DSPIC30F3011T-20I/ML - 16-bit 20 MIPS DSC, 24KB Flash | Microchip
料号： DSPIC30F3011T-20I/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.97 | $49.70 |
| 100 | $4.41 | $441.00 |
| 500 | $3.92 | $1,960.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC30F3011T-20I/ML 概述
A Digital Signal Controller is a hybrid device that combines a microcontroller's deterministic peripherals and interrupt-driven control loop with a DSP engine's single-cycle MAC (multiply-accumulate) and barrel shifter. The dsPIC30F family in particular targets motor control, power conversion, and sensor conditioning; it sits in the taxonomy: DSC -> MCU -> embedded processor -> semiconductor. By integrating DSP-class instructions with PWM, ADC, and quadrature encoder interfaces, a DSC replaces a traditional MCU-plus-discrete-DSP two-chip architecture in closed-loop systems.
Key features include a 16-bit modified Harvard architecture with single-cycle 17x17-bit MAC, an integrated 10/12-bit ADC with multiple S&H channels, motor-control PWM with complementary outputs and dead-time control, a quadrature encoder interface, and an ECAN module. Communication peripherals comprise UART/USART, SPI, and I2C. The wide operating voltage (2.5-5.5 V) and rich analog make this DSC well suited to bridgeless PFC, BLDC, PMSM, and switched-mode power-supply digital control loops.
Typical applications include sensorless and sensored BLDC/PMSM motor drives, field-oriented control (FOC) for industrial drives, digital PFC and full-bridge converters, automotive auxiliary pumps and fans, and consumer appliance variable-frequency drives. The 24 KB Flash and 1 KB SRAM are sized for typical 3-phase FOC software stacks without external memory expansion.
直接替换替代料： DSPIC30F3011T-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： DSPIC30F3011T-20I/ML （相同外形与封装尺寸） ——差异在于 ADC, Package, Operating Temperature, Core Architecture, Mounting Type.
快速对比工具——选择替代料号进行并排对比：
DSPIC30F3011-20E/ML
✅ 直接替换✓ 有现货
$4.13 / 个
查看数据手册 →DSPIC30F3011-20I/PT
✅ 直接替换✓ 有现货
$3.85 / 个
查看数据手册 →DSPIC30F3011T-20E/ML
✅ 直接替换✓ 有现货
$4.61 / 个
查看数据手册 →DSPIC30F3010T-30I/ML
✅ 直接替换✓ 有现货
$3.99 / 个
查看数据手册 →DSPIC30F3010-30I/ML
✅ 直接替换✓ 有现货
$4.45 / 个
查看数据手册 →DSPIC30F3013T-20I/ML
✅ 直接替换✓ 有现货
$5.1 / 个
查看数据手册 →DSPIC30F3011T-20I/ML 最大额定值与电气特性
| Core | dsPIC30F, 16-bit DSC |
| Maximum CPU Speed | 20 MIPS |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 1 KB (1K x 8) |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| 工作温度 | -40 C to +85 C (Industrial) |
| 封装 | 44-QFN (8x8 mm), Tape & Reel |
| ADC | 10/12-bit, multi-channel |
| PWM Channels | 6 channels with complementary outputs and dead-time control |
| Quadrature Encoder Interface | Yes (QEI) |
| Communication Interfaces | UART/USART, SPI, I2C, ECAN |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant (Pb-free) |
DSPIC30F3011T-20I/ML 44-qfn (8x8 mm), tape & reel 引脚配置指南
DSPIC30F3011T-20I/ML（44-qfn (8x8 mm), tape & reel 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC30F3011T-20I/ML.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC30F3011T-20I/ML 适用于 6 应用s: Sensorless BLDC Motor Control, PMSM Field-Oriented Control (FOC), Digital PFC and Power Conversion, Industrial Variable-Frequency Drives, Automotive Auxiliary Pumps and Fans, Consumer Appliance Variable-Frequency Drives.
Sensorless BLDC Motor Control
The DSPIC30F3011T-20I/ML's motor-control PWM with complementary outputs and dead-time control plus its 10/12-bit ADC makes it ideal for sensorless BLDC motor drives using back-EMF zero-crossing detection. Its 20 MIPS and 17x17-bit single-cycle MAC can execute sensorless FOC algorithms with sample rates of 20-50 kHz, while the 24 KB Flash accommodates typical sensorless trapezoidal and sinusoidal commutation routines including startup ramps. The integrated QEI accepts Hall-sensor or encoder feedback for sensored backup.
推荐
PMSM Field-Oriented Control (FOC)
The DSPIC30F3011T-20I/ML delivers the DSP-class single-cycle MAC throughput required for field-oriented control of permanent magnet synchronous motors. With 20 MIPS, it runs a full FOC loop including Park/Clarke transforms, PI current controllers, and SVM modulation at 10-20 kHz loop rates. Its 1 KB SRAM holds the Park/Clarke working state, while 24 KB Flash stores the entire FOC firmware stack. The 2.5-5.5 V supply supports direct connection to industrial 3.3 V and 5 V rails.
推荐
Digital PFC and Power Conversion
The DSPIC30F3011T-20I/ML is suitable for digital power-factor correction and switched-mode power supplies up to several hundred watts. Its high-speed ADC samples input voltage and inductor current, while the motor-control PWM generates the boost-converter switch drive with adjustable dead-time. The DSC's interrupt latency under 100 ns ensures deterministic loop execution at 50-100 kHz switching frequencies, critical for CCM PFC control. SPI interfaces connect to isolated gate drivers for high-voltage stages.
推荐
Industrial Variable-Frequency Drives
The DSPIC30F3011T-20I/ML's wide operating voltage (2.5-5.5 V) and industrial temperature range (-40 C to +85 C) suit it for industrial VFD control boards driving 3-phase induction or PMSM motors. It integrates the necessary PWM, ADC, QEI, and communication peripherals to handle a complete low-voltage VFD up to ~1 kW. Its ECAN interface enables integration into CANopen or DeviceNet industrial fieldbus systems, while UART/SPI/I2C support simpler RS-485 or Modbus connections.
推荐
Automotive Auxiliary Pumps and Fans
Although not AEC-Q100 qualified in this specific variant, the DSPIC30F3011T-20I/ML serves in 12 V automotive body-electronics subsystems such as coolant pumps, HVAC blowers, and radiator fans where industrial temperature grade suffices. The -I grade operates up to +85 C ambient, while the -E grade (-40 C to +125 C) handles under-hood environments. Its 20 MIPS and integrated motor-control peripherals drive BLDC pumps and fans directly, and SPI connects to external LIN or CAN slaves for body-network integration.
推荐
Consumer Appliance Variable-Frequency Drives
The DSPIC30F3011T-20I/ML powers inverter boards in white goods such as washing-machine direct-drive drum motors, refrigerator compressors, and air-conditioner outdoor-unit fans. Its cost-optimized 16-bit DSC core replaces a traditional MCU plus external DSP, reducing BOM cost. The on-chip 10/12-bit ADC samples motor phase currents, while the PWM block generates the inverter switching signals with programmable dead-time. The 24 KB Flash accommodates full V/Hz and sensorless vector control firmware.
推荐
推荐产品汇总
工程参考数据： DSPIC30F3011T-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 | DSPIC30F3011-20E/ML | DSPIC30F3011-20I/PT | DSPIC30F3010T-30I/ML | DSPIC30F3013T-20I/ML |
|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | dsPIC30F, 16-bit DSC | dsPIC30F, 16-bit DSC | dsPIC30F, 16-bit DSC | dsPIC30F, 16-bit DSC | dsPIC30F, 16-bit DSC |
| Maximum MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS | 20 MIPS |
| Program Flash | 24 KB | 24 KB | 24 KB | 28 KB | 24 KB |
| Data RAM | 1 KB | 1 KB | 1 KB | 2 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
关键差异点
- Wider temperature range in -E variant for harsh environments （对比 DSPIC30F3011-20E/ML)
- Higher MIPS and more RAM in same 44-QFN footprint （对比 DSPIC30F3010T-30I/ML)
- More peripheral channels with same footprint for richer motor-control designs （对比 DSPIC30F3013T-20I/ML)
设计说明
The 44-QFN (8x8 mm) package has an exposed thermal pad that must be soldered to a copper pour of at least 1 square inch for adequate heat dissipation, even though this device typically dissipates less than 0.5 W. Place 100 nF decoupling capacitors as close as possible to every VDD/VSS pair, with an additional 10 uF bulk capacitor near the package. Use a four-layer PCB with continuous ground plane to minimize EMI from the high-speed PWM switching signals.
Do not assume the DSPIC30F3011T-20I/ML and DSPIC30F3013T-20I/ML are drop-in compatible at the firmware level - the 3013 has additional peripheral channels and different interrupt vector assignments. Verify all pinout details against the dsPIC30F3010/3011 datasheet (DS70141F) before board-level substitution. Also note that the -I (industrial) grade operates only to +85 C; for under-hood or higher-temperature environments, switch to the -E (extended) variant.
Route the PWM outputs (PWM1H/L through PWM3H/L) as differential pairs with matched lengths to the gate-driver inputs, keeping traces short and away from sensitive analog ADC inputs. Add a 100 ohm series resistor near the DSC pin on each PWM line to dampen transmission-line ringing when driving capacitive gate loads. For motor phase-current sensing, use the dsPIC30F's dedicated sample-and-hold ADC channels triggered by the PWM module for sub-microsecond synchronized sampling critical for FOC.
合规信息
Pb-free per Microchip product markings. RoHS compliant. Not AEC-Q100 qualified - choose automotive-grade dsPIC33F variants for AEC-Q100 applications.
