This part is a kind of semiconductor called BD9203EFV.

Function of this product has Silicon Monolithic Integrated Circuit.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

1/4 STRUCTURE PRODUCT TYPE FEATURE ・ ・ ・ ・ ・ ・ ・ Silicon Monolithic Integrated Circuit White LED Driver for LCD Backlights with step-up DC/DC controller BD9203EFV 6CH LED current driver up to 150mA/CH built-in *2 Over voltage protection (OVP), Short circuit protection (SCP), LED open and short detection Step-up DC/DC controller built-in PWM and DC Dimming Programmable timer latch and soft-start period by external capacitor Over voltage protection (OVP), Short current protection (SCP), LED open and short detection Under voltage lock out (UVLO) ・ HTSSOP-B28 package ○ ABSOLUTE MAXIMUM RATINGS PARAMETER Power Supply Voltage STB Voltage LED Output Voltage FAIL Output Voltage Pin Voltage Power Dissipation Operating Temperature Range Storage Temperature Range LED Maximum Cur [ ... ]

BD9203EFV PDF Datasheet Download