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E-STE12PS 데이터시트(PDF) 2 Page - STMicroelectronics

부품명 E-STE12PS
상세설명  12 channel integrated PSE line manager
Download  44 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

E-STE12PS 데이터시트(HTML) 2 Page - STMicroelectronics

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Contents
STE12PS
2/44
Contents
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2
Detection and classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.1
Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.2
Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2.3
Detection and classification FSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3
Power ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.3.1
Under load (disconnection) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.3.2
Short circuit, overload and overcurrent . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3.3
Thermal monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.4
Internal 3.3V/10V generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.5
Logic interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.6
6MHz clock generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.7
Smart-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.8
Power boost mode - 30W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.8.1
Four channels in Auto mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.8.2
Six channels in Manual mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.9
Measurement and parameter codings . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4
I2C interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5
I2C slave protocol overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.1
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2
Error cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.3
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.4
I2C device address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.5
Register addressing: write command format . . . . . . . . . . . . . . . . . . . . . . 28
5.6
Register addressing: read command format . . . . . . . . . . . . . . . . . . . . . . 29
5.7
Parallel monitoring interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30


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