Output voltage fixed-type Multi-channel System Power Supply IC - BD8174MUV

The BD8174MUV is a system power supply IC that generates 6 power supply channels required by TFT-LCD panels on a single chip. Output voltage and sequence is fixed so that it is possible to control output with few external components.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BD8174MUV-E2Active(Inquiry)VQFN048V707015001500TapingYes

BD8174MUV Data Sheet

Specifications
GradeStandard
Vin1(Min.)[V]10.0
Vin1(Max.)[V]14.0
SW frequency(Max.)[MHz]0.7
Output Source Voltage[V]to 18
Output Logic Voltage[V]3.3
Output Logic Voltage2[V]1.2/1.5/1.8
Output Gate Voltage[V]+ 35.2 / - 6.0
Start up Sequence CircuitYes
VCOM[ch]1
Auto Data ReadNo
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]105
Technical Documents
Features
  • Step-up DC/DC converter with built-in 3A FET
  • Synchronous step-down DC/DC converter
    with built-in 2A FET
  • High Voltage LDO (50mA)
  • Low Voltage LDO (400mA)
  • Positive/ Negative charge pumps (Integrated-diode)
  • 10bit DAC 4CH
  • VCOM amplifier
  • Gate shading function
  • All-output shut down function
  • Power Good function
  • Fixed Frequency (700kHz)
  • Protection circuit :Under-voltage lockout protection circuit
    Thermal shutdown circuit
    Over current protection circuit
    Over voltage protection circuit
    Timer-latch type short-circuit protection circuit
  • Constant startup sequence
  • VQFN048V7070 package
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Application Note BA12004BF
Part Explanation BA12004BF