AM5901A

Data Sheet 4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER General Description The AM5901A is a 4-channel motor driver with power controller that includes the reset, battery charge and reduced voltage detection circuits required for portable CD/MP3/VCD players on a single chip. This kind of IC is provided with lower startup voltage and power consumption than similar products, its driver block power supply uses on-chip switching regulator, making this component an ideal choice for low-power sets. It is used in mini portable compact disc players (CDP), portable mini disc players (MD), disc-man or other portable compact disc media. The AM5901A is available in PQFP-44 and LQFP-44 packages. AM5901A Features · · · · · · · · 4-channel H-bridge Driver Built-in DC/DC Converter Control Circuit Built-in Reset Circuit Built-in Reduced Voltage Detection Circuit Built-in Battery Charging Circuit Built-in General-purpose Operational Amplifier Built-in Thermal Shutdown Circuit Low Power Consumption Applications · · · · · Portable Compact Disc Player (CDP) Portable Mini Disc Player Portable Disc-man Portable CD/MP3/VCD Other Portable Compact Disc Media www.DataSheet4U.com PQFP-44 LQFP-44 Figure 1. Package Types of AM5901A Mar. 2007 Rev. 1. 3 1 BCD Semiconductor Manufacturing Limited Data Sheet 4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER Pin Configuration F44 Package (PQFP-44) RCHG OUT1R OUT1F OUT2R OUT2F POWGND OUT3F OUT3R OUT4F OUT4R BRAKE1 AM5901A 33 AMUTE 32 31 30 29 28 27 ...