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ATA6842-PLSW Datasheet(PDF) 3 Page - ATMEL Corporation

Part # ATA6842-PLSW
Description  Automotive Failsafe System IC
PDF  29 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATA6842-PLSW Datasheet(HTML) 3 Page - ATMEL Corporation

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3
4964B–AUTO–07/07
ATA6842
Figure 1-1.
Block Diagram
V12S
CtrL
Control
Logic
8-Bit
SPI
12V switch
CtrL
WLP
UVM
WLN
RREF
GND
L
A
P
TEST
OUTN
OUTP
C2I
C2O
BSC
TCFET
RD1
RD4
RD3
RD2
CtrL
Enable
Test
12V Over/
undervoltage
monitor
Battery
undervoltage
monitor
Universal
lowside
Driver
CtrL
CtrL
CtrL
B2CI
B2CG
B2CO
Auxiliary
5V voltage
regulator
Main
5V voltage
regulator
Bandgap
reference
Bandgap
reference
Internal
voltage
regulator
Fully integrated
main
oscillator
Overtemperature
monitor
Watchdog
oscillator
Current bias
for all blocks
Watchdog
with reset
function
Universal
lowside
Driver
Universal
highside
driver
Highside
gate driver
with charge
pump
Lowside
driver
Lowside
driver
Lowside
driver
CtrL
Lowside
driver
Voltage
monitoring
Current
measurement
comparator
Current
measurement
comparator
Voltage
monitoring
comparator 1
Voltage
monitoring
comparator 2
CtrL
CtrL
(CtrL)
CtrL
CtrL
CtrL
CtrL
CtrL
CtrL
CtrL
CtrL
CtrL
CtrL
CtrL
IREF
B1CI
B1CG
B1CO
V12
DO
VRE
EK15
E5
B5
V5
B5A
RCOS
V5A
RESAN
RESN
WDT
RSTN
VI
CLK
DI
CSN
ERD
UVR
UVW
C1I
C1O



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