DSPIC33EP64MC204T-I/PT - 16-bit 70 MIPS DSC 64KB Flash | Microchip
料号： DSPIC33EP64MC204T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.61 | $46.10 |
| 100 | $4.1 | $410.00 |
| 500 | $3.69 | $1,845.00 |
| 1,000 | $3.32 | $3,320.00 |
DSPIC33EP64MC204T-I/PT 概述
A digital signal controller combines the computational capability of a digital signal processor with the peripheral integration and deterministic behavior of a microcontroller. Within the power management hierarchy of embedded systems, the DSC sits between a general-purpose MCU and a dedicated DSP: it executes single-cycle MAC and DSP instructions while providing motor-control-grade peripherals, making the dsPIC33E family a common choice for real-time closed-loop control.
Key features of the DSPIC33EP64MC204T-I/PT include a 16-bit dsPIC CPU core with DSP-enhanced instruction set, 64 KB of self-programmable Flash, and 8 KB of on-chip RAM. It integrates high-speed MCPWM (motor control PWM), a Quadrature Encoder Interface (QEI) for position feedback, 3 on-chip operational amplifiers, 4 analog comparators, and 4 DMA channels. Connectivity covers I2C, SPI, UART/USART, IrDA, and LINbus. The device operates from a 3.0V to 3.6V single supply with an industrial temperature range of -40C to +85C (I suffix).
Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with a 24-bit instruction word and dual data read in a single cycle, enabling FIR/IIR filtering and field-oriented control (FOC) loops at rates impossible on standard 8-bit MCUs. The PTG (Pulse Train Generator) provides hardware sequencing without CPU intervention, offloading timing-critical tasks.
Typical applications include brushless DC and PMSM motor control drives, digital power supplies (PFC, LLC), sensor signal conditioning using the integrated op-amps, and industrial automation nodes requiring QEI position feedback.
Design consideration: decouple the 3.3V rail with at least one 0.1 uF ceramic capacitor per VDD pin placed within 2 mm of the pin, and connect all VSS pins to a solid ground plane to minimize PWM switching noise coupling into the analog peripherals.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing referenced as of 2026-09-25.
直接替换替代料： DSPIC33EP64MC204T-I/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： DSPIC33EP64MC204T-I/PT （相同外形与封装尺寸） ——差异在于 Core Architecture, Operating Temperature, Qualification, RAM, Series.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64MC204-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64MC204T-E/PT
✅ 直接替换✓ 有现货
$3.8 / 个
查看数据手册 →DSPIC33EP64MC204-E/PT
✅ 直接替换✓ 有现货
$2.97 / 个
查看数据手册 →DSPIC33EP64MC204T-E/PTVAO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EP128MC204T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.4 / 个
查看数据手册 →DSPIC33EP256MC204T-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64MC204T-I/PT 最大额定值与电气特性
| Core Processor | dsPIC33EP (16-bit) |
| Core Size | 16-bit |
| Maximum Speed | 70 MIPS (60 MHz clock) |
| Program Memory Size | 64 KB (22K x 24) Flash |
| RAM Size | 8 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus, QEI |
| Motor Control PWM | MCPWM (high-speed) |
| On-chip Op-Amps | 3 |
| Analog Comparators | 4 |
| DMA Channels | 4 |
| Timers | 5 |
| 封装 | 44-TQFP (10x10 mm) |
| 工作温度 | -40C to +85C (I grade) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| 生命周期状态 | Active |
| Special Peripherals | PTG (Pulse Train Generator), QEI |
DSPIC33EP64MC204T-I/PT 44-tqfp (10x10 mm) 引脚配置指南
DSPIC33EP64MC204T-I/PT（44-tqfp (10x10 mm) 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： DSPIC33EP64MC204T-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP64MC204T-I/PT 适用于 6 应用s: BLDC/PMSM Motor Control Drives, Digital Power Supplies (PFC / LLC), Sensor Signal Conditioning Nodes, Industrial Automation and Motion Control, Robotics and Drones, Automotive and Transport Subsystems.
BLDC/PMSM Motor Control Drives
The DSPIC33EP64MC204T-I/PT is purpose-built for field-oriented control (FOC) of brushless DC and permanent magnet synchronous motors. Its MCPWM peripheral generates complementary 3-phase PWM with hardware dead-time insertion, while the 70 MIPS DSP core with single-cycle MAC executes the Clarke/Park transforms and PI current loops at high bandwidth. The Quadrature Encoder Interface reads rotor position directly, and the 3 on-chip op-amps amplify shunt current-sense signals without external amplifier ICs. The 4 comparators support cycle-by-cycle overcurrent limiting entirely in hardware, ensuring protection even if firmware stalls. Typical usage: place the DSC as the sole controller in a servo or traction drive, with 10-20 kHz PWM and current-loop rates of 10 kHz or more achievable.
推荐
Digital Power Supplies (PFC / LLC)
In switch-mode power conversion, the DSPIC33EP64MC204T-I/PT implements digital PFC, LLC, or buck control loops with its high-resolution PWM and fast analog comparators. The 70 MIPS core supports nonlinear control laws and adaptive dead-time optimization that analog controllers cannot execute, improving light-load efficiency. The 4 comparators provide hardware overcurrent trip independent of software, and the PTG (Pulse Train Generator) sequences startup and burst modes without CPU load. The 3.0V to 3.6V supply and -40C to +85C industrial range suit telecom rectifier and server PSU environments. Design consideration: budget CPU cycles carefully - control loop plus housekeeping should stay under 60% MIPS utilization to preserve interrupt latency margins.
推荐
Sensor Signal Conditioning Nodes
The integrated 3 op-amps and 4 comparators make this DSC a compact analog front end for industrial sensors such as pressure bridges, thermocouples, and pH probes. Op-amps are configured in firmware-selectable gain stages to amplify millivolt-level signals before sampling, reducing BOM count and board area versus a discrete amplifier plus MCU solution. The 8 KB RAM buffers waveform captures for FFT-based analysis using the DSP library, and 4 DMA channels move ADC results to memory without CPU intervention. UART or SPI forwards processed data to a host. For best accuracy, run the op-amps from a clean 3.3V rail with local 0.1 uF decoupling and keep analog routing away from PWM traces.
推荐
Industrial Automation and Motion Control
Factory automation nodes use the DSPIC33EP64MC204T-I/PT as a motion coordinator: the QEI decodes incremental encoder feedback from steppers or servos, timers generate step pulses, and UART/IrDA or LINbus links to a PLC or SCADA host. With 70 MIPS available, the controller can close position and velocity loops while simultaneously running a communication stack. The -40C to +85C temperature range covers unconditioned cabinets, and the 44-pin TQFP provides 51-class I/O multiplexing for limit switches, relays, and status LEDs. Firmware upgradability via self-programmable Flash enables field updates over the serial link, reducing service cost over the product lifetime in deployed machinery.
推荐
Robotics and Drones
In robotics and UAV platforms, the DSPIC33EP64MC204T-I/PT serves as a dedicated motor-control coprocessor or ESC brain while a host processor handles navigation. The DSP core executes sensorless FOC using back-EMF observers at high loop rates, and the comparators implement hardware commutation edge detection. Its deterministic 16-bit architecture avoids the jitter of general-purpose Linux-class processors, which is critical for stable current control in multi-rotor applications. The 3.3V supply integrates cleanly with common flight-controller rails. Weight-conscious designs benefit from the single 10x10 mm 44-TQFP replacing discrete amplifier, comparator, and controller ICs, cutting both mass and quiescent complexity on the power board.
推荐
Automotive and Transport Subsystems
For temperature-demanding transport applications, select the DSPIC33EP64MC204T-E/PT sibling, which is AEC-Q100 qualified per Microchip USA and rated -40C to +125C in the identical 44-TQFP footprint. Subsystems such as electric pump controllers, HVAC blower drives, and throttle actuators use the MCPWM, QEI, and comparator blocks for closed-loop actuation, with LINbus connectivity matching in-vehicle network standards. The PCB land pattern is unchanged between I-grade and E-grade parts, letting one layout serve both climate zones. Design consideration: derate junction temperature targets and add generous ground pour under the package, since automotive ambient profiles plus drive dissipation stress the thermal budget beyond industrial levels.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64MC204T-I/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 | DSPIC33EP64MC204-I/PT | DSPIC33EP64MC204T-E/PT | DSPIC33EP128MC204T-I/PT | DSPIC33EP256MC204T-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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB (22K x 24) | 64 KB | 64 KB | 128 KB | 256 KB |
| Core Speed | 70 MIPS (60 MHz) | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E), AEC-Q100 | -40C to +85C (I) | -40C to +85C (I) |
| Packaging | Tape & Reel (T) | Tray/Tube | Tape & Reel | Tape & Reel | Tape & Reel |
| Analog Peripherals | 3 op-amps, 4 comparators | 3 op-amps, 4 comparators | 3 op-amps, 4 comparators | 3 op-amps, 4 comparators | 3 op-amps, 4 comparators |
关键差异点
- Integrated analog front end reduces BOM （对比 DSPIC33FJ64MC204-I/PT)
- Extended-temperature drop-in sibling available （对比 DSPIC33EP64MC204T-E/PT)
- Firmware headroom upgrade path within the same footprint （对比 DSPIC33EP256MC204T-I/PT)
设计说明
Place one 0.1 uF ceramic decoupling capacitor at every VDD pin of the 44-TQFP, within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the device. Connect all VSS pins directly to a solid ground plane. Because the MCPWM outputs switch amperes into gate drivers, route PWM traces away from the analog op-amp and comparator inputs; use a ground moat or careful partitioning to keep switching return currents out of the analog section. The exposed routing under a 10x10 mm TQFP should include thermal relief vias only where needed - the package center has no exposed pad.
Verify Peripheral Pin Select (PPS) mapping before locking your schematic: on dsPIC33EP devices many digital peripherals can route to multiple pins, and an incorrect PPS assignment is a leading cause of non-working first prototypes. Also confirm that the configuration fuse settings (oscillator source, PLL prescaler/postscaler for the 60 MHz/70 MIPS target, watch-dog, and code protection) are set in code, not left at defaults. Flashing a 70 MIPS PLL setting with the wrong crystal can silently halve core speed and skew all PWM timing calculations.
Estimated: the 44-TQFP (10x10 mm) theta_JA for this class of device is typically on the order of 45-55 C/W on a standard 4-layer JEDEC board, so at a worst-case industrial 85 C ambient with roughly 150-250 mA of core+I/O current at 3.3 V (about 0.5-0.8 W dissipation), junction temperature rises roughly 25-45 C - within the 125 C absolute limit but with limited margin. Exact theta_JA must be taken from the official Microchip datasheet; add copper pour under the package if the drive runs continuous heavy PWM loads near the upper ambient range.
合规信息
The I-grade part is not AEC-Q100 qualified; the DSPIC33EP64MC204T-E/PT variant is listed by Microchip USA as AEC-Q100 qualified. RoHS/lead-free status per current active distributor listings; REACH and conflict-minerals declarations should be confirmed via official Microchip compliance documentation.
