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ATA6602 Datasheet(PDF) 4 Page - ATMEL Corporation

Part No. ATA6602
Description  Microcontroller with LIN Transceiver, 5V Regulator and Watchdog
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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ATA6602 Datasheet(HTML) 4 Page - ATMEL Corporation

 
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4
4921C–AUTO–01/07
ATA6602/ATA6603
3.
LIN System-basis-chip Block
3.1
Features
Supply Voltage up to 40V
Operating Voltage V
S = 5V to 18V
Slew Rate Control According to LIN Specification 2.0
Supply Current During Sleep Mode Typically 10 µA
Supply Current in Silent Mode Typically 40 µA
Linear Low-drop Voltage Regulator:
– Normal Mode: V
DD = 5V ±2%/50 mA
– Silent Mode: V
DD = 5V ±7%/50 mA
– Sleep Mode: VDD is Switched Off
V
DD Undervoltage Detection (10 ms Reset Time) and Watchdog Reset Logically Combined at
Output NRES
Possibility of Boosting the Voltage Regulator with an External NPN Transistor
LIN Physical Layer According to LIN Specification 2.0
Wake-up Capability via LIN Bus or WAKE Pin
Wake-up Recognition
TXD Time-out Timer
Debug Mode Watchdog Is Switched Off
60V Load Dump Protection at LIN Pin
Bus Pin is Overtemperature and Short Circuit Protected versus GND and Battery
Adjustable Watchdog Time via External Resistor
Positive and Negative Trigger Input for Watchdog
5V CMOS Compatible I/O Pins to MCU
Analog Temperature Monitor Output
High EMC and ESD Level
3.2
Description
The LIN-SBC is a fully integrated LIN transceiver, complying with the LIN specification, and with
a low-drop voltage regulator for 5V/50 mA output and a window watchdog adjustable via an
external resistor. The voltage regulator is able to source 50 mA at V
S = 18V even at an ambient
temperature of 105°C. The output current of the regulator can be boosted by using an external
NPN transistor. This combination makes it possible to develop simple, but powerful and cheap,
slave nodes in LIN bus systems. LIN-SBC is designed to handle the low speed data communica-
tion in vehicles, for example, in convenience electronics. Improved slope control at the LIN driver
ensures secure data communication up to 20 kBaud. The bus output is capable of withstanding
60V. Sleep Mode and Silent Mode guarantee a very low current consumption.


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