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BD6592MUV_11

Description
LED DISPLAY DRIVER
Categorysemiconductor    Analog mixed-signal IC   
File Size838KB,26 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Download Datasheet Parametric View All

BD6592MUV_11 Overview

LED DISPLAY DRIVER

BD6592MUV_11 Parametric

Parameter NameAttribute value
stateACTIVE
Interface TypeLED DISPLAY DRIVER
BD6592MUV
LED Drivers for LCD Backlights
White Backlight LED Driver
for Medium to Large LCD Panels
(Switching Regulator Type)
BD6592MUV
No.11040ECT33
●Description
BD6592MUV is white LED driver IC with PWM step-up DC/DC converter that can boost max 42.5V and current driver that
can drive max 40mA. The wide and precision brightness can be controlled by external PWM pulse. BD6592MUV has very
accurate current drivers, and it has few current errors between each strings. So, it will be helpful to reduce brightness spots
on the LCD. Small package type is suited for saving space.
●Features
1) High efficiency PWM step-up DC/DC converter (fsw=1MHz), max efficiency 93%
2) High accuracy & good matching (±3%) current drivers 6ch
*
*
3) Drive up to 12 in series, 6 strings in parallel =72 white LEDs ( white LED Vf=3.5Vmax)
4) Wide input voltage range (2.7V ~ 22V)
5) Rich safety functions
・Over-voltage
protection (OVP)
・Over
current limit
・External
SBD open detect
・Thermal
shutdown
6) Small & thin package (VQFN024V4040) 4.0 × 4.0 × 1.0mm
●Applications
All middle size LCD equipments backlight of Notebook PC, portable DVD player, car navigation systems, etc.
●Absolute
maximum ratings (Ta=25℃)
Parameter
Maximum applied voltage 1
Maximum applied voltage 2
Maximum applied voltage 3
Power dissipation 1
Power dissipation 2
Power dissipation 3
Operating temperature range
Storage temperature range
*1
*2
*3
Symbol
VMAX1
VMAX2
VMAX3
Pd1
Pd2
Pd3
Topr
Tstg
Ratings
7
25
50.5
500
780
1510
-30 ~ +85
-55 ~ +150
Unit
V
V
V
mW
mW
mW
Condition
TEST, VREG, SENSP, SENSN, SW,
RSTB, PWMPOW, PWMDRV,
FAILSEL, ISETH, ISETL
LED1, LED2, LED3, LED4, LED5,
LED6, VBAT
VDET
*1
*2
*3
Reduced 4.0mW/℃ With Ta>25℃ when not mounted on a heat radiation Board.
1 layer (ROHM Standard board) has been mounted. Copper foil area 0mm
2
, When it’s used by more than Ta=25℃, it’s reduced by 6.2mW/℃.
4 layer (JEDEC Compliant board) has been mounted.
Copper foil area 1layer 6.28mm
2
, Copper foil area 2~4layers 5655.04mm
2
, When it’s used by more than Ta=25℃, it’s reduced by 12.1mW/℃.
●Recommended
operating range (Ta=-30℃ ~ +85℃)
Parameter
Power supply voltage
Symbol
VBAT
Ratings
Min.
2.7
Typ.
12.0
Max.
22.0
Unit
V
Condition
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
1/25
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