TLE888 datasheet(1/2 Pages) INFINEON

Part #	TLE888

Description	Flexible LIN alternator regulator IC family

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Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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Product brief

TLE888x

Flexible LIN alternator regulator IC family

The Infineon alternator control ICs are monolithic full featured regulators specifically de-

signed for closed loop voltage control for 12 V automotive multi-phase alternators with a

rotating field winding. They are qualified according to AEC-Q100 and tailored to withstand

the harsh conditions of the automotive environment. The regulators are able to commu-

nicate with an engine management or engery management ECU through a standard LIN

interface (LIN 1.3/LIN 2.1/LIN 2.2 – see product table on page 2). The battery voltage is

regulated at a precise value between 10.6 V and 16 V. By using free-adjustable parame-

ters, the regulators are able to operate even without any communication interface.

The family is compliant to various LIN alternator regulator specifications (see product

table on page 2) and thus qualified and released by leading OEMs.

The output driver stage consists of a high-side DMOS for up to 12 A excitation current to

the field winding. The product family provides 8 kV ESD protection for all alternator lines.

The EEPROM with adjustable parameters offers a customization of the alternator to the

specific OEM or application needs.

The TLE8881-2, latest addition to the Infineon LIN alternator regulator IC family, builds

upon the success of the existing ICs (TLE8880, TLE8881, TLE8886) while also offering

several advantages:

› Easy switch from existing applications using MFC or LIN interface

› Flexibility (LIN interface and enhanced EEPROM)

› Enhanced regulation behavior.

Applications

› 12 V automotive alternators with LIN interface

› 12 V truck alternators with LIN interface

› 12 V aftermarket alternators

› 12 V industrial generators

› FulldigitalandfastPIregulation

› High-sideDMOSwithR

DS(on) of 60 mΩ

› LIN1.3,LIN2.1,LIN2.2

› Verylowstand-bycurrentof60µAtyp.

› Reversebatteryprotectedupto-2.5V

› HighESDresistivityof8kV

› Dutycycle-rangefrom

0 to 100 percent

› LoadResponseControl(LRC)

› Temperaturerange-40°Cto175°C

› Digitaltemperaturecompensation

› AvailableinTO-220-5-12with

straight leads

Easy switch

› Assisting functions to simplify

design-in into existing

applications with MFC interface

› Compatible to existing

Infineon LIN alternator ICs

› Compliant to various LIN

generator regulator specifications

Flexibility

› LIN 1.3, LIN 2.1 & LIN 2.2

› Fully configurable LIN IDs and filters

› Enhanced EEPROM for customer

specific adjustments

Enhanced regulation behavior

› Speed dependent current limitation

› Speed and voltage dependent regu-

lation parameter settings

› Adapting overvoltage protection at

low speed (Low HEO)

Key features TLE888x family

Key benefits TLE8881-2TN

www.infineon.com/alternator

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