The L293 and L293D devices are quadruple superior present half-H motorists. The L293 is made to deliver bidirectional push currents of up to one A at voltages from four.5 V to 36 V. The L293D is designed to supply bidirectional push currents of as many as 600-mA at voltages from 4.five V to 36 V. Equally units are meant to push inductive loads this kind of as relays, solenoids, DC and bipolar stepping motors, at the same time as other significant present / higher voltage loads in constructive provide purposes.
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Each individual output is often a entire totem-pole push circuit, with a Darlington transistor sink and a pseudo- Darlington supply. Motorists are enabled in pairs, with motorists 1 and a pair of enabled by 1,2EN and motorists three and 4 enabled by 3,4EN. L293 and L293D are characterized for procedure from 0°C to 70°C.Other critical L293D functions are:Wide Supply-Voltage Assortment: 4.5 V to 36 V. Individual Input-Logic Offer. Inside ESD Security. High-Noise-Immunity Inputs. Output Current one A For each Channel (600 mA for L293D).
L293D is monolithic integrated high voltage, high current four channel driver designed to accept standard DTL or TTL logic levels and drive inductive loads and swiching power transistors.
peak Output Recent 2 A For each Channel (1.2 A for L293D). Output Clamp Diodes for Inductive Transient Suppression (L293D).But L293 can be a quadruple half h-bridge. 50 % an H-bridge will connect an output pin to either Vcc or Floor or disconnect it. Utilizing the one particular you are able to turn a DC motor on or off or use to brake but can’t reverse the motor. To reverse a DC motor you may need both of those halves of the H-bridge.
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