BD49101AEFS-M
汽车音响用系统电源IC
BD49101AEFS-M
汽车音响用系统电源IC
BD49101AEFS-M是内置多个汽车音响所需电源的系统电源IC。本IC内置DC/DC 2ch、线性稳压器5ch、高边开关SW,微控制器、CD、调谐器、USB、照明、音响等可仅靠本IC供电。以高效率DC/DC电源为基础实施了系统化,比以往产品发热少。内置低消耗电流模式切换功能及电源控制功能等,实现了(1)高效率(2)低待机电流(3)简单的电源设计。
主要规格
功能安全:
特性:
ch
7
Vin1(Min.)[V]
5.5
Vin1(Max.)[V]
25
SW frequency(Max.)[MHz]
0.5
Circuit Current(Typ.)[mA]
5
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
18.5x9.5 (t=1)
Common Standard
AEC-Q100 (Automotive Grade)
特点:
- AEC-Q100 Qualified
- Integrated 7 channels of Power Supply for Car Audio
・2 DCDC (Integrated 1 Controller)
・5 REG - 1 High Side Switch channel
- Integrated Low Power Standby REG for MCU Power Supply
- REG4 Cable Impedance Compensation
- I²C Interface
- Selectable Oscillation Frequency using External Resistance
- External Clock Synchronization
- Power Supply Control Function (Power on/off Sequencer).
- Low Voltage, Over Voltage and REG4 Over Current Detect Flag
- Integrated Protection Circuitry:
・Over Voltage Input Protection
・Over Current Protection
・Thermal Shutdown