DSPIC33FJ64MC706AT-I/MR - 16-bit 40 MIPS DSC 64KB | Microchip
料号： DSPIC33FJ64MC706AT-I/MR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.21 | $62.10 |
| 100 | $5.52 | $552.00 |
| 500 | $4.97 | $2,485.00 |
| 1,000 | $4.45 | $4,450.00 |
DSPIC33FJ64MC706AT-I/MR 概述
A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP. In the embedded hierarchy, the dsPIC33F sits between general-purpose MCUs (such as the PIC18 family) and dedicated DSPs, making it a power management IC-class solution for real-time closed-loop systems that need both fast multiply-accumulate operations and rich peripherals.
Key features include 40 MIPS maximum core speed, 64KB self-programming Flash, 53 general-purpose I/O pins, and communication peripherals including ECAN, I2C, SPI, and UART as listed by distributor Newark. The device supports industrial temperature operation (-40C to +85C, denoted by the I suffix) and ships in tape-and-reel packaging (T/R) for automated assembly.
Architecturally, the dsPIC33F core pairs a 16-bit modified Harvard CPU with DSP engine instructions, enabling single-cycle MAC operations used in field-oriented motor control, digital power conversion, and filtering. The A-version family devices are Microchip's refreshed silicon of the dsPIC33FJ64MC706 line.
Typical applications include brushless DC motor control, single- and 3-phase induction motor drives, and switched reluctance motor systems, as stated by Microchip on the dsPIC33FJ64MC706A product page, plus digital power supplies and industrial sensing nodes.
Design consideration: the 64-VQFN exposed-pad package requires a well-designed ground via array under the thermal pad to achieve reliable solder joints and low-impedance grounding at 40 MIPS switching activity.
This page synthesizes distributor pricing, drop-in family alternatives, design notes, and application guidance not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC33FJ64MC706AT-I/MR ——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： DSPIC33FJ64MC706AT-I/MR （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, RoHS Status, Core Architecture, Maximum CPU Speed.
快速对比工具——选择替代料号进行并排对比：
DSPIC33FJ64MC706A-I/MR
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33FJ64MC806AT-I/MR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ32MC706AT-I/MR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33FJ128MC706AT-I/MR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.4 / 个
查看数据手册 →DSPIC33FJ64MC706AT-I/PT
✅ 直接替换✓ 有现货
$5.85 / 个
查看数据手册 →DSPIC33FJ64MC706AT-I/MR 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC33F RISC DSC |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Size | 64KB (64K x 8) Flash |
| 电源电压 | 3V to 3.6V |
| 封装 | 64-VQFN (9x9 mm) Exposed Pad |
| Number of I/Os | 53 |
| Communication Peripherals | ECAN, I2C, SPI, UART |
| 工作温度 | -40C to +85C (I grade) |
| 安装类型 | Surface Mount |
| Packaging | Tape and Reel (T/R) |
| Product Family | dsPIC33FJ64MC706A |
| Core Type | dsPIC 33F MCU/DSP hybrid |
| 引脚数量 | 64 |
| RoHS 状态 | ROHS3 Compliant |
| Target Applications | Motor control, digital power |
| Typical Supply Frequency | 40 MHz |
DSPIC33FJ64MC706AT-I/MR 64-vqfn (9x9 mm) exposed pad 引脚配置指南
DSPIC33FJ64MC706AT-I/MR（64-vqfn (9x9 mm) exposed pad 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： DSPIC33FJ64MC706AT-I/MR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33FJ64MC706AT-I/MR 适用于 6 应用s: Brushless DC Motor Control, Digital Power Supplies (SMPS/LLC), Industrial Automation and Sensing Nodes, Uninterruptible Power Supplies (UPS), Automotive and e-Mobility Auxiliary Systems, Embedded Audio and Signal Processing.
Brushless DC Motor Control
The DSPIC33FJ64MC706AT-I/MR fits BLDC motor control because its 40 MIPS core with DSP multiply-accumulate instructions executes field-oriented control current loops at the 10-20 kHz rates demanded by modern drives. According to Microchip, the dsPIC33FJ64MC706A family explicitly supports brushless DC, induction, and switched reluctance motor applications. In a typical three-phase inverter, the DSC generates complementary PWM with dead-time, samples phase currents via its ADC, and closes the control loop in software while ECAN or UART handles host communication. The 3.3V I/O interfaces directly with gate-driver logic, and 53 I/O pins leave headroom for encoders, protection inputs, and status LEDs on a single 64-VQFN device.
推荐
Digital Power Supplies (SMPS/LLC)
Digital power conversion benefits from the DSPIC33FJ64MC706AT-I/MR's 40 MIPS throughput, which supports sub-microsecond control-loop interrupts for voltage-mode or current-mode regulation of LLC, buck, and PFC stages. The DSC replaces analog compensation networks with firmware, enabling adaptive tuning, soft-start sequencing, and fault logging that analog controllers cannot offer. Its high-resolution PWM generation and fast ADC sampling close the loop around the switching period, while ECAN allows digital telemetry to a system controller. The 64-VQFN exposed-pad package provides low-impedance grounding that helps contain switching noise near the controller, improving signal integrity for the ADC front end in compact power-supply designs operating from a regulated 3.3V rail.
推荐
Industrial Automation and Sensing Nodes
In factory automation, the DSPIC33FJ64MC706AT-I/MR serves as an intelligent sensor or actuator node: its ECAN peripheral connects to industrial CAN buses, SPI and I2C interface to ADCs, EEPROMs, and displays, and UART links to legacy equipment. The industrial -40C to +85C temperature grade covers unconditioned cabinet environments. The 40 MIPS DSP engine runs local filtering and FFT analysis, offloading the host PLC, while 53 I/O pins drive relays, read limit switches, and handle quadrature encoder feedback. Its 3V to 3.6V operation integrates with standard industrial 3.3V logic rails, and the 64-VQFN (9x9) footprint keeps the controller compact on dense I/O or gate-driver boards where board area is constrained.
推荐
Uninterruptible Power Supplies (UPS)
UPS systems require simultaneous, phase-accurate control of an AC output inverter, a battery charger, and a transfer switch - a workload matched to the DSPIC33FJ64MC706AT-I/MR's 40 MIPS DSC core. The controller generates synchronized PWM for the inverter bridge, monitors battery voltage and current through the ADC, and executes anti-islanding and fault-ride-through firmware, all within a single device. DSP instructions handle RMS computation and harmonic analysis at line frequency, and ECAN or UART communicates status to building management systems. Because firmware defines the control law, the same 64-VQFN hardware supports 50 Hz and 60 Hz products and multiple power ratings, reducing the number of controller variants a UPS manufacturer must qualify and stock.
推荐
Automotive and e-Mobility Auxiliary Systems
While the DSPIC33FJ64MC706AT-I/MR itself is an industrial-grade part, the dsPIC33F MC architecture it belongs to is widely used in off-road, agricultural, and light e-mobility auxiliary systems such as pump controllers, cooling fan drives, and actuator modules that do not require AEC-Q100 qualification. The 40 MIPS core runs sensorless BLDC algorithms using back-EMF observers computed with DSP MAC instructions; ECAN provides the vehicle-network interface, and the -40C cold-start rating covers outdoor equipment. Its 3V to 3.6V rail matches standard gate-driver and transceiver logic levels. Designers needing certified automotive parts should evaluate Microchip's qualified variants, but for industrial vehicles this 64-VQFN DSC offers proven motor-control capability at consumer-industrial cost.
推荐
Embedded Audio and Signal Processing
The DSP engine of the DSPIC33FJ64MC706AT-I/MR - single-cycle MAC, modulo addressing, and bit-reversal - supports moderate-rate audio processing such as active noise cancellation, tone generation, acoustic alarms, and industrial sound-analysis front ends. At 40 MIPS, the DSC sustains filtering and detection algorithms for narrowband audio while UART, SPI, and I2C connect to audio codecs, DACs, and memory. The 64KB Flash holds fixed-point filter coefficients and firmware together, simplifying single-chip designs. In distributed systems, ECAN streams detection events to a supervisory controller. Although it cannot replace dedicated audio DSPs for high-fidelity paths, the 64-VQFN (9x9) device is a strong fit where control and low-rate DSP must coexist on one low-cost 3.3V controller.
推荐
推荐产品汇总
工程参考数据： DSPIC33FJ64MC706AT-I/MR ——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 | DSPIC33FJ64MC706A-I/MR | DSPIC33FJ64MC806AT-I/MR | DSPIC33FJ32MC706AT-I/MR | DSPIC33FJ64MC706AT-I/PT |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9) EP | 64-VQFN (9x9) EP - same | 64-VQFN (9x9) EP - same | 64-VQFN (9x9) EP - same | 64-TQFP - same silicon, different package |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 64KB | 64KB | 128KB | 32KB | 64KB |
| Supply Voltage | 3V to 3.6V | 3V to 3.6V | 3V to 3.6V | 3V to 3.6V | 3V to 3.6V |
| I/O Count | 53 | 53 | 53 | 53 | 53 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripherals | ECAN, I2C, SPI, UART | ECAN, I2C, SPI, UART | ECAN, I2C, SPI, UART | ECAN, I2C, SPI, UART | ECAN, I2C, SPI, UART |
| Packaging | Tape and Reel | Tray / cut tape | Tape and Reel | Tape and Reel | Tape and Reel |
关键差异点
- Tape-and-reel supply for automated assembly （对比 DSPIC33FJ64MC706A-I/MR)
- Right-sized 64KB Flash （对比 DSPIC33FJ64MC806AT-I/MR)
- Exposed-pad VQFN for low-inductance grounding （对比 DSPIC33FJ64MC706AT-I/PT)
设计说明
The 64-VQFN (9x9) exposed-pad package requires a solder land pattern for the center pad plus an array of 4-9 ground vias connecting it to the ground plane. Follow Microchip's QFN land-pattern application note: use an SMD or NSMD pad geometry per IPC-7351 guidance, and keep via diameters small (0.3 mm) so solder does not wick away during reflow. Skipping the exposed-pad connection causes floating ground returns and erratic ADC readings.
Supply the DSC from a clean 3.3V rail within the 3V to 3.6V window. Decouple each VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, and add one bulk 10 uF capacitor near the device. At 40 MIPS, current transients on instruction fetch cause supply droop that manifests as flash-read errors if decoupling is inadequate. Follow the power-up timing requirements in the dsPIC33F family reference manual before enabling the debugger.
Route analog inputs (ADC channels used for motor phase-current sensing) away from PWM output traces and the ECAN bus. Use a Kelvin-grounded shunt or dedicated current-sense amplifier near the shunt resistor. Keep the crystal/oscillator traces short and guarded with ground. Because the DSC runs closed-loop control, poor ADC grounding directly translates into torque ripple in motor applications.
The MR (VQFN) and PT (TQFP) versions share silicon but not a land pattern - do not assume footprint interchangeability when qualifying alternates. Also confirm the I-grade temperature range (-40C to +85C) matches your environment; extended-temp variants use different suffixes. Configure configuration fuses (oscillator source, watchdog, PWM pins) deliberately in code, as defaults may not match your hardware.
合规信息
Distributor data (ics-embedded) lists ROHS3 Compliant. No AEC-Q100 qualification is indicated for this industrial-grade part; consult Microchip for automotive-qualified dsPIC33F variants.
