DSPIC33EV128GM104-E/PT - 16-Bit 5V DSC, 128KB Flash, 44-TQFP | Microchip
料号： DSPIC33EV128GM104-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.95 | $59.50 |
| 100 | $5.4 | $540.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.6 | $4,600.00 |
DSPIC33EV128GM104-E/PT 概述
A digital signal controller (DSC) is a class of embedded processor that combines a microcontroller (MCU) with a digital signal processor (DSP) engine on one chip. DSCs sit in the hierarchy between general-purpose microcontrollers (e.g., Cortex-M) and standalone DSPs, occupying the power-management and motor-control niche where deterministic math, fast interrupt response, and rich peripherals matter more than raw core mark counts. dsPIC33EV is a 5V, automotive-robust line within that hierarchy, designed for harsh electrical and thermal environments.
Key features include a 5V supply rail with wide tolerance, on-chip CAN, up to 7 PWM channels for motor drive, a 12-bit ADC with up to 1.1 Msps conversion, op-amps inside the silicon for current sensing, comparators, and an ECC-protected Flash memory array. Functional Safety (FuSa) features such as Windowed Watchdog Timer and CRC accelerators support ISO 26262 ASIL-B oriented designs when paired with the appropriate safety manual.
Architecturally, the device uses Microchip's modified Harvard dsPIC DSC core with a single-cycle MAC and barrel shifter, achieving deterministic interrupt latency of 5 cycles per instruction stage. The 5V-tolerant I/O eliminates level shifters in 12V/24V industrial and automotive subsystems, and the ECC Flash improves FIT rates versus uncorrected Flash MCUs.
Typical applications include automotive sensors, BLDC/PMSM motor control, appliance control, industrial PLCs, and functional safety systems. The wide 4.5V-5.5V supply and -40C to +125C range suit 12V automotive rails and industrial 24V systems after front-end regulation. When designing with this part, allocate enough program Flash to the application code plus the FuSa library overhead (CRC self-test, watchdog refresh), and verify the motor-control PWM channel mapping against the chosen inverter stage topology.
直接替换替代料： DSPIC33EV128GM104-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33EV128GM104-E/PT （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, Operating Temperature, Maximum CPU Speed, Operating Voltage.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EV128GM104-I/PT
✅ 直接替换✓ 有现货
$4.39 / 个
查看数据手册 →DSPIC33EV128GM104-E/PTVAO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EV128GM104T-I/PT
✅ 直接替换✓ 有现货
$3.38 / 个
查看数据手册 →DSPIC33EP256MC506-E/PT
✅ 直接替换✓ 有现货
$5.83 / 个
查看数据手册 →DSPIC33EP64GS805-I/PT
✅ 直接替换✓ 有现货
$3.48 / 个
查看数据手册 →DSPIC33EV128GM104-E/PT 最大额定值与电气特性
| Core | dsPIC33EV 16-bit DSC |
| Core Architecture | Modified Harvard with DSP engine |
| Maximum CPU Speed | 70 MIPS (60 MIPs per DigiKey listing) |
| 电源电压 | 4.5 V to 5.5 V |
| Program Flash | 128 KB (43K x 24) with ECC |
| RAM | 8 KB |
| 工作温度 | -40C to +125C (Extended, -E suffix) |
| 封装 | 44-pin TQFP (10x10 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount |
| ADC | 12-bit, up to 1.1 Msps |
| PWM Channels | Up to 7 motor-control PWM channels |
| CAN | 1 x CAN module |
| Op-Amps | On-chip op-amps for current sensing |
| Comparators | On-chip analog comparators |
| Watchdog | Windowed Watchdog Timer (FuSa) |
| CRC Engine | Yes (Functional Safety support) |
| Automotive Qualification | AEC-Q100 |
| MSL 等级 | 3 (per typical Microchip TQFP profile) |
| RoHS 状态 | Compliant |
DSPIC33EV128GM104-E/PT 44-pin tqfp (10x10 mm, 0.8 mm pitch) 引脚配置指南
DSPIC33EV128GM104-E/PT（44-pin tqfp (10x10 mm, 0.8 mm pitch) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33EV128GM104-E/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EV128GM104-E/PT 适用于 7 应用s: Automotive BLDC / PMSM Motor Control, Automotive Sensor Modules (ASIL-B Functional Safety), Industrial Variable Frequency Drives (VFD) and Servo Control, Appliance Motor Control (Washing Machines, Dishwashers, Refrigerators), Power Conversion - Digital SMPS Control Loops, Automotive Body Control Modules (BCM), Touch and HMI Control with Safety Monitoring.
Automotive BLDC / PMSM Motor Control
The DSPIC33EV128GM104-E/PT is well suited for 3-phase BLDC and PMSM motor control in 12V/24V automotive subsystems such as electric water pumps, oil pumps, HVAC blowers, and electric cooling fans. The device integrates up to 7 PWM outputs that pair directly with a 3-phase inverter gate driver like the DRV8301 or DRV8303, and the on-chip op-amps can sense phase currents without external amplifiers. Its 12-bit 1.1 Msps ADC samples currents in the center of the PWM cycle for accurate FOC torque loops. AEC-Q100 qualification and the -40C to +125C extended temperature grade meet under-hood placement requirements, while the Windowed Watchdog and CRC support ISO 26262 ASIL-B oriented designs.
推荐
Automotive Sensor Modules (ASIL-B Functional Safety)
The DSPIC33EV128GM104-E/PT serves as the main controller in automotive sensor modules that must reach ISO 26262 ASIL-B functional safety, such as throttle position sensors, transmission speed sensors, and battery current sensors. The Windowed Watchdog Timer catches missed watchdog refreshes that would otherwise go undetected in classic watchdog implementations, and the on-chip CRC engine accelerates cyclic memory integrity checks during runtime. ECC Flash detects single-bit soft errors and corrects them in-line so corrupted instruction execution cannot propagate. AEC-Q100 qualification, 5V I/O tolerance, and the 128 KB Flash provide ample headroom for the safety library, application code, and calibration data in a single chip.
推荐
Industrial Variable Frequency Drives (VFD) and Servo Control
In industrial servo drives, low-power VFDs, and stepper-servo hybrid controllers, the DSPIC33EV128GM104-E/PT provides the math horsepower for sinusoidal commutation and field-oriented control at switching frequencies of 8-20 kHz. The 70 MIPS dsPIC core can sustain a complete FOC loop in tens of microseconds, and the DSP engine executes single-cycle MAC instructions that accelerate Clarke and Park transforms. The on-chip comparators support hardware cycle-by-cycle current limiting without software latency, while the 5V supply simplifies interface to legacy industrial 24V subsystems through a single buck converter. Industrial IEC 60068 profiles are accommodated by the -40C to +125C junction range.
推荐
Appliance Motor Control (Washing Machines, Dishwashers, Refrigerators)
White goods like washing machines, dishwashers, and refrigerator compressors require cost-effective, robust DSC control of universal and BLDC motors, often through IEC 60730 Class B software safety requirements. The DSPIC33EV128GM104-E/PT satisfies this with its Windowed Watchdog, CRC, ECC Flash, and 5V I/O that interfaces directly to triac-driving opto-couplers and triac outputs. The 128 KB Flash accommodates IEC 60730 self-test routines (CPU register test, program counter test, RAM March-C test) in addition to the motor-control application. With AEC-Q100 robustness, the same part can be qualified for both consumer and entry-level automotive use, simplifying BOM management.
推荐
Power Conversion - Digital SMPS Control Loops
The DSPIC33EV128GM104-E/PT is a strong fit for digital control of switched-mode power supplies such as 400V-to-24V bus converters, telecom bricks, and industrial DIN-rail supplies. The high-speed 12-bit ADC samples current and voltage at 1.1 Msps, supporting peak-current-mode control loops at switching frequencies up to about 500 kHz. The dedicated PWM module can generate complementary PWMs with programmable dead-band insertion, and the DSP engine accelerates digital compensator math. The 5V supply can be derived from an auxiliary winding on the main transformer, simplifying start-up circuitry.
推荐
Automotive Body Control Modules (BCM)
Body control modules consolidate functions of door locks, lighting, wiper control, and seat adjustment. The DSPIC33EV128GM104-E/PT supports BCM designs with its on-chip CAN module (one of the standard automotive buses), 7 PWM outputs (for lighting dimming, wiper speed control, and seat motors), and the ADC for battery voltage and current sensing. AEC-Q100 qualification and 5V I/O tolerance pair well with 12V battery rails and high-side switches. The Windowed Watchdog and CRC enable functional-safety designs that meet OEM-specific ASIL requirements for body electronics.
推荐
Touch and HMI Control with Safety Monitoring
Industrial and appliance user interfaces combining capacitive touch buttons with safety monitoring can leverage the DSPIC33EV128GM104-E/PT's ADC and timer resources. The MCU can periodically poll touch sensors through the ADC and PWM-driven charge transfer circuits, while simultaneously monitoring safety-critical parameters such as motor stall, over-temperature, and door-latch state. The Windowed Watchdog and CRC provide the deterministic fault detection required for IEC 60730 / UL 60730 Class B. The 5V supply and -40C to +125C range suit outdoor and appliance environments.
推荐
推荐产品汇总
工程参考数据： DSPIC33EV128GM104-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33EV128GM104-I/PT | DSPIC33EV128GM104-E/PTVAO | DSPIC33EV128GM104T-I/PT | DSPIC33EP256MC506-E/PT | DSPIC33EP64GS805-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 - same | TQFP-44 - same |
| Core / Family | dsPIC33EV (5V, automotive) | dsPIC33EV (5V, automotive) | dsPIC33EV (5V, automotive) | dsPIC33EV (5V, automotive) | dsPIC33EP (3.3V, motor control) | dsPIC33EP (3.3V, SMPS/digital power) |
| Program Flash | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 32 KB | 8 KB |
| 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 | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| Automotive Grade | AEC-Q100 | Industrial only | AEC-Q100 (VAO) | Industrial only | AEC-Q100 | Industrial only |
| Functional Safety (FuSa) | Yes (ASIL-B oriented) | Yes (ASIL-B oriented) | Yes (ASIL-B oriented) | Yes (ASIL-B oriented) | Limited (no ECC Flash on EP) | Limited (SMPS-focused FuSa) |
| Approx. Single-Unit Price (USD) | 6.50 | 5.95 (industrial grade, lower cost) | 6.50 (factory-configured variant) | 5.95 (industrial, tape and reel) | 7.50 (higher Flash density) | 4.95 (smaller Flash) |
关键差异点
- 5V supply rail with on-chip op-amps and comparators （对比 DSPIC33EP256MC506-E/PT)
- Functional Safety (FuSa) feature set with ECC Flash and Windowed Watchdog （对比 DSPIC33EP64GS805-I/PT)
- AEC-Q100 automotive qualification on the -E temperature suffix （对比 DSPIC33EV128GM104-I/PT)
- Single-cycle DSP MAC engine integrated with MCU core （对比 DSPIC33EP64GS805-I/PT)
设计说明
Estimated: the DSPIC33EV128GM104-E/PT draws approximately 60 mA active core current plus peripheral current at 70 MIPS / 5V. Each VDD/VSS pair (multiple pairs are present on the TQFP-44) must be decoupled with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus a bulk 4.7 uF or 10 uF ceramic on each domain. When the device is used with a switching DC/DC regulator, separate analog and digital ground returns and tie them only at one point under the MCU to avoid ground bounce through the on-chip ADC reference.
The TQFP-44 package has a theta_JA of approximately 50 C/W on a standard 2-layer 1 oz copper JEDEC test board. At 70 MIPS, 5V VDD, and 60 mA core current, the device dissipates about 0.30 W internally, yielding a junction-to-ambient temperature rise of about 15 C. In enclosed enclosures with poor airflow, reduce ambient temperature derating accordingly. AEC-Q100 Grade 1 (-40C to +125C) operation leaves little thermal margin if the application also dissipates high power through PCB-mounted drivers.
Place the 100 nF ceramic decoupling capacitors as close to each VDD/VSS pair as possible on the top layer. Keep analog ADC traces short and guarded by a ground pour on both sides, and route the analog reference (VREF+/VREF-) traces away from switching PWM outputs. The TQFP-44 has a 0.8 mm pitch, which is comfortable for hand prototyping but requires proper solder-paste aperture design for reflow production.
Common pitfalls with this device include: (1) confusing the EV family with the EP family - the EV is 5V, the EP is 3.3V, they are not supply-rail interchangeable on the same PCB; (2) forgetting to enable the Windowed Watchdog in software for ASIL-B designs - leaving the classic watchdog defeats the purpose; (3) using the on-chip op-amps without considering their input common-mode range, which on EV parts is rail-to-rail but biased to mid-supply; (4) underestimating Flash write time during EEPROM emulation cycles, which can stall the CPU for several milliseconds per page.
When using the on-chip 12-bit ADC to sample current shunts for motor FOC, sample in the middle of the PWM off-time (or center-aligned mode) to avoid switching transients. Place a low-pass RC filter (typically 1 kohm / 1 nF) at each ADC channel input to limit noise bandwidth. The ADC has a 1.1 Msps capability but practical FOC sampling rates are 10-20 kHz per channel, leaving ample margin for averaging and oversampling.
合规信息
AEC-Q100 qualified per Microchip product documentation. Lead-free and RoHS compliant per Microchip packaging data. Halogen-free status not explicitly stated in the provided data - set to unknown. Conflict-minerals compliance per Microchip corporate CMRT filings.