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AS8530 数据表(PDF) 2 Page - ams AG

部件名 AS8530
功能描述  LIN Transceiver with Integrated Voltage Regulator and MCU Interface for Automotive Applications
PDF  33 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS8530 数据表(HTML) 2 Page - ams AG

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AS8530
LIN Transceiver with Integrated Voltage Regulator and
MCU Interface for Automotive Applications
www.ams.com/Lin_CompanionIC/AS8530
Revision 1.1
1 - 32
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.
It also 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 42V.
The product is available in ep-SOIC8 package.
2 Key Features

Operating voltage 6V to 18V

Linear, low-drop voltage regulator: VCC = 5V ±5% or 3.3V ±5%
as a factory programming option

50mA load current

Operating modes: Normal and Standby or Normal and Sleep as
a factory option

Typically 45µA quiescent current in standby mode,
Typically 35µA quiescent current in sleep mode

Under voltage reset with factory options

LIN bus transceiver l conforming to LIN 2.1, TX time out fail
safe feature, over temperature warning and shut down

Window watchdog if factory enabled

Micro controller 2-wire interface through shared pins for
watchdog trigger, monitoring, register read /write

Chip ID for traceability and module ID

8 Backup registers to store data during VCC shut down

ep-SOIC8 package

-40ºC to +125ºC ambient operating temperature
3 Applications
The AS8530 is a System Basis Chip for automotive LIN networked
sensor or actuator slaves.
VSUP
EN
VCC
Temperature
Limiter
TSHD
RESET
LIN
30k
RX
Receiver
VSUP
VCC
TX
Transmitter
GND
POR-VSUP
RESET_VSUP_N
15k
2-Wire
Interface
Window
Watchdog
(WWD)
LIN
Wakeup
Control
Signals
LIN Transceiver
RESET_VSUP_N
RESET_VCC_N
WWD Output
LDO
Mode
Control
POR-VCC
Reset
Block
Slew
Control
AS8530
Figure 1. AS8530 LIN Transceiver Block Diagram



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