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MBI6353Q is an advanced 48-channel high power constant current full-array local dimming (FALD) backlighting LED driver for large-mid LCD panel applications. The innovative architecture is designed to support up to 1:4 time-multiplexing and control up to 192 LED dimming zone applications using internal Pulse Width Modulation Dimming(P-DIM) and Analog Dimming(A-DIM) control with 12-bit color depth and extra 2-bit high luminance mode by zone to improve contrast ratio for HDR applications.
Both compulsory and real-time LED error open/short detection and protection are included during both start-up and regular operation. Besides, MBI6353Q also provides DC/DC feedback control, ghost elimination function, and over-temperature protection features.
MBI6353Q Specification
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ItemsSpec.Content
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01No. of Output Channel48
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02Output Current per Channel4~100mA
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03Sustaining Output Voltage24V
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04Excellent Output Current Accuracy-between channels<±3.0％ (max.)
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05Excellent Output Current Accuracy-between ICs<±3.0％ (max.)
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06AEC-Q100
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07Scan DesignUp to 4-scan
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08Error Detection - LED Open
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09Error Detection - LED Short
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10Current Gain8-bit
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11Dimming Method12-bit PWM
12-bit Hybrid
10-bit PAM -
12Protection-OTP
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13RoHS Compliant PackageQFN-68 8X8
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14Major ApplicationsHUD, Digital Cockpit Platform
