超声波泊车辅助系统(USPA, PAS, ...) - 艾尔默斯半导体技术（上海）有限公司

Ultrasonic (Distance Measurement) Master

Part-No. / Function	Interface	V_SUPPLY	V_DD	Iq	ESD	Bitrate	Package
E521.42 双路汽车DSI3主控收发器	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 第二代超声波传感器驱动器和信号处理器	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 第二代超声波传感器驱动器和信号处理器	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 高电压直接驱动超声波传感器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 高电压直接驱动超声波传感器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
E524.36 高电压直接驱动超声波传感器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
E524.37 高电压直接驱动超声波传感器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 带DSI接口的智能超声波传感器IC	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智能超声波停车辅助系统（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