汽车变速箱驱动产品.pdf

Transmission Product Overview What’s Driving your Transmission? Joseph M. Funyak K. Shawn Williams May 2010 Transmission Products: Solenoid Driver ICs TLE7241E TLE8242L TLE7241E in production TLE8242L in production Dual Low Side Current Control Solenoid Driver Eight Channel Low Side Current Dual Low Side Current Control Solenoid Driver Eight Channel Low Side Current Regulating Pre-Driver Integrated Power Transistors with typical Regulating Pre-Driver Integrated Power Transistors with typical Rds(on) = 240 mΩ Fixed Frequency, Variable Duty-Cycle Rds(on) = 240 mΩ Fixed Frequency, Variable Duty-Cycle Control Control Hysteretic Current Control Hysteretic Current Control Integrated P-I Controller For Each Current Control Range of 1.5A Integrated P-I Controller For Each Current Control Range of 1.5A Channel with Programmable Gains Channel with Programmable Gains with 10 Bit Resolution with 10 Bit Resolution Adjustable Current Control Range Adjustable Current Control Range Integrated Programmable Dither Generator Integrated Programmable Dither Generator