Datasheet > L9963T

L9963T

更新时间： 2024-09-25 14:58:11

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
45页	1581K
描述
汽车级通用型SPI到隔离式SPI收发器

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L9963T 数据手册

L9963T

Datasheet

Automotive general purpose SPI to isolated SPI transceiver

Features

•

AEC-Q100 qualified

Full ISO26262 compliant, ASIL-D systems ready

Compatible with both 3.3 V and 5 V logics

Supports both XFMR and Capacitive isolation

10 MHz SPI peripheral for SPI Slave operation. Configurable SPI frequency

(250 kHz to 8 MHz) for SPI Master operation

•

333 kbps and 2.66 Mbps Vertical InterFace (VIF) for isolated SPI communication

Low standby current

Application

•

Automotive: 48 V and high-voltage systems

Backup energy storage systems and UPS

Industrial communication networks

Portable and semi-portable equipment

Remote sensors

Description

L9963T is a general purpose SPI to isolated SPI transceiver intended to create a

communication bridge between devices located into different voltage domains.

Product status link

L9963T is able to transfer communication data incoming from a classical 4-wire

based SPI interface to a 2-wire isolated interface (and viceversa).

L9963T

Product summary

The transceiver supports both transformer and capacitive isolation, since the isolated

signal generated according to a proprietary protocol is suitable to be transmitted over

both decoupling circuitries.

Order code

Package

Packing

Tube

L9963T

SO16N

The device can be configured either as Slave or as Master of the SPI bus and

supports any protocol made of SPI frames 8 to 64 bit long. The transceiver manages

the transfer of the information without performing any protocol check.

L9963T-TR

Tape&Reel

Product label

SPI peripheral can work up to 10 MHz when configured as Slave. SPI clock

frequency can be programmed among (250 kHz; 1 MHz; 4 MHz; 8 MHz) when

configured as Master.

Isolated SPI peripheral features two different operating modes: slow @333 kbps and

fast @2.66 Mbps.

The asynchronicity between the two sides is internally managed, allowing all possible

configuration frequencies on both peripherals to be used in application.

L9963T features an internal queue of 3 slots for the frames received on the SPI port

and a queue of 20 slots for the ones received on the isolated SPI side. This allows

buffering and decoupling the two different clock domains.

The device is natively compatible with L9963 isolated SPI, allowing its usage in the

BMS applications.

L9963T is compatible with both 3.3 V and 5 V logics.

DS13590 - Rev 4 - July 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

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