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Alternator Regulator with LIN0 pages
Freescale Semiconductor
Advance Information
Document Number: TC80310
Rev 4.0, 12/2013
Alternator Regulator with LIN
80310
The 80310 is an integrated circuit intended to regulate the output
voltage of an automotive alternator.
The IC supplies a current via a high side MOSFET to the excitation
coil of the alternator and provides an internal freewheeling diode. It
keeps the battery at its nominal charge and delivers current to
electrical devices within the vehicle.
The 80310 also provides a load response control mechanism
(LRC), and has an interface for the industry standard LIN protocol
(Revision 1.3) to allow an ECU to control the regulated voltage and the
LRC rate among other parameters. The ECU also can read back
information about the status of the regulator and the alternator via LIN.
It can be programmed for most functions using OTP (Non-volatile
memory) and fit a large number of alternators and applications.
AUTOMOTIVE ALTERNATOR
REGULATOR
Features
•
•
•
•
•
•
•
•
•
High side field driver
Internal freewheeling diode
Up to 8.0 A rotor current (excitation coil)
Load response control (LRC)
Thermal protection
Thermal compensation
LIN interface
Set point voltage selectable from 10.6 to 16 V
Rotor control and die temperature monitoring via LIN
TOP VIEW
ORDERING INFORMATION
Device
Temperature
Range (TJ)
Package
Devices part numbers are dependant on programming from
factory.
TO3 - Contact sales for information on limited engineering
sample quantities. Production version is die sales only.
1.5 μF/2.2 μF
Stator
Master
ECU
B+A
PH1
LIN
PH2
SGND
EXC GND
Diagnose
Control
TC80310
Battery
Rotor
Coil
+
-
Alternator
Figure 1. 80310 Simplified Application Diagram (LIN Mode)
1.5 μF/2.2 μF
Stator
B+A
PH1
LIN
PH2
SGND
EXC GND
TC80310
Rotor
Coil
Battery
+
-
Alternator
Figure 2. 80310 Simplified Application Diagram (Standalone, Self-start Mode)
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2009-2013. All rights reserved.
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