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ADP8860ACPZ-R7 Fiches technique(PDF) 16 Page - Analog Devices

No de pièce ADP8860ACPZ-R7
Description  Charge Pump, 7-Channel Smart LED Driver with I2C Interface
PDF  52 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADP8860ACPZ-R7 Fiches technique(HTML) 16 Page - Analog Devices

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ADP8860
Rev. 0 | Page 16 of 52
BACKLIGHT OPERATING LEVELS
Backlight brightness control operates in three distinct levels:
daylight (L1), office (L2), and dark (L3). The BLV bits in
Register 0x04 control the specific level in which the backlight
operates. These bits can be changed manually, or if in automatic
mode (CMP_AUTOEN is set high in Register 0x01), by the
ambient light sensor (see the Ambient Light Sensing section).
By default, the backlight operates at daylight level (BLV = 00),
where the maximum brightness is set using Register 0x09
(BLMX1). A daylight dim setting can also be set using
Register 0x0A (BLDM1). When operating at office level (BLV =
01), the backlight maximum and dim brightness settings are set
by Register 0x0B (BLMX2) and Register 0x0C (BLDM2). When
operating at the dark level (BLV = 10), the backlight maximum
and dim brightness settings are set by Register 0x0D (BLMX3)
and Register 0x0E (BLDM3).
DAYLIGHT (L1)
OFFICE (L2)
DARK (L3)
DAYLIGHT_MAX
OFFICE_MAX
BACKLIGHT OPERATING LEVELS
DAYLIGHT_DIM
DARK_MAX
DARK_DIM
OFFICE_DIM
0
30mA
Figure 29. Backlight Operating Levels



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