PIC24FV32KA302-E/SO - 16-bit 32KB Flash XLP MCU | Microchip
料号： PIC24FV32KA302-E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.12 | $4.12 |
| 10 | $3.71 | $37.10 |
| 100 | $3.05 | $305.00 |
| 500 | $2.65 | $1,325.00 |
| 1,000 | $2.31 | $2,310.00 |
PIC24FV32KA302-E/SO 概述
A microcontroller (MCU) is a programmable integrated circuit combining a CPU, memory (Flash/RAM/EEPROM) and peripherals on a single die. Within the product hierarchy, the PIC24FV32KA302 sits under 8/16/32-bit MCUs -> 16-bit MCUs -> PIC24F family -> XLP (eXtreme Low Power) subfamily -> power-constrained embedded systems. The 'FV' prefix denotes the wide-voltage (1.8V-5.5V) PIC24F variant, while the 'E' suffix indicates the -40C to +125C extended industrial temperature grade.
Key features include 16 MIPS performance at 32 MHz, 32 KB self-programmable Flash, a 10-channel 12-bit ADC, CTMU for capacitive touch and time measurement, five 16-bit timers, two UART/SPI/I2C™ modules, a real-time clock and calendar (RTCC) with Deep Sleep persistence, and unique peripherals like DSBOR/DSWDT that operate in Deep Sleep mode. XLP technology delivers sub-µA Deep Sleep currents and nanoWatt power management for battery-powered designs. The 28-SOIC package offers 1.27 mm pitch for hand-solderable prototyping.
The PIC24FV32KA302 architecture uses a modified Harvard CPU with 16-bit data path, single-cycle hardware multiply, and 24-bit instruction words. Deep Sleep mode with RTCC retains a calendar and wake events while consuming a few hundred nA, suiting energy-harvesting or multi-year battery designs. The CTMU enables capacitive touch sensing with no external analog components beyond the touch pad.
Typical applications include battery-operated sensor hubs, IoT edge nodes, wearable health monitors, capacitive touch user interfaces, smart thermostats, low-power metering, and remote controls. The wide 5V tolerance simplifies integration with industrial 3.3V or 5V analog sensor front-ends.
When designing, prioritize minimizing Deep Sleep current using DSBOR/DSWDT, enable RTCC for periodic wake-up, and use the CTMU for robust touch sensing with calibrated time bases.
直接替换替代料： PIC24FV32KA302-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： PIC24FV32KA302-E/SO （相同外形与封装尺寸） ——差异在于 Package, MSL Level, ADC, Program Memory (Flash), Core.
快速对比工具——选择替代料号进行并排对比：
PIC24FV32KA302-I/SO
✅ 直接替换✓ 有现货
$2.14 / 个
查看数据手册 →PIC24F32KA302-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FV32KA302-E/SS
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24FV32KA302-E/SP
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.45 / 个
查看数据手册 →PIC24FV32KA302T-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FV32KA302-E/SO 最大额定值与电气特性
| Family | PIC® XLP™ 24F |
| Core | 16-bit PIC24F modified Harvard |
| Program Memory (Flash) | 32 KB (11K x 24) |
| RAM | 2 KB |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MIPS @ 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 17 |
| ADC | 12-bit, up to 10 channels |
| CTMU | Yes (Charge Time Measurement Unit) |
| Timers | 5 x 16-bit |
| UART/SPI/I2C | 2 modules |
| RTCC | Yes, with Deep Sleep persistence |
| Comparators | 3 |
| PWM Output | Yes (OC/PWM) |
| 工作温度 | -40C to +125C (E grade) |
| 封装 | 28-SOIC (7.50 mm) |
| 安装类型 | Surface Mount |
| MSL 等级 | 1 |
| RoHS 状态 | Compliant |
PIC24FV32KA302-E/SO 引脚配置
| 引脚 1 | RA0 — I/O / AN0 / CVREF- |
| 引脚 2 | RA1 — I/O / AN1 / CVREF+ |
| 引脚 3 | RA2 — I/O / AN2 / CVREF+ / DAC1 |
| 引脚 4 | RA3 — I/O / AN3 / DAC2 |
| 引脚 5 | RA4 — I/O / AN4 / SOSCO |
| 引脚 6 | RA5 — I/O / AN5 / SOSCI |
| 引脚 7 | RA6 — I/O / OSC2 / CLKO |
| 引脚 8 | RA7 — I/O / OSC1 / CLKI |
| 引脚 9 | VSS — Ground |
| 引脚 10 | VCAP — Internal voltage regulator output capacitor |
| 引脚 11 | RB0 — I/O / PGED1 / AN6 |
| 引脚 12 | RB1 — I/O / PGEC1 / AN7 |
| 引脚 13 | RB2 — I/O / AN8 |
| 引脚 14 | RB3 — I/O / AN9 |
| 引脚 15 | RB4 — I/O / AN10 / SDA2 |
| 引脚 16 | RB5 — I/O / AN11 / SCL2 |
| 引脚 17 | RB6 — I/O / ICS_PGD2 |
| 引脚 18 | RB7 — I/O / ICS_PGC2 |
| 引脚 19 | VSS — Ground (duplicate) |
| 引脚 20 | VDD — Positive supply |
| 引脚 21 | RC0 — I/O / AN12 |
| 引脚 22 | RC1 — I/O / AN13 |
| 引脚 23 | RC2 — I/O / AN14 / CTED1 |
| 引脚 24 | RC3 — I/O / AN15 / CTED2 |
| 引脚 25 | RC4 — I/O / SDA1 |
| 引脚 26 | RC5 — I/O / SCL1 |
| 引脚 27 | RC6 — I/O / TX1 |
| 引脚 28 | RC7 — I/O / RX1 |
典型应用
PIC24FV32KA302-E/SO 适用于 6 应用s: Battery-Powered IoT Sensor Hub, Wearable Health Monitor, Capacitive Touch User Interface, Smart Thermostat / HVAC Controller, Remote Sensor / Metering Node, Industrial Control Panel with LED Indication.
Battery-Powered IoT Sensor Hub
The PIC24FV32KA302-E/SO is ideal for battery-powered IoT sensor hubs thanks to its XLP nanoWatt technology, sub-100 nA Deep Sleep current, and RTCC that persists across sleep. Its 12-bit ADC with 10 channels supports multi-sensor analog front-ends, while the CTMU enables precise time-of-flight or pulse-based measurements. The wide 1.8V-5.5V range allows direct Li-ion or 2xAA operation. Two UART/SPI/I2C modules connect to radios, sensors, or EEPROM expansion. According to the Microchip PIC24FV32KA304 family datasheet, DSBOR and DSWDT operate in Deep Sleep, providing brown-out and watchdog protection while consuming nanoamps.
推荐
Wearable Health Monitor
Wearables demand microamp-level sleep currents and compact form factors - both delivered by the PIC24FV32KA302-E/SO. The 28-SOIC package fits standard flex PCB layouts, and the RTCC enables 24/7 time-stamped activity logging. The 12-bit ADC and op-amp peripherals support heart-rate, SpO2, and galvanic skin response analog front-ends, while the CTMI measures capacitive touch for button-less user interfaces. The wide 1.8V-5.5V range simplifies single-cell Li-ion charging topologies. Per the Microchip datasheet, XLP technology enables multi-day battery life from small LiPo cells typical of fitness bands and medical patches.
推荐
Capacitive Touch User Interface
The on-chip CTMU makes the PIC24FV32KA302-E/SO a natural fit for capacitive touch interfaces - buttons, sliders, and proximity sensors - without external analog components. Five 16-bit timers drive PWM LED backlighting, the 12-bit ADC reads force or proximity analog signals, and two UART/SPI/I2C peripherals interface with host controllers. The wide 1.8V-5.5V tolerance simplifies 3.3V or 5V system integration. According to the Microchip datasheet, the CTMU combined with the nanoWatt sleep modes supports always-on wake-on-touch panels with sub-microamp quiescent current.
推荐
Smart Thermostat / HVAC Controller
Industrial thermostats benefit from the PIC24FV32KA302-E/SO's extended -40C to +125C temperature grade (E suffix) and wide 5V-tolerant I/O that interfaces directly with 24V HVAC actuator drivers. The RTCC enables 7-day programmable scheduling with battery backup, the 12-bit ADC reads multiple thermistor inputs, and PWM output drives triac-based heater control. According to the Microchip datasheet, Deep Sleep mode with RTCC and DSBOR allows wall-powered designs to recover from brown-outs automatically and resume scheduled operation after power restore.
推荐
Remote Sensor / Metering Node
Utility metering and remote sensor nodes leverage the PIC24FV32KA302-E/SO's extreme low power, EEPROM for non-volatile calibration, and 12-bit ADC for precision analog measurement. The RTCC provides time-stamped data logging and scheduled wake events, while CTMU supports pulse-counting for flow meters or rotary encoders. The wide 1.8V-5.5V range accepts energy-harvesting inputs or multi-year battery stacks. Per the Microchip PIC24FV32KA304 family datasheet, XLP technology extends battery life into the 10+ year range typical of advanced metering infrastructure.
推荐
Industrial Control Panel with LED Indication
The PIC24FV32KA302-E/SO drives multi-LED industrial control panels with PWM-dimmed indicators, UART-modbus communications to PLCs, and the 12-bit ADC for analog front-panel potentiometer inputs. Its -40C to +125C extended industrial temperature grade tolerates harsh cabinet environments, and the 5V-tolerant I/O directly interfaces with 24V industrial sensors via external resistor dividers. Per the Microchip datasheet, the RTCC enables scheduled maintenance reminders and uptime logging without external RTC chips.
推荐
推荐产品汇总
工程参考数据： PIC24FV32KA302-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 | PIC24FV32KA302-I/SO | PIC24F32KA302-E/SO | PIC24FV32KA302T-I/SO | PIC24FV32KA302-E/SS | PIC24FV32KA302-E/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) | 28-SSOP | 28-SPDIP (through-hole) |
| Flash / RAM / EEPROM | 32 KB / 2 KB / 512 B | 32 KB / 2 KB / 512 B | 32 KB / 2 KB / 512 B | 32 KB / 2 KB / 512 B | 32 KB / 2 KB / 512 B | 32 KB / 2 KB / 512 B |
| Operating Voltage | 1.8 V to 5.5 V (FV wide) | 1.8 V to 5.5 V | 1.8 V to 3.6 V (F std) | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| CPU Speed | 32 MIPS @ 32 MHz | 32 MIPS @ 32 MHz | 32 MIPS @ 32 MHz | 32 MIPS @ 32 MHz | 32 MIPS @ 32 MHz | 32 MIPS @ 32 MHz |
| Temperature Grade | -40C to +125C (E ext) | -40C to +85C (I ind) | -40C to +125C | -40C to +85C (I ind) | -40C to +125C | -40C to +125C |
| CTMU / RTCC / XLP | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
| I/O Count | 17 | 17 | 17 | 17 | 17 | 17 |
关键差异点
- Wide-voltage 5V-tolerant operation in the FV variant （对比 PIC24F32KA302-E/SO)
- Extended -40C to +125C industrial temperature grade （对比 PIC24FV32KA302-I/SO)
- CTMU on-chip for capacitive touch without external analog （对比 PIC24FV32KA302-E/SP (28-DIP variant))
设计说明
Leverage the PIC24FV32KA302-E/SO XLP features for sub-µA Deep Sleep: enable DSBOR (Deep Sleep BOR), set DSWDT (Deep Sleep WDT) and use RTCC with alarm to wake the CPU at scheduled intervals. Per the Microchip datasheet, Deep Sleep current is below 100 nA with RTCC running - this is the dominant factor for multi-year battery life on coin cells. Always power the VCAP pin with a 1 µF to 10 µF low-ESR ceramic capacitor for internal regulator stability.
Route the ICSP pins (PGED1/RB0 and PGEC1/RB1) directly to a programming header or test pad, do not share them with high-current loads. Place the VCAP bypass capacitor within 5 mm of the VCAP pin. Keep the analog AVdd/AVss rail separated from digital Vdd/Vss with a ferrite bead or inductor for best ADC accuracy - the 12-bit ADC at 32 MHz can resolve ~1 mV but is sensitive to digital switching noise on the supply.
Do not drive I/O pins above VDD + 0.3 V or below VSS - 0.3 V even when the pin is configured as input; this clamps ESD diodes and can cause latch-up. When using CTMU for capacitive touch, calibrate the time base against the system FRC and re-calibrate on significant temperature changes - reference the Microchip CTMU application notes. Do not omit the VCAP capacitor or the internal 1.8V regulator will fail to start, leaving the MCU unresponsive.
合规信息
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - select PIC24FJ or PIC24HJ automotive parts if AEC-Q100 is required. Halogen-free status not specified in the verified web data.
