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LED1642GWXTTR Datasheet(PDF) 15 Page - STMicroelectronics

No. de pieza LED1642GWXTTR
Descripción Electrónicos  16 channel LED driver with error detection current gain control
PDF  42 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED1642GWXTTR Datasheet(HTML) 15 Page - STMicroelectronics

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DocID024395 Rev 6
15/42
LED1642GW
Simplified internal block diagram
42
6
Simplified internal block diagram
Figure 6. LED1642GW simplified block diagram
6.1
Equivalent circuits of inputs and outputs
LE and PWCLK input terminals have pull-down and pull-up connection respectively. CLK
and SDI must be connected to the external circuit to fix the logic level.
Figure 7. Input and output equivalent circuits
AM13691V1
UVLO
& POR
Configuration
register
Channel driver
Timing control
Turn ON/OFF
Gradual delay
Current gain
adjustment
SDI
CLK
LE
VDD
GND
R-EXT
SDO
OUT0
OUT1
OUT2
OUT14
OUT15
PWM
counter
PWCLK
Thermal
shutdown
Current
Ref.
Control Logic &
Data Registers
Error
detection
AM13692V1
PWCLK terminal
LE terminal
CLK, SDI terminal
SDO terminal



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