Overview
The L293DWPG4, produced by Texas Instruments, is a quadruple high-current half-H driver. This device is part of the L293x series, designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, and other high-current and high-voltage loads. The L293DWPG4 is characterized by its wide supply-voltage range of 4.5 V to 36 V and its ability to provide bidirectional drive currents.
The device features TTL-compatible inputs and high voltage outputs, making it suitable for a variety of applications requiring robust motor and load control. The L293DWPG4 is available in a 28-SOIC package, which includes an exposed pad for improved thermal dissipation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC2) | 4.5 to 36 | V |
| Input Voltage (VI) | 0 to 7 | V |
| Continuous Output Current (IO) | ±1 A (L293), ±600 mA (L293D) | A |
| Peak Output Current (IO) (nonrepetitive, t ≤ 100 µs) | ±2 A (L293), ±1.2 A (L293D) | A |
| Maximum Junction Temperature (TJ) | 150 | °C |
| Storage Temperature (Tstg) | -65 to 150 | °C |
| Propagation Delay Time (tPLH, tPHL) | 750 to 800 ns | ns |
| Transition Time (tTLH, tTHL) | 300 ns | ns |
Key Features
- Wide Supply-Voltage Range: 4.5 V to 36 V
- TTL-Compatible Inputs: Inputs are TTL compatible and tolerant up to 7 V
- High-Current Outputs: Up to 1 A per channel for L293, and up to 600 mA per channel for L293D
- Internal ESD Protection: Built-in protection against electrostatic discharge
- Output Clamp Diodes: Integrated in L293D for inductive transient suppression
- Separate Input-Logic Supply: VCC1 terminal for logic inputs to minimize power dissipation
- High-Noise-Immunity Inputs: Ensures reliable operation in noisy environments
Applications
- Stepper Motor Drivers: Suitable for driving bipolar stepping motors
- DC Motor Drivers: Can drive DC motors with high current and voltage requirements
- Latching Relay Drivers: Ideal for controlling latching relays
- Solenoid Drivers: Drives solenoids and other inductive loads efficiently
- Other High-Current/High-Voltage Loads: Suitable for various applications requiring robust load control
Q & A
- What is the supply voltage range for the L293DWPG4?
The supply voltage range for the L293DWPG4 is 4.5 V to 36 V.
- What is the maximum continuous output current for the L293 and L293D?
The maximum continuous output current is ±1 A for the L293 and ±600 mA for the L293D.
- What type of inputs does the L293DWPG4 have?
The L293DWPG4 has TTL-compatible inputs.
- Does the L293DWPG4 have integrated output clamp diodes?
No, the L293 does not have integrated output clamp diodes, but the L293D does.
- What is the maximum junction temperature for the L293DWPG4?
The maximum junction temperature is 150°C.
- What are the common applications of the L293DWPG4?
Common applications include stepper motor drivers, DC motor drivers, latching relay drivers, and solenoid drivers.
- What is the package type for the L293DWPG4?
The L293DWPG4 is available in a 28-SOIC package with an exposed pad.
- What is the propagation delay time for the L293DWPG4?
The propagation delay time (tPLH, tPHL) is between 750 to 800 ns.
- Does the L293DWPG4 have high-noise-immunity inputs?
- What is the storage temperature range for the L293DWPG4?
The storage temperature range is -65°C to 150°C.
