DSPIC33EP64MC206T-I/MR - 70 MIPS 16-bit DSC 64KB Flash QFN-64 | Microchip
MPN： DSPIC33EP64MC206T-I/MR ✓ 啟用中DSPIC33EP64MC206T-I/MR 概覽
A digital signal controller combines the compute power of a microcontroller with the math acceleration of a DSP core. In the power-management hierarchy of embedded systems, a DSC such as the dsPIC33EP family sits above general-purpose MCUs (PIC16/PIC18) and is purpose-built for closed-loop, real-time control such as field-oriented motor control, digital power conversion, and sensor fusion. The dsPIC33E CPU uses a modified Harvard architecture with a 24-bit instruction word, DSP multiply-accumulate (MAC) instructions, and hardware division support.
Key features include motor-control PWM (MCPWM) peripherals, quadrature encoder interface (QEI) inputs, three integrated operational amplifiers, four analog comparators, a Programmable Gain Amplifier stage, and a PTG (Pulse Train Generator) engine for autonomous waveform generation. Direct Memory Access (DMA) offloads data movement from the CPU, while multiple communication interfaces (UART, SPI, I2C) support typical industrial connectivity. Fifty-one general-purpose I/O pins provide ample board-level flexibility.
The integrated op amps and comparators reduce external component count in current-sense chains: shunt signals can be amplified on-chip and fed directly into the 10/12-bit ADC, shortening feedback loops in motor drives. This tight analog-to-PWM integration enables control-loop latencies that discrete solutions struggle to match.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, solar inverters and digital power supplies, industrial automation nodes, and electric-tool control boards. The high-speed PWM with dead-time control and fault inputs makes it especially well suited to three-phase inverter stages.
Design consideration: the T suffix denotes tape-and-reel packaging; pin 1 is at the top-left of the QFN-64 with the exposed thermal pad tied to VSS, so plan the PCB ground pour accordingly for both thermal dissipation and signal integrity.
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直接替換替代品，適用於 DSPIC33EP64MC206T-I/MR — 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： DSPIC33EP64MC206T-I/MR （相同外形與佔位） — 差異在於 Package, Operating Temperature, Supply Voltage, Core, Timers.
DSPIC33EP64MC206-E/MR
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP64MC206-I/MR
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC206T-E/MR
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP128MC206-I/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP256MC206-I/MR
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC206T-I/MR 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33E DSC (modified Harvard) |
| Max CPU Speed | 70 MIPS (DigiKey) / 60 MHz (digchip listing) |
| Program Memory | 64 KB (22K x 24) Flash |
| SRAM | 8 KB |
| 供應電壓 | 3 V to 3.6 V |
| I/O Ports | 51 |
| 封裝 | 64-VQFN (9x9 mm, exposed pad, 0.90 mm height) |
| 工作溫度 | -40C to +85C (I grade) |
| Timers | General purpose timer set (datasheet lists 9 nine 16-bit class timers family-wide) |
| Motor Control PWM | Yes (MCPWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| Op Amps (on-chip) | 3 |
| Comparators | 4 |
| Pulse Train Generator | Yes (PTG) |
| Communication Interfaces | UART, SPI, I2C |
| DMA | Yes |
| 安裝類型 | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Lifecycle Stage | ACTIVE |
DSPIC33EP64MC206T-I/MR 64-vqfn (9x9 mm, exposed pad, 0.90 mm height) 腳位配置指南
DSPIC33EP64MC206T-I/MR（64-vqfn (9x9 mm, exposed pad, 0.90 mm height) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33EP64MC206T-I/MR.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC206T-I/MR 適用於 6 應用s: BLDC/PMSM Motor Control, Digital Power Conversion, Industrial Automation Nodes, Sensor Signal Conditioning, Power Tools and Appliances, Embedded Test and Instrumentation.
BLDC/PMSM Motor Control
The DSPIC33EP64MC206T-I/MR is engineered for precision three-phase motor control. Its motor-control PWM peripheral generates complementary outputs with hardware dead-time insertion, while the quadrature encoder interface reads position feedback without CPU overhead. The three on-chip op amps amplify shunt-resistor current signals directly into the ADC, and the four comparators implement cycle-by-cycle overcurrent limiting with sub-microsecond response - critical for protecting MOSFET bridges in PMSM field-oriented-control (FOC) drives rated from tens of watts to several kilowatts.
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Digital Power Conversion
In solar inverters, LLC converters, and telecom rectifiers, the DSPIC33EP64MC206T-I/MR's 70 MIPS core executes high-bandwidth voltage- and current-mode control loops that general-purpose MCUs cannot close fast enough. The PTG engine autonomously generates pulse trains, offloading the CPU, while DMA streams ADC results to RAM without interrupts. The high-resolution PWM supports phase-shifted full-bridge and interleaved topologies; its 3V-3.6V supply and 51 I/O pins simplify interfacing with gate drivers and supervisory circuitry on dense power boards.
推薦
Industrial Automation Nodes
Factory automation nodes benefit from the DSPIC33EP64MC206T-I/MR's combination of DSP math and rich connectivity. UART, SPI, and I2C interfaces link to sensors, displays, and field-bus transceivers, while the DSP MAC instructions execute filtering and FFT-based condition monitoring locally. The industrial -40C to +85C rating suits uncontrolled plant environments, and 51 GPIO pins drive relays, indicators, and limit switches directly. Tape-and-reel packaging supports automated assembly for panel-controller production runs.
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Sensor Signal Conditioning
The three integrated operational amplifiers and four comparators make this DSC a compact analog front end. Strain-gauge, thermocouple, and pressure-sensor signals can be amplified on-chip and digitized by the integrated ADC, eliminating external op-amp ICs and reducing board area and offset-error sources. The PTG engine triggers ADC sampling deterministically for coherent data acquisition. This suits multi-channel measurement modules where channel count, isolation of analog grounds, and low BOM cost all matter simultaneously.
推薦
Power Tools and Appliances
Cordless power tools and premium appliances use sensorless BLDC drives where cost and board size dominate. The DSPIC33EP64MC206T-I/MR integrates the current amplifiers, comparators, and high-speed PWM needed for sensorless trapezoidal or FOC control in one 9x9 mm QFN, cutting external component count. Hardware fault inputs shut down PWM outputs instantly on overcurrent events, protecting battery packs and MOSFETs. The 8KB SRAM accommodates observer-based (EMF estimation) algorithms used in sensorless startup.
推薦
Embedded Test and Instrumentation
Handheld instruments and data loggers exploit the DSC's DSP instructions for real-time spectral analysis and the deterministic PTG timing engine for precise stimulus generation. The 3.3V operation matches battery-backed analog rails, DMA enables continuous high-rate ADC capture to SRAM, and the 64-VQFN footprint fits compact probe bodies. With 51 I/O lines, the same board can host display, keyboard-matrix, and communication functions without an auxiliary controller, consolidating the bill of materials.
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推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC206T-I/MR — 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 | DSPIC33EP64MC206-E/MR | DSPIC33EP64MC206-I/MR | DSPIC33EP64MC206T-E/MR | DSPIC33EP128MC206-I/MR | DSPIC33EP256MC206-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB (22K x 24) | 64 KB | 64 KB | 64 KB | 128 KB | 256 KB |
| Core Speed | 70 MIPS | 60 MIPs (FindIC listing) | 70 MIPS | 60 MIPs (Microchip USA listing) | 70 MIPS | 70 MIPS |
| Temperature Range | -40C to +85C (I grade) | Extended (-40C to +125C, AEC-Q100) | -40C to +85C | Extended (AEC-Q100) | -40C to +85C | -40C to +85C |
| AEC-Q100 Automotive | No | Yes | No | Yes | No | No |
| Packaging Format | Tape & Reel (T suffix) | Tray/Tube (non-T) | Tray/Tube (non-T) | Tape & Reel | Tray/Tube (non-T) | Tray/Tube (non-T) |
主要差異化特點
- Integrated analog front end (3 op amps + 4 comparators) (對比DSPIC33EP64GP504T-E/TL)
- Automotive qualification available in same footprint (對比DSPIC33EP64MC206-E/MR)
- Flash headroom without redesign (對比DSPIC33EP256MC206-I/MR)
設計說明
The exposed pad of the 64-VQFN (9x9) MR package must be soldered to a grounded copper pour with an array of 4x4 or 5x5 thermal vias (0.3 mm drill, filled or tented). This connection serves double duty as the VSS return and as the thermal path. Per Microchip QFN layout guidance, the pad opening in the stencil should be segmented (about 60-70% coverage) to avoid solder voiding during reflow.
Supply the part from a clean 3.3V rail within 3V-3.6V. Decouple every VDD/VDDCORE pin with 0.1uF X7R ceramics placed within 2 mm of the pin, plus one 10uF bulk capacitor near the package. The dsPIC33EP core regulator requires the recommended VDDCORE capacitor specified in the manufacturer datasheet - omitting it causes brown-out resets during 70 MIPS flash execution. Estimate: a typical motor-control build drawing 60-80 mA core+I/O keeps dissipation under 0.3 W, well within QFN capability with a grounded pour.
When driving three-phase gates, route PWM outputs away from the op-amp/comparator analog inputs; the on-chip analog front end shares the die with fast digital edges, and crosstalk on the current-sense lines can trigger spurious fault trips. Use differential shunt routing to the op-amp inputs with a kelvin-connected ground, and enable the hardware fault input with an RC filter sized (Estimated: 100 ns-500 ns) to reject switching noise while retaining fast protection.
Do not confuse the -I and -E temperature grades when consolidating BOMs: the -E/MR parts are AEC-Q100 extended-temperature devices and cost more; using -I parts in engine-bay or motor-housing environments risks out-of-spec operation above +85C. Also note the T suffix is packaging (tape and reel) only - it never indicates different electrical specifications.
合規資訊
The -I/MR device is the industrial (non-automotive) grade; AEC-Q100 applies to the -E/MR variants. No explicit RoHS/REACH declarations appear in the provided data - verify via Microchip's environmental compliance portal. Lead-free standard Microchip finish assumed per current production policy; confirm certificate before export documentation.
