PIC24F04KL100-E/ST - 16-bit 32MHz 4KB Flash MCU | Microchip
料号： PIC24F04KL100-E/ST ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.56 | $1.56 |
| 10 | $1.42 | $14.20 |
| 100 | $1.18 | $118.00 |
| 500 | $0.98 | $490.00 |
| 1,000 | $0.85 | $850.00 |
| 3,000 | $0.72 | $2,160.00 |
PIC24F04KL100-E/ST 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals into one device. The 16-bit PIC24F architecture sits within Microchip's broader taxonomy of MCU -> 16-bit MCU -> PIC24F family -> low-power PIC microcontroller, sharing peripheral IP with PIC18 devices to simplify migration. This positioning makes the PIC24F04KL100 a bridge between 8-bit and 32-bit worlds, offering higher computational throughput than PIC18 without the cost or complexity of a Cortex-M0 design.
Key features include 4KB Flash (1.375K x 24 instruction words), 512B SRAM, 10-bit ADC, multiple 16-bit timers, MSSP for I2C/SPI, a Capture/Compare/PWM (CCP) peripheral, and nanoWatt XLP sleep modes that can drop current consumption into the nanoampere range. The 14-pin TSSOP package reduces board area to approximately 4.4mm wide, making it well suited for space-constrained consumer, industrial sensor, and IoT edge-node designs.
The 16 MIPS performance enables basic signal processing, sensor fusion, and protocol bridging in real time. The wide 2.0V–3.6V supply range supports battery-powered applications and direct connection to single-cell Li-ion or two-AA battery stacks. Internal 8 MHz and 32 kHz oscillators, plus PLL-based 32 MHz operation, give designers flexibility in balancing performance versus current consumption.
Typical applications include low-power IoT sensor nodes, battery-powered remote controls, consumer appliance control boards, industrial sensor interfaces, and cost-sensitive HVAC or home-automation edge modules. The combination of 16 MIPS throughput with deep-sleep nanoamp currents suits devices that wake briefly to take a measurement and return to sleep.
Designers should plan for an external decoupling capacitor array near VDD/VCAP pins, route the MCLR line with a short trace and proper pull-up, and reserve the ICSP programming footprint for in-circuit programming and debug via the PGEDx/PGECx pair. The 14-pin TSSOP footprint requires careful pin assignment for analog and digital signals.
This page synthesizes distributor pricing, cross-reference alternatives, and practical design notes not found in the standalone manufacturer datasheet, including expanded application scenarios and reference design recommendations.
直接替换替代料： PIC24F04KL100-E/ST ——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： PIC24F04KL100-E/ST （相同外形与封装尺寸） ——差异在于 Package, Timers, ADC, Communication, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC24F04KL100-I/ST
✅ 直接替换📋 参考替代料（不在目录中）
PIC24F04KL100-E/P
✅ 直接替换✓ 有现货
$1.38 / 个
查看数据手册 →PIC24F04KA200-I/ST
✅ 直接替换✓ 有现货
$1.42 / 个
查看数据手册 →PIC24F04KA200T-I/ST
✅ 直接替换✓ 有现货
$1.99 / 个
查看数据手册 →PIC24F04KA201-I/SO
✅ 直接替换✓ 有现货
$1.78 / 个
查看数据手册 →PIC24F04KA201-I/SS
✅ 直接替换✓ 有现货
$1.67 / 个
查看数据手册 →PIC24F04KL100-E/ST 最大额定值与电气特性
| Core Architecture | PIC24F (16-bit) |
| CPU Speed | 32 MHz / 16 MIPS |
| Program Memory | 4 KB Flash (1.375K x 24 words) |
| Data Memory (SRAM) | 512 B |
| Operating Voltage | 2.0 V to 3.6 V |
| 工作温度 | -40 °C to +125 °C |
| 封装 | 14-pin TSSOP (4.4 mm width) |
| 安装类型 | Surface Mount |
| ADC | 10-bit |
| Timers | 16-bit x multiple |
| Communication | MSSP (I2C/SPI), UART |
| CCP (Capture/Compare/PWM) | Yes |
| Low Power | nanoWatt XLP technology |
| Internal Oscillator | 8 MHz and 32 kHz |
| PLL | Yes (4x, 8x selectable) |
| RoHS 状态 | Compliant |
PIC24F04KL100-E/ST 引脚配置
| 引脚 1 | VDD — Positive supply voltage (2.0-3.6V) |
| 引脚 2 | RA0/OSC2/CLKO — GPIO/oscillator output/clock output (alternate function) |
| 引脚 3 | RA1/OSC1/CLKI — GPIO/oscillator input/clock input (alternate function) |
| 引脚 4 | RA2/PGED1/SDA1 — GPIO/programming data/I2C data (alternate function) |
| 引脚 5 | RA3/PGEC1/SCL1 — GPIO/programming clock/I2C clock (alternate function) |
| 引脚 6 | RA4/SOSCI — GPIO/secondary oscillator input (alternate function) |
| 引脚 7 | RA5/SOSCO — GPIO/secondary oscillator output (alternate function) |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | RB0/AN0/C1IN+ — GPIO/analog input 0/comparator input (alternate function) |
| 引脚 10 | RB1/AN1/C1IN-/C2IN- — GPIO/analog input 1/comparator input (alternate function) |
| 引脚 11 | RB2/AN2/C1OUT — GPIO/analog input 2/comparator output (alternate function) |
| 引脚 12 | RB3/AN3/C2OUT — GPIO/analog input 3/comparator output (alternate function) |
| 引脚 13 | RB4/AN4/C2IN+/CCP1 — GPIO/analog input 4/comparator/PWM (alternate function) |
| 引脚 14 | MCLR/VPP/RA7 — Master clear reset (active low)/programming voltage/GPIO (alternate function) |
典型应用
PIC24F04KL100-E/ST 适用于 6 应用s: Low-Power IoT Sensor Nodes, Battery-Powered Remote Controls, Consumer Appliance Control Boards, Industrial Sensor Interface Modules, HVAC and Home Automation Edge Modules, Cost-Sensitive LED Lighting Controllers.
Low-Power IoT Sensor Nodes
The PIC24F04KL100-E/ST is ideal for battery-powered IoT sensor nodes requiring 16 MIPS compute throughput and nanoWatt XLP deep-sleep currents. The 4 KB Flash fits small sensor-reading and BLE/Zigbee bridge firmware; the 10-bit ADC handles temperature, humidity, and analog sensor interfaces directly. Operating from 2.0-3.6V allows direct connection to single-cell Li-ion or 2xAA battery stacks without a boost converter. The 32 kHz internal oscillator enables RTC-based duty cycling for multi-year battery life. Combined with MSSP (I2C/SPI) for sensor and radio communication, and CCP for PWM-driven actuators, this MCU is a strong fit for IoT edge nodes that wake briefly to take a measurement and return to nanoamp sleep. The 14-pin TSSOP minimizes board area in compact wireless sensor designs.
推荐
Battery-Powered Remote Controls
Handheld remote controls demand long battery life, low cost, and responsive button scanning. The PIC24F04KL100-E/ST's nanoWatt XLP technology drops sleep current into the nanoampere range, enabling coin-cell battery life exceeding 2-3 years. The 32 MHz / 16 MIPS core executes IR protocol encoding (RC5, NEC, SIRC) in real time without timing jitter. MSSP (SPI) can drive an LED indicator or display, while CCP generates the 38 kHz carrier for IR transmission. The 14-pin TSSOP package fits behind a button matrix PCB, leaving room for the battery and IR LED. Operating voltage down to 2.0V supports direct connection to CR2032 coin cells, simplifying the BOM and lowering end-product cost compared to Cortex-M0+ designs that often require a voltage supervisor.
推荐
Consumer Appliance Control Boards
Appliance control boards (coffee makers, toasters, washing machines) need a low-cost MCU that can drive relays, read thermistors, and run user-interface logic. The PIC24F04KL100-E/ST provides 16 MIPS for state-machine control and PWM-driven heating element regulation via CCP. The 10-bit ADC reads NTC thermistors for temperature feedback, while MSSP (I2C) interfaces with segment displays or EEPROM for user presets. The wide -40°C to +125°C extended operating temperature handles under-hood or near-heating-element mounting. The 14-pin TSSOP footprint simplifies layout in compact appliance enclosures. Compared to discrete logic designs, this MCU integrates timing, ADC, and communication in a single chip, reducing BOM cost and PCB area for cost-sensitive consumer appliances.
推荐
Industrial Sensor Interface Modules
Industrial 4-20 mA loop-powered sensor transmitters require a low-power MCU with ADC, serial communication, and extended temperature operation. The PIC24F04KL100-E/ST's 2.0-3.6V supply range and nanoWatt XLP enable operation directly from a 4-20 mA loop with minimal voltage drop. The 10-bit ADC digitizes sensor signals with adequate resolution for process control, while MSSP (SPI) interfaces with 4-20 mA DAC chips. The -40°C to +125°C extended temperature rating meets industrial outdoor and factory-floor requirements. The 32 MHz core runs Modbus RTU protocol stacks for fieldbus communication, while 512 B RAM holds communication buffers. The 14-pin TSSOP enables compact DIN-rail or field-mount transmitter enclosures with minimal PCB footprint.
推荐
HVAC and Home Automation Edge Modules
Smart thermostats and HVAC zone controllers need an MCU that can read multiple temperature sensors, drive TRIACs, and run wireless protocols. The PIC24F04KL100-E/ST provides the 16 MIPS throughput for PID loop control of heating/cooling systems while consuming minimal standby power. The 10-bit ADC reads multiple thermistor inputs for multi-zone temperature sensing, and CCP generates PWM for TRIAC phase-angle control of AC loads. MSSP (I2C) interfaces with non-volatile memory for user settings, while UART connects to Wi-Fi or sub-GHz radio modules for cloud connectivity. The extended -40°C to +125°C temperature rating ensures reliability in equipment closets and outdoor HVAC units. The compact 14-pin TSSOP fits behind wall-mount thermostat faceplates.
推荐
Cost-Sensitive LED Lighting Controllers
LED drivers and dimmer controllers require PWM generation, ADC for light-sensor feedback, and serial interfaces for DMX or DALI protocols. The PIC24F04KL100-E/ST's CCP peripheral generates high-resolution PWM for constant-current LED dimming down to 1% without flicker. The 10-bit ADC reads ambient light sensors for daylight harvesting control loops. MSSP supports DMX512 or DALI communication via UART or SPI mode. Operating from 2.0-3.6V allows direct connection to 3.3V LED driver rails without level shifting. The 16 MIPS core handles closed-loop brightness control in real time. The 14-pin TSSOP package is small enough for in-fixture integration, and nanoWatt XLP modes enable battery-backed emergency-lighting variants that run for years on a single cell.
推荐
推荐产品汇总
工程参考数据： PIC24F04KL100-E/ST ——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 | PIC24F04KL100-I/ST | PIC24F04KL100-E/P | PIC24F04KA200-I/ST | PIC24F04KA200T-I/ST | PIC24F04KA201-I/SO |
|---|---|---|---|---|---|---|
| Package | 14-TSSOP | 14-TSSOP - same | 14-DIP - different footprint | 14-TSSOP - same | 14-TSSOP - same | 20-SOIC - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | PIC24F (16-bit) | PIC24F (16-bit) | PIC24F (16-bit) | PIC24F (16-bit) | PIC24F (16-bit) | PIC24F (16-bit) |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Program Memory (Flash) | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| SRAM | 512 B | 512 B | 512 B | 512 B | 512 B | 512 B |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
关键差异点
- Extended -40C to +125C temperature grade in 14-pin TSSOP （对比 PIC24F04KL100-I/ST)
- Highest MIPS-per-dollar in 14-TSSOP PIC24F family （对比 PIC24F04KA200-I/ST)
- True drop-in replacement path within same family （对比 PIC24F04KA201-I/SO)
设计说明
The PIC24F04KL100-E/ST requires a 0.1uF ceramic decoupling capacitor placed within 5mm of the VDD pin (pin 1) and a bulk capacitor (1uF-10uF) at the supply rail. For battery applications using MCP1700 LDO, add a 1uF input/output capacitor per the LDO datasheet. Enable the internal voltage regulator configuration by tying VCAP to VSS through a 10uF ceramic capacitor. The nanoWatt XLP sleep modes require the VREG to remain enabled to achieve sub-microamp currents - verify sleep current on the bench.
Route the MCLR line (pin 14) with a short trace to a pull-up resistor (typically 10k) and a 100nF capacitor to ground for in-circuit programming noise immunity. Reserve a 2x5 or 1x6 programming header footprint for ICSP via PGED1 (pin 4) and PGEC1 (pin 5) to allow field firmware updates. Keep analog signals (AN0-AN4) on RB0-RB4 physically separated from digital switching signals and away from the oscillator traces to minimize ADC noise coupling.
The 14-pin TSSOP package has limited I/O (approximately 10 usable GPIO); designers must plan pin multiplexing carefully when using both analog inputs and digital peripherals. The internal 8 MHz oscillator has a +/-2% accuracy over temperature - for UART communication, use the PLL with an external crystal or accept the baud-rate error. Avoid exceeding 3.6V on any pin including MCLR; use a TVS diode or resistor-clamp on externally accessible pins to prevent ESD damage. Do not enable peripherals without first clearing the corresponding interrupt flag, or the first interrupt event may be missed.
The PIC24F04KL100-E/ST is rated for -40C to +125C junction temperature. In the 14-pin TSSOP package, theta_JA is approximately 100 C/W with minimal copper; with 1 square inch of copper pour, this drops to 50-60 C/W. For continuous operation near 32 MHz with multiple peripherals active, the core current is approximately 8-10 mA - at 3.3V this is 26-33 mW, well within thermal limits. Verify your specific PCB layout meets thermal requirements when used in sealed enclosures.
合规信息
RoHS compliant per Microchip product page. Lead-free and halogen-free per Microchip packaging specifications. Not AEC-Q100 qualified - this is a general-purpose MCU, not an automotive-grade part.
