PIC24EP256MC204T-I/TL - 70 MIPS 16-bit MCU, 256KB Flash, Motor Control
料号： PIC24EP256MC204T-I/TL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.92 | $8.92 |
| 10 | $8.03 | $80.30 |
| 100 | $7.14 | $714.00 |
| 500 | $6.43 | $3,215.00 |
| 1,000 | $5.85 | $5,850.00 |
PIC24EP256MC204T-I/TL 概述
A 16-bit microcontroller (MCU) is a single-chip computer optimized for embedded real-time control. It belongs to the microcontroller family, which sits within the broader class of microprocessors and embedded computing devices. Compared with 8-bit MCUs, 16-bit cores offer higher instruction throughput, larger linear address spaces, and DSP-class arithmetic that are essential for closed-loop motor control, audio processing, and power conversion. The PIC24EP256MC204T-I/TL is part of the PIC24EP "Motor Control" sub-family, which adds dedicated peripherals for field-oriented control (FOC) and high-frequency PWM generation beyond general-purpose GPIO control.
Key features include a 70 MIPS core at 60 MHz system clock, dedicated Motor Control PWM (MCPWM) with up to 14 PWM channels, a 12-bit ADC with up to 9 analog channels at 1.1 Msps, on-chip operational amplifiers for current sensing, a Quadrature Encoder Interface (QEI), and communication peripherals including I2C, SPI, UART/USART, IrDA, and LINbus. An integrated Peripheral Trigger Generator (PTG) and Charge Time Measurement Unit (CTMU) provide deterministic hardware sequencing for advanced motor control loops and capacitive touch sensing.
The device supports 3.0V to 3.6V single-supply operation and an industrial -40C to +85C temperature range, with on-chip voltage regulation and brown-out reset. The integrated op-amps, comparators, and high-resolution PWM allow direct interfacing to FOC three-phase inverter stages without external analog front-end circuitry, reducing PCB footprint and BOM cost in BLDC, PMSM, and ACIM drive designs.
Typical applications include sensorless and sensored BLDC/PMSM motor drives, industrial servo controllers, HVAC fan and pump controllers, robotic actuators, and field-oriented control inverters. The wide peripheral set also suits general-purpose 16-bit embedded platforms for industrial automation, lighting control, and power-conversion applications.
When designing with the PIC24EP256MC204T-I/TL, place the 44-VTLA exposed thermal pad with a continuous copper pour on the top layer to meet thermal and electrical return requirements, and follow the Microchip datasheet layout guideline for analog VDD/VSS separation. Use the MPLAB XC16 compiler and MPLAB X IDE for code development, and the MPLAB ICD 3 or MPLAB PICkit 4 for in-circuit debug.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not always found in the manufacturer datasheet.
直接替换替代料： PIC24EP256MC204T-I/TL ——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： PIC24EP256MC204T-I/TL （相同外形与封装尺寸） ——差异在于 ADC, Package, Operating Temperature, Core Architecture, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC24EP256MC204T-I/MV
✅ 直接替换✓ 有现货
$4.1 / 个
查看数据手册 →PIC24EP256MC204-I/TL
✅ 直接替换📋 参考替代料（不在目录中）
PIC24EP256GP204T-I/TL
✅ 直接替换✓ 有现货
$4.8 / 个
查看数据手册 →PIC24EP256MC204T-I/TL 最大额定值与电气特性
| Core Architecture | PIC24E (16-bit Harvard, modified) |
| Core Performance | 70 MIPS |
| System Clock Speed | 60 MHz |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| Data Memory (SRAM) | 32 KB |
| ADC | 10-bit/12-bit, up to 9 channels |
| Motor Control PWM (MCPWM) | Yes, dedicated peripheral |
| Quadrature Encoder Interface (QEI) | Yes |
| On-chip Operational Amplifiers | Yes |
| 电源电压 | 3.0 V to 3.6 V |
| 工作温度范围 | -40 C to +85 C (Industrial) |
| 封装 | 44-VTLA (6x6 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Communication Peripherals | I2C, IrDA, LINbus, SPI, UART/USART |
| RoHS 状态 | Compliant |
PIC24EP256MC204T-I/TL 引脚配置
| 引脚 1 | RP15/RB15 — Remappable I/O / general purpose |
| 引脚 2 | RP14/RB14 — Remappable I/O / general purpose |
| 引脚 3 | RP13/RB13 — Remappable I/O / general purpose |
| 引脚 4 | RP12/RB12 — Remappable I/O / general purpose |
| 引脚 5 | AVDD — Analog supply voltage |
| 引脚 6 | AVSS — Analog ground |
| 引脚 7 | AN0/RA0 — Analog input / general purpose I/O |
| 引脚 8 | AN1/RA1 — Analog input / general purpose I/O |
| 引脚 9 | AN2/RA2 — Analog input / general purpose I/O |
| 引脚 10 | AN3/RA3 — Analog input / general purpose I/O |
| 引脚 11 | AN4/RA4 — Analog input / general purpose I/O |
| 引脚 12 | AN5/RA5 — Analog input / general purpose I/O |
| 引脚 13 | VREF+/VREF- — ADC voltage reference pins |
| 引脚 14 | VDD — Digital supply voltage |
| 引脚 15 | VSS — Digital ground |
| 引脚 16 | OSC1/CLKI — Crystal oscillator input |
| 引脚 17 | OSC2/CLKO — Crystal oscillator output |
| 引脚 18 | PGED1 — ICSP programming data |
| 引脚 19 | PGEC1 — ICSP programming clock |
| 引脚 20 | PWM1H — Motor Control PWM output high |
| 引脚 21 | PWM1L — Motor Control PWM output low |
| 引脚 22 | PWM2H — Motor Control PWM output high |
| 引脚 23 | PWM2L — Motor Control PWM output low |
| 引脚 24 | PWM3H — Motor Control PWM output high |
| 引脚 25 | PWM3L — Motor Control PWM output low |
| 引脚 26 | QEA/RA8 — Quadrature encoder input A / GPIO |
| 引脚 27 | QEB/RA9 — Quadrature encoder input B / GPIO |
| 引脚 28 | INDX/RA10 — Quadrature index input / GPIO |
| 引脚 29 | SCL1/RG2 — I2C clock / GPIO |
| 引脚 30 | SDA1/RG3 — I2C data / GPIO |
| 引脚 31 | U1TX/RF0 — UART transmit / GPIO |
| 引脚 32 | U1RX/RF1 — UART receive / GPIO |
| 引脚 33 | SCK1/RF6 — SPI clock / GPIO |
| 引脚 34 | SDI1/RF7 — SPI data in / GPIO |
| 引脚 35 | SDO1/RF8 — SPI data out / GPIO |
| 引脚 36 | RP0/RB0 — Remappable I/O / general purpose |
| 引脚 37 | RP1/RB1 — Remappable I/O / general purpose |
| 引脚 38 | RP2/RB2 — Remappable I/O / general purpose |
| 引脚 39 | RP3/RB3 — Remappable I/O / general purpose |
| 引脚 40 | RP4/RB4 — Remappable I/O / general purpose |
| 引脚 41 | RP5/RB5 — Remappable I/O / general purpose |
| 引脚 42 | RP6/RB6 — Remappable I/O / general purpose |
| 引脚 43 | RP7/RB7 — Remappable I/O / general purpose |
| 引脚 44 | RP8/RB8 — Remappable I/O / general purpose |
典型应用
PIC24EP256MC204T-I/TL 适用于 6 应用s: Sensorless BLDC / PMSM Motor Drive, Sensored Servo / Robotic Actuator, HVAC Fan / Pump Variable-Frequency Drive, Power Conversion / Solar Inverter Control, Industrial Lighting / LED Driver Control, Industrial Automation / PLC Logic Controller.
Sensorless BLDC / PMSM Motor Drive
The PIC24EP256MC204T-I/TL is purpose-built for sensorless field-oriented control of three-phase BLDC and PMSM motors in industrial drives. Its dedicated MCPWM peripheral generates complementary 3-phase PWM with dead-band insertion, while the on-chip 12-bit ADC at 1.1 Msps samples phase currents synchronously to the PWM switching event via the Peripheral Trigger Generator (PTG). The integrated on-chip op-amps condition shunt-resistor signals directly, eliminating external amplifiers. With 256 KB of flash, the device holds sensorless observer tables (Sliding-Mode Estimator or MRAS) plus state-machine code for start-up alignment and back-EMF detection. Compared with a discrete MCU plus external gate driver, this integrated approach reduces PCB area by approximately 40% and BOM cost by 20-25% in 24V/48V drives up to a few hundred watts.
推荐
Sensored Servo / Robotic Actuator
Industrial servo controllers and robotic actuator joints use the PIC24EP256MC204T-I/TL's Quadrature Encoder Interface (QEI) for real-time shaft-position tracking at the 60 MHz system clock. The QEI hardware off-loads position counting from the CPU, leaving MIPS headroom for cascaded PI current/vision loops. The 32 KB SRAM accommodates position trajectories, filter coefficients, and a small stack for real-time OS kernels. The MCPWM outputs drive three-phase IGBT or MOSFET stages with sub-microsecond dead-band control. Operating temperature range of -40 C to +85 C supports industrial cabinet and robot-arm environments. Compared with entry-level Cortex-M0 parts, this PIC24EP device offers 4-8x more MIPS for the same power consumption, enabling higher servo bandwidth and smoother motion profiles.
推荐
HVAC Fan / Pump Variable-Frequency Drive
Variable-frequency drives for HVAC fans and circulation pumps use the PIC24EP256MC204T-I/TL to implement closed-loop V/f and FOC algorithms on single- or three-phase induction and BLDC motors. The 256 KB flash accommodates application-specific control firmware and safety state machines, while the 32 KB RAM is sufficient for ADC buffers, PLL state, and a small RTOS. The wide supply-voltage tolerance and integrated brown-out reset simplify 24V industrial bus power designs. On-chip op-amps interface directly to DC-bus and shunt current sensors, reducing analog front-end cost. The MCPWM handles 3-phase complementary outputs with programmable dead time and fault inputs, meeting IEC 61800 safety requirements when combined with external gate drivers and isolation.
推荐
Power Conversion / Solar Inverter Control
Solar micro-inverters and DC-DC converters use the PIC24EP256MC204T-I/TL for MPPT (Maximum Power Point Tracking) and grid-synchronization control loops. The 70 MIPS PIC24E core runs MPPT algorithms (Perturb-and-Observe or Incremental Conductance) while simultaneously managing grid-current waveform shaping. The MCPWM generates the high-frequency inverter switching signals with hardware fault inputs for over-current protection. The 12-bit ADC with multiple channels monitors PV input voltage, output current, and grid voltage for islanding detection. The 256 KB flash allows storage of multiple MPPT tables, grid-code profiles, and telemetry logs for O&M diagnostics. Compared with general-purpose MCUs, this PIC24EP variant saves development time with hardware dedicated to switch-mode power conversion.
推荐
Industrial Lighting / LED Driver Control
High-power industrial LED luminaires and stage lighting fixtures use the PIC24EP256MC204T-I/TL to generate high-resolution dimming PWM signals and manage multi-channel LED drivers. The MCPWM outputs drive external buck or boost LED driver stages, while the 12-bit ADC monitors LED current, board temperature, and supply voltage for closed-loop dimming and thermal foldback. The 32 KB SRAM holds DMX-512 or DALI command buffers and color-mixing look-up tables for stage fixtures. Compared with simple 8-bit MCUs, this PIC24EP device supports complex lighting protocols and adaptive thermal management in a single chip. The exposed thermal pad on the 44-VTLA package aids heat dissipation in enclosed luminaire designs.
推荐
Industrial Automation / PLC Logic Controller
Distributed I/O modules, programmable logic controllers, and industrial sensors use the PIC24EP256MC204T-I/TL as a 16-bit logic processor with on-chip ADC and fieldbus peripherals. The integrated UART/USART, SPI, and I2C interfaces support Modbus RTU, RS-485, and IO-Link sensor communications without external transceivers (an external transceiver IC is still required for the physical layer). The 256 KB flash accommodates IEC 61131-3 runtime libraries or customer-specific ladder logic, and the 32 KB SRAM buffers I/O scan tables. With -40 C to +85 C industrial temperature range, the device is suited for factory-floor cabinets. The PIC24E core executes deterministic control loops in single-cycle instructions, simplifying PLC cycle-time analysis.
推荐
推荐产品汇总
工程参考数据： PIC24EP256MC204T-I/TL ——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 | PIC24EP256MC204T-I/MV | PIC24EP256MC204-I/TL | PIC24EP256GP204T-I/TL |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB |
| Core Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Motor Control PWM (MCPWM) | Yes | Yes | Yes | No (general-purpose variant) |
| Quadrature Encoder Interface (QEI) | Yes | Yes | Yes | No |
| On-chip Op-Amps | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
关键差异点
- Dedicated MCPWM and QEI hardware for FOC （对比 PIC24EP256GP204T-I/TL)
- 256 KB flash in 44-VTLA vs 128 KB in equivalent TQFP parts （对比 PIC24EP128MC204T-I/PT)
- On-chip op-amps reduce external BOM （对比 PIC24EP256MC204-I/PT (TQFP-44))
设计说明
The 44-VTLA package features an exposed thermal pad on the underside that MUST be soldered to a continuous copper pour on the top layer, electrically tied to VSS, to meet thermal and electrical return requirements. Follow the Microchip recommended land pattern in the package outline drawing, and use vias in the thermal pad to connect to internal ground planes for improved heat dissipation in motor-control applications where PWM switching losses raise MCU junction temperature.
Decouple VDD with a 10 uF bulk capacitor and a 0.1 uF ceramic capacitor placed within 3 mm of the VDD pin; place a separate 0.1 uF capacitor on AVDD to isolate analog supply noise from digital switching. The on-chip voltage regulator requires its own external decoupling. A ferrite bead or small inductor between VDD and AVDD is recommended when ADC accuracy matters in motor-current sensing applications. Maintain 3.0 V to 3.6 V supply range; brown-out reset (BOR) protects against low-voltage lockups.
Route PWM output traces with short, matched lengths to the gate-driver inputs to minimize switching skew across the three phases. Keep analog op-amp input traces (current-shunt signals) away from PWM switching traces, using a ground guard ring around the analog inputs to reduce capacitive coupling. Place the ICSP programming header footprint (PGED1/PGEC1/MCLR) accessible on the PCB for in-field firmware updates, even on space-constrained layouts. Always include a pull-up resistor on MCLR to VDD for normal operation.
Estimated: when migrating from PIC24EP256GP204T-I/TL to PIC24EP256MC204T-I/TL, verify that the firmware uses the MCPWM and QEI peripherals available only on the MC variant. Do not assume general-purpose CCP/OC modules can replace MCPWM hardware triggers; re-architect the trigger source in PTG and ADC configuration. When migrating to PIC24EP128MC204 variants, confirm that the application fits within 128 KB flash and 16 KB SRAM - bootloader and application code combined often exceed this budget.
合规信息
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature range, not AEC-Q100 qualified - choose dsPIC33EP automotive variants for vehicular motor-control applications. Conflict-minerals status reported by Microchip as compliant per their CMRT filings.
