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STP1612PW05 Datasheet(PDF) 24 Page - STMicroelectronics

Part # STP1612PW05
Description  16-channel LED driver with 16-bit PWM, 8-bit gain and full LED error detection
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STP1612PW05 Datasheet(HTML) 24 Page - STMicroelectronics

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Time-out alert of GCLK disconnection
STP1612PW05
24/35
Doc ID 15819 Rev 4
15
Time-out alert of GCLK disconnection
When the PWCLK signal is disconnected for around 1 second, all output ports will be turned
off automatically. This function will protect the LED display system from staying ON
indefinitely and prevent excessive current from damaging the power system. The default is
set to ‘enable” when bit “0” is 0. When the PWCLK is active again and new serial data are
moved in, the driver resumes to work after resetting the internal counters and comparators.
Figure 14.
Time-out alert application scheme
PWCLK
500K
STP1612PW05
STP1612PW05
STP1612PW05
STP1612PW05



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