product brief single phase full wave direct pwm motor driver am4962 apr. 2009 bcd semiconductor manufacturing limited 1 description the am4962 is a full wave driver ic with direct pwm control function. it is used for single phase motor and is capable of speed control by pwm pulse. the am4962 is available in htssop-14 and ssop-16 packages. features ? the motor speed is controlled by pwm pulse directly ? built-in triangle wave circuit without extra oscillation capacitor ? built-in hall bias circuit ? built-in minimal speed setup circuit ? slope k* adjustable ? rotation speed indication (fg) ? rotation or lock state indication (rd) ? built-in thermal shutdown circuit ? lock protection and auto-restart ? output current limit * slope k is the slope of output pwm duty vs. input pwm duty applications ? cpu cooler fan in pc ? brushless dc motor driver parametric table (v cc =12v, t a =2 5 , unless otherwise noted.) quiescent current (ma) 15 output saturation voltage at high side (v) 1.0 output saturation voltage at low side (v) 0.2 cpwm frequency (khz) 25 cf high level voltage (v) 3.6 cf low level voltage (v) 1.95 fg output low level voltage (v) 0.2 rd output low level voltage (v) 0.2 benefits ? low start-up voltage of 3.5v ? low supply current ? maximum output current of 1.0a ? with output current limit ? minimum external components ? easier pcb layout and production ? high performance and cost-effect solution ? flexible choice of packages as application?s need: ssop-16 and htssop-14 additional available materials ? samples ? data sheet ? reliability report ? esd report
product brief single phase full wave direct pwm motor driver am4962 apr. 2009 bcd semiconductor manufacturing limited 2 2 3 4 5 6 7 8 15 14 13 12 11 10 9 16 1 out2 nc vcc vmin pwm cf fg rd hin+ hb hin- radj ct gnd out1 pgnd 1 2 3 4 5 6 7 14 13 12 11 9 8 10 out2 vcc vmin pwm cf fg rd hin+ hb hin- radj ct gnd out1 pgnd pgnd pin configuration htssop-14 ssop-16
product brief single phase full wave direct pwm motor driver am4962 apr. 2009 bcd semiconductor manufacturing limited 3 ordering information example package temperature range part number marking id packing type am4962gh-g1 am4962gh-g1 tube htssop-14 am4962ghtr-g1 am4962gh-g1 tape & reel AM4962GS-G1 AM4962GS-G1 tube ssop-16 -30 to 90 c am4962gstr-g1 AM4962GS-G1 tape & reel detailed information please refer to the relevant datasheet. sales office: shanghai no. 1600, zi xing road, shan ghai zizhu science-based industrial park, 200241, china tel : 86-21-24162266 fax : 86-21-24162277 taiwan 4f, 298-1 rui guang road, nei-hu district, taipei, taiwan tel : 886-2-2656-2808 fax : 886-2-2656-2806 usa 30920 huntwood ave. hayward, ca 94544, usa tel : +1-510-324-2988 fax : +1-510-324-2788 shenzhen room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel : 86-755-8826 7951 fax : 86-755-8826 7865
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