DSPIC33EV128GM104-I/PT - 5V 70MIPS 128KB DSC | Microchip
MPN： DSPIC33EV128GM104-I/PT ✓ 啟用中DSPIC33EV128GM104-I/PT 概覽
A digital signal controller is a hybrid device that combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and control architecture of a microcontroller (MCU). Within the embedded control hierarchy, the dsPIC33EV family sits in the 16-bit DSC class, positioned for deterministic real-time control loops such as motor commutation and power conversion where both multiply-accumulate DSP throughput and robust I/O are required in a single chip. The 5V-tolerant core allows direct interfacing with 5V industrial sensors and automotive signals without external level shifting, giving it wider noise margins than 3.3V-only competitors.
Key features include the dsPIC33EV core operating at 70 MIPS, 128 KB ECC Flash for functional safety support, and the family integrates CAN, advanced PWM, SENT, and on-chip op amp peripherals as stated in the Microchip datasheet. The -40C to +85C industrial temperature rating (I suffix) suits harsh environments, while the ECC Flash detects and corrects single-bit memory errors, supporting functional safety (FuSa) designs. The integrated op amps reduce external component count in current-sense circuits, and the CAN module supports automotive and industrial network topologies directly.
The enhanced on-chip feature set targets applications with electrical noise and vibration: the ECC Flash detects and corrects single-bit memory errors, while the 5V core provides wider noise margins than 3.3V competitors. The integrated op amps reduce external component count in current-sense circuits, and the CAN module supports automotive and industrial network topologies directly. The dsPIC33EV core also supports Peripheral Pin Select (PPS), allowing flexible remapping of digital peripherals to physical I/O pins.
Typical applications include motor control (BLDC, PMSM, stepper) using the dedicated PWM modules, automotive sensors and control units, appliances operating on noisy mains power, and industrial automation nodes requiring CAN connectivity.
Design consideration: the device operates from a single 5V supply; multiple VDD/VSS pairs must all be decoupled with 0.1 uF ceramics, and all PGECx/PGEDx pairs must be kept paired for ICSP programming.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EV128GM104-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： DSPIC33EV128GM104-I/PT （相同外形與佔位） — 差異在於 Core Architecture, Operating Temperature, Package, Functional Safety, Maximum CPU Speed.
DSPIC33EV128GM104-E/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EV128GM104T-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EV128GM104T-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EV128GM104-E/PTVAO
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EV128GM104-I/PT 最大額定值與電氣特性
| Core Architecture | dsPIC33EV (16-bit DSC) |
| Maximum CPU Speed | 70 MIPS (40 MHz core clock) |
| Program Memory | 128 KB (43K x 24) ECC Flash |
| RAM | 8 KB |
| Operating Voltage | 4.5 V to 5.5 V (5V nominal) |
| 工作溫度 | -40C to +85C (industrial) |
| 封裝 | 44-pin TQFP (PT) 10x10 mm, 0.8 mm pitch |
| 安裝類型 | Surface Mount |
| DMA Channels | 4 |
| Timers | 7 (per datasheet family spec) |
| Communication | CAN, SENT, SPI, I2C, UART |
| PWM Modules | Advanced Motor Control PWM |
| On-Chip Op Amps | Yes (per family spec) |
| Functional Safety | ECC Flash, FuSa-capable family |
| RoHS 狀態 | Compliant |
DSPIC33EV128GM104-I/PT 腳位配置
| 腳位 1 | RP7/RB7 — Remappable I/O port B bit 7 |
| 腳位 2 | RP8/RB8 — Remappable I/O port B bit 8 |
| 腳位 3 | RP9/RB9 — Remappable I/O port B bit 9 |
| 腳位 4 | VSS — Ground |
| 腳位 5 | VDD — Digital supply voltage (5V) |
| 腳位 6 | RP10/RB10 — Remappable I/O port B bit 10 |
| 腳位 7 | RP11/RB11 — Remappable I/O port B bit 11 |
| 腳位 8 | RP12/RB12 — Remappable I/O port B bit 12 |
| 腳位 9 | RP13/RB13 — Remappable I/O port B bit 13 |
| 腳位 10 | RP14/RB14 — Remappable I/O port B bit 14 |
| 腳位 11 | RP15/RB15 — Remappable I/O port B bit 15 |
| 腳位 12 | AVSS — Analog ground |
| 腳位 13 | AVDD — Analog supply voltage (5V) |
| 腳位 14 | AN0/RA0 — Analog input 0 / port A bit 0 |
| 腳位 15 | AN1/RA1 — Analog input 1 / port A bit 1 |
| 腳位 16 | AN2/RA2 — Analog input 2 / port A bit 2 |
| 腳位 17 | AN3/RA3 — Analog input 3 / port A bit 3 |
| 腳位 18 | AN4/RA4 — Analog input 4 / port A bit 4 |
| 腳位 19 | VDD — Digital supply voltage (5V) |
| 腳位 20 | VSS — Ground |
| 腳位 21 | RA5 — Port A bit 5 |
| 腳位 22 | RA6 — Port A bit 6 |
| 腳位 23 | RA7 — Port A bit 7 |
| 腳位 24 | RA8 — Port A bit 8 |
| 腳位 25 | RA9 — Port A bit 9 |
| 腳位 26 | RA10 — Port A bit 10 |
| 腳位 27 | OSC1/CLKI/RA12 — Oscillator input / clock input |
| 腳位 28 | OSC2/CLKO/RA13 — Oscillator output / clock output |
| 腳位 29 | RA14 — Port A bit 14 |
| 腳位 30 | TDI/RA1 — JTAG TDI / port A |
| 腳位 31 | VSS — Ground |
| 腳位 32 | VDD — Digital supply voltage (5V) |
| 腳位 33 | RP0/RB0 — Remappable I/O port B bit 0 |
| 腳位 34 | RP1/RB1 — Remappable I/O port B bit 1 |
| 腳位 35 | RP2/RB2 — Remappable I/O port B bit 2 |
| 腳位 36 | RP3/RB3 — Remappable I/O port B bit 3 |
| 腳位 37 | RP4/RB4 — Remappable I/O port B bit 4 |
| 腳位 38 | RP5/RB5 — Remappable I/O port B bit 5 |
| 腳位 39 | PGED2/RP6/RB6 — ICSP data / remappable I/O |
| 腳位 40 | PGEC2 — ICSP clock |
| 腳位 41 | PGED1/RP16/RC0 — ICSP data / remappable I/O port C |
| 腳位 42 | PGEC1/RP17/RC1 — ICSP clock / remappable I/O port C |
| 腳位 43 | RC2 — Port C bit 2 |
| 腳位 44 | RC3 — Port C bit 3 |
典型應用
DSPIC33EV128GM104-I/PT 適用於 6 應用s: BLDC / PMSM Motor Control, Automotive Sensor & Control Units, Industrial Automation Nodes, Appliance Motor Controllers, Power Conversion & Digital Power, Functional Safety (FuSa) Systems.
BLDC / PMSM Motor Control
The DSPIC33EV128GM104-I/PT is engineered for brushless DC and permanent-magnet synchronous motor drives, where field-oriented control (FOC) math must execute in real time alongside commutation logic. Its 70 MIPS dsPIC33EV core handles Clarke/Park transforms and PI loops with single-cycle MAC instructions, while the advanced PWM modules generate center-aligned or complementary 3-phase waveforms with programmable dead time. On-chip op amps condition shunt-resistor current signals, eliminating external amplifiers. The 5V-tolerant I/O interfaces directly with industrial gate drivers, and the -40C to +85C rating suits motor enclosures. The 128 KB ECC Flash stores both the motor-control firmware and safety routines.
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Automotive Sensor & Control Units
The DSPIC33EV128GM104 family is explicitly designed for automotive sensors and body controllers operating under vibration and electrical noise. The DSPIC33EV128GM104-I/PT integrates a CAN 2.0B peripheral for automotive bus connectivity, plus SENT (Single Edge Nibble Transmission) support for sensor data links. ECC Flash detects and corrects single-bit memory errors, supporting ISO 26262 functional safety (FuSa) designs. The 5V core withstands load-dump and jump-start transients more robustly than 3.3V MCUs. For AEC-Q100 qualification, Microchip offers the -E/PTVAO variant with the same die. Industrial applications include HVAC actuators and body control modules.
推薦
Industrial Automation Nodes
Industrial controllers in factory automation require deterministic response times and robust communication. The DSPIC33EV128GM104-I/PT at 70 MIPS executes PID loops and Modbus/TCP protocol stacks with deterministic timing. The on-chip op amps interface directly to 4-20 mA current loops or voltage dividers from sensors, while the CAN peripheral links the node to industrial fieldbus networks. The 5V-tolerant core eliminates level-shifting interfaces to legacy 5V industrial sensors and actuators. The wide operating temperature range (-40C to +85C) supports cabinet-less deployment near motors and switchgear. ECC Flash protects program integrity in electrically noisy factory environments.
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Appliance Motor Controllers
Major appliances such as washing machines, dishwashers, and refrigerator compressors require cost-effective motor control with strong EMC immunity. The DSPIC33EV128GM104-I/PT integrates the motor-control PWM, op amps for current sensing, and CAN for appliance networking into a single 44-pin TQFP, reducing BOM and PCB area. Its 5V core tolerates mains-derived supply rails more cleanly than 3.3V MCUs, and the -40C to +85C industrial temperature rating handles the thermal envelope inside appliance cabinets. The 128 KB ECC Flash supports both inverter control and user-interface state machines. Designers can leverage Microchip's motor-control firmware libraries to shorten development cycles.
推薦
Power Conversion & Digital Power
Switch-mode power supplies and digital power converters benefit from the DSPIC33EV128GM104-I/PT's 70 MIPS DSP engine, which executes digital control loops (peak current mode, average current mode) at sub-microsecond intervals. The high-resolution PWM modules generate precise duty cycles, while the on-chip op amps condition current-sense signals from the power stage. The 5V tolerance handles rectified mains-derived rails, and ECC Flash protects against bit-flips in high-dV/dt environments. Designers can implement both PFC (power factor correction) and LLC control in a single chip, with the 128 KB Flash accommodating complex state machines and adaptive control algorithms.
推薦
Functional Safety (FuSa) Systems
Functional-safety designs under IEC 61508 or ISO 26262 require processors with built-in diagnostics. The DSPIC33EV128GM104 family provides ECC Flash that detects and corrects single-bit errors, supporting FuSa implementation. The DSPIC33EV128GM104-I/PT runs safety firmware (self-tests, watchdog logic, sensor plausibility checks) alongside application code in 128 KB of Flash. The 5V core and industrial temperature range suit safety-critical industrial equipment such as gas detectors, emergency-stop controllers, and process safety shutoff valves. For higher safety integrity levels (SIL), designers can pair the DSC with external redundancy and use the AEC-Q100-qualified E/PTVAO variant for automotive SIL applications.
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推薦產品摘要
工程參考資料，適用於 DSPIC33EV128GM104-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-E/PT | DSPIC33EV128GM104T-I/PT | DSPIC33EV128GM104T-E/PT | DSPIC33EV128GM104-E/PTVAO |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C (same) | -40C to +125C | -40C to +125C |
| Maximum MIPS | 70 MIPS | 60 MIPS | 70 MIPS (same) | 60 MIPS | 60 MIPS |
| Program Flash | 128 KB ECC | 128 KB ECC (same) | 128 KB ECC (same) | 128 KB ECC (same) | 128 KB ECC (same) |
| RAM | 8 KB | 8 KB (same) | 8 KB (same) | 8 KB (same) | 16 KB |
| AEC-Q100 Qualified | No | No | No | No | Yes |
| Packaging Carrier | Tray | Tray | Tape & Reel | Tape & Reel | Tray |
主要差異化特點
- 5V-tolerant core with ECC Flash (對比DSPIC33EV128GM104-E/PT)
- Industrial temperature grade at highest MIPS (對比DSPIC33EV128GM104T-I/PT)
- Tray packaging for low-volume NPI (對比DSPIC33EV128GM104-E/PTVAO)
設計說明
Estimated: the DSPIC33EV128GM104-I/PT operates from a single 4.5 V to 5.5 V supply with multiple VDD/VSS pin pairs that MUST all be connected and individually decoupled with 0.1 uF X7R ceramics placed within 5 mm of each pin. AVDD/AVSS require their own 0.1 uF + 10 uF bulk capacitors. Per Microchip datasheet DS70005144H, decoupling all power pins is mandatory for EMC compliance - leaving any VDD floating causes undefined behavior and increased EMI.
Keep PGECx and PGEDx pins as matched pairs routed together with matched trace lengths to the ICSP header for in-circuit serial programming. According to Microchip, mixing PGEC2 with PGED1 (or other cross-pair combinations) prevents ICSP communication. Place a 4.7 kohm pull-up on MCLR if not driven by the programmer. Avoid routing high-current motor traces under the DSC; the 5V core has limited noise margin and switching noise can corrupt ADC samples.
When migrating from the DSPIC33FJ family to the DSPIC33EV family, verify the Peripheral Pin Select (PPS) register mappings - peripheral-to-pin assignments differ between families even though the same pin numbers exist. The DSPIC33EV128GM104-I/PT requires 5V supply; applying 3.3V from a prior 3.3V-only design will cause EEPROM erase failures and unreliable ADC conversion. Always reconfigure the FICD register after programming if debugging lockouts are needed.
The 44-pin TQFP package has an estimated theta_JA of approximately 50 C/W on a 2-layer JEDEC test board (estimated; no datasheet figure provided). At 70 MIPS with all peripherals active, typical core current is ~50 mA, dissipating roughly 250 mW at 5V. For continuous full-speed operation above 60C ambient, provide a copper pour under the exposed thermal pad footprint area (even though this TQFP has no exposed pad) and ensure the four VDD pins share the supply plane equally.
合規資訊
RoHS and lead-free confirmed per Microchip product page. The -I/PT part itself is NOT AEC-Q100 qualified; for AEC-Q100, choose the DSPIC33EV128GM104-E/PTVAO automotive-grade variant which uses the same die.
