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參數(shù)資料
| 型號： | E910.48 |
| 廠商： | ELMOS SEMICONDUCTOR AG |
| 英文描述： | LIN transceiver with voltage regulator and watchdog |
| 中文描述： | LIN收發(fā)器和穩(wěn)壓器和看門狗 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 89K |
| 代理商： | E910.48 |
BUS IC
DC/DC CONVERTER
MOTOR DRIVER IC
RIPPLE COUNTER
16
BLOCK DIAGRAM
LIN transceiver with voltage regulator and watchdog
VBAT
μC
LIN transceiver
voltage regulator
SEL 3.3V/5V
watchdog
reset
&
control
VS
VS1
MOD
EN
SELRES
SELWD
WDIN
RESW
RESET
RxD
TxD
WU
BUS
VDD
VDDS
100n
VDDS
VS
PWR Option
FEATURES
Operating voltage range (VS)
3
V to
27
V
Two selectable output voltages:
5
V and
3
.
3
V ±
2
.
0
%
Output current
150
mA
Reset impulse durations (
10
ms,
100
ms) and threshold
levels are programmable
Selectable watchdog windows:
Fixed:
37
ms or
75
ms
Variable:
3
ms to
50
ms
LIN-bus interface, LIN specification
2
.
0
Output slew rate control to reduce EMI
Input voltage bus ranges from –
36
V to +
40
V
Wake up via bus
Standby current <
30
μA typical
Over temperature and output current protection
BUS pin protected of ESD voltage level
4
kV
SO
16
package
APPLICATION
Bus interface for Local Interconnect Network (LIN)
communication including μC supervisory
especially in automotive applications
DESCRIPTION
The IC is used as a voltage regulator with an integrated LIN-inter-
face in automotive applications. The voltage regulator supplies
an μC in the application.
Providing an integrated watchdog with adjustable window dura-
tion the IC offers the best performance as a “System Basic Chip”.
When the EN pin is active (high), the voltage regulator is turned
on and the output voltage VCC is available. Its quality is regulated
by sensing with the VCCS pin. The regulator is switched on by LIN-
Bus wake up request or by μC directly at pin EN.
The external resistor between VS and VS
1
keeps the internal pow-
Both
5
V and
3
.
3
V applications are possible by selecting the output
voltage on pin MOD with a digital signal. No precision feedback
resistors are required.
The reset output is active (low) at VCC low, power on, power off
and with watchdog timed out. The reset threshold of VCC as well
as the reset impuls duration have two programmable levels .
K-Bus transceiver
LIN- / K-Bus transceiver
LIN transceiver + VREG
LIN transceiver
LIN transceiver + VREG + WD
Single wire CAN transceiver
CAN transceiver
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