供应L9637D单片总线驱动器OBD 通信IC

Monolithic bus driver with ISO 9141 interface(ISO 9141单片机接口)

 

Features
■ Operating power supply voltage range
4.5 V ≤ VS ≤ 36 V (40 V for transients)
■ Reverse supply (battery) protected down to
VS ≥ -24 V
■ Standby mode with very low current
consumption ISSB ≤ 1 mA @ VCC ≤ 0.5 V
■ Low quiescent current in off condition
ISOFF = 120 μA
■ TTL compatible TX input
■ Bidirectional K-I/O pin with supply voltage
dependent input threshold
■ Overtemperature shut down function Selective
to K-I/O pin
■ Wide input and output voltage range
-24 V ≤ VK ≤ VS
■ K output current limitation, typ. IK = 60 mA
■ Defined OFF output status in undervoltage
condition and VS or GND interruption
■ Controlled output slope for low EMI

■ High input impedance for open VS or GND
connection
■ Defined output ON status of LO or RX for open
LI or K inputs
■ Defined K output OFF for TX input open
■ Integrated pull up resistors for TX, RX and LO
■ EMI robustness optimized

OBD 通信

板载诊断 (OBD) 指的是汽车的自我诊断和报告功能。 OBD 系统借助一标准插座连接器和一特殊串行通信协议，可让维修人员获取各种汽车子系统的健康信息。

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地址：广东深圳深圳市深南东路金城大厦3-10-A//柜台:深圳市华强北路新华强电子世界Q3B026室