NJU7381 DUAL H BRIDGE DRIVER WITH COMPARATOR s GENERAL DESCRIPTION s Package Outline The NJU7381 is a dual H-bridge driver IC especially developed for low voltage small stepper motor applications. A pair of high efficiency CMOS H-bridge drivers, a built-in end-detection comparator and the advanced 2.5mm-square FFP package make it suitable for miniature micro stepping applications. NJU7381PC1 s FEATURES ?Operating Voltage 2.0V to 5.5V ?CMOS dual H-bridge drivers for stepper motor driving ?Motor Output Current 200mA(continuous), 400mA(peak) ?Built-in end-detection comparator ?Schmitt trigger logic input ?Thermal shutdown circuit ?Package Outline FFP16 (2.5×2.5×h0.85mm) -1- NJU7381 s BLOCK DIAGRAM - 2 - NJU7381 s PIN CONFIGURATIONS 12111099101112 1.INA2 9. COMP + 1388 132.VDD 10. VDD 1414773.INB2 11 NC 4.INB1 12. COMP OUT 1566 155.OUTB2 13. OUTA1 1616556.GND 14. GND 7.OUTB1 15. OUTA2 8.COMP - 16. INA1 23432114 TOP VIEWBOTTOM VIEW FFP-16 (Note) All VDD and GND pins should be connected the power supply and the ground respectively. Otherwise, the electrical characteristic may not satisfy specifications. s ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER RATINGS SYMBOL REMARKS (UNIT) Supply Voltage +7.0 VDD (V) Logic Input Voltage -0.3~VDD+0.3 VID(V) Motor Output Current 400 IOPEAK(mA) (Peak) Comparator 10 ICOPEAK(mA) Output Current Comparator +7.0 Vc(V) Output Voltage Operating Temperature -40~+85 Topr (°C) Storage Temperature -50~+150 Tstg (°C) Power Dissipation 300 PD (mW) On PCBoard s RECOMMENDED OPERATING CONDITIONS (Ta=25°C, VDD=3.3V) PARAMETER SYMBOLMIN. TYP. MAX. UNIT Supply Voltage Range Junction Temperature Motor Output Current VDD 2.0 - 5.5 V Tj -20 - 125 dg.C - 200 mA IO - -3-
NJU7381
