THB7128-E

Ver1.3 Preliminary Specifications Product Name THB7128-E 1．Case Outline：19 pins (See attached case outline dimensions.) 2．Function ：PWM current control stepping motor driver 3．Application ：Industrial equipment etc. 4．Features： ・Output on-resistance (High side 0.3 Ω, Low side 0.25 Ω, Total 0.55 Ω; Ta = 25℃, IO = 2.5A) ・VMmax=40V(DC)，Iopmax=3.3A ・2, 1-2, W1-2, 2W1-2, 4W1-2, 8W1-2, 16W1-2, 32W1-2 phase excitation are selectable ・With built-in automatic half current maintenance energizing function ・Over current protection circuit ・Thermal shutdown circuit ・Input pull down resistance ・With reset pin and enable pin 5．Absolute Maximum Ratings／Tc=25℃ Parameter Symbol Conditions Ratings 40 3.3 6 3 -30 to +105 -40 to +125 Unit V A V V ℃ ℃ supply voltage Peak output current Logic input voltage VREF input voltage VMmax Iopmax VINmax VREFmax Tc Tstg Operating substrate temperature Storage temperature 6．Allowable Operating Ranges／Ta=25℃ Parameter Symbol Conditions Ratings 9 to 32 0 to 5 0 to 5 0 to 3 Unit V V V V A A A Supply voltage range Logic input voltage range VM VIN VCC VREF Io1 Io2 Io3 1-2Phase-ex，Tc≦90℃ 1-2Phase-ex，Tc=105℃ 2Phase-ex，Tc=105℃ VCC input voltage range VREF input voltage range Output current1 Output current2 Output current3 3.0 2.5 1.8 RoHS DIRECTIVE PASS 091218MA 023-09-0009 No.1 THB7128-E 7．Electrical Characteristics／Tc=25℃, VM=24V, VREF=1.5V Ratings Parameter Standby mode current drain Current drain Symbol Conditions Unit min. typ. 100 3.3 max. µA 4...