AS1119

144 LED full color crossplexing driver IC with CP

Features

Up to 144 LEDs as 2x 8x9 or 3x 5x6
8-bit PWM per LED and current control per matrix
6 frames of memory
Internal automatic charge pump

Benefits

Excellent PCB real estate vs LED count
16.7M full color matrix with white balance
Reduces MCU load and increases battery lifetime
Extends battery lifetime while reducing BOM and increasing ease of use

Product parameters

Outputs [#]	144
LED Current per Output [mA]	5
Features	320mA charge pump; 6 Frames; cross-plexing
Error Detection	Yes
Read-Back	Yes
LED-to-LED Matching [%]	2
Supply Voltage [V]	2.7 to 5.5
Package	WL-CSP(3x3)-36

General Description

The AS1119 is a I²C interfaced, ultra-compact cross-plexing LED driver IC for 144 single LEDs with error diagnostic. It offers a 8-bit PWM per LED and a 8-bit analog current adjustment on each matrix for up to 5mA per LED. It offers 6 frames of memory reducing MCU load and an internal automatic charge pump supplying individual LEDs with a higher voltage if required.

Not Recommended for New Designs
ams AG is discontinuing production of this device.

This product suits for the following applications:

Personal electronics
Mobile phones
Fitness bands
Home appliance
Keyboard backlight
Lighting effects

Tools

Title	Category	Headline	Buy
AS1119DemoKit	Application Board	Demo Kit for AS1119

Technical Documents

Type	Description	Language
Datasheet	Document version 2-00	English
Application Note	Cross-Plexing	English
User Guide	Evaluation Suite Software	English

Notifications

Type	Description	Language
EoL Notification	AS252x, AS36xx, AS37xx_AS3956 (issued 2019-Sep)	English

Other Information

Type	Description	Language
Block Diagram	AS1119 Block Diagram	English