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HomeProductsRF/IF and RFIDRF Transceiver ICsSI4455-B1A-FMR
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SI4455-B1A-FMR - Silicon Labs

Manufacturer Part Number
SI4455-B1A-FMR
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-SI4455-B1A-FMR
ECAD Model
Parts Description
IC RF TXRX ISM<1GHZ 20VFQFN
Package
20-VFQFN Exposed Pad
Data sheet
Si4355/4455 Programming Guide.pdf
Si4455 Data Short.pdf
Si4455 Datasheet.pdf
RoHs Status
RoHS Compliant
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Specifications

SI4455-B1A-FMR Tech Specifications
Silicon Labs - SI4455-B1A-FMR technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - SI4455-B1A-FMR

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply 1.8V ~ 3.6V  
Type TxRx Only  
Supplier Device Package 20-QFN (3x3)  
Series -  
Serial Interfaces SPI  
Sensitivity -116dBm  
RF Family/Standard General ISM < 1GHz  
Protocol -  
Power - Output 13dBm (Max)  
Package / Case 20-VFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation FSK, GFSK, OOK  
Memory Size -  
GPIO 4  
Frequency 283MHz ~ 960MHz  
Data Rate (Max) 500kbps  
Current - Transmitting 18mA ~ 30mA  
Current - Receiving 10mA  
Base Product Number SI4455  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

SI4455-B1A-FMR

Manufacturer

Energy Micro (Silicon Labs)

Introduction

RF transceiver IC for ISM band applications

Product Features and Performance

Frequency range: 283MHz 960MHz

Operating temperature: -40°C to 85°C

Supply voltage: 1.8V to 3.6V

Transmit current: 18mA to 30mA

Receive current: 10mA

Output power: Up to 13dBm

Data rate: Up to 500kbps

Sensitivity: -116dBm

Modulation: FSK, GFSK, OOK

4 GPIO pins

Product Advantages

Broad frequency coverage for various ISM band applications

Low power consumption in both transmit and receive modes

High output power and sensitivity for reliable wireless communication

Flexible modulation options to support different protocols

Key Technical Parameters

Frequency range: 283MHz 960MHz

Operating temperature: -40°C to 85°C

Supply voltage: 1.8V to 3.6V

Transmit current: 18mA to 30mA

Receive current: 10mA

Output power: Up to 13dBm

Data rate: Up to 500kbps

Sensitivity: -116dBm

Modulation: FSK, GFSK, OOK

4 GPIO pins

Quality and Safety Features

RoHS compliant

20-QFN (3x3) package

Compatibility

Surface mount device

Suitable for a variety of ISM band applications

Application Areas

Wireless sensor networks

Home automation

Industrial control systems

Telemetry and remote monitoring

Wireless security systems

Product Lifecycle

Currently in active production

Replacements and upgrades may be available in the future

Key Reasons to Choose This Product

Broad frequency coverage for versatile ISM band applications

Low power consumption for battery-powered devices

High output power and sensitivity for reliable wireless communication

Flexible modulation options to support different protocols

RoHS compliance for environmental sustainability

Availability in a compact surface mount package

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs SI4455-B1A-FMR

Product Attribute SI4455-B1A-FMR SI4455-C2A-GM SI4455-C2A-GMR SI4451DY-T1-E3
Part Number SI4455-B1A-FMR SI4455-C2A-GM SI4455-C2A-GMR SI4451DY-T1-E3
Manufacturer Silicon Labs Silicon Labs Silicon Labs Vishay Siliconix
Modulation FSK, GFSK, OOK FSK, GFSK, OOK FSK, GFSK, OOK -
Protocol - - - -
Current - Receiving 10mA 10.9mA 10.9mA -
Package Tape & Reel (TR) Tray Tape & Reel (TR) Tape & Reel (TR)
Voltage - Supply 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V -
RF Family/Standard General ISM < 1GHz General ISM < 1GHz General ISM < 1GHz -
Base Product Number SI4455 SI4455 SI4455 SI4451
GPIO 4 4 4 -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Series - - - TrenchFET®
Supplier Device Package 20-QFN (3x3) 20-QFN (3x3) 20-QFN (3x3) 8-SOIC
Memory Size - - - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -55°C ~ 150°C (TJ)
Power - Output 13dBm (Max) 13dBm (Max) 13dBm -
Current - Transmitting 18mA ~ 30mA 19mA ~ 24mA 19mA ~ 24mA -
Data Rate (Max) 500kbps 500kbps 500kbps -
Sensitivity -116dBm -115dBm -115dBm -
Serial Interfaces SPI SPI SPI -
Frequency 283MHz ~ 960MHz 284MHz ~ 960MHz 284MHz ~ 960MHz -
Type TxRx Only TxRx Only TxRx Only -
Package / Case 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 8-SOIC (0.154", 3.90mm Width)

SI4455-B1A-FMR Datasheet PDF

Download SI4455-B1A-FMR pdf datasheets and Silicon Labs documentation for SI4455-B1A-FMR - Silicon Labs.

PCN Packaging
Labeling Change 14/Dec/2021.pdf Mult Dev Label Chgs 20/Oct/2021.pdf
PCN Assembly/Origin
Site Change 18/Jan/2022.pdf
HTML Datasheet
Si4355/4455 Programming Guide.pdf Si4455 Data Short.pdf Si4455 Datasheet.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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SI4455-B1A-FMR Image

SI4455-B1A-FMR

Silicon Labs
32D-SI4455-B1A-FMR

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