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LED7708 数据表(PDF) 3 Page - STMicroelectronics

部件名 LED7708
功能描述  16 channels x 85 mA LED driver with boost controller and 4-wire serial interface
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LED7708 数据表(HTML) 3 Page - STMicroelectronics

  LED7708 Datasheet HTML 1Page - STMicroelectronics LED7708 Datasheet HTML 2Page - STMicroelectronics LED7708 Datasheet HTML 3Page - STMicroelectronics LED7708 Datasheet HTML 4Page - STMicroelectronics LED7708 Datasheet HTML 5Page - STMicroelectronics LED7708 Datasheet HTML 6Page - STMicroelectronics LED7708 Datasheet HTML 7Page - STMicroelectronics LED7708 Datasheet HTML 8Page - STMicroelectronics LED7708 Datasheet HTML 9Page - STMicroelectronics Next Button
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LED7708
Contents
Doc ID 022698 Rev 1
3/53
8.5.10
CHSTA register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.5.11
Internal registers initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
8.6
Dimming options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.6.1
Internal dimming oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.6.2
Dimming waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.6.3
Grayscale synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
8.7
Fault management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.7.1
Overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.7.2
Overtemperature alert and thermal protection . . . . . . . . . . . . . . . . . . . . 44
8.7.3
Overcurrent protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8.7.4
LED short-circuit and open channel faults . . . . . . . . . . . . . . . . . . . . . . . 44
8.8
Special function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.8.1
Current generators gain adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.8.2
Continuous status reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
9
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52



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