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BM81810MUF-M 데이터시트(PDF) 1 Page - Rohm

부품명 BM81810MUF-M
부품 상세설명  Automotive Panel Power Management IC
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

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〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.
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1/75
TSZ02201-0A3A0AS00510-1-2
© 2020 ROHM Co., Ltd. All rights reserved.
15.May.2020 Rev.001
TSZ22111
• 14 • 001
www.rohm.com
Power Supply IC Series for TFT-LCD Panels
Automotive Panel Power Management IC
BM81810MUF-M
General Description
BM81810MUF-M is
a
power management IC for
TFT-LCD panels which are used in car navigation,
in-vehicle center panel, and instrument cluster.
This IC incorporates VCOM amplifier, Gate Pulse
Modulation (GPM) in addition to the power supply for
panel driver (SOURCE, GATE, and LOGIC power
supplies). Moreover, this IC has a built-in EEPROM for
sequence and output voltage setting retention.
Key Specifications
Input voltage range:
2.6V to 5.5V
AVDD Output voltage range:
5.0V to 17.0V
VGH Output voltage range:
8.0V to 35.0V
VGL Output voltage range:
-4.0V to -14.0V
VDD Output voltage range:
0.9V to 3.4V
VCOM Output current:
200 mA (Typ)
Switching Frequency:
525KHz, 1.05MHz, 2.1MHz
Operating temperature range:
-40°C to +105°C
Standby current:
2.0
μA (Typ)
Special Characteristics
AVDD output voltage accuracy:
±2%
Oscillator Frequency:
±10%
Applications
TFT-LCD Panels which are used in car navigation,
in-vehicle center panel, and instrument cluster.
Features
AEC-Q100 Qualified
(Note 1)
Alternative Synchronous Buck DC/DC converter or LDO
for VDD output
Synchronous Boost DC/DC converter for AVDD output
with integrated load switch.
VCOM amplifier with 7bit calibrator
Positive charge pump (Integrated diode, x2/x3) for VGH
output
Negative charge pump for VGL output
VGH and VCOM temperature compensation
Gate Pulse Modulation(GPM)
I
2C Interface Output Voltage Setting Control Function
(Integrated EEPROM)
Switching frequency switching function
(525kHz, 1.05MHz, 2.1MHz)
Protection circuits
Under-Voltage Lockout
Thermal Shut Down
Over-Current Protection
Over-Voltage Protection
Under Voltage Protection (Timer Latch type)
Input tolerant (SCL, SDA, EN, GSIN)
(Note1: Grade 2)
Package
W(Typ) x D(Typ) x H(Max)
VQFN32FBV050
5.0mm x 5.0mm x 1.0mm
Typical Application Circuit (TOP VIEW)
1
2
3
4
5
7
6
8
EN
SWB
RST
SCL
SDA
PG / LDSW
FAULT
VIN
VDD
AVDD
VCOM
VGL
DRN
CPP1
DRP
VCP
CPP2
VGH
GSOUT
GSIN
VIN
VIN
VIN
AVDD
Θ
WPN
R_RST
L_SWB
C_AVD
C_VDD
C_VINB
C_VIN
C_VCOM
C_VGL
C_DRN
D_VGL
C_VGH
C_DRP2
C_VCP
C_DRP1
R_PG
R_FLT
R_NTC1
R_NTC2
R_NTC3
R_RE
C_LSO
C_REG
(D_SW)
Datasheet


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