Mini Backlight - WH8166M

MiniLEDBacklight refers to high-end direct-lit backlight display technology and products that useMiniLEDchips (flip-chip) orLEDpackaging devices (using front-mounted or flip-chip) with local dimming (Local Dimming).

I. Features of Mini Backlight -WH8166M:

Power Supply Voltage: VCC 2.7V ~ 3.6V
Flexible BLU size support: Max. Tx Port No.: 2
Supports hybrid LED driving schemes:
-PM (Scan Mode)
-AM (Direct Drive)
Programmable Tx port output slew rate control
Dedicated settings for each Tx port
VSYNC support: Direct drive mode: 60 ~ 240Hz
SPI interface: Max speed: 16MHz
VLED adjustable (FB_VDAC):
-VDAC output range: 0.2V ~ AVDD-0.2V
-Resolution: 12-bit
LED board diagnostics (INT_B):
-Fault resolution
-Overtemperature assertion
-LED open/short detection
-Checksum error on SPI interface
BIST function (BIST_EN):
Drive current ranges: (0.5~5 mA), (1.0~10 mA), (2.0~20 mA), and (3.0~30 mA)
7-bit I-DAC per sink
0.4V saturation voltage per sink @25mA
12-bit true brightness control resolution with PWM dimming at 3840Hz (no flicker)
PWM output frequency support (direct drive mode): 60/120/144/240/480/960/1920/3840 Hz
PWM output frequency accuracy: +/-2%
DC sink accuracy: +/-2%
Dimming mode control scheme:
-PWM - 12-bit
Local dimming zones: 56 zones
Optical module thickness < 0.4mm

II.Applications of Mini Backlight -WH8166M:

LED FALD backlight systems