Datasheet > TJR1448BT

TJR1448BT

更新时间： 2024-09-16 02:49:55

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
37页	384K
描述
Dual high-speed CAN transceiver with Standby mode

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TJR1448BT 数据手册

TJR1448

Dual high-speed CAN transceiver with Standby mode

Rev. 1 — 7 September 2020

Product data sheet

1 General description

The TJR1448 is a member of the TJR144x family of transceivers that provide an

interface between a Controller Area Network (CAN) or CAN FD (Flexible Data rate)

protocol controller and the physical two-wire CAN bus. TJR144x transceivers implement

the CAN physical layer as defined in ISO 11898-2:2016 and SAE J2284-1 to SAE

J2284-5, and are fully interoperable with high-speed Classical CAN and CAN FD

transceivers. All TJR144x variants enable reliable communication in the CAN FD fast

phase at data rates up to 5 Mbit/s and are qualified to AEC-Q100 Grade 0, supporting

operation at 150 °C ambient temperature.

The TJR1448 is intended as a simple replacement for dual high-speed Classical CAN

and CAN FD transceivers, such as the TJA1059 from NXP. It offers pin compatibility and

is designed to avoid changes to hardware and software design, allowing the TJR1448 to

be easily retrofitted to existing applications.

An AEC-Q100 Grade 1 variant, the TJA1448, is available to support operation at 125 °C

ambient temperature.

1.1 TJR1448 variants

The TJR1448 comes in three variants. The TJR1448A and TJR1448B are available in

SO14 and HVSON14 packages. The TJR1448C comes in a HVSON14 package:

• The TJR1448A is a dual high-speed CAN transceiver with Normal and Standby modes

and a VIO supply pin. The VIO pin allows for direct interfacing with 3.3 V and 5 V-

supplied microcontrollers.

• The TJR1448B is a high-speed CAN transceiver with Normal and Standby modes.

• The TJR1448C is a dual high-speed CAN transceiver with Normal and Standby modes,

a VIO supply pin and RXD latching. The VIO pin allows for direct interfacing with 3.3 V

and 5 V-supplied microcontrollers.

2 Features and benefits

2.1 General

• ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5 and SAE J1939-14 compliant

• Standard CAN and CAN FD data bit rates up to 5 Mbit/s

• Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI)

• Qualified according to AEC-Q100 Grade 0

• TJR1448A/C only: VIO input for interfacing with 3.3 V to 5 V microcontrollers

• Fully independent control of two transceivers combined monolithically in a single

package

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