SI4432-B1-FM - Silicon Labs

Manufacturer Part Number

SI4432-B1-FM

Manufacturer

Energy Micro (Silicon Labs)

Introduction

Highly integrated, low-power, high-performance RF transceiver IC operating in the 240-930 MHz frequency range. Ideal for a wide range of wireless applications.

Product Features and Performance

Operates in the 240-930 MHz frequency range

Configurable output power up to 20 dBm

Highly sensitive receiver with -121 dBm sensitivity

Data rates up to 256 kbps

Supports multiple modulation schemes: FSK, GFSK, OOK

Low current consumption: 18.5 mA in receive mode, 85 mA in transmit mode

Wide supply voltage range of 1.8 V to 3.6 V

-40°C to 85°C operating temperature range

3 general-purpose I/O pins

Product Advantages

Highly integrated design for reduced BOM and board space

Excellent RF performance for reliable wireless communication

Ultra-low power consumption for battery-powered applications

Configurable to support a wide range of wireless protocols and standards

Key Technical Parameters

Frequency range: 240 MHz to 930 MHz

Output power: Up to 20 dBm

Receiver sensitivity: -121 dBm

Data rate: Up to 256 kbps

Supply voltage: 1.8 V to 3.6 V

Operating temperature: -40°C to 85°C

Quality and Safety Features

RoHS compliant

20-QFN (4x4) package with exposed pad for improved thermal performance

Compatibility

Suitable for a wide range of wireless applications in the ISM frequency bands

Application Areas

Wireless sensor networks

Home automation and control systems

Industrial monitoring and control

Alarm and security systems

Wireless metering

Remote control and keyless entry systems

Product Lifecycle

This product is currently in active production and is not nearing discontinuation.

Replacements and upgrades may be available in the future as the technology evolves.

Key Reasons to Choose This Product

Excellent RF performance and configurability for reliable wireless communication

Ultra-low power consumption for battery-powered applications

Highly integrated design for reduced BOM and board space

Wide operating temperature range and RoHS compliance for industrial and harsh environments

Supported by a broad ecosystem of development tools and software from Energy Micro (Silicon Labs)