eCall Block Diagram

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eCall

RF Device RF Device Power Management Power Management Microphone Amplifier(ECM) Speaker Amplifier

(LDO) Power Management

products Features
NJM2830 Low Dropout Voltage Regulator
NJW4104 45V Io=200mA Ultra Low Quiescent Current Low Dropout Regulator

(Switching Regulators) Power Management

products Features
NJW4171 2.4MHz 2.5A MOSFET Switching Regulator IC for Buck Converter
NJW1871 Current Mode MOSFET Drive Step-Up / Fly-back Switching Regulator IC
NJW4175 600mA MOSFET Switching Regulator IC for Synchronous Buck Converter

(Microphone Amplifier (ECM))

products Features
NJU7907A Monaural Microphone Amplifier
NJU7397 Wide Output Range Monaural Microphone Amplifier
NJU72090 Fine Tune Sensitivity 2-wired Monaural Microphone Amplifier with Impedance converter for ECM
NJU72097 Fine Tune Sensitivity 2-wired Monaural Microphone Amplifier with Regulator for Microphone

(Speaker Amplifier)

products Features
NJU7089 High-Power & Low-Voltage Audio Power Amplifier
NJU8759 Analog Signal Input Monaural Filter Less 3.0W Class-D Amplifier
NJU72060 500mW Monaural Speaker Amplifier
NJU72065 1.2W Monaural Speaker Amplifier with Electronic Volume

(RF Switches) RF Device

products Features
NJG1812AMET-A SPDT Switch GaAs MMIC

(Low Noise Amplifiers) RF Device

products Features
NJG1155UX2 GNSS Low Noise Amplifier GaAs MMIC

(Front-End Modules) RF Device

products Features
NJG1159PHH GNSS Front-End Module
NJG1159PHH-A GNSS Front-End Module
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