TA8430AF

The TA8430AF is 2 phase bipolar stepping motor driver IC designed especially for low operating voltage use FDD and other portable equipments.

Features of the TA8430AF are:(1)2 phase bipolar stepping motor driver;(2)low voltage use : VCC opr =4V (Min.);(3)power save and stand-by mode available ICC stand-by 100A;(4)built-in punch through current restriction circuit;(5)1,2 and 1-2 phase excitation drive available;(6)C-MOS compatible inputs(INA,INB,PS,ST);(6)output current up to 400mA (AVE) and 600mA (PEAK);(7)sealed in PFP 16 SM package;(8)HEAT SINK is connected with GND with low impedance.

The maximum ratings of the TA8430AF can be summarized as:(1):the characteristic is supply voltage,the symbol is VCC,the rating is 8.0,the unit is V;(2):the characteristic is supply voltage,the symbol is VS,the rating is 8.0,the unit is V;(3):the characteristic is output current,the symbol is IO(MAX),the rating is ±600,the unit is mA;(4):the characteristic is output current,the symbol is IO(AVE.),the rating is ±400,the unit is mA;(5):the characteristic is input voltage,the symbol is VIN,the rating is GND-0.4 to VCC+0.4,the unit is V;(6):the characteristic is power dissipation,the symbol is PD,the rating is 1.4,the unit is W;(7):the characteristic is operating temperature,the symbol is Topr,the rating is -40 to 85,the unit is ;(8):the characteristic of the TA8430AF is storage temperature,the symbol is Tstg,the rating is -55 to 150,the unit is .