The PIC16F15344-I/SS is an 8-bit XLP ultra-low-power MCU launched by Microchip, featuring a 20-pin SSOP package. It operates at a maximum frequency of 32 MHz, with 7 KB of Flash memory, 512 B of RAM and 17-channel 10-bit ADC, and integrates EUSART/I2C/SPI communication interfaces. Supporting a wide voltage range of 2.3 V to 5.5 V, its core applications focus on low-power and analog/digital hybrid control scenarios, detailed as follows:
Core Application Fields
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Consumer Electronics & Smart Home
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Small Appliance Control: Applicable to coffee machines, humidifiers, fans, etc. It collects temperature/humidity data via ADC and achieves precise speed regulation and constant temperature control with PWM. The XLP low-power feature is ideal for battery-powered devices and standby requirements.
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Smart Sensor Nodes: Compatible with wireless sensors for temperature, humidity, illumination, etc. It connects to sensors via I2C/SPI and uploads data through EUSART, supporting ultra-low-power sleep mode (current as low as nA level) to extend battery life.
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Remote Controls & Human-Machine Interaction: Drives infrared transmitting/receiving modules, processes key input, and supports multi-protocol encoding, suitable for remote control scenarios of household appliances such as TVs and air conditioners.
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Industrial Sensing & Control
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Process Monitoring Instruments: Collects industrial parameters such as pressure, flow rate and liquid level. The 10-bit ADC ensures data accuracy, and it connects to displays via SPI interface to realize real-time on-site data display and alarm output.
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Motor & Pump Control: Implements speed and direction control of small DC motors/stepper motors through PWM modules, and monitors current to achieve overload protection, suitable for light-duty industrial equipment in textile and packaging industries.
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Security & Access Control Terminals: Controls electromagnetic locks and card readers, connects to encryption chips via I2C, supports identity verification and record storage, and is applicable to access management scenarios in factories and residential communities.
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Medical & Health Devices
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Portable Monitoring Instruments: Such as oximeters and heart rate monitors. The low-power design is suitable for battery-powered supply. The ADC collects biological signals and EUSART transmits data to the host, ensuring long-term continuous monitoring.
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Physical Therapy & Rehabilitation Equipment: Controls low-frequency pulse and heating modules, adjusts output power via PWM, and meets the safety control requirements of small household physiotherapy instruments.
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Medical Consumable Control: Auxiliary control for insulin pumps and infusion pumps, monitors flow rate and pressure to achieve precise drug delivery and abnormal alarm, improving the safety of use.
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Automotive Electronics & On-Board Devices
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On-Board Auxiliary Control: Such as window lifting, seat adjustment and headlight brightness adjustment. It drives relays/motors via GPIO and monitors current to prevent overload, compatible with 12 V on-board power supply.
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Tire Pressure Monitoring System (TPMS) Sensors: Collects tire pressure and temperature data. The low-power mode extends the battery life of sensors, and it realizes wireless data transmission by connecting to RF modules via SPI.
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On-Board Diagnostics (OBD) Accessories: Reads on-board CAN bus data through EUSART, parses parameters such as vehicle speed and fuel consumption, and is suitable for the low-cost design of portable OBD diagnostic tools.
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Internet of Things (IoT) & Edge Nodes
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Smart Home Gateway Expansion: Serves as a sub-node controller to connect devices such as smart locks and curtains, and communicates with the main gateway via RS-485 or wireless modules to achieve linkage control of devices.
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Energy Monitoring Modules: Collects voltage and current data of solar panels and small inverters, calculates power generation, and uploads data to the cloud via low-power communication, suitable for distributed energy monitoring scenarios.
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Asset Tracking Tags: Integrates low-power Bluetooth/BLE modules, collects voltage via ADC to achieve positioning and power monitoring, and is applicable to asset tracking needs in logistics and warehousing.
Application Advantages
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Ultra-Low Power Consumption: XLP technology supports multiple sleep modes, ideal for battery-powered and long-term operation devices, reducing power supply and maintenance costs.
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High Analog Integration: 17-channel ADC plus multi-channel PWM eliminates the need for additional analog components, simplifies BOM, and is suitable for multi-parameter collection and closed-loop control scenarios.
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Flexible Communication Capability: Full coverage of EUSART/I2C/SPI interfaces enables seamless connection with sensors, displays and communication modules, shortening the development cycle of IoT terminals.