Datasheet > BM81810MUF-M

BM81810MUF-M

更新时间： 2024-11-19 11:15:43

品牌	Logo	应用领域
罗姆 - ROHM		可编程只读存储器电动程控只读存储器电可擦编程只读存储器栅
页数	文件大小	规格书
78页	3637K
描述
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.

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BM81810MUF-M 数据手册

Datasheet

Power Supply IC Series for TFT-LCD Panels

Automotive Panel Power Management IC

BM81810MUF-M

General Description

Features

AEC-Q100 Qualified^{(Note 1)}

BM81810MUF-M is

a power management IC for

TFT-LCD panels which are used in car navigation,

in-vehicle center panel, and instrument cluster.

Alternative Synchronous Buck DC/DC converter or LDO

for VDD output

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.

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)

Key Specifications

Input voltage range:

2.6V to 5.5V

5.0V to 17.0V

8.0V to 35.0V

-4.0V to -14.0V

0.9V to 3.4V

I²C Interface Output Voltage Setting Control Function

(Integrated EEPROM)

AVDD Output voltage range:

VGH Output voltage range:

VGL Output voltage range:

VDD Output voltage range:

VCOM Output current:

Switching Frequency:

Operating temperature range:

Standby current:

Switching frequency switching function

(525kHz, 1.05MHz, 2.1MHz)

Protection circuits

200 mA (Typ)

525KHz, 1.05MHz, 2.1MHz



Under-Voltage Lockout

Thermal Shut Down

Over-Current Protection

Over-Voltage Protection

-40°C to +105°C

2.0 μA (Typ)

Under Voltage Protection (Timer Latch type)

Special Characteristics

AVDD output voltage accuracy:

Oscillator Frequency:

Input tolerant (SCL, SDA, EN, GSIN)

(Note1: Grade 2)

±2%

±10%

Package

W(Typ) x D(Typ) x H(Max)

5.0mm x 5.0mm x 1.0mm

Applications

VQFN32FBV050

TFT-LCD Panels which are used in car navigation,

in-vehicle center panel, and instrument cluster.

Typical Application Circuit (TOP VIEW)

R_NTC2

R_NTC1

R_NTC3

WPN

R_FLT

VIN

R_RE

GSOUT

VIN

R_PG

VGH

FAULT

C_DRP2

CPP2

PG / LDSW

C_VGH

D_VGL

4 2 3 2 2 2 1 2 0 2 9 1 8 1 7 1

C_VCP

VCP

VIN

GSIN

SDA

C_DRP1

CPP1

R_RST

SCL

RST

DRP

DRN

C_DRN

VGL

VDD

SWB

VCOM

L_SWB

C_VDD

C_VCOM

C_VGL

AVDD

C_VINB

C_VIN

C_REG

(D_SW)

VIN

C_AVD

C_LSO

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ02201-0A3A0AS00510-1-2

15.May.2020 Rev.001

TSZ22111 • 14 • 001

1/75

12 3 4 5 6 7...78

中文翻译

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