ROHM Product Detail

BM81810MUV-M
Automotive Panel Power Management IC

BM81810MUV-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.

Product Detail

 
Part Number | BM81810MUV-ME2
Status | Recommended
Package | VQFN32SV5050
Packing Type | Taping
Unit Quantity | 2500
Minimum Package Quantity | 2500
RoHS | Yes

Functional Safety:

Category : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.

Specifications:

ch

5

Vin1(Min.)[V]

2.6

Vin1(Max.)[V]

5.5

SW frequency(Max.)[MHz]

2.1

Circuit Current(Typ.)[mA]

2

Start up Sequence Circuit

Yes

VCOM[ch]

1

Serial I/F

I2C

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Package Size [mm]

5x5 (t=1)

Common Standard

AEC-Q100 (Automotive Grade)

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Features:

  • AEC-Q100 Qualified
  • 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)
  • I²C 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, WPN)

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