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12V Input Multi-Channel System Power Supply IC - BM81004MUV

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. I also features built-in EEPROM to contain each setting voltage, soft start time etc.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BM81004MUV-ZE2
Status | Active
Package | VQFN48V7070A
Unit Quantity | 1500
Minimum Package Quantity | 1500
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Vin1(Min.)[V]

8.6

Vin1(Max.)[V]

14.0

SW frequency(Max.)[MHz]

1.0

Output Source Voltage[V]

to 18

Output Logic Voltage[V]

Variable

Output Logic Voltage2[V]

Variable

Output Gate Voltage[V]

Variable

Start up Sequence Circuit

Yes

VCOM[ch]

1

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

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)
  • 10bit DAC-controlled Gamma Amplifier 4ch
  • 8bit DAC-controlled VCOM Amplifier
  • Output voltage control by I²C
  • Built-in EEPROM
  • Switching Frequency 750kHz (AVDD, VIO)
  • Switching Frequency 1MHz (VCORE, HAVDD)