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AS3695C LED Driver

16 Channels Precision LED Controller

The AS3695C is a 16 channel precision LED controller for driving external FET/BJT 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 AS3695C LED Driver

(Click to Enlarge)

Key Features

  • 16 Channel LED driver
  • Output voltage only limited by external transistor
  • Output current only limited by external transistor
  • Linear current setting using 10-bit DAC
  • Current accuracy ±0.5% @ VDAC=250mV

AS3695C Applications

LED Backlighting for LCD - TV Sets and Monitors

AS3695A Product Facts

Outputs [#] 16
LED current per output [mA] limited by external FET
Features 2 configurable supply regulation feedback outputs
Error detection
Read-back
LED-to-LED matching [%] 0,5
Supply voltage [V] 4-5,5
Package QFN64 (9x9)-0.5p
LQFP64 (14x14)-0.8p