ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS1104 LED Driver IC

40mA 4channel direct LED driver IC

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The AS1104 is a high efficient direct LED driver IC. It offers 4 40mA outputs which can be dimmed with an external PWM and adjusted in analog current with an resistor. It only requires 150mV headroom voltage to operate.


Key Features

  •  4 channel 40mA driver
  • 150mV headroom to operate
  • PWM input
  • External Resitor

Key Benefits

  • High Brightness LEDs
  • Excellent efficiency & battery lifetime
  • High resolution dimming possible
  • Anaolg dimming or current control

Product Facts

Outputs [#] 4
LED current per output [mA] 40
Features Simple Drive
Error detection
LED-to-LED matching [%] 3
Supply voltage [V] 2.2 to 3.6
Package MSOP-8

Additional Information

  • Small display backlight
  • Keyboard backlight
  • Music player backlight