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PDF AS8530 Data sheet ( Hoja de datos )
| Número de pieza | AS8530 | |
| Descripción | LIN Transceiver | |
| Fabricantes | austriamicrosystems AG | |
| Logotipo |  |
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Preliminary Data Sheet
www.DataSheet4U.com
AS8530
LIN Transceiver with Integrated Voltage Regulator and
MCU Interface for Automotive Applications
1 General Description
The AS8530 is a general purpose companion IC for sensor and
actuator LIN slaves offering LIN transceiver and low drop voltage
regulator.
As well it provides a 2-wire microcontroller interface through shared
EN and TX pins to access a window watchdog with RC oscillator,
control registers, backup registers and monitoring information.
The IC is fabricated in a high voltage CMOS technology which is
able to withstand voltages up to 50V.
The product is available in SOIC package with exposed pad.
Under voltage reset with factory options
LIN bus transceiver with load independent slew control
conforming to LIN 2.1 and SAE J2602, short circuit protection,
TX time out fail safe feature, over temperature warning and shut
down
6kV ESD on LIN pin according to IEC 61000-4-2
Window watchdog if factory enabled.
Micro controller 2-wire interface through shared pins for watch-
dog trigger, monitoring, register read /write
Chip ID for traceability and module ID
8 Backup registers to store data during VCC shut down
2 Key Features
Operating voltage 6 to 18V, max 42V for 500ms
8 pin epSOIC package
-40ºC to +125ºC ambient operating temperature
Linear, low-drop voltage regulator: VCC = 5V±3% or 3.3V as a
factory programming option
3 Applications
50mA load current
Operating modes: Normal and Standby or Normal and Sleep as
a factory option
The AS8530 is a System Basis Chip for automotive LIN networked
sensor or actuator slaves.
Typically 40µA quiescent current in standby mode, Typically
30µA quiescent current in sleep mode
Figure 1. AS8530 LIN Transceiver Block Diagram
VSUP
EN
BUS
GND
LDO
VCC
POR-VSUP
Temperature
Limiter
AS8530
POR-VCC
RESET_VSUP_N
TSHD
Mode
Control
Control
Signals
RESET_VCC_N
Reset
WWD Output Block
RESET_VSUP_N LIN Wakeup
2 wire inter-
face
Window
Watchdog
(WWD)
VSUP
Receiver
30k
Transmitter
LIN Transceiver
Slew
Control
VCC
RESET
VCC
15k
RX
TX
www.austriamicrosystems.com/Lin_CompanionIC/AS8530
Revision 0.01
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1 page  
AS8530
Preliminary Data Sheet - Absolute Maximum Ratings
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5 Absolute Maximum Ratings
Stresses beyond those listed in Table 2 may cause permanent damage to the device. These are stress ratings only, and functional operation of
the device at these or any other conditions beyond those indicated in Section 6 Electrical Characteristics on page 6 is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Table 2. Absolute Maximum Ratings
Parameter
VSUP
Min Max Units
-0.3 18
42
V
Comments
Transient up to 500ms duration
DC Supply Voltage
EN
-0.3
VSUP +
0.3
V
VCC
-0.3 7
V
LIN
-27 +40
V
RESET, RX, TX
Input current (latchup immunity) Iscr
-0.3 VCC + 0.3 V
-100 100
mA
±2
±4
Norm: Jedec 78
For on board signals VCC, TX, RX, Reset
For VSUP
Electrostatic Discharge (ESD)
±8
±6
kV LIN to VSS, HBM Model
LIN to VSS, IEC6100-4-2
±0.5 LIN to VSS, CDM
±0.1 LIN to VSS, MM
Total operating power dissipation (all supplies and
outputs) Pt
0.4
W
epSOIC8 in still air, soldered on JEDEC standard
board @125º ambient, static operation = no time limit
Thermal Package Resistance (Rth)
33
K/W
Soldered on JEDEC standard board @125º ambient,
static operation = no time limit
Storage temperature (Tstrg)
Package body temperature (Tbody)
-55 +150 ºC
The reflow peak soldering temperature (body
+260
ºC
temperature) is specified according IPC/JEDEC J-
STD-020C “Moisture/Reflow Sensitivity Classification
for Non hermetic Solid State Surface Mount Devices”.
Humidity non-condensing
5 85 %
www.austriamicrosystems.com/Lin_CompanionIC/AS8530
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5 Page 
AS8530
Preliminary Data Sheet - Electrical Characteristics
www.DataSheet4U.com
Table 11. Two Port Serial Interface
Symbol
Parameter
Conditions
tDI_HZ
Data in to high impedance delay
Timing parameters when entering 2-Wire SP mode
time for the Microcontroller to release
the TX bus
Ttx_su
Ttx_hd
Ttx_SP_trigger
TSTNDY_trigger
Ten_ENSCLK
TX setup time before EN goes Low
TX hold time after EN goes High
EN falling edge to TX falling edge
TX high time from EN falling edge
EN falling edge to start of 2-wire serial
port clock
To enter into 2-Wire SP mode.
To enter into Sleep/Standby mode.
Min
20
20
2
5
5
Typ Max Units
80 ns
ns
ns
10 µs
cycles
cycles
www.austriamicrosystems.com/Lin_CompanionIC/AS8530
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