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STC3105IQT 데이터시트(PDF) 2 Page - STMicroelectronics

부품명 STC3105IQT
상세설명  Battery monitor IC with alarm output for gas gauge applications
Download  23 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STC3105IQT 데이터시트(HTML) 2 Page - STMicroelectronics

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Contents
STC3105
2/23
Doc ID 022198 Rev 1
Contents
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 5
4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.1
Battery monitoring functions and operating modes . . . . . . . . . . . . . . . . . 10
6.2
Battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.3
Current sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.4
Coulomb counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.5
Alarm output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.6
Battery voltage relaxation timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.7
Timing diagram in run mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7I2C interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.1
Read and write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.2
Register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.1
TDFN8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22


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