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PDF SM8145AB Data sheet ( Hoja de datos )
| Número de pieza | SM8145AB | |
| Descripción | Dual EL Driver | |
| Fabricantes | Nippon Precision Circuits Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SM8145AB (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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NIPPON PRECISION CIRCUITS INC.
SM8145A
Dual EL Driver
OVERVIEW
The SM8145A is an Electro Luminescent (EL) driver IC that can drive two EL displays simultaneously.
Each EL display mode ON/OFF function can be separately controlled using two enable (ENA) pins.
The luminance in each display mode can be adjusted, enabling the luminance and consumption current to be
optimized to match the application. The device is supplied in ultra-small leadless QFN-20 packages, making
driver circuit miniaturization possible.
FEATURES
I 2 separate EL display drivers
I 2-display simultaneous driver operation
I Adjustable luminance and current consumption in
each mode
I 3 display modes and a standby mode select control
pins (ENA1, ENA2)
I 1 to 30cm2 EL display size per channel
I 1.6 to 5.5V supply voltage
I 200 Vp-p maximum EL driver voltage
I 20-pin QFN ultra-small leadless package
I High voltage CMOS Process
APPLICATIONS
I Mobile phone
I PDA, Handheld PC
I Illumination accessory
PINOUT
(Top view)
15 14 13 12 11
OUTCOM 16
10 ENA2
N.C. 17
9 OCE
OUT1 18 8 1 4 5 A 8 OCL3
N.C. 19
7 N.C.
CHV 20
6 OCL2
1 23 4 5
ORDERING INFORMATION
Device
SM8145AB
Package
20-pin QFN
PACKAGE DIMENSIONS
(Unit : mm)
Weight : 0.037g
4.20 ± 0.20
4.00 ± 0.10
15 11
16 10
20
1
0.50
6
5
0.60 ± 0.10
0.22 ± 0.05
0.05
0.05 M
NIPPON PRECISION CIRCUITS—1
1 page  
SM8145A
FUNCTIONAL DESCRIPTION
DISPLAY MODES
Operation mode
Standby
EL1
EL2
EL1 + EL2
ENA input
ENA1
ENA2
LL
HL
LH
HH
OUTCOM
L
Active
Active
Active
OUTPUT status
OUT1
L
Active
Hi-Z
Active
Notes) The internal oscillator resistance is selected in response to the state of the ENA pins.
The oscillator resistance (ROCE1/2/3) adjust the luminance in each display mode, respectively.
OUT2
L
Hi-Z
Active
Active
Brightness adjust
ROCL
–
ROCL1
ROCL2
ROCL3
OUT1
OUTCOM
OUT2
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;H;;;;;I;;;;;-Z;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;H;;;;I-;;;;Z;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
max 100V0-P
0V
max 100V0-P
0V
max 100V0-P
0V
EL 1
OFF(0V)
max 200VP-P
EL 2
ENA1 = LOW
ENA2 = LOW
OFF(0V)
ENA1 = HIGH
ENA2 = LOW
ENA1 = HIGH
ENA2 = HIGH
max 200VP-P
ENA1 = LOW
ENA2 = HIGH
NIPPON PRECISION CIRCUITS—5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet SM8145AB.PDF ] | |
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