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LED1642GWXTTR Datasheet(PDF) 2 Page - STMicroelectronics

Part # LED1642GWXTTR
Description  16 channel LED driver with error detection current gain control
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED1642GWXTTR Datasheet(HTML) 2 Page - STMicroelectronics

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Contents
LED1642GW
2/42
DocID024395 Rev 6
Contents
1
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3
Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5
Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6
Simplified internal block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1
Equivalent circuits of inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . . . 15
7
Digital blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
Configuration register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.1
Gain control (from CFG 0 to 5) and current ranges (CFG- 6) . . . . . . . . . 19
8.2
Error detection mode (CFG-7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.3
Error detection conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
8.4
Auto-wakeup/auto power shutdown (CFG-10) . . . . . . . . . . . . . . . . . . . . . 24
8.5
Programmable turn-on/turn-off time (CFG-11/12) . . . . . . . . . . . . . . . . . . 24
8.6
SDO delay (CFG-13) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
8.7
Gradual output delay (CFG-14) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.8
PWM counter setting and brightness register (CFG-15) . . . . . . . . . . . . . 27
9
Thermal flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10
Dropout voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30



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