AU5790 datasheet(2/20 Pages) PHILIPS

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Philips Semiconductors

Product data

AU5790

Single wire CAN transceiver

2001 May 18

853-2237 26343

FEATURES

• Supports in-vehicle class B multiplexing via a single bus line with

ground return

• 33 kbps CAN bus speed with loading as per J2411

• 83 kbps high-speed transmission mode

• Low RFI due to output waveshaping

• Direct battery operation with protection against load dump, jump

start and transients

• Bus terminal protected against short-circuits and transients in the

automotive environment

• Built-in loss of ground protection

• Thermal overload protection

• Supports communication between control units even when

network in low-power state

• 70 µA typical power consumption in sleep mode

• 8- and 14-pin small outline packages

• ±8 kV ESD protection on bus and battery pins

DESCRIPTION

The AU5790 is a line transceiver, primarily intended for in-vehicle

multiplex applications. The device provides an interface between a

CAN data link controller and a single wire physical bus line. The

achievable bus speed is primarily a function of the network time

constant and bit timing, e.g., up to 33.3 kbps with a network

including 32 bus nodes. The AU5790 provides advanced

sleep/wake-up functions to minimize power consumption when a

vehicle is parked, while offering the desired control functions of the

network at the same time. Fast transfer of larger blocks of data is

supported using the high-speed data transmission mode.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

VBAT

Operating supply voltage

5.3

Tamb

Operating ambient temperature range

–40

+125

°C

VBATld

Battery voltage

load dump; 1s

+40

VCANHN

Bus output voltage

3.65

4.55

Bus input threshold

1.8

2.2

tTrN

Bus output delay, rising edge

6.3

µs

tTfN

Bus output delay, falling edge

µs

tDN

Bus input delay

0.3

µs

IBATS

Sleep mode supply current

100

µA

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

ORDER CODE

DWG #

SO8: 8-pin plastic small outline package

–40

°C to +125 °C

AU5790D

SOT96–1

SO14: 14-pin plastic small outline package

–40

°C to +125 °C

AU5790D14

SOT108–1

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