Doc No. TA4-EA-05209
Revision. 2
Product Standards
AN32150A
http://www.semicon.panasonic.co.jp/en/
LED Driver IC with Step-up Charge Pump Control Circuit
FEATURES
DESCRIPTION
7 x 7 LED Matrix Driver
(Total LED that can be driven = 49)
Step-up charge pump DC/DC converter : 300 mA
LDO : 2-ch.
GPIO : 3-ch.
GPO : 6-ch. (They are in common with LED driver
terminals.)
SPI interface / I2C interface selectable
LED drivers (for backlight : 7-ch., for RGB : 3-ch.,
matrix LED driver : 7 7-ch.)
LED brightness control function with an external
illumination sensor
55pin Wafer Level Chip Size Package (WLCSP)
AN32150A is a LED driver and a light intensity controller.
It can drive up to 7 channels of LCD backlight, 3 channels
of RGB LEDs and 7 channels of LED matrix.
Voltage is supplied by a step-up charge pump DC/DC
converter.
APPLICATIONS
Mobile Phone
Smart Phone
PCs
Game Consoles
Home Appliances etc.
TYPICAL APPLICATION
RGB
LED
White
LED
CP1
PD2
CN2
CPOUT
PD3
VLED
SW1~SW7
1.0 F
CN1
CP2
2.2 F
1.0 F
27 k
27 k
PD1
1.0 F
VB
VBCP
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
LED10
4.7 F
Battery
7
LDOCNT
SLAVE
SERSEL
GPIO3
GPIO2
GPIO1
INT
SCL
SDA
NRESET
7
1.0 F
LDO2
1.0 F
LDO1
VDD
VREFD
LED11~LED17
1.0 F
39 k
100 pF
IREF
LEDGND1
LEDGND2
LEDGND3
AGND
CPGND
CPU I/F
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 46
Established : 2009-11-12
Revised
: 2013-10-14
Doc No. TA4-EA-05209
Revision. 2
Product Standards
AN32150A
ORDERING INFORMATION
Order Number
Feature
Package
Packing Form
AN32150A-PR
LED driver for illumination
55 pin WLCSP
Emboss Taping
ABSOLUTE MAXIMUM RATINGS
Parameter
ESD
*1
VLEDMAX
6.5
V
*1
4.3
V
*1
Topr
– 30 to + 85
C
*2
Tj
– 30 to + 125
C
*2
Tstg
– 55 to + 125
C
*2
VGPIO1, VGPIO2, VGPIO3,
VPD2, VPD3, VSERSEL,
VSLAVE, VSCL, VSDA
– 0.3 to 4.3
V
—
– 0.3 to 6.0
V
—
– 0.3 to 4.3
V
—
– 0.3 to 6.0
V
—
VSW1, VSW2, VSW3, VSW4,
VSW5, VSW6, VSW7,
VLED1, VLED2, VLED3, VLED4,
VLED5, VLED6, VLED7, VLED8,
VLED9, VLED10, VLED11,
VLED12, VLED13, VLED14,
VLED15, VLED16, VLED17
– 0.3 to 6.5
V
—
HBM
Output Voltage Range
V
VLDO1, VLDO2, VINT
Input Voltage Range
6.0
VPD1
Storage temperature
Note
VNRESET, VLDOCNT
Operating junction temperature
Unit
VDDMAX
Operating ambience temperature
Rating
VBMAX
Supply voltage
Symbol
1.0 to 1.5
kV
—
Note) This product may sustain permanent damage if subjected to conditions higher than the above stated absolute maximum
rating. This rating is the maximum rating and device operating at this range is not guaranteeable as it is higher than our
stated recommended operating range. When subjected under the absolute maximum rating for a long time, the reliability of
the product may be affected.
*1: VBMAX = VBCP = VB, VDDMAX = VDD , VLEDMAX = VLED
The values under the condition not exceeding the above absolute maximum ratings and the power dissipation.
*2: Except for the power dissipation, operating ambient temperature, and storage temperature, all ratings are for
Ta = 25C.
Page 3 of 46
Established : 2009-11-12
Revised
: 2013-10-14
