Infineon-based start / stop alternator control design scheme
Infineon offers a variety of products, from microcontrollers, sensors and transceivers to intelligent power drivers. By integrating technical and system expertise, Infineon has become a trusted partner that can help customers achieve higher performance in engine management and transmission, thereby reducing fuel consumption and exhaust emissions. The aim is to achieve these goals while improving the driving experience.
Improvements in powertrain (current and hybrid) and transmission technology can reduce CO2 emissions by 20%. Engine, transmission, and hybrid options are mutually exclusive, so the Fleet average is used as a benchmark.
Infineon's contribution is not only to provide products, but also to enable partners to optimize their electronic system settings through support, demonstration boards, etc.
System advantages
MOSFET rectification achieves higher efficiency for alternator
Higher output current achieved at low alternator RPM
The generator can also be used as a starter motor
Field-oriented starting alternator control 
Block diagram of start / stop alternator control scheme
Recommended Products
product | Explanation |
XC23xx | Powerful 16 / 32-bit microcontroller series with dedicated motor control features |
TLE 718x | 3-phase bridge driver IC series |
IBP180Nxx | OpTIMOS â„¢ -T 40V N-channel MOSFET series optimized for high current motor applications |
TLE 499x | Linear Hall sensor series for current sensing |
TLE 501x | IGMR sensor series for angle and rotor position sensing |
BTN 79xx | NovalithIC â„¢ power half-bridge for excitation current control |
TLE 6250 | CAN transceiver |
TLE 7259 | LIN transceiver |
TLE 72xx | Stabilizer |
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