파트넘버.co.kr BM81004MUV 데이터시트 PDF


BM81004MUV 반도체 회로 부품 판매점

12V Input Multi-Channel System Power Supply IC



ROHM Semiconductor 로고
ROHM Semiconductor
BM81004MUV 데이터시트, 핀배열, 회로
Datasheet
Power supply IC series for TFT-LCD panels
12V Input Multi-Channel
System Power Supply IC
BM81004MUV
General Description
BM81004MUV is a system power supply for TFT-LCD
panels used for liquid crystal TVs. This IC is
incorporated with Negative and Positive charge pump
controller and Gate Pulse Modulation (GPM) function. It
also features built-in EEPROM to contain each setting
voltage, soft start time etc.
Features
Step-up DC/DC converter (AVDD).
(Synchronous rectification, Built-in load switch).
Step-down DC/DC converter 1(VIO).
(Non-synchronous rectification).
Step-down DC/DC converter 2(VCORE).
Step-down DC/DC converter 3(HAVDD).
(Synchronous rectification).
Positive charge pump controller (VGH).
Negative charge pump controller (VGL).
Gate Pulse Modulation (GPM) function.
High Voltage LDO (50mA)
10 bit DAC-controlled Gamma Amplifier 4ch
8 bit DAC-controlled VCOM Amplifier
Output voltage control by I2C.
Built-in EEPROM.
Switching Frequency 750kHz (AVDD, VIO).
Switching Frequency 1MHz (VCORE, HAVDD).
Applications
TFT-LCD panel
Typical Application Circuit 1
TOP VIEW
SW
VGH
Key Specifications
Input voltage range
AVDD Output voltage range
VIO Output voltage range
HAVDD Output voltage range
VGH Output voltage range
VGL Output voltage range
Switching Frequency
Operating temperature range
8.6V to 14.0V
11.7V to 18.0V
2.2V to 3.7V
4.8V to 11.1V
25V to 40.5V
-10.2V to -4.0V
750kHz(Typ)
1MHz(Typ)
-40to +105
Package
VQFN48V7070A
W(Typ) x D(Typ) x H(Max)
7.00mm x 7.00mm x 1.0mm
SW
AVDD
HAVDD
VIN
VCORE
VIO
PGND2
SWB2
VDD2
VINB2
VINB1
VINB1
N.C.
SWB1
SWB1
AMPGND
AMP4
AMP3
BM81004MUV
PGATE
AVDDS
SWO
SWI
SW
SW
PGND
PGND
VL
COMP
AGND
CTRL
SWB1
VGL
AVDD
VIN
VIN
AVDD
Figure 1. Application Circuit 1
Product structureSilicon monolithic chip This chip is not designed for protection against ratio active rays.
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/49
TSZ02201-0313AAF00420-1-2
4.Dec.2014 Rev.002


BM81004MUV 데이터시트, 핀배열, 회로
BM81004MUV
Typical Application Circuit 2
TOP VIEW
HAVDD
SW
VGH
VIN
VCORE
VIO
VIN
PGND2
SWB2
VDD2
VINB2
VINB1
VINB1
N.C.
SWB1
SWB1
AMPGND
AMP4
AMP3
BM81004MUV
PGATE
AVDDS
SWO
SWI
SW
SW
PGND
PGND
VL
COMP
AGND
CTRL
AVDD
Figure 2. Application Circuit 2
SW
AVDD
SWB1
VGL
AVDD
VIN
www.rohm.co.jp
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
2/49
TSZ02201-0313AAF00420-1-2
4.Dec.2014 Rev.002




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BM81004MUV

12V Input Multi-Channel System Power Supply IC - ROHM Semiconductor