A8423

更新时间： 2024-09-16 22:26:51

品牌	Logo	应用领域
急速微 - ALLEGRO		总线收发器稳压器
页数	文件大小	规格书
8页	361K
描述
LIN Bus Transceiver with Integrated Voltage Regulator

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A8423 数据手册

Preliminary

Subject to Change without Notice

February 9, 2004

A8423

LIN Bus Transceiver with Integrated Voltage Regulator

The A8423 provides the physical interface requirements of the LIN

(Local Interconnect Network) serial communications bus plus an inte-

grated voltage regulator that is permanently enabled. These allow the

development of simple, inexpensive slave nodes in a LIN-Bus system.

A8423

The LIN transceiver is compatible with LIN-Bus systems that conform

to the LIN Protocol Speciﬁcation, Revision 1.2. It provides all the

necessary interface and timing control to convert signals to and from

the bidirectional LIN Bus to individual transmit and receive signals at

logic-compatible levels.

SOIC

VREG

VSUP

LIN

Regulator

Control

The A8423 provides regulated 5V output with a current limit in excess

of 50 mA. This is sufﬁcient to power a microcontroller handling the

LIN slave node protocol.

WAKE

GND

The A8423 is supplied in 8-lead plastic SOIC (part number sufﬁx L).

FEATURES

ꢀ

Compatible with LIN Bus, Revision 1.2 systems

Data rate up to 20 kbaud

Normal operation from 7 to 30 V

Handles 40 V transients during load dump

Handles automotive transients per ISO 7637

Unpowered node does not disturb the network

4 kV (hbm) ESD protection on LIN and WAKE pins

Low quiescent current regulator for slave microcontroller supply

Interface to slave microcontroller

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, VSUP Continuous.....................30 V

Supply Voltage, VSUP Transient (500 ms).........40 V

LIN Bus Voltage, LIN...........................–18 to +40 V

Wake Pin ...............................................–18 to +40 V

Logic Pins: RX, TX, EN...................... –0.3 V to 7 V

Package Power Dissipation, P_D......see chart, page 6

Operating Temperature Range

8-pin small outline surface mount package

Ambient Temperature, T_A..........–40°C to +125°C

Junction Temperature, T_J...........–55°C to +150°C

Storage Temperature, T_S..........–55°C to +150°C

APPLICATIONS

Automotive, industrial, and consumer LIN-Bus systems

Use the following complete part number when ordering:

Part Number

Package

Description

A8423KL

8-lead, SOIC

Continuous voltage regulator

12 3 4 5 6 7 8

中文翻译

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与A8423相关器件

型号	品牌	获取价格	描述	数据表
A8423KL	ALLEGRO	获取价格	LIN Bus Transceiver with Integrated Voltage Regulator
A8425	ALLEGRO	获取价格	High Current Photoflash Capacitor Charger
A8426	ALLEGRO	获取价格	High Performance Photoflash Capacitor Charger
A8426EESTR-T	ALLEGRO	获取价格	High Performance Photoflash Capacitor Charger with IGBT Driver
A8430	ALLEGRO	获取价格	White LED Driver Constant Current Step-up Converter
A8430EEK	ALLEGRO	获取价格	White LED Driver Constant Current Step-up Converter
A8430EEK-T	ALLEGRO	获取价格	White LED Driver Constant Current Step-up Converter
A8430EEKTR	ALLEGRO	获取价格	LED Driver, 1-Segment, 3 X 3 MM, 0.75 MM HEIGHT, MLP-5
A8430EEKTR-T	ALLEGRO	获取价格	LED Driver, 1-Segment, 3 X 3 MM, 0.75 MM HEIGHT, ROHS COMPLIANT, MLP-5
A8430EK	ALLEGRO	获取价格	LED Driver, 1-Segment, PDSO5, SOT-23, 5 PIN

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