DSPIC33EV128GM104T-I/PT - 5V 70 MIPS 128KB DSC | Microchip
MPN： DSPIC33EV128GM104T-I/PT ✓ 啟用中DSPIC33EV128GM104T-I/PT 概覽
A digital signal controller combines the compute throughput of a DSP core with the peripheral integration and deterministic interrupt behavior of a microcontroller, sitting within the wider power management and embedded control hierarchy of semiconductor devices. DSCs are the standard choice where closed-loop control loops (motor FOC, digital power, battery management) must execute fast, mathematically intensive algorithms with predictable timing.
Key features of the dsPIC33EV128GM104 include a 5V-tolerant robust core designed for harsh electrical environments, an on-chip CAN 2.0B module for automotive and industrial networking, six motor-control PWM channels, three integrated op-amps that reduce external analog component count, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight measurements, and a SENT peripheral for automotive sensor interfaces. ECC Flash protects program memory against single-bit faults, supporting functional safety (FuSa) development.
Architecturally, the device uses a modified Harvard 16-bit pipeline with DSP multiply-accumulate instructions, dual operand fetch, and hardware division, allowing filtering and transform algorithms to run at the full 70 MIPS rate. The rich analog front end (op-amps plus 12-bit ADC) enables direct connection of current shunts and sensor signals.
Typical applications include brushless DC and PMSM motor control for appliances and power tools, automotive body and powertrain auxiliary modules using CAN and SENT, industrial sensors, and switch-mode power supplies requiring digital control.
Design-wise, exploit the 5V core to simplify interfacing with legacy 5V sensors and reduce BOM cost by removing level shifters; budget careful decoupling (0.1uF per VDD pin plus bulk capacitance) and plan the oscillator source early, since the PLL multipliers determine whether the full 70 MIPS ceiling is reachable.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing selection and comparison value beyond the standard product listing.
直接替換替代品，適用於 DSPIC33EV128GM104T-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： DSPIC33EV128GM104T-I/PT （相同外形與佔位） — 差異在於 Package, Core Architecture, Program Memory, Operating Temperature, Maximum CPU Speed.
DSPIC33EV128GM104-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EV256GM104T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EV32GM104T-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
✅ 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 →DSPIC33EV128GM104T-I/PT 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC DSC (modified Harvard) |
| Max CPU Speed | 70 MIPS (60 MHz) |
| 供應電壓 | 5 V |
| Flash Memory | 128 KB (ECC Flash, 43K x 24) |
| SRAM | 8 KB |
| CAN Interface | Yes (CAN 2.0B) |
| Motor Control PWM | 6 channels |
| On-chip Op-Amps | 3 |
| CTMU | Yes |
| SENT Interface | Yes |
| 工作溫度 | -40C to +85C (I grade) |
| 封裝 | 44-pin TQFP (PT) |
| 安裝類型 | Surface Mount |
| Functional Safety Support | Yes (FuSa, ECC Flash) |
| Target Applications | Appliances, industrial, automotive |
| Packaging | Tape and Reel (T suffix) |
DSPIC33EV128GM104T-I/PT 44-pin tqfp (pt) 腳位配置指南
DSPIC33EV128GM104T-I/PT（44-pin tqfp (pt) 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： DSPIC33EV128GM104T-I/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EV128GM104T-I/PT 適用於 6 應用s: Brushless Motor Control, Automotive Body and Auxiliary Modules, Digital Power Supplies, Home Appliance Control, Industrial Sensors and Instrumentation, Power Tools and E-mobility.
Brushless Motor Control
The DSPIC33EV128GM104T-I/PT fits three-phase BLDC and PMSM drives because its six motor-control PWM channels provide complementary outputs with hardware dead-time, while the 70 MIPS DSP core executes field-oriented control loops with multiply-accumulate instructions at high update rates. The three on-chip op-amps amplify current-shunt signals directly, cutting external component count, and ECC Flash protects the control firmware against single-bit faults in electrically noisy motor environments. In a typical topology, the ADC samples phase currents synchronized to the PWM carrier, the DSC runs FOC math each cycle, and gate drivers are driven directly at 5V logic levels, reducing BOM cost versus 3.3V controllers that need level shifting.
推薦
Automotive Body and Auxiliary Modules
Automotive auxiliary nodes benefit from this DSC's CAN 2.0B controller for in-vehicle networking and the SENT interface for reading smart sensors such as throttle position and pressure transmitters. Per Microchip, the 5V dsPIC33EV family is explicitly targeted at automotive and harsh-environment operation, and the -40C to +85C industrial grade covers most under-hood auxiliary zones. The CTMU adds capacitive-touch HMI inputs for panels and switches, while ECC Flash supports functional-safety documentation workflows. In a typical module, the DSC reads SENT sensors, drives relays or LEDs through PWM, and communicates status over CAN, all at 5V without external level translators.
推薦
Digital Power Supplies
Switch-mode AC/DC and DC/DC converters use this DSC's high-speed PWM and DSP math to implement peak-current-mode or digital loop control with programmable compensation. Running at 70 MIPS from a 5V rail, the core closes voltage loops at switching frequencies common in telecom and appliance power stages, and the op-amps condition feedback shunt signals. The 5V-tolerant I/O interfaces directly with gate drivers and supervisory circuits, a real advantage over 3.3V DSPs. Firmware-based control also enables adaptive features such as burst mode, hiccup fault handling, and PMBus-style telemetry, which analog controllers cannot offer without extra silicon.
推薦
Home Appliance Control
Washing machines, dishwashers, and air conditioners combine motor drives, user interfaces, and sensors - precisely the profile Microchip cites for the dsPIC33EV family in appliances. The 5V robust core tolerates the noisy, surge-prone electrical environment inside major appliances, the three op-amps and ADC handle motor current and temperature feedback, and the CTMU implements capacitive touch buttons on glass or plastic panels without dedicated touch chips. One 128KB ECC-Flash device can run the motor FOC loop, the touch HMI scanner, and communication simultaneously, consolidating functions that traditionally required separate motor-control and touch ICs and lowering total system cost.
推薦
Industrial Sensors and Instrumentation
Industrial transmitters and portable instruments exploit this DSC's 12-bit ADC with three op-amps for direct sensor signal conditioning, its DSP instructions for digital filtering and RMS computation, and CAN or UART links for fieldbus connectivity. The 70 MIPS throughput supports simultaneous multi-channel sampling with on-the-fly calibration math, and the 5V core directly drives industrial signaling thresholds. ECC Flash maintains data integrity across years of continuous operation in electrically noisy plants, and the -40C to +85C rating suits outdoor and panel-mounted enclosures. Single-chip designs replace separate amplifier, ADC, MCU, and transceiver-glue chains, shrinking sensor PCB area and qualification effort.
推薦
Power Tools and E-mobility
Cordless power tools and light e-mobility devices demand compact, high-current motor drives with robust 5V logic and protective firmware. The DSPIC33EV128GM104T-I/PT drives the three-phase inverter using its six MC PWM channels, senses battery current through on-chip op-amps, and manages protection (over-current, stall, thermal) in software with fast DSP loops. ECC Flash and the harsh-environment 5V design suit the vibration, EMI, and voltage-sag conditions of battery-powered equipment. Firmware flexibility also enables multi-tool platform reuse: one controller design scales across drill, grinder, and saw SKUs by changing only the motor parameter tables in flash.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EV128GM104T-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 | DSPIC33EV128GM104-I/PT | DSPIC33EV256GM104T-I/PT | DSPIC33EV32GM104T-I/PT | DSPIC33EP128GM304T-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (PT) | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Voltage | 5 V | 5 V | 5 V | 5 V | 3.3 V |
| Max Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 128 KB ECC | 128 KB ECC | 256 KB ECC | 32 KB ECC | 128 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes |
| SENT / CTMU | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | No / No |
主要差異化特點
- 5V-tolerant robust core (對比DSPIC33EP128GM304T-I/PT)
- Automotive interface suite (SENT + CTMU) (對比DSPIC33EP128GM304T-I/PT)
- ECC Flash for functional safety (對比DSPIC33EV32GM104T-I/PT)
設計說明
The dsPIC33EV runs from a 5V supply, so provide one 0.1uF ceramic decoupling capacitor at every VDD/VSS pin pair placed within 2 mm of the pins, plus a 10uF bulk capacitor near the device. Because the 70 MIPS core draws transient current during DSP loops, a tight power plane or thick trace network keeps VDD ripple within datasheet limits. If the 5V rail comes from a buck converter, add an RC or ferrite filter before the DSC supply pins.
Route the ICSP/ICD programming pins (PGD/PGC) to a standard 5-pin header even in production boards - in-circuit reprogramming avoids field-return rework. Keep the CAN transceiver as close to the CAN TX/RX pins as possible and use a split ground between the transceiver and the DSC analog domain. On-chip op-amp inputs are especially sensitive: guard them with ground pour and keep current-shunt traces Kelvin-routed to the amplifier input pins.
The T suffix means Tape-and-Reel - confirm your assembly house can accept the reel format and check the standard reel quantity before ordering prototypes; order the non-T tray version for hand placement. Also confirm the peripheral set of sibling parts before substituting: the GM004 variant has a reduced peripheral configuration versus the GM104 despite the same footprint, and dsPIC33EP parts are 3.3V devices that will be over-voltage damaged on a 5V rail.
合規資訊
Compliance status not stated in provided web data; verify on the Microchip product page DSPIC33EV128GM104 before design release.
