Products > Integrated Circuits (ICs) > Audio ICs > BD49101AEFS-M
BD49101AEFS-M HTSSOP-A44
ROHM
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BD49101AEFS-M

Multi-Channel Power Supply IC For Car Audio Systems - BD49101AEFS-M

Manufacturer :
ROHM Semiconductor
Package/Case :
HTSSOP-A44
Product Categories :
Switching Regulators (Power Management IC for System) (39) ; For Car Audio Systems (2)
Datasheet:
BD49101AEFS-M PDF
RoHs Status:
Lead free / RoHS Compliant
In-stock:
573

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BD49101AEFS-M Product Details

ROHM introduces a new high efficiency system that reduces power consumption by 65% over conventional solution. The BD49101AEFS-M is power supply IC designed for car audio applications leverages ROHM's exoertise to achieve an optimized system based on a high-efficiency DC/DC converter. Suppressing heat generation makes it possible to adopt a surface mount package without requiring an external heat sink, simplifying thermal designs considerably while contributing to greater space savings. In addition, integrating all system power supplies required for car audio systems on a single chip � including for USB with a cable impedance function � contributes to a lighter design load. In recent years, along with the continued computerization comes a greater need for reducing power consumption and improving fuel consumption in vehicles. However, at the same time the growing demand for power consumption to meet the expanding functionality of car infotainment systems (i.e USB and Bluetooth) is becoming of increased concern. And conventional car audio system power supply ICs, although are generally easy to design, often are centered around a linear regulator which suffers from poor efficiency, reducing the operating efficiency of the entire system. In response, ROHM's DC/DC converter-based system power supply IC provides much greater efficiency, enabling support for the latest high-performance car audio systems.

Feature

  • 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

BD49101AEFS-M Block Diagram
(Picture: Diagram)

Technical Parameters

Grade Automotive Output Current Capacity 1 [A] -
Common Standard AEC-Q100 (Automotive Grade) Output Voltage2 (Min.)[V] -
Part Name Multi-channel Power Supply IC for Car Audio Systems Output Voltage2 (Max.)[V] -
ch 7 Output Current Capacity 2 [A] -
Vin1 (Min.)[V] 5.5 Operating Temperature (Min.)[°C] -40
Vin1 (Max.)[V] 25 Operating Temperature (Max.)[°C] 85
Output Voltage1 (Min.)[V] - Package Code HTSSOP-A44
Output Voltage1 (Max.)[V] -

BD49101AEFS-M Documents

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ROHM

ROHM
ROHM was founded in Kyoto, Japan in 1958. ROHM designs and manufactures semiconductors, integrated circuits and other electronic components. These components have a place in the rapidly changing an...
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