm of the AVdd pin to suppress noise coupling into the ADC reference.
Estimated: at full 20 MIPS operation with all peripherals active and PWM switching at 20 kHz, the DSPIC30F4011T-20I/ML dissipates approximately 0.5 W in the QFN package. Without the exposed pad soldered to copper, theta_JA rises above 60 C/W; with proper exposed-pad soldering to 1 square inch of 2 oz copper, theta_JA drops to approximately 25 C/W, keeping junction rise below 12 C above ambient at 0.5 W.
The dsPIC30F4011 requires configuration bits to be programmed for oscillator selection (FOSC), watchdog timer (FWDT), and code protection (FGS); unprogrammed configuration bits default to internal FRC with watchdog enabled, which can prevent external oscillator operation on first power-up. Always set the JTAG/debug disable bit (ICS) only after final code is locked, otherwise ICSP debugging will be permanently disabled.
合规信息
RoHS and REACH compliance per Microchip product environmental compliance documentation. Not AEC-Q100 qualified - for AEC-Q100 automotive applications, use the dsPIC33F AEC-Q100 family.
