DSPIC33EV128GM004T-I/PT - 16-Bit 70 MIPS 128KB DSC | Microchip
MPN： DSPIC33EV128GM004T-I/PT ✓ 啟用中DSPIC33EV128GM004T-I/PT 概覽
A digital signal controller combines the computational strengths of a microcontroller (MCU) with the DSP-engine capabilities of a digital signal processor. In the product hierarchy, the dsPIC33EV family sits within Microchip's 16-bit DSC portfolio, above basic PIC MCUs and below 32-bit MCUs, making it a power-management-friendly single-chip solution for mixed control-plus-signal-processing workloads such as motor control and power conversion.
Key features include a 5V-tolerant operating supply that simplifies designs in harsh electrical environments, 128KB of ECC-protected Flash for functional-safety (FuSa) oriented designs, an on-chip DSP engine with multiply-accumulate and barrel shifter, and integrated analog with 3 operational amplifiers and the CTMU charge-time-measurement unit. Peripherals target embedded control directly: 6 motor-control PWM channels, SENT peripheral, and multiple serial interfaces.
Technical depth: the 70 MIPS core is fed from zero-wait-state ECC Flash, and 4 DMA channels offload data movement between peripherals and RAM without CPU intervention, keeping interrupt latency predictable. According to the AiPCBA datasheet summary, the part integrates 60 MHz-class clocking with 6 MC PWM and 3 op amps, letting a single chip close current loops and drive power stages that previously needed external analog circuitry.
Typical applications include Brushless DC and PMSM motor drives in appliances, automotive body and powertrain subsystems (SENT, LIN-capable), and industrial power supplies, inverters, and battery chargers where 5V noise immunity matters.
Design consideration: the 44-TQFP 10x10 mm package needs a solid ground plane and 0.1 uF decoupling on each supply pin pair; at full 70 MIPS, configure the oscillator (FRC with PLL or external crystal) carefully, since maximum peripheral performance depends on the configured clock tree.
This page synthesizes verified distributor data, drop-in family alternatives, pricing tiers, and practical design notes not found together in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EV128GM004T-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： DSPIC33EV128GM004T-I/PT （相同外形與佔位） — 差異在於 Core Architecture, Package, Operating Temperature, Packaging, Supply Voltage Range.
DSPIC33EV128GM004T-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EV256GM004T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV64GM004T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP128GM304T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64GM304T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EV128GM004T-I/PT 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33EV DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory Size | 128 KB (43K x 24) Flash with ECC |
| RAM Size | 8 KB |
| 供應電壓 | 5 V |
| Number of Timers | 7 |
| DMA Channels | 4 |
| Motor Control PWM Channels | 6 |
| On-chip Op Amps | 3 |
| CTMU (Charge Time Measurement Unit) | Yes |
| SENT Peripheral | Yes |
| 工作溫度範圍 | -40C to +85C (I grade) |
| 封裝 | 44-TQFP (10x10 mm) |
| 安裝類型 | Surface Mount |
| Functional Safety (FuSa) Support | Yes |
| ECC Flash Protection | Yes |
DSPIC33EV128GM004T-I/PT 44-tqfp (10x10 mm) 腳位配置指南
DSPIC33EV128GM004T-I/PT（44-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： DSPIC33EV128GM004T-I/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EV128GM004T-I/PT 適用於 6 應用s: BLDC/PMSM Motor Control, Automotive Body and Sensor Subsystems, Industrial Power Supplies and Inverters, Home Appliance Control, Capacitive Sensing and Touch Interfaces, Industrial Sensing and Data Acquisition Nodes.
BLDC/PMSM Motor Control
The DSPIC33EV128GM004T-I/PT fits motor control because its 70 MIPS 16-bit DSP core executes field-oriented control (FOC) loops fast enough for 10-20 kHz PWM frequencies, and its 6 motor-control PWM channels directly drive three-phase inverters with complementary outputs and dead-time insertion. The 3 integrated op amps condition shunt-resistor current feedback on-chip, removing external amplifier ICs and cutting BOM cost in appliance drives such as washing machines, fans, and compressors. In a typical topology, the DSC closes the current loop every PWM cycle and the speed loop at 1 kHz, using the 4 DMA channels to move ADC results to RAM without CPU overhead. The 5V supply improves noise immunity against inverter switching transients compared to 3.3V controllers.
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Automotive Body and Sensor Subsystems
The DSPIC33EV128GM004T-I/PT suits automotive subsystems because it combines a SENT peripheral (SAE J2716 sensor interface used widely in automotive position/pressure sensors) with ECC-protected Flash and functional-safety (FuSa) support, all on a 5V core tolerant of automotive load-dump environments. Microchip explicitly positions the dsPIC33EV family for automotive applications. Typical use cases include throttle-position modules, HVAC actuators, and pump controllers, where the DSC reads SENT sensors, drives motors via the 6-channel MC PWM, and communicates over LIN/UART. For zones exceeding +85C ambient, the pin-compatible DSPIC33EV128GM004T-E/PT variant extends rating to +125C without PCB redesign, since both share the same 44-TQFP 10x10 mm footprint.
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Industrial Power Supplies and Inverters
For industrial power conversion, the DSPIC33EV128GM004T-I/PT provides the 70 MIPS throughput and DSP multiply-accumulate engine needed to run digital control loops for LLC converters, solar micro-inverters, and battery chargers. The 6 MC PWM channels support phase-shifted and complementary topologies with hardware dead time, while the CTMU enables precise time-interval measurement for resonant-tank protection. Operating at 5V, the controller withstands noisy 24V industrial backplanes better than 3.3V parts, and the 128KB ECC Flash retains firmware integrity under EMI stress - a requirement for continuously energized industrial equipment. The 4 DMA channels stream ADC samples from current and voltage sense points into RAM, keeping loop-jitter low and control bandwidth predictable across load transients.
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Home Appliance Control
Microchip targets the dsPIC33EV family directly at appliances operating in harsh electrical environments, and the DSPIC33EV128GM004T-I/PT embodies this: its 5V core, 128KB ECC Flash, and wide peripheral mix cover a complete dishwasher, air-conditioner, or refrigerator mainboard in one chip. The 3 op amps amplify motor phase-current shunt signals, the 6-channel MC PWM drives compressor and fan BLDC motors, and remaining UART/SPI/I2C ports connect to user interfaces, humidity and temperature sensors, and EEPROM. The 44-TQFP 10x10 mm package offers 35 I/O for relays, valves, and display drivers. ECC Flash and FuSa support help appliance makers meet emerging household safety standards for electronically controlled safety functions without adding a supervisory MCU.
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Capacitive Sensing and Touch Interfaces
The DSPIC33EV128GM004T-I/PT includes a CTMU (Charge Time Measurement Unit), which measures tiny charge intervals to implement capacitive touch buttons, slide controls, and proximity detection directly on general-purpose I/O - no dedicated touch controller required. This suits appliance panels, industrial HMI faceplates, and automotive interior controls. The CTMU also supports ultra-low-current measurement and time-of-flight measurement for sensor diagnostics. Because scanning runs on the 70 MIPS core with DMA-assisted ADC reads, touch scanning can coexist with a 16 kHz motor-control loop on the same chip, a common requirement for fan and pump products with touch user interfaces. The on-chip 3 op amps further condition analog sensor outputs such as thermistors, consolidating analog front-end functions in one 44-TQFP package.
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Industrial Sensing and Data Acquisition Nodes
As an industrial sensing node controller, the DSPIC33EV128GM004T-I/PT couples its DSP engine and 128KB ECC Flash with multiple serial interfaces (UART, SPI, I2C) to acquire, filter, and forward sensor data on factory equipment. The DSP MAC instructions execute FIR/IIR filtering of vibration or current signatures for predictive-maintenance edge processing, while ECC Flash guarantees code integrity in high-EMI cabinet environments. The 3 op amps amplify low-level signals from strain gauges and current shunts before the ADC samples them; 4 DMA channels move results to the 8KB RAM efficiently. At 5V, signal levels are inherently more noise-robust across long cabinet wiring than 3.3V systems. Nodes communicate upstream over RS-485 or CAN-adapted UART links.
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推薦產品摘要
工程參考資料，適用於 DSPIC33EV128GM004T-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 | DSPIC33EV128GM004T-E/PT | DSPIC33EV256GM004T-I/PT | DSPIC33EV64GM004T-I/PT | DSPIC33EP128GM304T-I/PT | DSPIC33EP64GM304T-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB ECC Flash (43K x 24) | 128 KB ECC Flash | 256 KB ECC Flash | 64 KB ECC Flash | 128 KB (no ECC) | 64 KB (no ECC) |
| Core Performance | 16-bit, 70 MIPS, 5V | 16-bit, 70 MIPS, 5V | 16-bit, 70 MIPS, 5V | 16-bit, 70 MIPS, 5V | 16-bit, 33EP generation, 5V | 16-bit, 33EP generation, 5V |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Functional Safety / ECC Flash | Yes (FuSa + ECC) | Yes (FuSa + ECC) | Yes (FuSa + ECC) | Yes (FuSa + ECC) | No | No |
主要差異化特點
- ECC Flash plus functional-safety (FuSa) support (對比DSPIC33EP128GM304T-I/PT)
- Extended-temperature drop-in variant available (對比DSPIC33EV128GM004T-E/PT)
- Larger code headroom within same footprint (對比DSPIC33EV64GM004T-I/PT)
- Trade-off: newer generation costs more than 33EP (對比DSPIC33EP64GM304T-I/PT)
設計說明
For the 44-TQFP (10x10 mm) package, place a 0.1 uF ceramic decoupling capacitor at every VDD/VSS pin pair, within 3 mm of the pins, plus a 4.7-10 uF bulk capacitor near the supply entry. Provide an unbroken ground plane on layer 2 beneath the DSC; do not route motor-control PWM or SENT signals across plane splits. The exposed leads of the TQFP do not include a thermal pad, so heat exits through the leads - allow generous copper on all four sides of the footprint for hand inspection and rework.
Do not confuse the /PT (44-TQFP 10x10) and /P8 (48-TQFP 7x7) package suffixes when ordering - they are not footprint-compatible and the /P8 also maps peripherals to different pin positions. Also verify the temperature suffix: the -I grade stops at +85C; for under-hood or sealed-enclosure heat above that, order the -E/PT (-40C to +125C) variant instead. During layout, reserve the MCLR/PGD/PGC programming pads as a 5-pin ICSP header; retrofitting programming access after production is costly.
The 5V rail feeding the DSPIC33EV128GM004T-I/PT also biases the integrated op amps and ADC reference domain; noise on this rail appears directly in current-sense measurements. Estimated: at 70 MIPS the core current is in the tens of milliamps class (per datasheet electrical characteristics), so a small LDO such as the MCP16301 stepping down a 24V industrial bus is sufficient, but add RC filtering or a ferrite bead between the digital 5V rail and any precision analog reference feed to keep ADC effective resolution at spec.
Motor-control PWM outputs switching several amps into a three-phase inverter inject dv/dt noise into neighboring traces. Route the 6 MC PWM outputs away from the CTMU/touch lines and analog sensor inputs; use series 33-100 ohm resistors on long PWM runs to slow edge rates where EMI margins are tight. Keep the SENT input line short and twisted/ground-guarded in automotive harnesses, and enable the peripheral's built-in nibble filtering rather than relying on software-only debounce.
合規資訊
RoHS/REACH/lead-free declarations were not present in the verified web data; obtain the official Microchip material declaration from the product page or distributor compliance portal. Automotive suitability is a family positioning statement; AEC-Q100 qualification status of this exact ordering code should be confirmed with Microchip.