12V Input Multi-Channel System Power Supply IC - BM81110MUW

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.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BM81110MUW-ZE2ActiveVQFN40W6060A20002000TapingYes

BM81110MUW Data Sheet

Specifications
GradeStandard
Vin1(Min.)[V]8.6
Vin1(Max.)[V]14.7
SW frequency(Max.)[MHz]1.0
Output Logic Voltage[V]Variable
Output Logic Voltage2[V]Variable
Output Gate Voltage[V]Variable
Start up Sequence CircuitYes
VCOM[ch]1
Serial I/FI2C
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
Technical Documents
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)
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Application Note BA12004BF
Part Explanation BA12004BF