TLE8080 Product Brief

Product Brief
TLE8080
One Chip Engine Management
Power Interface Solution for Small 1 Cylinder Engines
Key Features
The TLE8080EM is an Engine Management System IC which includes basic
functionality to support 1 cylinder combustion engines with focus on the
state-of–the-art technology Electronic Fuel Injection (EFI).
„„5V
and reset
„„2
The TLE8080EM contains a 5V power supply with current up to 250mA, a K-line
transceiver and 5 power stages, a variable reluctance sensor interface and features
a SPI for control and diagnosis.
supply including watch dog
low-side drivers for fuel
injector and valves
„„1
low-side driver for
multifunction Indication lamp
Basic protection and diagnosis features are included: Overtemperature, overcurrent
„„2
protection, undervoltage reset and open-load in Off.
„„K-line
relay drivers
transceiver
„„Variable
Reluctance Sensor
interface
„„SPI
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 ]
control
Key Benefits
„„Small
150 mil SSOP-24 package
saves board space
„„One
chip solution
„„Qualified
according automotive
standard AEC-Q100
Product Brief
TLE8080
Block Diagram
TLE8080EM
A 5V voltage regulator provides up to 250mA
VS
current and features under-voltage reset, power-on
5V Voltage
Supply
Undervoltage
Detection
WD_DIS
CSN; SI;
SO; SCLK
V5DD
4
SPI
Watchdog
against over-load, short circuit and overtemperature
conditions. With an active reset all power stages and
NRO
Reset
reset and watchdog. It includes protection circuits
the K-line output are disabled and SPI commands
are ignored.
The K-line transceiver is a serial link bus interface. It
Relay 2
OUT5
provides bi-directional half-duplex communication
interfacing using the special ISO K-line and meets
LS Driver
the ISO norm 9141 specification. The K-line bus
Relay 1
OUT4
output is protected against bus shorts and overtemperature conditions.
LS Driver
5 low-side channels are optimized for the use in
Valve
IN3
OUT3
engine management systems. Recommended loads
are:
LS Driver
„„2
MIL
OUT2
LS Driver
Injector
IN1
OUT1
LS Driver
2
VR_IN1; VR_IN2
solenoids
„„1
channel for lamps or LEDs
„„2
channels for relays
The Variable Reluctance Sensor (VRS) interface
converts an output signal of a VRS into an 5V logic
VR_OUT
VR Sensor
2
Rx; Tx
channels for Injector valves or similar sized
KIO
K-Line
AGND
level compatible to 5V input ports of an micro
controller.
The diagnosis and control interface is based on a
Serial Peripheral Interface (SPI).The SPI is a 16-bits
PGND
full duplex synchronous serial slave interface.
Product
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-H9590-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).
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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
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the failure of that life-support device or system, or to affect
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sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons
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