DSPIC33EV256GM006-I/PT - 5V 70MIPS 256KB DSC | Microchip
MPN： DSPIC33EV256GM006-I/PT ✓ 啟用中DSPIC33EV256GM006-I/PT 概覽
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits above general-purpose MCUs in signal-processing capability, making it the natural choice for motor control, digital power conversion, and sensing applications that require fast interrupt handling and hardware math acceleration.
Key features include single-supply operation from 4.5V to 5.5V, which allows direct connection to industrial 5V rails without level shifting, ECC Flash for functional-safety-oriented designs, and 53 general-purpose I/O pins with Peripheral Pin Select (PPS) for flexible pin mapping. The family data sheet also highlights integrated PWM, SENT, and on-chip op amps, plus I2C, SPI, IrDA, UART, and USART interfaces for connectivity.
Architecturally, the dsPIC33EV core pairs a 16-bit modified Harvard pipeline with DSP multiply-accumulate instructions, enabling deterministic execution of control loops such as field-oriented motor control at tens of kilohertz. Hardware DSP and addressing modes offload filtering and transformation tasks that would otherwise consume CPU cycles on a standard MCU.
Typical applications span appliance motor control (washing machines, compressors), industrial drives and power supplies, and automotive body or aux subsystems, environments where 5V noise immunity and harsh-temperature operation are decisive selection criteria.
Design consideration: decouple all VDD/VSS pairs and plan the ICSP PGECx/PGEDx programming pin pairs early in layout, since any pair may be used but must remain paired.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EV256GM006-I/PT — 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： DSPIC33EV256GM006-I/PT （相同外形與佔位） — 差異在於 Package, Operating Temperature, Maximum CPU Speed, Core Architecture, Operating Voltage.
DSPIC33EV256GM006-E/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EV128GM006-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV64GM006-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV256GM006-I/PT 最大額定值與電氣特性
| Core | dsPIC33EV 16-bit DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory Size | 256KB (85.5K x 24) ECC Flash |
| RAM Size | 16KB (16K x 8) |
| Operating Voltage Range | 4.5 V to 5.5 V |
| Number of I/Os | 53 |
| 封裝 | 64-TQFP (10x10 mm) |
| 工作溫度範圍 | -40C to +85C |
| Interfaces | I2C, SPI, IrDA, UART, USART |
| Peripherals | PWM, SENT, on-chip op amps |
| Program Memory Type | Flash with ECC |
| 安裝類型 | Surface Mount |
| Terminal Pitch | 0.8 mm (TQFP-64) |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Peripheral Pin Select | Yes (PPS remappable) |
| 資料匯流排寬度 | 16 bit |
DSPIC33EV256GM006-I/PT 64-tqfp (10x10 mm) 腳位配置指南
DSPIC33EV256GM006-I/PT（64-tqfp (10x10 mm) 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： DSPIC33EV256GM006-I/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EV256GM006-I/PT 適用於 6 應用s: Appliance Motor Control, Industrial Motor Drives and Power Conversion, Automotive Body and Auxiliary Modules, Industrial Sensing and Condition Monitoring, Digital Power Supplies and Battery Chargers, HVAC and Compressor Control Systems.
Appliance Motor Control
The DSPIC33EV256GM006-I/PT fits appliance motor control because its 70 MIPS 5V core executes field-oriented control loops deterministically while its direct 4.5V to 5.5V operation connects to Hall sensors, current-sense op amps, and gate drivers without level shifting. Microchip explicitly targets the dsPIC33EV family at harsh appliance environments, where washing-machine and compressor drives face voltage transients and temperature swings. The integrated PWM and on-chip op amps reduce external component count in inverter stages, and 256KB ECC Flash leaves headroom for sensorless algorithms plus communication stacks. The -40C to +85C industrial rating of the -I/PT version covers typical laundry and refrigeration ambient conditions.
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Industrial Motor Drives and Power Conversion
In industrial drives and digital power converters, the DSPIC33EV256GM006-I/PT provides the 70 MIPS throughput needed for high-frequency PWM control with dead-time management, while hardware DSP multiply-accumulate instructions run current-loop filtering with predictable latency. The 5V noise margin is a decisive advantage near switching power stages, where 3.3V logic is vulnerable to ground bounce and EMI from IGBT or MOSFET switching. Peripheral Pin Select allows UART, SPI, and PWM signals to be routed to optimal physical pins, simplifying layout around noisy gate-driver circuits. The 64-TQFP 10x10 mm footprint with 53 I/O supports encoder, resolver, and communication interfaces simultaneously on one controller.
推薦
Automotive Body and Auxiliary Modules
For automotive body electronics - wiper, blower, pump, and actuator control - the DSPIC33EV256GM006-I/PT combines 5V robustness with the SENT interface that modern automotive sensors use for safety-relevant signal transmission. The 256KB ECC Flash protects program memory against single-bit upsets, which matters in electrically noisy vehicle harness environments. Microchip positions the dsPIC33EV family directly at automotive applications, and the drop-in -E/PT variant extends the rating to +125C for underhood placement on the identical PCB. The 70 MIPS core handles LIN/UART protocol stacks alongside the motor or solenoid control loops typical of body modules, and PPS simplifies reuse of one PCB across vehicle variants.
推薦
Industrial Sensing and Condition Monitoring
The DSPIC33EV256GM006-I/PT suits industrial sensing nodes because its on-chip op amps can condition current-shunt or bridge signals without an external amplifier, and the 70 MIPS DSP engine runs FFT-based vibration or harmonic analysis inline. The 5V supply range of 4.5V to 5.5V matches industrial 24V systems stepped down by simple linear or buck regulators, and the -40C to +85C industrial rating covers unconditioned cabinets and rooftop equipment. SPI and I2C interfaces connect external precision ADCs or EEPROMs, while UART links the node to Modbus gateways. The 16KB RAM accommodates signal buffers for moderate sample-block processing without external memory.
推薦
Digital Power Supplies and Battery Chargers
In digital power supplies and battery chargers, the DSPIC33EV256GM006-I/PT closes voltage and current control loops at switching frequencies where a 70 MIPS core is required to keep loop bandwidth. Its PWM peripherals support complementary outputs with dead-time insertion for half-bridge and full-bridge topologies, and the 5V logic directly interfaces optocoupler feedback and gate-driver inputs common in isolated designs. The 256KB ECC Flash stores multiple charge profiles and firmware-update images, useful in multi-chemistry chargers. Microchip's dsPIC33EV Signal Board reference design demonstrates exactly this class of driver (inverter) board connection via a 120-pin connector and PIM interface, providing a validated starting topology.
推薦
HVAC and Compressor Control Systems
HVAC blowers, condenser fans, and variable-speed compressors benefit from the DSPIC33EV256GM006-I/PT's blend of sensorless motor control capability and robust 5V I/O tolerant of long wiring runs in outdoor units. The 70 MIPS core sustains the observer mathematics (back-EMF estimators, sliding-mode observers) used in sensorless FOC, while on-chip op amps read shunt-resistor phase currents directly, trimming BOM cost in cost-sensitive appliance platforms. The 64-TQFP's 53 I/O accommodate the NTC sensor inputs, relay drives, and UART links to room controllers typical of an HVAC main board. The industrial -40C to +85C rating fits rooftop and unheated mechanical rooms; specify the -E/PT variant for compressor-shell-adjacent mounting.
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推薦產品摘要
工程參考資料，適用於 DSPIC33EV256GM006-I/PT — 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 | DSPIC33EV256GM006-E/PT | DSPIC33EV128GM006-I/PT | DSPIC33EV64GM006-I/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 256KB ECC Flash | 256KB ECC Flash | 128KB ECC Flash | 64KB ECC Flash |
| RAM | 16KB | 16KB | 16KB | 16KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating 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 |
| Temperature Range | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| I/O Count | 53 | 53 | 53 | 53 |
| Cross-Brand Drop-in Available | N/A | N/A (same brand) | N/A (same brand) | N/A (same brand) |
主要差異化特點
- Native 5V operation eliminates level shifting (對比DSPIC33EV64GM006-I/PT)
- Extended-temperature upgrade without redesign (對比DSPIC33EV256GM006-E/PT)
- ECC Flash for reliability-critical firmware (對比DSPIC33EV128GM006-I/PT)
設計說明
Connect every VDD and VSS pair - per Microchip family documentation, all power pins must be tied, and each VDD/VSS pair should get a 100 nF ceramic decoupling capacitor placed within 2 mm of the pins with short return paths to the ground plane. For the 64-TQFP, use a solid ground plane under the device. Route the ICSP connector to one PGECx/PGEDx pair (e.g., PGEC2/PGED2); note that any pair can be used for programming but ICSPCLK and ICSPDAT must come from the same pair - mixing pairs is a common bring-up failure.
Exploit Peripheral Pin Select (PPS) during layout to keep fast digital edges (PWM, SPI) away from analog inputs feeding the on-chip op amps and ADC. Keep gate-driver traces short and reference them to power ground, not signal ground. Because the device runs at 5V with fast 70 MIPS edges, add small series resistors (22-33 ohm) on long external clock or communication lines to dampen ringing. Group analog sense routing on the opposite side of the TQFP from PWM outputs where pinout flexibility allows.
Supply tolerance is 4.5V to 5.5V - a nominal 5V rail with heavy motor-load transients can dip below the brown-out region; configure the internal brown-out reset and verify worst-case rail droop with an oscilloscope during compressor or inverter startup. Do not exceed the 70 MIPS ceiling implied by your crystal/PLL configuration when porting from slower family members. When substituting the 128KB or 64KB Flash variants, confirm final linked firmware size plus a reserve margin fits before committing the smaller part.
Estimated: at 70 MIPS with typical peripheral loading, core current draw of a 5V dsPIC33EV-class device is on the order of tens of milliamperes, giving roughly 0.2-0.3W dissipation. The 64-TQFP (10x10 mm) theta_JA of approximately 40-50 C/W (estimate - confirm exact value in the family data sheet) yields under 15C junction rise at full load, so no heatsinking is needed in normal ambient up to +85C. Ensure the -E variant is chosen if the local ambient can reach +125C.
合規資訊
Compliance data not explicitly stated in the provided verified web data; verify RoHS/REACH status on the Microchip product page for the exact ordering code before production use.
