PIC32CM6408MC00032T-I/PT - 48MHz Cortex-M0+ 64KB Flash MCU | Microchip
料号： PIC32CM6408MC00032T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.56 | $35.60 |
| 100 | $3.17 | $317.00 |
| 500 | $2.84 | $1,420.00 |
| 1,000 | $2.53 | $2,530.00 |
PIC32CM6408MC00032T-I/PT 概述
What is a microcontroller (MCU)? A microcontroller is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a rich set of on-chip peripherals such as timers, ADCs, communication interfaces and PWM channels. Within the embedded hierarchy, an MCU sits below microprocessors (MPUs) in integration and is the central building block of virtually every embedded product - from consumer appliances and IoT nodes to industrial automation, automotive body and motor-control modules. The PIC32CM series combines an ARM Cortex-M0+ core (a widely adopted 32-bit architecture from ARM) with Microchip's 5V-tolerant peripherals.
Key features of the PIC32CM6408MC00032T-I/PT include its motor-control PWM peripheral (designed for 3-phase field-oriented control), 12-bit ADC with up to 12 channels, multiple SERCOM-style USART/SPI/I2C serial interfaces, and 32 KB of user-configurable Flash for boot/option storage. The device's industrial-grade -40C to +85C temperature range and automotive-targeted peripherals allow it to be deployed in harsh-electrical environments where ESD and conducted noise are common. Compared to legacy PIC16/PIC24 parts, the Cortex-M0+ core offers cleaner toolchain support via GCC, IAR and Keil.
From an architectural standpoint, the PIC32CM MC family uses a Harvard bus architecture with separate code and data paths to the Flash and SRAM, plus a tightly coupled EEPROM block for non-volatile data. The motor-control PWM unit supports complementary outputs, programmable dead-time, ADC trigger, and fault inputs, allowing direct interface to a 3-phase gate driver such as the Microchip MCP8024 or dsPIC33 companion parts.
Typical applications include 3-phase BLDC/PMSM motor drives (fans, pumps, e-bikes, appliances), HVAC damper and compressor control, industrial servo and stepper control front-ends, automotive auxiliary pumps and fans, and low-cost 5V industrial sensor hubs. The wide 2.7 V to 5.5 V supply range also supports 3.3 V and 5 V mixed-signal designs without level shifters.
When designing with this MCU, ensure your PWM switching frequency and dead-time are sized to the chosen MOSFET/IGBT driver. Place the ADC sample-and-hold capacitor close to the MCU and use the dedicated analog VDD/VSS pins; the integrated Cortex-M0+ core simplifies firmware migration from other ARM parts.
This page synthesizes distributor pricing, drop-in alternatives, and practical motor-control design notes not always collected in the manufacturer datasheet.
直接替换替代料： PIC32CM6408MC00032T-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： PIC32CM6408MC00032T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, EEPROM, Package, Connectivity, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC32CM6408MC00032-I/PT
✅ 直接替换✓ 有现货
$2.18 / 个
查看数据手册 →PIC32CM6408MC00032-E/PT
✅ 直接替换✓ 有现货
$2.74 / 个
查看数据手册 →PIC32CM6408MC00032T-I/PT 最大额定值与电气特性
| Core Architecture | ARM Cortex-M0+ (32-bit) |
| Family | PIC32CM MC00 (Motor Control) |
| Maximum CPU Frequency | 48 MHz |
| Program Flash | 64 KB (64K x 8) |
| SRAM | 8 KB |
| EEPROM | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| GPIO Count | 26 |
| 封装 | 32-pin TQFP (7x7 mm) |
| 工作温度范围 | -40C to +85C (Industrial, 'I') |
| ADC | 12-bit, multiple channels |
| Motor Control PWM | Yes (3-phase, complementary outputs, programmable dead-time) |
| Communication Peripherals | SERCOM (USART/SPI/I2C), LIN-capable |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC32CM6408MC00032T-I/PT 引脚配置
| 引脚 1 | PA00 — GPIO PA00 / PWM0H |
| 引脚 2 | PA01 — GPIO PA01 / PWM0L |
| 引脚 3 | PA02 — GPIO PA02 / PWM1H |
| 引脚 4 | PA03 — GPIO PA03 / PWM1L |
| 引脚 5 | PA04 — GPIO PA04 / PWM2H |
| 引脚 6 | PA05 — GPIO PA05 / PWM2L |
| 引脚 7 | PA06 — GPIO PA06 / ANx |
| 引脚 8 | PA07 — GPIO PA07 / ANx |
| 引脚 9 | PA08 — GPIO PA08 / SERCOM |
| 引脚 10 | PA09 — GPIO PA09 / SERCOM |
| 引脚 11 | PA10 — GPIO PA10 / SERCOM |
| 引脚 12 | PA11 — GPIO PA11 / SERCOM |
| 引脚 13 | VDD — Digital supply (2.7-5.5V) |
| 引脚 14 | VSS — Digital ground |
| 引脚 15 | PA12 — GPIO PA12 / ANx |
| 引脚 16 | PA13 — GPIO PA13 / ANx |
| 引脚 17 | PA14 — GPIO PA14 / SERCOM |
| 引脚 18 | PA15 — GPIO PA15 / SERCOM |
| 引脚 19 | PA16 — GPIO PA16 / PWM3H |
| 引脚 20 | PA17 — GPIO PA17 / PWM3L |
| 引脚 21 | PA18 — GPIO PA18 / PWM4H |
| 引脚 22 | PA19 — GPIO PA19 / PWM4L |
| 引脚 23 | PA20 — GPIO PA20 / PWM5H |
| 引脚 24 | PA21 — GPIO PA21 / PWM5L |
| 引脚 25 | PA22 — GPIO PA22 / SERCOM |
| 引脚 26 | PA23 — GPIO PA23 / SERCOM |
| 引脚 27 | AVSS — Analog ground |
| 引脚 28 | AVDD — Analog supply |
| 引脚 29 | PA24 — GPIO PA24 / ANx |
| 引脚 30 | PA25 — GPIO PA25 / ANx |
| 引脚 31 | RESETn — Active-low reset input |
| 引脚 32 | VDD — Digital supply (2.7-5.5V) |
典型应用
PIC32CM6408MC00032T-I/PT 适用于 6 应用s: 3-Phase BLDC Motor Drive, HVAC Compressor and Fan Control, Industrial Servo and Stepper Front-End, Automotive Auxiliary Pumps and Fans, Low-Cost 5V Industrial Sensor Hub, Consumer Appliance Motor Control.
3-Phase BLDC Motor Drive
The PIC32CM6408MC00032T-I/PT's dedicated 3-phase motor-control PWM peripheral with complementary outputs, programmable dead-time, ADC triggering and fault inputs makes it ideal for sensorless or sensored BLDC motor drives. The 48 MHz Cortex-M0+ core executes FOC (field-oriented control) loops at switching frequencies of 20-30 kHz for small to mid-sized fans, pumps and e-bike traction motors. The 64 KB Flash holds MPLAB Harmony FOC libraries plus LIN/CAN stacks. Pair the MCU with the Microchip MCP8024 3-phase gate driver, add 10uF/0.1uF ceramic decoupling on AVDD/DVDD, and route the dedicated analog pins to current-sense amplifiers with Kelvin connection to the shunt resistors for lowest ADC noise.
推荐
HVAC Compressor and Fan Control
HVAC compressor and outdoor fan drives require an MCU tolerant of conducted electrical noise and wide temperature swings - the PIC32CM6408MC00032T-I/PT satisfies this with its 2.7-5.5V supply and -40C to +85C industrial range. The integrated 12-bit ADC samples back-EMF or shunt-current feedback for sensorless commutation, while the PWM peripheral generates 6-step trapezoidal or sinusoidal commutation at 1-20 kHz switching frequencies. Use the dedicated analog VDD/VSS pins and place a 100nF NPO capacitor close to the AVDD pin for clean ADC conversions in electrically noisy HVAC environments.
推荐
Industrial Servo and Stepper Front-End
For industrial stepper and brushed-DC servo front-ends, the PIC32CM6408MC00032T-I/PT provides 26 GPIO for limit-switch, encoder and H-bridge interface signals, plus SERCOM-style USART/SPI/I2C ports for host PLC or HMI communication. The 64 KB Flash supports microstepping ramps and S-curve profiles, while the 48 MHz Cortex-M0+ computes trajectories at 1-10 kHz rate. The wide 5V supply tolerates 24V industrial backplanes with appropriate buck regulation. The device's LIN-capable UART eases integration with industrial sensor-actuator fieldbus nodes.
推荐
Automotive Auxiliary Pumps and Fans
The PIC32CM6408MC00032T-I/PT is used in 12V automotive auxiliary water pumps, oil pumps and cooling fans where a small Cortex-M0+ MCU with integrated motor-control PWM replaces a discrete gate-driver + MCU architecture. The device runs directly from a 5V post-regulator on the 12V battery rail, communicating via LIN with the vehicle BCM. For AEC-Q100 qualified automotive deployments, the PIC32CM automotive grade variants are recommended instead - the I/PT grade shown here targets industrial and consumer applications rather than full automotive qualification.
推荐
Low-Cost 5V Industrial Sensor Hub
Industrial sensor hubs and remote I/O nodes use the PIC32CM6408MC00032T-I/PT as a 5V-tolerant Cortex-M0+ controller that aggregates analog and digital sensors and forwards data over RS-485, CAN or LIN. The 12-bit ADC reads up to 12 analog channels, the SERCOM peripherals drive SPI sensors and I2C devices, and the 26 GPIO expand the hub beyond typical 8-bit PIC16 designs. With 64 KB Flash, the MCU holds Modbus RTU or CANopen slave stacks plus customer application logic.
推荐
Consumer Appliance Motor Control
Consumer washing-machine drain pumps, dishwasher circulation pumps and refrigerator compressor boards use the PIC32CM6408MC00032T-I/PT for variable-speed BLDC or PMSM motor control, replacing mechanical relays with electronic commutation. The 5V-tolerant design and integrated motor-control PWM shorten BOM cost and PCB area, while the Cortex-M0+ core runs the same Harmony FOC libraries used in higher-end appliances. Pair the MCU with a low-cost 3-phase gate driver and an onboard 5V LDO from a 12-24V rectified AC input.
推荐
推荐产品汇总
工程参考数据： PIC32CM6408MC00032T-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 | PIC32CM6408MC00032-I/PT | PIC32CM6408MC00032-E/PT | PIC32CM1216MC00032T-E/RTB |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-VQFN (5x5 mm) - DIFFERENT footprint |
| Core / Max Frequency | Cortex-M0+ / 48 MHz | Cortex-M0+ / 48 MHz | Cortex-M0+ / 48 MHz | Cortex-M0+ / 48 MHz |
| Flash / SRAM / EEPROM | 64 KB / 8 KB / 2 KB | 64 KB / 8 KB / 2 KB | 64 KB / 8 KB / 2 KB | 128 KB / 16 KB / 2 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Packaging Medium | Tape & Reel (T) | Tray (no T) | Tray (no T) | Tape & Reel (T) |
| Motor-Control PWM | Yes (3-phase) | Yes (3-phase) | Yes (3-phase) | Yes (3-phase) |
| RoHS / Lead-Free | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
关键差异点
- Dedicated 3-phase motor-control PWM peripheral （对比 PIC32CM1216MC00032T-E/RTB)
- Lower-cost Tape and Reel delivery （对比 PIC32CM6408MC00032-I/PT (Tray))
- Wider Flash/RAM than competing Cortex-M0+ parts （对比 PIC32CM1216MC00032T-E/RTB)
设计说明
Place a 10uF ceramic + 100nF NPO/COG bypass capacitor pair within 3 mm of the VDD pin and a separate pair on the AVDD analog supply pin. Use a star-ground topology connecting AVSS and VSS at a single point near the MCU. Route analog ADC traces (current-shunt sense, back-EMF) over a continuous ground plane and away from PWM switching traces to minimize coupling noise. Estimated: with 10uF/100nF decoupling, the VDD rail ripple stays under 30 mVpp at 200 mA load steps typical of motor-control firmware.
The 32-pin TQFP package dissipates < 200 mW in typical motor-control firmware, well within the -40C to +85C industrial range without a heatsink. However, at 48 MHz CPU clock with all peripherals active, core supply current can reach 25 mA - confirm your 5V LDO can supply 100 mA peak including gate-driver current. Estimated: junction temperature rise above ambient ~ 8 C/W x 0.2 W = 1.6 C, negligible in normal operation.
Do not exceed 5.5 V on VDD or apply reverse polarity - the PIC32CM MC00 lacks internal reverse-battery protection. Use an external TVS diode (e.g., SMBJ5.0A) and Schottky reverse-polarity diode on the 12 V supply input for automotive robustness. Configure unused GPIO as outputs (not inputs) to avoid floating-pin shoot-through current. The MCP8024 companion gate driver should share the same 5V LDO as the MCU's DVDD to ensure logic-level compatibility.
合规信息
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the I/PT grade is industrial, not automotive. Choose automotive-grade PIC32CM variants if AEC-Q100 is required.
