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PDF AN32055A Data sheet ( Hoja de datos )
| Número de pieza | AN32055A | |
| Descripción | 7 x 7 Dots Matrix LED Driver LSI | |
| Fabricantes | Panasonic | |
| Logotipo |  |
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DReovcisNioon. . T2A4-EA-04511
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
Y0~Y6
7
X0~X6
7
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
1 page  
DReovcisNioon. . T2A4-EA-04511
Product Standards
AN32055A
ELECTRICAL CHARACTERISTICS
VB = VBDCDC = VBLED = 3.6 V, VLED1 = VLED2 = 4.9 V
Note) Ta = 25 C 2 C unless otherwise specified.
Parameter
Symbol
Condition
Current consumption
Current consumption (1)
Current consumption (2)
Current consumption (3)
Reference voltage
Output voltage
Reference current
ICC1
ICC2
ICC3
At OFF mode
LDOCNT = Low
At Standby mode
LDOCNT = Low
LDO2 is active.
LDOCNT = High
LDO1 and LDO2 are active.
VREF IVREF = 0 A
Min
Limits
Typ Max
Unit Note
0
1 A —
8 12 A —
18 24 A —
1.21 1.24 1.27 V —
Output voltage
Voltage regulator (LDO1)
Output voltage
Leakage Current
when LDO1 turns off
Short circuit protection current
Ripple rejection (1)
Ripple rejection (2)
VIREF IIREF = 0 A
0.44 0.54 0.64 V —
VL1
IOFF1
IPT1
PSL11
PSL12
ILDO1 = – 30 mA
LDOCNT = High
REG18 = Low
VLDO1 = 0 V, IOFF1 = ILDO1
LDOCNT = High
REG18 = High
VLDO1 = 0 V, IPT1 = ILDO1
VB = 3.6 V + 0.2 V[p-p]
f = 1 kHz
ILDO1 = – 15 mA
PSL11 = 20log(acVLDO1 / 0.2)
VB = 3.6 V + 0.2 V[p-p]
f = 10 kHz
ILDO1 = – 15 mA
PSL12 = 20log(acVLDO1 / 0.2)
1.79
50
1.85
100
– 45
– 35
1.91 V —
1 A —
200 mA —
– 40 dB —
– 25 dB —
Established : 2006-08-29
Revised : 2013-04-01
Page 5 of 96
5 Page 
DReovcisNioon. . T2A4-EA-04511
Product Standards
AN32055A
ELECTRICAL CHARACTERISTICS (continued)
VB = VBDCDC = VBLED = 3.6 V, VLED1 = VLED2 = 4.9 V
Note) Ta = 25 C 2 C unless otherwise specified.
Parameter
Symbol
Condition
Current generator (For RGB color unit)
Output current (1)
IRGB1
Output current (2)
IRGB2
Output current (3)
IRGB4
Output current (4)
IRGB8
Leak current at the time of
OFF
IRGBOFF
The error between channels
Switch of Pch-MOS (VLED1)
IRGBCH
VBLED – VLED output
impedance
RVLED
Switch of Nch-MOS (R1, R2, G2, B2)
R1 output impedance
RR1
R2 output impedance
G2 output impedance
B2 output impedance
RR2
RG2
RB2
At 1mA setup
VR1, G1, B1 = 1 V
At 2 mA setup
VR1, G1, B1 = 1 V
At 4 mA setup
VR1, G1, B1 = 1 V
At 8 mA setup
VR1, G1, B1 = 1 V
Current OFF setup
VR1, G1, B1, R2, G2, B2 = 4.75 V
IRGBOFF = IR1, G1, B1, R2, G2, B2
The average value of all
channels, and the current
error of each channel
VBLED = 2.2 V
VCHGGND = 0 V
ILED1 = – 10 mA
RVLED
= ( 2.2 V – VLED1 ) / 10 mA
VB = 2.2 V
VCHGGND = 0 V
IR1 = 5 mA
RR1 = VR1 / 5 mA
Register : 19hD4 = High
IR2 = 5 mA
RR2 = VR2 / 5 mA
Register : 19hD3 = High
IG2 = 5 mA
RG2 = VG2 / 5 mA
Register : 19hD2 = High
IB2 = 5 mA
RB2 = VB2 / 5 mA
Min
Limits
Typ Max
Unit Note
0.950 1.032 1.115 mA *2
1.903 2.068 2.234 mA *2
3.777 4.105 4.434 mA *2
7.566 8.223 8.881 mA *2
1 A
–5
5 %
5 20
10 50
10 30
10 30
10 30
*2: Values when recommended parts (ERJ2RHD273X) are used for IREF terminal.
The other current settings are combination of above items.
Established : 2006-08-29
Revised : 2013-04-01
Page 11 of 96
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AN32055A.PDF ] | |
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