EFM8BB31F16I-B-5QFN32 Tech Specifications
Silicon Labs - EFM8BB31F16I-B-5QFN32 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - EFM8BB31F16I-B-5QFN32

Product Attribute	Attribute Value
Manufacturer	Energy Micro (Silicon Labs)
Voltage - Supply (Vcc/Vdd)	2.2V ~ 3.6V
Supplier Device Package	32-QFN (5x5)
Speed	50MHz
Series	Busy Bee
RAM Size	2.25K x 8
Program Memory Type	FLASH
Program Memory Size	16KB (16K x 8)
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Package / Case	32-WFQFN Exposed Pad
Package	Tube

Product Attribute	Attribute Value
Oscillator Type	Internal
Operating Temperature	-40°C ~ 125°C (TA)
Number of I/O	29
Mounting Type	Surface Mount
EEPROM Size	-
Data Converters	A/D 20x10/12b SAR; D/A 2x12b
Core Size	8-Bit
Core Processor	CIP-51 8051
Connectivity	I²C, SMBus, SPI, UART/USART
Base Product Number	EFM8BB31

Parts Introduction

Manufacturer Part Number

EFM8BB31F16I-B-5QFN32

Manufacturer

silicon-labs

Introduction

The EFM8BB31F16I-B-5QFN32 is a member of the Busy Bee family of embedded microcontrollers from Silicon Labs. It features an 8-bit CIP-51 8051 core, offering a powerful and versatile platform for a wide range of applications.

Product Features and Performance

50MHz clock speed for efficient processing

16KB of FLASH program memory

25KB of RAM for data storage

Integrated peripherals including I2C, SMBus, SPI, UART/USART, Brown-out Detect/Reset, POR, PWM, and Watchdog Timer

20x 10/12-bit SAR ADCs and 2x 12-bit DACs for analog signal processing

Internal oscillator for easy system integration

Product Advantages

Compact 32-pin QFN package with exposed pad for efficient thermal management

Wide operating voltage range of 2.2V to 3.6V for flexibility in power supply design

Extended operating temperature range of -40°C to 125°C for use in harsh environments

Comprehensive peripheral set for diverse application requirements

Key Reasons to Choose This Product

Robust 8-bit CIP-51 8051 core for reliable and efficient performance

Flexible connectivity options with I2C, SMBus, SPI, and UART/USART interfaces

Integrated analog peripherals for seamless integration of sensor and control functions

Low power consumption for battery-powered or energy-efficient designs

Proven reliability and long-term availability from a trusted semiconductor manufacturer

Quality and Safety Features

Designed and manufactured to the highest quality standards

Rigorous testing and validation to ensure reliable operation

Integrated safety features like Brown-out Detect/Reset and Watchdog Timer for robust system operation

Compatibility

The EFM8BB31F16I-B-5QFN32 is compatible with other members of the Busy Bee family of microcontrollers, allowing for easy system scalability and design flexibility.

Application Areas

Industrial automation and control

Home and building automation

Portable electronics and wearables

Sensor and measurement systems

Motor control and power management

Product Lifecycle

The EFM8BB31F16I-B-5QFN32 is an obsolete product, meaning it is no longer in active production. However, Silicon Labs may have equivalent or alternative models available. Customers are advised to contact our website's sales team for more information on current product offerings and availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs EFM8BB31F16I-B-5QFN32

Product Attribute
Part Number	EFM8BB31F16I-B-5QFN32	EFM8BB21F16G-C-QSOP24	EFM8BB31F16G-B-QFN32	EFM8BB31F16I-B-QFN32
Manufacturer	Silicon Labs	Silicon Labs	Silicon Labs	Silicon Labs
Package / Case	32-WFQFN Exposed Pad	24-SSOP (0.154', 3.90mm Width)	32-UFQFN Exposed Pad	32-UFQFN Exposed Pad
Series	Busy Bee	Busy Bee	Busy Bee	Busy Bee
Speed	50MHz	50MHz	50MHz	50MHz
Program Memory Type	FLASH	FLASH	FLASH	FLASH
Base Product Number	EFM8BB31	EFM8BB21	EFM8BB31	EFM8BB31
Number of I/O	29	21	29	29
Oscillator Type	Internal	Internal	Internal	Internal
Supplier Device Package	32-QFN (5x5)	24-QSOP	32-QFN (4x4)	32-QFN (4x4)
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, POR, PWM, WDT
Data Converters	A/D 20x10/12b SAR; D/A 2x12b	A/D 20x12b	A/D 20x10/12b SAR; D/A 2x12b	A/D 20x10/12b SAR; D/A 2x12b
RAM Size	2.25K x 8	2.25K x 8	2.25K x 8	2.25K x 8
Voltage - Supply (Vcc/Vdd)	2.2V ~ 3.6V	2.2V ~ 3.6V	2.2V ~ 3.6V	2.2V ~ 3.6V
EEPROM Size	-	-	-	-
Program Memory Size	16KB (16K x 8)	16KB (16K x 8)	16KB (16K x 8)	16KB (16K x 8)
Core Size	8-Bit	8-Bit	8-Bit	8-Bit
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package	Tube	Tube	Tray	Tube
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TA)
Core Processor	CIP-51 8051	CIP-51 8051	CIP-51 8051	CIP-51 8051
Connectivity	I²C, SMBus, SPI, UART/USART	I²C, SMBus, SPI, UART/USART	I²C, SMBus, SPI, UART/USART	I²C, SMBus, SPI, UART/USART

EFM8BB31F16I-B-5QFN32 Datasheet PDF

Download EFM8BB31F16I-B-5QFN32 pdf datasheets and Silicon Labs documentation for EFM8BB31F16I-B-5QFN32 - Silicon Labs.

Datasheets: EFM8BB3 Datasheet.pdf
PCN Obsolescence/ EOL: DK OBS NOTICE.pdf
PCN Packaging: Labeling Change 14/Dec/2021.pdf Mult Dev Label Chgs 20/Oct/2021.pdf

Customers Also Interested in

Recommended Products

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

Use your express account for shipment if you have one.
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

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	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 -

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone
+00852 9146 4856
Email
info@allelco.com

Certifications & Memberships