PIC24F08KL402-E/ML - 16-bit 32MHz MCU, 8KB Flash, 28-QFN | Microchip
料号： PIC24F08KL402-E/ML ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.4 | $2.40 |
| 10 | $2.16 | $21.60 |
| 100 | $1.92 | $192.00 |
| 500 | $1.71 | $855.00 |
| 1,000 | $1.52 | $1,520.00 |
PIC24F08KL402-E/ML 概述
What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU, memory (Flash for program code, RAM for data, EEPROM for non-volatile storage), and peripherals on one die. A 16-bit MCU like the PIC24F processes data 16 bits at a time, sitting between 8-bit MCUs (PIC10/12/16/18) and 32-bit MCUs (PIC32, ARM Cortex-M) in both price and performance. The PIC24F family is optimized for low power consumption while delivering computational headroom above 8-bit parts.
Key features of the PIC24F08KL402 include nanoWatt XLP technology for sleep currents in the nanoampere range, 12-channel 10-bit ADC for sensor acquisition, dual op-amps and comparators for analog signal conditioning, plus MSSP (I2C/SPI) and CCP/ECCP peripherals borrowed from the PIC18 family to ease migration. The 28-QFN package with exposed thermal pad offers a compact 6x6 mm footprint suitable for space-constrained designs.
Technically, the part runs from a wide 1.8V to 3.6V supply, supports up to 16 MIPS throughput, and provides multiple low-power modes (Sleep, Deep Sleep, Retention) controlled via the on-chip RTCC and deep-draw hardware. The peripheral set is intentionally minimalist but flexible, allowing developers to scale functionality without jumping to larger flash densities.
Typical applications include battery-powered sensor nodes, wearable health monitors, consumer remote controls, home automation endpoints, and low-cost industrial control front-ends. Its combination of PIC18-compatible peripherals with PIC24-class CPU throughput makes it well suited as a migration target from 8-bit designs that have outgrown their original MCU. When designing with this part, plan pin assignments carefully since the 28-QFN variant has fewer I/O pins than 28-SOIC/SPDIP equivalents - verify your I/O budget against the datasheet pin table before committing to the PCB layout.
直接替换替代料： PIC24F08KL402-E/ML ——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： PIC24F08KL402-E/ML （相同外形与封装尺寸） ——差异在于 ADC, Package, Operating Temperature, Core Architecture, Data SRAM.
快速对比工具——选择替代料号进行并排对比：
PIC24F08KL402-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.25 / 个
查看数据手册 →PIC24F08KL401-E/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24F08KL302-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.45 / 个
查看数据手册 →PIC24F08KA102-E/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.76 / 个
查看数据手册 →PIC24F08KL200-E/ML
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24F08KL402-E/ML 最大额定值与电气特性
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 8 KB (2.75K x 24 words) |
| Data SRAM | 1 KB |
| Data EEPROM | 512 B |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 10-bit, 12 channels |
| Op-Amps / Comparators | Yes (on-chip) |
| Communication Peripherals | MSSP (I2C/SPI), UART |
| Capture/Compare/PWM | CCP/ECCP |
| Low-Power Technology | nanoWatt XLP |
| 封装 | 28-QFN (6x6 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +125C (E suffix, extended) |
| RoHS 状态 | Compliant |
PIC24F08KL402-E/ML 引脚配置
| 引脚 1 | RA0 — I/O / analog input |
| 引脚 2 | RA1 — I/O / analog input |
| 引脚 3 | RA2 — I/O / analog input |
| 引脚 4 | RA3 — I/O / analog input |
| 引脚 5 | VDD — Positive supply voltage |
| 引脚 6 | VSS — Ground reference |
| 引脚 7 | OSCI — Crystal oscillator input |
| 引脚 8 | OSCO — Crystal oscillator output |
| 引脚 9 | RB0 — I/O port B bit 0 |
| 引脚 10 | RB1 — I/O port B bit 1 |
| 引脚 11 | RB2 — I/O port B bit 2 |
| 引脚 12 | RB3 — I/O port B bit 3 |
| 引脚 13 | RB4 — I/O port B bit 4 / SDA |
| 引脚 14 | RB5 — I/O port B bit 5 / SCL |
| 引脚 15 | RB6 — I/O port B bit 6 / PGC |
| 引脚 16 | RB7 — I/O port B bit 7 / PGD |
| 引脚 17 | RC0 — I/O port C bit 0 |
| 引脚 18 | RC1 — I/O port C bit 1 |
| 引脚 19 | RC2 — I/O port C bit 2 |
| 引脚 20 | RC3 — I/O port C bit 3 |
| 引脚 21 | RC4 — I/O port C bit 4 |
| 引脚 22 | RC5 — I/O port C bit 5 |
| 引脚 23 | RC6 — I/O port C bit 6 / TX |
| 引脚 24 | RC7 — I/O port C bit 7 / RX |
| 引脚 25 | MCLR — Master clear / reset (active low) |
| 引脚 26 | RA4 — I/O / analog input |
| 引脚 27 | RA5 — I/O / analog input |
| 引脚 28 | EP — Exposed thermal pad (connect to VSS) |
典型应用
PIC24F08KL402-E/ML 适用于 6 应用s: Battery-Powered IoT Sensor Nodes, Wearable Health and Fitness Devices, Consumer Remote Controls and HID Devices, Home Automation and Smart Home Endpoints, Low-Cost Industrial Control Front-Ends, Migration from PIC18 Designs.
Battery-Powered IoT Sensor Nodes
The PIC24F08KL402-E/ML is ideal for battery-powered IoT sensor nodes thanks to its nanoWatt XLP technology, which delivers deep-sleep currents in the nanoampere range and extends coin-cell battery life to multi-year durations. The wide 1.8 V to 3.6 V supply range supports direct connection to single-cell lithium or two-AA alkaline battery stacks without external regulation. The integrated 10-bit 12-channel ADC and on-chip op-amps simplify direct sensor interfacing for temperature, humidity, and analog front-end signals, reducing external component count and PCB area in space-constrained wireless sensor designs.
推荐
Wearable Health and Fitness Devices
Wearable health monitors benefit from the PIC24F08KL402-E/ML's combination of low power, 16 MIPS throughput, and on-chip analog peripherals. The 10-bit ADC captures heart-rate and motion sensor data while the on-chip op-amps condition photoplethysmography (PPG) signals directly, eliminating external amplifier stages. Sleep currents in the nanoampere range mean a small Li-ion battery can sustain weeks of continuous monitoring. The 6x6 mm 28-QFN footprint fits comfortably inside wristband and patch form factors where PCB area is at a premium.
推荐
Consumer Remote Controls and HID Devices
The PIC24F08KL402-E/ML suits consumer remote control and Human Interface Device (HID) designs where battery life, low BOM cost, and reliable IR/RF communication are priorities. Its MSSP (I2C/SPI) peripheral interfaces directly with low-power RF transceivers, while the UART supports IR or BLE link layers. nanoWatt XLP allows the device to spend >99 percent of its time in deep sleep, waking only on a button interrupt - extending AAA battery life to several years and reducing end-user battery replacement frequency.
推荐
Home Automation and Smart Home Endpoints
Smart home endpoints such as battery-powered door/window sensors, smart thermostats, and occupancy detectors use the PIC24F08KL402-E/ML to balance low-power sleep operation with enough CPU throughput to run communication stacks. The 1.8 V to 3.6 V supply range supports direct battery operation, while the on-chip 10-bit ADC reads temperature, light, and motion sensors without external components. CCP/ECCP peripherals can drive PWM-controlled LED indicators or simple buzzer alarms for local user feedback in residential automation systems.
推荐
Low-Cost Industrial Control Front-Ends
Industrial sensor interfaces and small PLC-style front-end modules use the PIC24F08KL402-E/ML to provide analog signal conditioning and digital I/O in a single chip. The on-chip op-amps and comparators handle 4-20 mA current loop inputs or thermistor/resistive sensor bridges, while MSSP interfaces to digital isolators or local HMI displays. The -40C to +125C extended temperature rating allows deployment in factory environments without additional thermal management. The 32 MHz core executes deterministic control loops within tight timing margins.
推荐
Migration from PIC18 Designs
Engineers migrating from 8-bit PIC18 designs to 16-bit benefit from the PIC24F08KL402-E/ML because it retains PIC18-compatible MSSP (I2C/SPI) and CCP/ECCP peripherals while doubling CPU throughput at the same clock frequency. This allows existing firmware to be ported with minimal peripheral driver rework while gaining access to 16-bit arithmetic, larger addressing space, and nanoWatt XLP low-power modes. The 28-QFN package drop-in compatibility with several PIC18F and PIC24F variants simplifies PCB reuse during product family transitions.
推荐
推荐产品汇总
工程参考数据： PIC24F08KL402-E/ML ——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 | PIC24F08KL402-I/ML | PIC24F08KL401-E/ML | PIC24F08KL302-I/ML | PIC24F08KA102-E/ML | PIC24F08KL200-E/ML |
|---|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| EEPROM | 512 B | 512 B | 512 B | 512 B | 512 B | 512 B |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
关键差异点
- Extended temperature range up to +125C （对比 PIC24F08KL402-I/ML)
- Larger 28-QFN package with maximum I/O count （对比 PIC24F08KL401-E/ML)
- Balanced 8 KB Flash + 1 KB RAM + 512 B EEPROM partition （对比 PIC24F08KL200-E/ML)
设计说明
The 28-QFN (6x6 mm) package has an exposed thermal pad (EP) on pin 28 that must be soldered to a PCB land pattern and connected to VSS for proper thermal and electrical performance. Failing to solder the EP can result in higher junction temperatures and reduced electrical reliability. Provide at least 4 thermal vias in the EP land pattern to dissipate heat into internal ground planes, especially in applications with sustained ADC or op-amp operation.
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin and a bulk 1-10 uF capacitor nearby. For nanoWatt XLP sleep current measurements, the bulk capacitor must be sized so its leakage does not exceed the MCU sleep current budget (typically a few hundred nA). Use low-leakage ceramic capacitors (C0G/NP0) for best sleep performance.
Route the crystal oscillator traces (OSCI/OSCO) as short as possible, keep them away from switching signals, and surround them with a ground pour. If using an external clock source instead of a crystal, drive OSCI and leave OSCO floating per datasheet. The MCLR pin requires a 10 kohm pull-up to VDD for normal operation; do not leave MCLR floating or the MCU may enter unintended reset states.
Do not exceed the absolute maximum VDD rating of 4.0 V (per datasheet) or the device may suffer permanent damage. When programming in low-voltage (LVP) mode, ensure the PGC/PGD pins (RB6/RB7) are not loaded by external circuitry that prevents proper ICSP communication. Always read the device ID before issuing bulk erase to avoid accidentally erasing a different MCU sharing the same ICSP bus.
合规信息
RoHS compliant per Microchip product page. Industrial/consumer grade - not AEC-Q100 qualified; for automotive applications select a PIC24F part with the -VAO suffix or consult Microchip's automotive-grade portfolio.
