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AS3695A LED Driver

16 Channel High Precision LED Controller for LCD Backlight

The AS3695A is a 16 channels precision LED driver for use in LCD-backlight panels. Dynamic power feedback controls the external power supply to guarantees best efficiency. Build in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via serial interface.

Block diagram of the AS3695A LED Driver

(Click to Enlarge)

Key Features

  • 16 Channel LED driver
  • Output voltage max. 30V
  • Output current 120mA
  • Linear current setting using 10-bit DAC
  • Current accuracy ±0.5% @ VDAC=250mV

AS3695A Applications

LED Backlighting for LCD - TV Sets and Monitors

AS3695A Product Facts

Outputs [#] 16
LED current per output [mA] 120
Features 2 configurable supply regulation feedback outputs
Error detection
Read-back
LED-to-LED matching [%] 0.5
Supply voltage [V] 4-5,5
Package QFN48 (7x7)-0.5p