Overview
The L6258EXTR, produced by STMicroelectronics, is a PWM controlled high current DMOS universal motor driver. This device is realized in BCD technology and is designed for motor control applications, capable of driving both windings of a bipolar stepper motor or bidirectionally controlling two DC motors. The L6258EXTR is an enhanced version of the L6258, offering improved specifications and features.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Vs | Supply voltage | 12 to 40 | V |
| VDD | Logic supply voltage | 4.75 to 7 | V |
| IO (continuous) | Output current per winding | 1.5 | A |
| IO (peak) | Peak start-up current per winding | 2 | A |
| Vboot | Bootstrap supply | Up to 60 | V |
| Tj | Junction temperature | 150 | °C |
| Tstg | Storage temperature range | -55 to 150 | °C |
| Vin | Logic input voltage range | -0.3 to 7 | V |
Key Features
- Able to drive both windings of a bipolar stepper motor or two DC motors.
- Output current up to 1.5A per winding in continuous mode, with peak start-up current up to 2A.
- Wide voltage range: 12V to 40V.
- Four quadrant current control, ideal for microstepping and DC motor control.
- Precision PWM control.
- No need for recirculation diodes.
- TTL/CMOS compatible inputs.
- Cross conduction protection.
- Thermal shutdown protection.
Applications
The L6258EXTR is suitable for various motor control applications, including:
- Bipolar stepper motor control.
- DC motor control.
- Microstepping applications.
- Industrial automation.
- Robotics.
- Automotive systems.
Q & A
- What is the L6258EXTR used for?
The L6258EXTR is used for motor control applications, specifically for driving bipolar stepper motors or bidirectionally controlling two DC motors.
- What is the output current capability of the L6258EXTR?
The output current capability is up to 1.5A per winding in continuous mode, with a peak start-up current of up to 2A.
- What is the voltage range of the L6258EXTR?
The L6258EXTR operates within a wide voltage range of 12V to 40V.
- Does the L6258EXTR require recirculation diodes?
No, the L6258EXTR does not require recirculation diodes as they are integrated into the device.
- What type of inputs does the L6258EXTR support?
The L6258EXTR supports TTL/CMOS compatible inputs.
- What protection features does the L6258EXTR have?
The L6258EXTR includes cross conduction protection and thermal shutdown protection.
- What is the junction temperature limit of the L6258EXTR?
The junction temperature limit is 150°C.
- What is the storage temperature range for the L6258EXTR?
The storage temperature range is -55 to 150°C.
- Can the L6258EXTR be used for microstepping applications?
- What package options are available for the L6258EXTR?
The L6258EXTR is available in PowerSO36 packages, offered in both tube and tape & reel packing options.
