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BD49101ARFS-ME2 Datasheet(PDF) 1 Page - Rohm

Part # BD49101ARFS-ME2
Description  Multi-channel Power Supply IC for Car Audio Systems
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD49101ARFS-ME2 Datasheet(HTML) 1 Page - Rohm

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Product structure:Silicon monolithic integrated circuit ○This product is not designed for protection against radioactive rays
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1/41
TSZ02201-0V3V0AP00090-1-2
© 2016 ROHM Co., Ltd. All rights reserved.
20.Sep.2016 Rev.001
TSZ22111・14・001
www.rohm.com
Multi-Channel Power Supply LSI Series for Car Electronics
Multi-channel Power Supply IC
for Car Audio Systems
BD49101ARFS-M
General Description
The BD49101ARFS-M LSI is a multi-channel power
supply IC that can provide all necessary supply voltages
for automobile audio systems. The IC has two Switching
Power Supplies (DCDC), five Regulators (REG) and a
High Side switch. This single power supply system can
provide the required voltages to all systems including the
MCU, CD, tuner, USB, illumination, audio circuits and
others.
The IC system is based on switching regulator which
has high efficiency then you can suppress heat of IC
than before. And it has low power mode operation or
voltage control function so that you can get ①High
Efficiency ②Low IQ and ③easiness of power supply
design.
Features
AEC-Q100 Qualified
(Note1)
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
I
2C Interface
Selectable Oscillator 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
(Note1:Grade3)
Applications
Car Audio and Infotainment
Key Specifications
Input Voltage Range:
5.5V to 25V(VIN0=BCAP)
DCDC1(controller):
DCDC2(with low power mode for MCU):
1A
REG1(output voltage variable):
500mA
REG2(output voltage variable):
100mA
REG3(output voltage variable):
300mA
REG4(output voltage variable for USB):
1.5A
REG5(output voltage variable):
50mA
High side SW:
500mA
Standby Current:
100µA(Typ)
REG4 Over Current Detect Accuracy:
±
20%
Operating Temperature Range:
-40°C to +85°C
DCDC Switching Frequency:
200kHz to 500kHz
Package
W(Typ) x D(Typ) x H(Max)
HTSSOP-A44R
18.50mm x 9.50mm x 1.00mm
HTSSOP-A44R
Datasheet


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