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AM2168

4096 x 4 STATIC R/W RANDOM-ACCESS MEMORY

4096x4StaticR/WRandom-AccessMemory

AM2168

Dual Full-Bridge PWM Motor Driver

Features 1)550mAcontinuousoutputcurrent 2)36Voutputsustainingvoltage 3)Internalclampdiodes 4)InternalPWMcurrentcontrol 5)Lowoutputsaturationvoltage 6)Internalthermalshutdowncircuitry

AM2168

Laser Printer; 1) 550mA continuous output current\n2) 36V output sustaining voltage\n3) Internal clamp diodes\n4) Internal PWM current control\n5) Low output saturation voltage\n6) Internal thermal shutdown circuitry;

To drive both windings of a bipolar stepper motor or to bi-directionally control two DC motors, AM2168 motor driver is designed for. Both bridges are capable of sustaining 36V and include internal pulse-width modulation (PWM) control of the output current to 550mA. Optimization is done at the outputs for low output saturation voltage drop (less than 1.8V total source plus sink at 500mA).For PWM current control, the maximum output current is determined by the user’s selection of a reference voltage and sensing resistor. Two logic-level inputs select output current limits of 0, 33%, 67%, or 100% of the maximum level. A PHASE input to each bridge determines load current direction. The bridges include both ground clamp and fly-back diodes for protection against inductive transients. Internally generated delays prevent cross-over currents when switching current direction. Special power-up sequencing is not required. A thermal protection circuitry disables the outputs if the chip temperature exceeds safe operating limits.The AM2168 is supplied in a 24-lead surface-mountable SOIC. Its batwing construction provides for maximum package power dissipation in the smallest possible construction. Also, Pb free product is available ( Please refer to Marking Identification ).

AM2168-35

4096 x 4 STATIC R/W RANDOM-ACCESS MEMORY

4096x4StaticR/WRandom-AccessMemory

AM2168-45

4096 x 4 STATIC R/W RANDOM-ACCESS MEMORY

4096x4StaticR/WRandom-AccessMemory

AM2168-55

4096 x 4 STATIC R/W RANDOM-ACCESS MEMORY

4096x4StaticR/WRandom-AccessMemory

AM2168-70

4096 x 4 STATIC R/W RANDOM-ACCESS MEMORY

4096x4StaticR/WRandom-AccessMemory