ATA6620 ATMEL Corporation, ATA6620 Datasheet

ATA6620

Manufacturer Part Number

ATA6620

Description

Manufacturer

ATMEL Corporation

Datasheet

1.ATA6620.pdf (19 pages)

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Features

•

1. Description

ATA6620 is a fully integrated LIN transceiver, designed according to the LIN specifica-

tion 2.0, with a low-drop voltage regulator (5V/50 mA). The combination of voltage

regulator and bus transceiver makes it possible to develop simple, but powerful, slave

nodes in LIN Bus systems. ATA6620 is designed to handle the low-speed data com-

munication in vehicles (for example, in convenience electronics). Improved slope

control at the LIN driver ensures secure data communication up to 20 kBaud with an

RC oscillator for the protocol handling. The bus output is designed to withstand high

voltage. Sleep mode (voltage regulator switched off) and Silent mode (communication

off; V

Supply Voltage up to 40V

Operating Voltage V

Typically 10 µA Supply Current During Sleep Mode

Typically 40 µA Supply Current in Silent Mode

Linear Low-drop Voltage Regulator:

Voltage Regulator is Short-circuit and Over-temperature Protected

LIN Physical Layer According to LIN Specification Revision 2.0

Wake-up Capability via LIN Bus (90 µs Dominant)

TXD Time-out Timer (9 ms)

60V Load-dump Protection at LIN Pin

Bus Pin is Overtemperature and Short-circuit Protected versus GND and Battery

High EMC Level

5V CMOS-Compatible I/O Pins to MCU

ESD HBM 6kV at Pins LIN and VS

Interference and Damage Protection According to ISO/CD7637

Package: SO8

– Normal Mode: V

– Silent Mode: V

– Sleep Mode: V

Undervoltage Detection with Reset Output NRES (10 ms Reset Time)

voltage on) guarantee minimized current consumption.

is Switched Off

= 5V to 18V

= 5V ±7%/50 mA

= 5V ±2%/50 mA

LIN Bus

Transceiver

with Integrated

Voltage

Regulator

ATA6620

Preliminary

Rev. 4850A–AUTO–02/05

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