SI4455DY-T1-GE3

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SI4455DY-T1-GE3

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MOSFET P-CH 150V 2A 8SO

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series TrenchFET®
Part Status Active
FET Type P-Channel
Technology MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss) 150 V
Current - Continuous Drain(Id) @ 25°C 2A (Ta)
Drive Voltage(Max Rds On Min Rds On) 6V, 10V
Rds On(Max) @ Id Vgs 295mOhm @ 4A, 10V
Vgs(th)(Max) @ Id 4V @ 250µA
Gate Charge(Qg)(Max) @ Vgs 42 nC @ 10 V
Vgs(Max) ±20V
Input Capacitance(Ciss)(Max) @ Vds 1190 pF @ 50 V
Power Dissipation (Max) 5.9W (Tc)
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount
Supplier Device Package 8-SOIC

Visão Geral

Description

The SI4455DY-T1-GE3 is a high-performance RF transceiver IC from Silicon Labs (now part of Skyworks Solutions). Designed for sub-GHz wireless applications, it operates in the 315–915 MHz range, supporting FSK, GFSK, OOK, and ASK modulation schemes.
Key features include:
- Low power consumption (ideal for battery-operated devices).
- High sensitivity (-121 dBm at 1.2 kbps).
- Programmable output power up to +20 dBm.
- Integrated packet handling and AES-128 encryption.
It’s commonly used in IoT, smart meters, home automation, and industrial wireless systems. The DY-T1-GE3 variant comes in a compact 8-pin SOIC package, making it suitable for space-constrained designs.
For detailed specs, refer to the datasheet or manufacturer documentation.

Equivalent

Equivalent products to the SI4455DY-T1-GE3 (RF transceiver) include:
- CC1101 (Texas Instruments)
- NRF24L01+ (Nordic Semiconductor)
- SX1276 (Semtech)
- RFM69HCW (HopeRF)
- A7105 (Airoha)
These alternatives offer similar RF functionality (sub-GHz, ISM band) but vary in frequency range, power, and protocol support. Check datasheets for exact compatibility.

Pinout

The SI4455DY-T1-GE3 is a 20-pin RF transceiver IC designed for sub-GHz wireless communication (240–960 MHz). Key functions include:
- RF Transceiver: Supports FSK, GFSK, OOK modulation.
- Low Power: Optimized for battery-operated devices.
- SPI Interface: For configuration and data transfer.
- Integrated Features: PA (up to +20 dBm), LNA, and frequency synthesizer.
- GPIO Pins: Configurable for control/status signals.
Pins include VDD (power), GND, antenna I/O (RF_N, RF_P), SPI (SCLK, SDI, SDO, nSEL), and GPIOs.
Package: 3x3mm QFN-20.

Application

The SI4455DY-T1-GE3 is a sub-GHz RF transceiver IC primarily used in:
- Wireless Sensor Networks (WSNs)
- Smart Home & IoT Devices (e.g., lighting, security)
- Industrial Automation (remote monitoring, control)
- Metering Systems (smart water/gas/electricity meters)
- Automotive Telematics (keyless entry, tire pressure monitoring)
- Medical Wearables (low-power health monitoring)
It operates in the 315–915 MHz range, offering low power consumption, high sensitivity, and robust performance for short-to-medium-range wireless communication. Ideal for battery-powered and LPWAN applications.

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