DataSheet.es    


PDF BM81110MUW Data sheet ( Hoja de datos )

Número de pieza BM81110MUW
Descripción 12V Input Multi-Channel System Power Supply IC
Fabricantes ROHM Semiconductor 
Logotipo ROHM Semiconductor Logotipo



Hay una vista previa y un enlace de descarga de BM81110MUW (archivo pdf) en la parte inferior de esta página.


Total 30 Páginas

No Preview Available ! BM81110MUW Hoja de datos, Descripción, Manual

Datasheet
Power supply IC series for TFT-LCD panels
12V Input Multi-Channel
System Power Supply IC
BM81110MUW
General Description
BM81110MUW is a system power supply for TFT-LCD
panels used for liquid crystal TVs. This IC is
incorporated with Negative and Positive charge pump
controllers 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)
(Synchronous rectification)
Step-down DC/DC converter 3 (HAVDD)
(Synchronous rectification)
Positive charge pump controller (VGH)
Negative charge pump controller (VGL)
Gate Pulse Modulation (GPM) function
Output voltage control by I2C
Built-in EEPROM
Switching Frequency 750kHz (AVDD, VIO)
Switching Frequency 1MHz (VCORE, HAVDD)
Applications
TFT-LCD panel
Typical Application CircuitTOP VIEW
SW
VGH
Key Specifications
Input voltage range
AVDD Output voltage range
VIO Output voltage range
VCORE Output voltage range
HAVDD Output voltage range
VGH Output voltage range
VGL Output voltage range
Switching Frequency
Operating temperature range
8.6V to 14.7V
13.5V to 19.8V
2.2V to 3.7V
0.8V to 3.3V
4.8V to 11.1V
20V to 35V
-14.5V to -5.5V
750kHz(Typ)
1MHz(Typ)
-40to +85
Package
VQFN40W6060A
W(Typ) x D(Typ) x H(Max)
6.00mm x 6.00mm x 0.8mm
AVDD
HAVDD
VCORE
VIO
VIN
EN
PGND2
SWB2
VDD2
CTRL
VINB2
VDD1
SWB1
SWB1
N.C.
VIN
BM81110MUW
VGL
N.C.
SWO
SWI
SW
SW
PGND
PGND
NTC
VL
SWB1
VGL
AVDD
VIN
Θ
Figure1. Application Circuit
Product structureSilicon monolithic chip
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This chip
has no designed
1/46
protection against radioactive rays.
TSZ02201-0313AAF00410-1-2
2015.08.10 Rev.002

1 page




BM81110MUW pdf
BM81110MUW
Block Diagram (VGH Trippler)
VIN
AVIN
VL
INTERNAL
REGULATOR
EEPROM
SDA
SCL
A0
HVS
EN
FAULT
I2C
INTERFACE
SEQUENCE
CONTROL
DAC
BOOST
CONVERTER
BUCK
CONVERTER 1
BUCK
CONVERTER 2
BUCK
CONVERTER 3
VGH
REGULATOR
VGL
AGND
VGL
VGL
DRVN
GPM
CTRL
COMP
SWO
SWI
SW
PGND
VINB1
SWB1
VIN
AVDD
VIN
VIO
VDD1
VINB2
SWB2
PGND2
VDD2
VINB3
SWB3
PGND3
VIN
VDD3
DRVP
VGH
NTC
VGHM
RE
VGH
Θ
VCORE
HAVDD
AVDD
SW
SW
VL
SWB1
Figure 4. Block Diagram (VGH Trippler)
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
5/46
TSZ02201-0313AAF00410-1-2
2015.08.10 Rev.002

5 Page





BM81110MUW arduino
BM81110MUW
Typical Performance Curves (Unless otherwise specified, Ta=25, AVIN,VINB1,VINB3=12V, VINB2=3.3V, VIO=3.3V,
VCORE=1.8V, AVDD=17.5V, HAVDD=9.0V, VGH=28V, VGL=-7.9V, RL=no load)
8
7
6
5
4
3
EN=L
2 No Switching
1
0
5 6 7 8 9 10 11 12 13 14 15
Input Voltage : VIN [V]
Figure 5. Input Current vs Input Voltage
(EN=L, no switching)
1500
1400
1300
1200
1100
AVDD,VIO Frequency
1000
900
800
700
VCORE,HAVDD Frequency
600
500
5 6 7 8 9 10 11 12 13 14 15
Input Voltage : VIN [V]
Figure 6. Internal Oscillator Frequency vs Input Voltage
VIN=12V (20V/Div)
VIO=3.3V (5V/Div)
VCORE=1.8V (5V/Div)
VGH=28V (10V/Div)
AVDD=15V (10V/Div)
HAVDD=7.5V (10V/Div)
VGL=-7.9V (10V/Div)
VGHM (20V/Div)
10msec/Div
Figure 7. Power-on 1
(VGL driven by VIO switch node)
VIN=12V (20V/Div) VIO=3.3V (5V/Div)
VCORE=1.8V (5V/Div)
VGH=28V (10V/Div)
AVDD=15V (10V/Div)
HAVDD=7.5V (10V/Div)
VGL=-7.9V (10V/Div)
VGHM (20V/Div)
10msec/Div
Figure 8. Power-on 2
(VGL driven AVDD switch node)
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
11/46
TSZ02201-0313AAF00410-1-2
2015.08.10 Rev.002

11 Page







PáginasTotal 30 Páginas
PDF Descargar[ Datasheet BM81110MUW.PDF ]




Hoja de datos destacado

Número de piezaDescripciónFabricantes
BM81110MUW12V Input Multi-Channel System Power Supply ICROHM Semiconductor
ROHM Semiconductor

Número de piezaDescripciónFabricantes
SLA6805M

High Voltage 3 phase Motor Driver IC.

Sanken
Sanken
SDC1742

12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.

Analog Devices
Analog Devices


DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.


DataSheet.es    |   2020   |  Privacy Policy  |  Contacto  |  Buscar