BD49101AEFS-M数据手册集成电路（IC）的电源管理-专用规格书PDF

描述 Description

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。

特性 Features

• 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