Datasheet > TLE7250GXUMA1

TLE7250GXUMA1

更新时间： 2024-02-04 18:45:36

品牌	Logo	应用领域
英飞凌 - INFINEON		电信光电二极管电信集成电路
页数	文件大小	规格书
22页	1476K
描述
Interface Circuit, PDSO8, GREEN, PLASTIC, SOP-8

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技术参数
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TLE7250GXUMA1 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Not Recommended	包装说明：	SOP,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	1 week
风险等级：	7.9	JESD-30 代码：	R-PDSO-G8
长度：	5 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	8
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	筛选级别：	AEC-Q100
座面最大高度：	1.75 mm	标称供电电压：	5 V
表面贴装：	YES	电信集成电路类型：	INTERFACE CIRCUIT
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	4 mm	Base Number Matches：	1

TLE7250GXUMA1 数据手册

TLE7250G

Functional Description

The TLE7250G is a High Speed CAN transceiver, operating as an interface between the CAN controller and the

physical bus medium. An HS CAN network is a two-wire, differential network, which allows data transmission rates

up to 1 Mbps. The characteristics of an HS CAN network are the two signal states on the CAN bus: “dominant”

and “recessive” (see Figure 3).

The CANH and CANL pins are the interface to the CAN bus and both pins operate as an input and output. The

RxD and TxD pins are the interface to the microcontroller. The TxD pin is the serial data input from the CAN

controller, and the RxD pin is the serial data output to the CAN controller. As shown in Figure 1, the HS CAN

transceiver TLE7250G includes a receiver and a transmitter unit, allowing the transceiver to send data to the bus

medium and monitor the data from the bus medium at the same time. The HS CAN transceiver TLE7250G

converts the serial data stream which is available on the transmit data input TxD, into a differential output signal

on the CAN bus, provided by the CANH and CANL pins. The receiver stage of the TLE7250G monitors the data

on the CAN bus and converts them to a serial, single-ended signal on the RxD output pin. A logical “low” signal

on the TxD pin creates a “dominant” signal on the CAN bus, followed by a logical “low” signal on the RxD pin (see

Figure 3). The feature of broadcasting data to the CAN bus and listening to the data traffic on the CAN bus

simultaneously is essential to support the bit-to-bit arbitration within CAN networks.

The voltage levels for HS CAN transceivers are defined by the ISO 11898-2 and the ISO 11898-5 standards.

Whether a data bit is “dominant” or “recessive” depends on the voltage difference between the CANH and CANL

pins:

V_DIFF= V_CANH- V_CANL.

In comparison with other differential network protocols, the differential signal on a CAN network can only be larger

than or equal to 0 V. To transmit a “dominant” signal to the CAN bus, the differential signal V_DIFFis larger than or

equal to 1.5 V. To receive a “recessive” signal from the CAN bus, the differential V_DIFFis smaller than or equal to

0.5 V.

“Partially-supplied” High Speed CAN networks are those where the CAN bus nodes of one common network have

different power supply conditions. Some nodes are connected to the common power supply, while other nodes

are disconnected from the power supply and in power-down state. Regardless of whether the CAN bus subscriber

is supplied or not, each subscriber connected to the common bus media must not interfere with the

communication. The TLE7250G is designed to support “partially-supplied” networks. In power-down state, the

receiver input resistors are switched off and the transceiver input has a high resistance.

Data Sheet

Rev. 1.1, 2013-07-22

1...4 5 678 9 10...22

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