Datasheet > 935308165431

935308165431

更新时间： 2024-09-17 15:45:43

品牌	Logo	应用领域
恩智浦 - NXP		接口集成电路
页数	文件大小	规格书
74页	499K
描述
Interface Circuit

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935308165431 技术参数

生命周期：	End Of Life	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.56
接口集成电路类型：	INTERFACE CIRCUIT	Base Number Matches：	1

935308165431 数据手册

UJA1169L

Mini high-speed CAN companion system basis chip

Rev. 1 — 15 February 2016

Product data sheet

1. General description

The UJA1169L mini high-speed CAN companion System Basis Chip (SBC) belongs to the

UJA1169 product series and can be used as a companion chip in applications where a

second SBC is dedicated to the application microcontroller. It contains an ISO

11898-2:201x (upcoming merged ISO 11898-2/5/6) compliant HS-CAN transceiver and an

integrated 5 V 250 mA scalable supply (V1) for additional transceivers and/or other loads.

It also features a watchdog and a Serial Peripheral Interface (SPI). The UJA1169L

companion SBC can be operated in very low-current Standby and Sleep modes with bus

and local wake-up capability.

The UJA1169L is designed to be used in applications that require more than one

transceiver or additional power supply resources. Using a standard device as the

secondary SBC in an application can be problematic. The secondary SBC will have a

different interface supply domain to the main SBC, creating a high risk of reverse supply

currents. The UJA1169L resolves this issue by providing a dedicated VIO input pin that

allows it to adapt to any other supply domain.

Incorporating the UJA1169L companion SBC in an application allows it to be easily scaled

or extended by adding, for example, an additional 5 V power supply, CAN transceiver,

off-board 5 V sensor supply or even a secondary independent watchdog function with

independent LIMP output for special ASIL-related applications.

The UJA1169L comes in four variants. The UJA1169LTK and UJA1169LTK/F feature a

second on-board 5 V regulator (V2) that supplies the internal CAN transceiver and can

also be used to supply additional on-board hardware.

The UJA1169LTK/X and UJA1169LTK/X/F are equipped with a 5 V supply (VEXT) for

off-board components. VEXT is short-circuit proof to the battery, ground and negative

voltages. The integrated CAN transceiver is supplied internally via V1.

The UJA1169LTK/F and UJA1169LTK/X/F variants support ISO 11898-6:2013 and

ISO 11898-2:201x compliant CAN partial networking with a selective wake-up function

incorporating CAN FD-passive. CAN FD-passive is a feature that allows CAN FD bus

traffic to be ignored in Sleep/Standby mode. CAN FD-passive partial networking is the

perfect fit for networks that support both CAN FD and classic CAN communications. It

allows normal CAN controllers that do not need to communicate CAN FD messages to

remain in partial networking Sleep/Standby mode during CAN FD communication without

generating bus errors.

The UJA1169L implements the standard CAN physical layer as defined in the current

ISO11898 standard (-2:2003, -5:2007, -6:2013). Pending the release of the upcoming

version of ISO11898-2:201x including CAN FD, additional timing parameters defining loop

delay symmetry are included. This implementation enables reliable communication in the

CAN FD fast phase at data rates up to 2 Mbit/s.

12 3 4 5 6 7...74

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