TLE8886TN - Infineon Technologies

Overview

TLE8886TN regulates 12V automotive multi-phase alternators with a rotating field winding

The alternator control IC TLE8886TN is a monolithic full featured regulator specifically designed for closed loop voltage control. It can be used in 12V automotive multi-phase alternators with a rotating field winding. This regulator is able to communicate with an Engine-Management or Energy-Management ECU through a standard LIN interface. The battery voltage is regulated at a precise value between 10.6V and 16V. By using free-adjustable parameters, the regulator is able to operate even without any communication interface. The TLE8886TN is compliant to the VDA and RSA-Nissan LIN Alternator Regulator specification.

Summary of Features

Qualified according to AEC-Q100
EEPROM for customer specific adjustments
Full digital and fast PI regulation
High-Side DMOS with R_DS(on)of 60mΩ @ 25°C for up to 12A excitation current
LIN 2.1 (Physical Layer and Datalink layer)
Very low stand-by current of 60 µA typical @ 25°C
Reverse battery protected up to -2.5V
8kV ESD protection for alternator
Duty cycle driven excitation current to the field winding in range from 0 to 100%
Load response control (LRC)
Temperature range -40°C to 175°C
Digital temperature compensation
Enhanced voltage measurement range (8V to 24V)
Speed measurement reporting via LIN

Benefits

Infineon offers 2 versions to be fully compliant to LIN VDA and LIN RSA-Nissan Alternator Regulator specifications:
Available in Automotive Industrial standard package PG-TO-220-5-12 with straight leads
- TLE8886TN Variant 1 (TLE8886TNAKSA1): LIN RSA-Nissan
- TLE8886TN Variant 2 (TLE8886TNAKSA2): LIN VDA

Potential Applications