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
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
NJU7397 Wide Output Range Monaural Microphone Amplifier

(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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