High Voltage Direct Drive Ultrasonic Sensor IC | E524.33/E524.34/E524.35 - Ultrasonic Park Assist Systems (USPA, PAS, ...) - Elmos Semiconductor SE

Ultrasonic (Distance Measurement) Master

Part-No. / Function	Interface	V_SUPPLY	V_DD	Iq	ESD	Bitrate	Package
E521.42 Dual Automotive DSI3 Master Transceiver	DSI3	7V to 20V	3.3V/5V	-	6	125kbit/s (master => slave) up to 444kbit/s (slave to master)	QFN20L4

Ultrasonic (Distance Measurement) IO pt-to-pt Interface

Part-No. / Function	Interface	Transducer frequency	Architecture	Transducer driver type / output	Measurable Distance*	V_SUPPLY	Package	Comment
E524.08 2nd Generation Ultrasonic Transducer Driver and Signal Processor	proprietary bidirectional IO (2-wire)	30kHz to 83kHz	pt-to-pt	transformer / 168mA to 354mA	10cm - 600cm	6V to 18V	QFN20L4	Excellent short and long range performance High robustness and sensor diagnostics Advanced IO communication interface
E524.09 2nd Generation Ultrasonic Transducer Driver and Signal Processor	proprietary bidirectional IO (3-wire)	30kHz to 83kHz	pt-to-pt	transformer / 168mA to 354mA	10cm - 600cm	6V to 18V	QFN20L4	Excellent short and long range performance High robustness and sensor diagnostics Advanced IO communication interface
E524.32 High Voltage Direct Drive Ultrasonic Sensor IC	proprietary bidirectional IO (2-wire)	30kHz to 83kHz	pt-to-pt	direct drive	10cm - 400cm	6V to 18V	QFN20L4	Best measurement performance without transformer High robustness and sensor diagnostics Near field detection
E524.33/E524.34/E524.35 High Voltage Direct Drive Ultrasonic Sensor IC	proprietary bidirectional IO (3-wire)	30kHz to 83kHz	pt-to-pt	direct drive	10cm - 400cm	6V to 18V	QFN20L4	Best measurement performance without transformer High robustness and sensor diagnostics Near field detection

Ultrasonic (Distance Measurement) DSI3 (or pt-to-pt) Interface

Part-No. / Function	Interface	Transducer frequency	Architecture	Transducer driver type / output	Measurable Distance*	V_SUPPLY	Package	Comment
E524.17 Smart Ultrasonic Sensor IC with DSI Interface	DSI3	30kHz to 125kHz	Bus or pt-to-pt	transformer / 190mA to 500mA	10cm – 600cm	6V to 24V	QFN20L5	Ultrasound signal coding Advanced DSI3 communication interface High robustness and sensor diagnosis

Ultrasonic (Distance Measurement) LIN Bus (or pt-to-pt) Interface

Part-No. / Function	Interface	Transducer frequency	Architecture	Transducer driver type / output	Measurable Distance*	V_SUPPLY	Package	Comment
E524.24 LIN Smart Ultrasonic Parking Assist (ROM)	LIN 2.2	30kHz to 125kHz	Bus or pt-to-pt	transformer / 188mA to 518mA	15cm - 500cm	8V to 18V	QFN20L5	Optimized ready-to-use and flexible standard software Cost optimized ROM version of E524.14
E524.36 Smart Direct Drive Ultrasonic Sensor IC with Dual Interface	DUAL-LIN	30kHz to 125kHz	Bus or pt-to-pt or ECU-less	direct drive	10cm - 400cm	6V to 24V	QFN20L4	Best price-performance ratio on system level Customer fee-programmable controller Development acc. ISO 26262 (up to ASIL-B)
E524.37 Smart Ultrasonic Sensor IC with Dual Interface	DUAL-LIN	30kHz to 125kHz	Bus or pt-to-pt or ECU-less	via transformer	10cm - 600cm	6V to 24V	QFN20L4	Best ultrasound measurement performance Customer fee-programmable controller Development acc. ISO 26262 (up to ASIL-B)

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