DSPIC33EP64MC202T-E/SO - 60MIPS DSC, 64KB Flash | Microchip
料号： DSPIC33EP64MC202T-E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.7 | $370.00 |
| 500 | $3.33 | $1,665.00 |
| 1,000 | $2.96 | $2,960.00 |
DSPIC33EP64MC202T-E/SO 概述
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, a DSC sits between a general-purpose microcontroller and a dedicated DSP: it executes single-cycle MAC and DSP-style instructions for control-loop mathematics while providing motor-control peripherals such as high-speed PWM, quadrature encoder interface (QEI), and input capture. The dsPIC33EP family from Microchip Technology is a widely adopted platform for real-time embedded control.
Key features of this device include the 16-bit dsPIC33E CPU core with DSP engine, up to 60 MIPS execution at 3.3V supply, 64KB self-programming FLASH with ECC, serial connectivity (I2C, SPI, UART/USART with IrDA and LINbus support), QEI for encoder feedback, and AEC-Q100 qualification for automotive environments. The extended -40C to +125C temperature range suits under-hood and industrial-automation locations.
Architecturally, the dsPIC33E core pairs a 16-bit MCU pipeline with a dedicated DSP multiply-accumulate unit, allowing deterministic interrupt latency for current-loop control at switching frequencies typical of FOC (field-oriented control) motor drives. Remappable peripheral pin select (PPS) lets designers route UART, SPI and other digital peripherals to flexible I/O pins, easing PCB layout in compact 28-pin systems.
Typical applications include brushless DC and PMSM motor control, digital power supplies and PFC stages, automotive body and auxiliary control modules, and industrial sensors requiring real-time signal processing.
Design consideration: power the VDDCORE pin through the internal regulator capacitor (VCAP) per the manufacturer datasheet decoupling guidance; insufficient VCAP capacitance is the most common cause of unreliable startup.
This page synthesizes distributor pricing, drop-in family alternatives, pinout information and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC33EP64MC202T-E/SO ——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： DSPIC33EP64MC202T-E/SO （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Packaging, Qualification, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64MC202-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EP64MC202-I/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.13 / 个
查看数据手册 →DSPIC33EP64MC202T-I/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.34 / 个
查看数据手册 →DSPIC33EP64GP502-E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.26 / 个
查看数据手册 →DSPIC33EP32MC202-E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.75 / 个
查看数据手册 →DSPIC33EP128MC202-E/SO
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64MC202T-E/SO 最大额定值与电气特性
| Core | 16-bit dsPIC33E DSC core |
| CPU Speed | 60 MIPS (60 MHz) |
| Program Memory Size | 64 KB (22K x 24) FLASH |
| RAM Size | 8 KB |
| 电源电压 | 3.3 V |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus, QEI |
| 封装 | 28-SOIC (0.295 in, 7.50 mm width) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +125C (E extended) |
| Qualification | AEC-Q100 qualified, Automotive |
| Series | dsPIC 33EP |
| 数据总线宽度 | 16 bit |
| 引脚数量 | 28 |
| Peripherals | High-speed PWM, QEI, PPS remappable pins |
| Packaging | Tape & Reel (T suffix) |
| RoHS 状态 | Compliant |
DSPIC33EP64MC202T-E/SO 引脚配置
| 引脚 1 | MCLR — Master clear reset, active low (program/erase voltage input) |
| 引脚 2 | AN0/VREF+/RB0 — Analog input 0 / positive voltage reference / port B I/O |
| 引脚 3 | AN1/VREF-/RB1 — Analog input 1 / negative voltage reference / port B I/O |
| 引脚 4 | AN2/SS1/RB2 — Analog input 2 / SPI slave select 1 / port B I/O |
| 引脚 5 | AN3/INDX/RB3 — Analog input 3 / QEI index pulse / port B I/O |
| 引脚 6 | AN4/QEA/RB4 — Analog input 4 / QEI channel A / port B I/O |
| 引脚 7 | AN5/QEB/RB5 — Analog input 5 / QEI channel B / port B I/O |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1/CLKI — Oscillator crystal input / external clock input |
| 引脚 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output / port C I/O |
| 引脚 11 | VCAP/VDDCORE — Internal core regulator capacitor connection |
| 引脚 12 | VDD — Positive supply, 3.3 V |
| 引脚 13 | RP15/RC1 — Remappable peripheral pin / port C I/O |
| 引脚 14 | RP14/RC0 — Remappable peripheral pin / port C I/O |
| 引脚 15 | AN6/RP13/RB6 — Analog input 6 / remappable peripheral pin / port B I/O |
| 引脚 16 | AN7/RP12/RB7 — Analog input 7 / remappable peripheral pin / port B I/O |
| 引脚 17 | AN8/RP11/RB8 — Analog input 8 / remappable peripheral pin / port B I/O |
| 引脚 18 | AN9/RP10/RB9 — Analog input 9 / remappable peripheral pin / port B I/O |
| 引脚 19 | AN10/RP9/RB10 — Analog input 10 / remappable peripheral pin / port B I/O |
| 引脚 20 | AN11/RP8/RB11 — Analog input 11 / remappable peripheral pin / port B I/O |
| 引脚 21 | AN12/RP7/RB12 — Analog input 12 / remappable peripheral pin / port B I/O |
| 引脚 22 | AN13/RP6/RB13 — Analog input 13 / remappable peripheral pin / port B I/O |
| 引脚 23 | VSS — Ground reference |
| 引脚 24 | AN14/RP5/RB14 — Analog input 14 / remappable peripheral pin / port B I/O |
| 引脚 25 | AN15/RP4/RB15 — Analog input 15 / remappable peripheral pin / port B I/O |
| 引脚 26 | AVDD — Analog positive supply |
| 引脚 27 | AVSS — Analog ground |
| 引脚 28 | VDD — Positive supply, 3.3 V |
典型应用
DSPIC33EP64MC202T-E/SO 适用于 6 应用s: BLDC / PMSM Motor Control, Digital Power Supplies and PFC, Automotive Body and Auxiliary Modules, Industrial Sensors and Condition Monitoring, Embedded Control and IoT Nodes, Battery Chargers and Power Conversion.
BLDC / PMSM Motor Control
The DSPIC33EP64MC202T-E/SO fits brushless DC and permanent-magnet synchronous motor control because its 60 MIPS dsPIC33E core executes field-oriented control (FOC) current loops with single-cycle MAC instructions at PWM frequencies of 20 kHz and above. The motor-control PWM module generates complementary outputs with dead-time insertion, while the quadrature encoder interface (QEI) decodes position feedback directly, removing external decoder logic. In a typical topology the DSC reads phase currents via its ADC, runs Clarke/Park transforms in firmware, and updates duty cycle each PWM period with deterministic interrupt latency. Because the 28-SOIC package integrates the controller, PWM, ADC and encoder interface in one 3.3V device, board area and BOM cost stay low. The main trade-off versus a dedicated gate driver + MCU split is added firmware complexity, offset by full control-loop flexibility.
推荐
Digital Power Supplies and PFC
For digitally controlled AC-DC and DC-DC converters, the DSPIC33EP64MC202T-E/SO provides the deterministic control timing that switch-mode power supplies demand. Its 60 MIPS core closes voltage- and current-loop compensators at effective bandwidths far above the converter crossover frequency, and the high-speed PWM supports phase-shifted full-bridge, buck and boost topologies including power-factor-correction stages. The 12-bit ADC can sample input/output voltage and inductor current synchronized to the PWM period, minimizing switching-noise aliasing. Placed directly on the control side of the power stage at 3.3V, the DSC replaces analog compensation networks with firmware that can adapt across operating points. Design consideration: keep the PWM and ADC trigger loop short and route sensitive sense lines away from gate-drive traces; the extended -40C to +125C rating suits enclosed PSU environments.
推荐
Automotive Body and Auxiliary Modules
The AEC-Q100 qualification and -40C to +125C extended temperature range make the DSPIC33EP64MC202T-E/SO suitable for automotive auxiliary electronics: pump controllers, blower and fan drives, actuator control and body-domain sub-functions. Distributor data (Microchip USA, Hotenda) explicitly lists the part as automotive-qualified. In these nodes the DSC drives small motors through its motor-control PWM while its UART/USART with LINbus support interfaces directly to LIN sub-networks, and I2C manages local sensors. Remappable peripheral pin select lets one firmware base serve multiple harness variants across trim levels, a significant cost lever in platform designs. Performance consideration: the 64KB FLASH typically holds the motor-control loop, LIN stack and diagnostic routines with margin, and the 8KB RAM covers control-state plus buffers; larger Look-up tables may need the 128KB family variant.
推荐
Industrial Sensors and Condition Monitoring
The DSPIC33EP64MC202T-E/SO serves as the processing core in industrial sensors where raw signals need DSP filtering before transmission. The 60 MIPS core with DSP MAC instructions runs FIR/IIR filters and FFT-based vibration analysis on-cavity, while the 12-bit ADC acquires sensor channels and SPI/I2C/UART outputs ship processed data to PLC networks. Example: a vibration sensor samples an accelerometer at several kHz, applies a band-pass filter in firmware, and reports spectral features over RS-485-linked UART. The -40C to +125C rating tolerates mounting near motors and drives, and AEC-Q100 qualification adds reliability margin for continuous industrial duty. Because peripheral pin select can route UART and SPI to nearly any pin, one PCB layout supports multiple sensor head variants. Trade-off: 8KB RAM bounds block size for FFT processing, so windowed short-frame analysis is preferred over full-length transforms.
推荐
Embedded Control and IoT Nodes
As a general embedded controller, the DSPIC33EP64MC202T-E/SO combines 60 MIPS processing, 64KB self-programmable FLASH and rich serial connectivity (I2C, SPI, UART/USART, IrDA) in a compact 28-SOIC footprint, making it a strong fit for smart devices, gateways and standalone control nodes. Self-programming FLASH enables field firmware updates over UART or SPI, a key maintenance feature for deployed IoT hardware. Typical usage: the DSC reads sensors over I2C, runs local control logic and filtering at DSP speed, and forwards telemetry to a wireless module via UART. The 3.3V single-supply operation simplifies power-tree design with common LDOs, and peripheral pin select reduces PCB routing constraints in dense two-layer boards. Consideration: the device has no integrated radio, so pair it with an external RF module when wireless connectivity is required.
推荐
Battery Chargers and Power Conversion
Battery charging topologies - CC/CV chargers, solar MPPT trackers and bi-directional converters - benefit from the DSPIC33EP64MC202T-E/SO mix of DSP throughput and control peripherals. The 60 MIPS core implements MPPT perturb-and-observe or CC/CV state machines at high loop rates, while the high-resolution-capable PWM adjusts conversion duty smoothly, and the ADC tracks charge current, battery voltage and temperature in one sampling window synchronized to PWM. Firmware safety routines (over-voltage, over-temperature cutoff) execute in deterministic time, an advantage over purely analog chargers that lack state logging over UART/I2C. The extended temperature grade suits chargers mounted in engine bays or outdoor enclosures. Design tip: sense resistors feeding the ADC should be Kelvin-connected, and the VCAP/VDDCORE pin must have its specified ceramic capacitance to avoid regulator instability during load transients.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64MC202T-E/SO ——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 | DSPIC33EP64MC202-E/SO | DSPIC33EP64MC202-I/SO | DSPIC33EP64GP502-E/SO | DSPIC33EP128MC202-E/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (7.50mm) | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| FLASH Program Memory | 64 KB (22K x 24) | 64 KB | 64 KB | 64 KB | 128 KB |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| AEC-Q100 Qualified | Yes | Yes | No (industrial grade) | Yes (E grade) | Yes (E grade) |
| Peripheral Emphasis | Motor Control (MC): PWM + QEI | Motor Control (MC) | Motor Control (MC) | General Purpose (GP) | Motor Control (MC) |
关键差异点
- Automotive AEC-Q100 qualification with extended -40C to +125C range （对比 DSPIC33EP64MC202-I/SO)
- Motor-control peripheral set (high-speed PWM + QEI) （对比 DSPIC33EP64GP502-E/SO)
- Tape-and-reel packaging for automated assembly （对比 DSPIC33EP64MC202-E/SO)
设计说明
The DSPIC33EP64MC202T-E/SO runs from a single 3.3V supply, with VDDCORE supplied by the internal regulator via the VCAP pin (pin 11). Use a low-ESR ceramic capacitor of the value specified in the Microchip datasheet on VCAP and place it as close to the pin as possible; undersized or high-ESR VCAP capacitance is the most common cause of brown-out or failure to start, especially at cold temperature. Decouple each VDD pin with 0.1uF in parallel with 1uF-10uF bulk, and connect AVDD to VDD through an RC or ferrite filter for analog performance.
Keep the crystal loop (OSC1/OSC2, pins 9-10) compact with guard ground, or use the internal FRC oscillator with PLL to eliminate the crystal entirely in cost-sensitive designs. Separate analog ground under AVSS/AVDD from the power ground return of PWM gate drivers; single-point star grounding near the DSC prevents switching currents from corrupting ADC readings. Peripheral Pin Select (PPS) lets you route UART/SPI pins to convenient locations, so plan routing before fixing the schematic.
MCLR (pin 1) is also the programming voltage pin - never tie it directly to VDD without a pull-up resistor (4.7k-10k) and leave access for the ICSP programmer. When migrating from DSPIC33F parts, note that the 33EP family configuration words and PPS locking scheme differ; verify CONFIG settings in code, not only in the IDE project. For automotive use, confirm the AEC-Q100 -E grade is required for your temperature environment - the cheaper -I grade fails above +85C.
Estimated: at 60 MIPS with typical I/O loading, core dissipation of this 28-SOIC DSC is on the order of 100-200 mW, so junction rise above ambient with the SOIC theta_JA of roughly 70-100 C/W is only about 7-20 C - no heatsinking is needed. However, verify against the datasheet current-consumption tables for your exact clock configuration, and derate if the device drives high capacitive loads on many I/O pins simultaneously at full clock rate.
合规信息
AEC-Q100 qualified and listed as Automotive grade per Microchip USA and Hotenda distributor data. RoHS compliance typical for current Microchip production but not explicitly stated in provided data.
