BD81842MUV-M
车载面板用系统电源IC
BD81842MUV-M
车载面板用系统电源IC
BD81842MUV-M是面向使用TFT液晶面板的汽车导航系统、车载中央显示器及仪表组的系统电源。容许功率大的封装内置了低电阻、大电流FET，用于大电流负载时不会发热。还内置了电荷泵控制器，有助于减少应用点数。此外,还内置了gate shading功能。
主要规格
功能安全:
特性：
Vin1(Min.)[V]
2
Vin1(Max.)[V]
5.5
SW frequency(Max.)[MHz]
2.1
Output Source Voltage[V]
6 to 18
Circuit Current(Typ.)[mA]
1.2
VCOM[ch]
1
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
4.0x4.0 (t=1.0)
Common Standard
AEC-Q100 (Automotive Grade)
特点：
- AEC-Q100 Qualified
- Boost DC/DC converter: 18 V/2.5 A switch current.
- Switching frequency: 2.1MHz
- Operational Amplifier (short current 200mA)
- Incorporates Positive /
Negative Charge-pump Controllers. - Gate Shading Function
- Protection circuits:
Under Voltage Lockout
Protection Circuit
Thermal Shutdown Circuit (Latch Mode)
Over Current Protection Circuit (AVDD)
Timer Latch Mode Short Circuit Protection
(AVDDSRC /VGL)
Over / Under Voltage Protection Circuit for Boost
DC/DC Output
No SCP time included (185ms from UVLO-off)
