LC709203FQH-01TWG(2015) View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

LC709203FQH-01TWG
(Rev.:2015)

Smart LiB Gauge Battery Fuel Gauge LSI for 1-Cell Lithium-ion (Li+)

ON Semiconductor 

LC709203F

I2C Communication Protocol

Communication protocol type : I2C

Frequency : Supported up to 400kHz

IC address [Slave Address] : 0x16 (It becomes "0001011X" when you write a binary, because the slave address is 7 bits. [X]=Rd/Wr.)

Bus Protocols

S

:

Sr

:

Rd

:

Wr

:

A

:

N

:

P

:

CRC-8

:

:

:

…

:

Start Condition

Repeated Start Condition

Read (bit value of 1)

Write (bit value of 0)

ACK (bit value of 0)

NACK (bit value of 1)

Stop Condition

Slave Address to Last Data (CRC-8-ATM : ex.3778mV : 0x16, 0x09, 0x17, 0xC2, 0x0E  0x86)

Master-to-Slave

Slave-to-Master

Continuation of protocol

Read Word Protocol

S

Slave Address

Wr A

Command Code

A…

Sr

Slave Address

Rd A

Data Byte Low

A

Data Byte High

…

A

CRC-8

N

P

* When you do not read CRC-8, there is not the reliability of data. CRC-8-ATM ex : (5 bytes) 0x16, 0x09, 0x17, 0xC2, 0x0E  0x86

Write Word Protocol

S

Slave Address

Wr A

Command Code

A…

Data Byte Low

A

Data Byte High

A

CRC-8

* When you do not add CRC-8, the Written data (Data byte Low/High) become invalid.

CRC-8-ATM ex : (4 bytes) 0x16, 0x09, 0x55, 0xAA  0x3B

A

P

www.onsemi.com

8

Share Link: