L293 Quadruple Half-H Drivers | TI.com


Quadruple Half-H Drivers

Quadruple Half-H Drivers - L293

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The L293 and L293D devices are quadruple high-current half-H drivers. The L293 is designed to provide bidirectional drive currents of up to 1 A at voltages from 4.5 V to 36 V. The L293D is designed to provide bidirectional drive currents of up to 600-mA at voltages from 4.5 V to 36 V. Both devices are designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as well as other high-current/high-voltage loads in positive-supply applications.

Each output is a complete totem-pole drive circuit, with a Darlington transistor sink and a pseudo- Darlington source. Drivers are enabled in pairs, with drivers 1 and 2 enabled by 1,2EN and drivers 3 and 4 enabled by 3,4EN.

The L293 and L293D are characterized for operation from 0°C to 70°C.


  • Wide Supply-Voltage Range: 4.5 V to 36 V
  • Separate Input-Logic Supply
  • Internal ESD Protection
  • High-Noise-Immunity Inputs
  • Output Current 1 A Per Channel (600 mA for
  • Peak Output Current 2 A Per Channel (1.2 A for
  • Output Clamp Diodes for Inductive Transient
    Suppression (L293D)

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Parametrics Compare all products in Low-side switches

Drivers Per Package
Switching Voltage (Max) (V)
Output Voltage (Max) (V)
Peak Output Current (mA)
Delay Time (Typ) (ns)
Input Compatibility
Vol@Lowest Spec Current (Typ) (mV)
Iout/ch (Max) (mA)
Iout_off (Typ) (uA)
L293 L293D
4     4    
36     36    
36     36    
2000     1200    
800     800    
TTL     TTL    
1200     1200    
1000     600    
2     100    
Catalog     Catalog    
16PDIP     16PDIP