DSPIC33EV256GM004-E/PT - 16-bit 5V 70 MIPS DSC | Microchip
MPN： DSPIC33EV256GM004-E/PT ✓ 啟用中DSPIC33EV256GM004-E/PT 概覽
A digital signal controller combines the compute architecture of a microcontroller with DSP-engine features such as single-cycle MAC, hardware divide, and DSP instruction support, occupying the middle of the hierarchy between MCUs and dedicated DSPs within power-management and embedded control ICs. The dsPIC33EV family extends this concept with a 5V-tolerant core, making it well suited to harsh electrical environments where 3.3V devices require level shifting.
Key features include 256 KB of ECC-protected Flash for functional-safety-oriented designs, up to 70 MIPS execution from the 16-bit dsPIC33E core, multiple motor-control PWM outputs, four on-chip operational amplifiers, SENT and CAN 2.0B interfaces, and a Charge Time Measurement Unit (CTMU) for capacitive touch and time-domain measurements.
Technically, the device uses a modified Harvard architecture with a multiple internal bus system, four DMA channels, and seven timers. Integrated op amps offload external signal-conditioning stages in current-sense and sensor front ends, reducing BOM cost and board area in automotive and industrial nodes.
Typical applications include BLDC and PMSM motor control in appliances, automotive sensor and touch-control units operating in vibration- and noise-rich environments, and digitally controlled power supplies.
Design consideration: the extended-temperature (-E) grade permits -40C to +125C ambient operation, but verify Flash retention and timing derating across the full range per the family data sheet DS70005144H.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EV256GM004-E/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： DSPIC33EV256GM004-E/PT （相同外形與佔位） — 差異在於 Package, Core Architecture, Operating Temperature, Functional Safety Support, RAM.
DSPIC33EV256GM004-I/PT
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EV256GM104-E/P8
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV256GM104T-I/P8
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV128GM004-E/P8
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV128GM004T-I/P8
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EV256GM004-E/PT 最大額定值與電氣特性
| Core | dsPIC33E 16-bit DSC |
| Max CPU Speed | 70 MIPS |
| Operating Voltage | 4.5 V to 5.5 V (5 V core) |
| Flash Program Memory | 256 KB with ECC |
| RAM | 16 KB |
| DMA Channels | 4 |
| Timers | 7 |
| Motor Control PWM | 6 MC PWM outputs |
| On-chip Op Amps | 4 |
| Communication Interfaces | CAN 2.0B, SENT, UART, SPI, I2C |
| CTMU | Yes (Charge Time Measurement Unit) |
| 工作溫度 | -40C to +125C |
| 封裝 | 44-pin TQFP (PT), 10x10 mm |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
DSPIC33EV256GM004-E/PT 腳位配置
| 腳位 1 | MCLR — Master clear reset (active low) / programming voltage input |
| 腳位 2 | AN0/VREF+ — Analog input 0 / ADC positive voltage reference |
| 腳位 3 | AN1/VREF- — Analog input 1 / ADC negative voltage reference |
| 腳位 4 | AN2/RPxx — Analog input 2 / remappable peripheral pin |
| 腳位 5 | AN3/RPxx — Analog input 3 / remappable peripheral pin |
| 腳位 6 | VSS — Ground reference |
| 腳位 7 | VDD — Power supply (4.5V to 5.5V) |
| 腳位 8 | AN4/RPxx — Analog input 4 / remappable peripheral pin |
| 腳位 9 | AN5/RPxx — Analog input 5 / remappable peripheral pin |
| 腳位 10 | OSC1/CLKI — Crystal oscillator input / external clock input |
| 腳位 11 | OSC2/CLKO — Crystal oscillator output / clock output |
| 腳位 12 | VDD — Power supply |
| 腳位 13 | VSS — Ground reference |
| 腳位 14 | RPxx — Remappable peripheral pin (PWM/UART/SPI/I2C) |
| 腳位 15 | RPxx — Remappable peripheral pin |
| 腳位 16 | RPxx — Remappable peripheral pin |
| 腳位 17 | RPxx — Remappable peripheral pin |
| 腳位 18 | AN6/RPxx — Analog input 6 / remappable peripheral pin |
| 腳位 19 | AN7/RPxx — Analog input 7 / remappable peripheral pin |
| 腳位 20 | PGD/RPxx — In-circuit serial programming data / remappable pin |
| 腳位 21 | PGC/RPxx — In-circuit serial programming clock / remappable pin |
| 腳位 22 | AN8/RPxx — Analog input 8 / remappable peripheral pin |
| 腳位 23 | AN9/RPxx — Analog input 9 / remappable peripheral pin |
| 腳位 24 | VSS — Ground reference |
| 腳位 25 | VDD — Power supply |
| 腳位 26 | AN10/RPxx — Analog input 10 / remappable peripheral pin |
| 腳位 27 | AN11/RPxx — Analog input 11 / remappable peripheral pin |
| 腳位 28 | AN12/RPxx — Analog input 12 / remappable peripheral pin |
| 腳位 29 | AN13/RPxx — Analog input 13 / remappable peripheral pin |
| 腳位 30 | RPxx — Remappable peripheral pin (PWM output) |
| 腳位 31 | RPxx — Remappable peripheral pin (PWM output) |
| 腳位 32 | RPxx — Remappable peripheral pin |
| 腳位 33 | RPxx — Remappable peripheral pin |
| 腳位 34 | RPxx — Remappable peripheral pin |
| 腳位 35 | RPxx — Remappable peripheral pin |
| 腳位 36 | VDD — Power supply |
| 腳位 37 | VSS — Ground reference |
| 腳位 38 | RPxx — Remappable peripheral pin |
| 腳位 39 | RPxx — Remappable peripheral pin |
| 腳位 40 | OPA1/AN14 — Op amp 1 output / analog input 14 |
| 腳位 41 | OPA2/AN15 — Op amp 2 output / analog input 15 |
| 腳位 42 | OPA3/RPxx — Op amp 3 output / remappable pin |
| 腳位 43 | OPA4/RPxx — Op amp 4 output / remappable pin |
| 腳位 44 | VDD — Power supply |
典型應用
DSPIC33EV256GM004-E/PT 適用於 6 應用s: BLDC / PMSM Motor Control, Automotive Sensor and Touch Control Units, Digitally Controlled Power Supplies, Home Appliances, Industrial Automation and Control Nodes, SENT Sensor Interface Nodes.
BLDC / PMSM Motor Control
The DSPIC33EV256GM004-E/PT fits motor control because its six motor-control PWM outputs drive three-phase inverters with complementary or independent modes, while the 70 MIPS dsPIC33E core executes field-oriented control (FOC) loops well within PWM periods of 10-20 kHz. The four on-chip op amps condition shunt-resistor current feedback without external amplifier ICs, cutting BOM cost and layout area. In a typical appliance drive, the DSC sits between a gate-driver stage and a 5V sensor rail, using its 5V-tolerant ADC inputs to read phase currents and bus voltage directly. The ECC Flash protects control firmware from bit corruption in electrically noisy inverter environments, and the extended -40C to +125C grade suits enclosed motor housings with limited airflow.
推薦
Automotive Sensor and Touch Control Units
Microchip positions the dsPIC33EV family explicitly for automotive sensor and touch-control units operating amid noise and vibration, and the DSPIC33EV256GM004-E/PT is the extended-temperature member for that role. Its SENT receive peripheral interfaces directly to SAE J2716 sensors such as throttle-position and pressure sensors, while the CAN 2.0B controller links the node to the vehicle network. The CTMU supports capacitive-touch buttons for HVAC and center-console panels, and the 5V core connects to vehicle sensor rails without level shifting. With a -40C to +125C rating and ECC-protected 256 KB Flash, the device maintains firmware integrity under automotive electrical stress, and the 44-pin TQFP provides enough I/O for lamp drivers and switch matrices.
推薦
Digitally Controlled Power Supplies
In digitally controlled AC-DC and DC-DC converters, the DSPIC33EV256GM004-E/PT closes voltage- and current-mode control loops using its high-speed ADC and DSP multiply-accumulate capability, executing compensation at switching frequencies in the 100-500 kHz range with the 70 MIPS core. The complementary PWM outputs drive half-bridge and full-bridge stages, and the on-chip op amps amplify shunt-current signals for cycle-by-cycle limiting. The 5V logic domain simplifies interfacing with optocoupler and gate-driver circuits common in isolated supplies. Designers benefit from the ECC Flash for firmware safety, field-updatable bootloaders for settings calibration, and the extended temperature grade for sealed power-enclosure environments where ambient temperatures routinely exceed +85C.
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Home Appliances
Appliance control boards - washing machines, dishwashers, refrigerators - combine motor drives, user interfaces, and sensor inputs, which is precisely the workload profile of the DSPIC33EV256GM004-E/PT. The 6-channel motor-control PWM handles the compressor or drum motor, the CTMU implements capacitive touch buttons and sliders on the front panel, and abundant 5V I/O drives relays, LEDs, and 7-segment displays without level translators. The extended -40C to +125C rating covers hot motor compartments and dryer interiors, while the 256 KB ECC Flash stores complex state machines, error logs, and communication stacks for connected appliances. CAN or UART links connect to Wi-Fi modules for IoT integration, and self-programming Flash enables field firmware updates after installation.
推薦
Industrial Automation and Control Nodes
Factory equipment controllers need deterministic compute, robust communication, and tolerance to electrically noisy cabinets - requirements the DSPIC33EV256GM004-E/PT addresses with its 70 MIPS DSP core, hardware CAN 2.0B controller, and ECC-protected Flash. The 16-bit core executes PID loops for process control while the DMA channels stream ADC samples without CPU intervention, keeping loop jitter low. Four on-chip op amps condition 4-20 mA current-loop and thermocouple front ends, and the 5V I/O matches legacy industrial sensor rails directly, eliminating level-shifting circuitry. The -40C to +125C ambient rating suits outdoor pump skids and oven-adjacent enclosures, and UART/SPI/I2C peripherals integrate HMI displays and industrial sensor modules into a single-controller architecture.
推薦
SENT Sensor Interface Nodes
The DSPIC33EV256GM004-E/PT is a natural fit for SENT (SAE J2716) sensor-interface nodes because the family integrates a hardware SENT receiver that decodes nibble streams from smart sensors without software bit-banging, offloading the CPU for protocol validation and scaling. Typical systems sit between automotive or industrial SENT sensors and a CAN or UART backbone: the DSC receives SENT frames, applies linearization and plausibility checks in the 70 MIPS DSP core, and forwards conditioned data over CAN 2.0B. The 5V domain matches SENT sensor supply levels directly, the CTMU supports capacitive diagnostics on wiring, and the -40C to +125C grade plus ECC Flash sustain reliability in under-hood and machinery-mounted sensor hubs exposed to vibration and transients.
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推薦產品摘要
工程參考資料，適用於 DSPIC33EV256GM004-E/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 | DSPIC33EV256GM004-I/PT | DSPIC33EV256GM104-E/P8 | DSPIC33EV128GM004-E/P8 |
|---|---|---|---|---|
| Package | 44-pin TQFP (PT) 10x10 mm | 44-pin TQFP (PT) - same | 44-pin TQFP (P8) - same footprint | 44-pin TQFP (P8) - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB (ECC) | 256 KB (ECC) | 256 KB (ECC) | 128 KB (ECC) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Max CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| On-chip Op Amps | 4 | 4 | 4 | 4 |
| Supply 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 |
主要差異化特點
- Extended -40C to +125C temperature grade (對比DSPIC33EV256GM004-I/PT)
- Double the Flash of 128 KB family members (對比DSPIC33EV128GM004-E/P8)
- 5V core eliminates level shifting (對比3.3V dsPIC33CK families)
- Integrated four op amps and CTMU reduce BOM (對比DSPIC33EV256GM004-I/PT (or external amp approach))
設計說明
Supply the DSPIC33EV256GM004-E/PT from a regulated 5V rail (4.5V-5.5V per the family data sheet DS70005144H). Place a 0.1uF ceramic capacitor at each VDD/VSS pair (the 44-pin TQFP has multiple supply pairs) plus a 4.7uF-10uF bulk capacitor near the device. Respect the data sheet VDD ramp-rate requirement at power-up; a slow-railing supply from high-impedance sources can leave the internal POR in an undefined state - a supervisor such as an MCP reset IC is recommended on noisy 5V rails. Estimated: a typical running configuration at 70 MIPS draws tens of mA, dominated by I/O loads rather than core current.
Use the internal PLL configuration that maps the crystal or internal FRC to 70 MIPS operation and route the OSC1/OSC2 crystal traces short and guarded with ground when using an external crystal. Because this family uses Peripheral Pin Select (PPS), assign PWM, UART, SPI, and CAN pin functions early in layout planning and avoid re-routing after copper is frozen. Keep the four op amp outputs on short, direct traces to their ADC input assignments, and separate the analog ground region under the AN pins from PWM switching currents via a single-point star connection at the main VSS pin.
Three frequent issues with the dsPIC33EV family: (1) confusing temperature grades - the -E/PT is required above +85C ambient; substituting the cheaper -I/PT in a hot enclosure risks out-of-spec operation; (2) forgetting ECC Flash implications - ECC protects against single-bit errors but adds programming-time constraints covered in the Flash Programming Specification, so bootloader timing must match; (3) omitting MCLR pull-up and programming header access - retain PGD/PGC pads in production for field diagnostics and firmware updates even if ICSP is unused at final test.
In motor-drive applications, the six MC PWM outputs switching at 10-20 kHz drive long traces to gate drivers; add series resistors (10-33 ohm estimated starting values) near the DSC pins to slow edge rates and reduce radiated emissions. The 5V logic swings generate more dv/dt noise than 3.3V families - keep CAN, SENT, and analog traces away from PWM routing layers and use ground stitching where signals cross domain boundaries. The CTMU touch inputs are sensitive; shield touch traces with ground pours and route them away from op amp output lines.
合規資訊
RoHS compliance per standard Microchip product offering for current-production parts; confirm REACH and AEC-Q100 qualification level directly with Microchip product documentation - the -E suffix denotes extended temperature range, not a formal AEC claim.