TLE8088 Product Brief

Product Brief
TLE8088
One Chip Engine Management
Power Interface Solution for Smallest 1 Cylinder Engines
Key Features
The TLE8088EM is an Engine Management System IC which includes the
minimum features to support 1 cylinder combustion engines with focus on the
state-of–the-art technology Electronic Fuel Injection (EFI).
The TLE8088EM contains a 5V power supply, a K-line transceiver and
2 power stages.
Basic protection and diagnosis features are included: Overtemperature,
„„5V
supply including watch dog
and reset
„„1
low-side driver for fuel injector
„„1
low-side driver for
multifunction indication lamp
„„K-line
transceiver
overcurrent protection, undervoltage reset and open-load in Off.
Key Benefits
„„Basic
1 cylinder engine
management system
functionality in one chip
„„Small
Applications
4 stroke small combustion engine for:
„„Motorcycle,
„„Watercraft,
2- and 3- wheelers and scooters
marines and jet-ski
„„Snow
mobiles, lawn-tractors or -mowers
„„Small
gasoline power generating sets
[ www.infineon.com/motorcycle ]
150 mil SSOP-24 package
saves board space
„„Qualified
according automotive
standard AEC-Q100
Product Brief
TLE8088
Block Diagram
TLE8088EM
The 5V voltage regulator supplies up to 150mA
VS
V5DD
NRO
WDI
current and features under-voltage reset, power-on
reset and watchdog. It includes protection circuits
5V Voltage
Regulator
against over-load, short circuit and over-temperature
Watchdog &
Reset
conditions. The low-side switch function and the
K-line transceiver are independent of the reset and
WDE
Rx
watchdog signals.
K-Line
Transceiver
Tx
The K-line transceiver is a serial link bus interface. It
KIO
provides bi-directional half-duplex communication
ST
interfacing using the special ISO K-line and meets
IN1
the ISO norm 9141 specification. The K-line bus
OUT1
output is protected against bus shorts and over
LS Driver 1
temperature conditions.
IN2
The low-side channels are optimized for the use in
OUT2
engine management systems.
LS Driver 2
AGND
Product
The recommended loads are:
GND
„„1
channel for injectors or simlar loads
„„1
channel for lamps or LEDs
Supply Voltage
5V Supply
Injector/Valve IOUT
MIL IOUT
Relay Driver
VRS I/F
K-Line
SPI I/F
Funct. Range
IV5DD (max.)
Max. < 2.6A
Max. < 3A
Max. < 350mA
Variable
acc. ISO 9141
Diagnosis/Control
(Nom. = 1.3A)
(Nom. = 300mA)
(Nom. = 300mA)
Reluctance Interface
[V]
[mA]
Interface
TLE8088
6 – 18
150
ü
ü
–
–
ü
–
TLE8080
6 – 18
250
2x ü
ü
2x ü
ü
ü
ü
MIL = Malfunction Indication Lamp
Published by
Infineon Technologies AG
85579 Neubiberg, Germany
© 2012 Infineon Technologies AG.
All Rights Reserved.
Visit us:
www.infineon.com
Order Number: B126-H9589-G1-X-7600
Date: 03 / 2012
Attention please!
The information given in this document shall in no event
be regarded as a guarantee of conditions or characteristics
(“Beschaffenheitsgarantie”). With respect to any examples
or hints given herein, any typical values stated herein and/
or any information regarding the application of the device,
Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property
rights of any third party.
Information
For further information on technology, delivery terms and
conditions and prices please contact your nearest Infineon
Technologies Office (www.infineon.com).
Warnings
Due to technical requirements components may contain
dangerous substances. For information on the types in
question please contact your nearest Infineon Technologies
Office. Infineon Technologies Components may only be
used in life-support devices or systems with the express
written approval of Infineon Technologies, if a failure of
such components can reasonably be expected to cause
the failure of that life-support device or system, or to affect
the safety or effectiveness of that device or system. Life
support devices or systems are intended to be implanted
in the human body, or to support and/or maintain and
sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons
may be endangered.