AN32055A Datasheet, PDF (1/97 Pages) Panasonic Semiconductor – 7 x 7 Dots Matrix LED Driver LSI with Step-up DC/DC Converter for White LED

Doc No. TA4-EA-04511
Revision. 2
Product Standards
AN32055A
http://www.semicon.panasonic.co.jp/en/
7 x 7 Dots Matrix LED Driver LSI
with Step-up DC/DC Converter for White LED
FEATURES
 7 x 7 LED Matrix Driver
(Total LED that can be driven = 49)
 Built-in memory (ROM and RAM)
 Step-up DC/DC converter
 LDO
: 2-ch
 GPIO
: 2-ch
 GPI
: 3-ch (3pins from GPI1 to GPI3 are in
common with SPI2)
 GPO
: 2-ch
 SPI Interface : 2-ch (SPI2 is only receiving.
It is possible to control only address
05h by SPI2.)
 Driver for LED (Main LED : 4-ch, Sub LED : 2-ch, LED
for Photo flash : 2-ch, RGB color unit : 1-ch)
 80 pin Wafer level chip size package (WLCSP)
DESCRIPTION
AN32055A is a 6-ch LED driver for LCD backlights, and
a driver for LED matrix.
They supply voltage by step-up DC/DC converter.
APPLICATIONS
 Mobile Phone
 Smart Phone
 PCs
 Game Consoles
 Home Appliances etc.
TYPICAL APPLICATION
LED
24 2
Battery
CPU I/F
LDOCNT
GPI [ 3ch ]
GPO [ 2ch ]
GPIO [ 2ch ]
LEDCNT
LEDCTL
VIBCTL
INT
CSB
CLK
DI
DO
RSTB
EXTCLK
FB
VLED1
VLED2
LX
DCDCGND
7
Y0~Y6
7
X0~X6
Note)
The application circuit is an example. The operation of the mass production set is not guaranteed. Sufficient evaluation and
verification is required in the design of the mass production set. The Customer is fully responsible for the incorporation of the
above illustrated application circuit in the design of the equipment.
Page 1 of 96
Established : 2006-08-29
Revised : 2013-04-01