AM5954A

Data Sheet 4-CHANNEL MOTOR DRIVER FOR DVD PLAYER General Description The AM5954A is a four-channel BTL driver IC for driving the motors and actuators in products for DVDplayer drivers. Two of the channels use current feedback to minimize the current phase shift caused by the influence of load inductance. This IC is an improved version of AZ5954. The AM5954A is available in HSOP-28 Package. AM5954A Features · · · Level Shift Circuit On Chip Internal Standby Mode Built-in Thermal Shutdown Circuit Applications · DVD Player www.DataSheet4U.com HSOP-28 Figure 1. Package Type of AM5954A Mar. 2007 Rev. 1. 4 1 BCD Semiconductor Manufacturing Limited Data Sheet 4-CHANNEL MOTOR DRIVER FOR DVD PLAYER Pin Configuration M28 Package HSOP-28 AM5954A VINFC CFCerr1 CFCerr2 VINSL+ VINSLVOSL VNFFC 1 2 3 4 5 6 7 28 27 26 25 24 23 22 STBY BIAS VINTK CTKerr1 CTKerr2 VINLD GND FIN (GND) FIN (GND) VCC PVCC1 PGND VOSLVOSL+ VOFCVOFC+ 8 9 10 11 12 13 14 21 20 19 18 17 16 15 PVCC2 VNFTK PGND VOLDVOLD+ VOTKVOTK+ Figure 2. Pin Configuration of AM5954A (Top View) Mar. 2007 Rev. 1. 4 2 BCD Semiconductor Manufacturing Limited Data Sheet 4-CHANNEL MOTOR DRIVER FOR DVD PLAYER Pin Description (Note 1) Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name VINFC CFCerr1 CFCerr2 VINSL+ VINSLVOSL VNFFC VCC PVCC1 PGND VOSLVOSL+ VOFCVOFC+ VOTK+ VOTKVOLD+ VOLDPGND VNFTK PVCC2 GND VINLD CTKerr2 CTKerr1 VINTK BIAS STBY Focus driver input For connection of ...