TPIC1021A-Q1 Datasheet, PDF (1/20 Pages) Texas Instruments – LIN PHYSICAL INTERFACE

TPIC1021A-Q1
www.ti.com.......................................................................................................................................................... SLIS117A – AUGUST 2007 – REVISED JUNE 2009
LIN PHYSICAL INTERFACE
FEATURES
1
• LIN Physical Layer Specification Revision 2.0
Compliant and Conforms to SAEJ2602
Recommended Practice for LIN
• LIN Bus Speed up to 20-kbps LIN Specified
Maximum
• Sleep Mode: Ultralow Current Consumption,
Allows Wake-Up Events From LIN Bus,
Wake-Up Input (External Switch), or Host MCU
• High-Speed Receive Capable
• ESD Protection to ±12 kV (Human-Body Model)
on LIN Pin
• LIN Pin Handles Voltage From –40 V to 40 V
• Survives Transient Damage in Automotive
Environment (ISO 7637)
• Extended Operation With Supply From 7 V to
27 V DC (LIN Specification 7 V to 18 V)
• Interfaces to MCU With 5-V or 3.3-V I/O Pins
• Dominant State Timeout Protection
• Wake-Up Request on RXD Pin
• Control of External Voltage Regulator (INH Pin)
• Integrated Pullup Resistor and Series Diode
for LIN Slave Applications
• Low Electromagnetic Emission (EME), High
Electromagnetic Immunity (EMI)
• Bus Terminal Short Circuit Protected for
Short to Battery or Short to Ground
• Thermally Protected
• Ground Disconnection Fail Safe at System
Level
• Ground Shift Operation at System Level
• Unpowered Node Does Not Disturb the
Network
• Supports ISO9141 (K-Line)-Like Functions
FUNCTIONAL BLOCK DIAGRAM
TPIC1021A
RXD
EN
NWake
V_SUP
Filter
V_SUP/2
Receiver
Wake Up, State,
and INH Control
Filter
Fault
Detection
and Protection
INH
V_SUP
LIN
TXD
Dominant
State
Timeout
Driver
With Slope
Control
GND
1
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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