Overview
The STMicroelectronics E-TEA3718SFPTR is a bipolar monolithic integrated circuit designed to control and drive the current in one winding of a bipolar stepper motor. This device is part of the TEA3718 series and is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) package. It is suitable for use in various stepper motor applications, offering a wide range of current control and thermal protection features.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | E-TEA3718SFPTR |
| Package | 20-SOIC |
| Mount | Surface Mount |
| Number of Pins | 20 |
| Max Supply Voltage | 45V |
| Min Supply Voltage | 10V |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Output Current | 1.5A |
| Nominal Supply Current | 25mA |
| Interface | Parallel |
| Logic Function | AND |
| Packaging | Tape & Reel |
| RoHS Compliance | Yes |
| Lead Free | Yes |
Key Features
- Half-step and full-step mode: Supports both half-step and full-step operation for flexible motor control.
- Bipolar drive: Drives bipolar stepper motors for maximum motor performance.
- Built-in protection diodes: Includes built-in protection diodes for enhanced reliability.
- Wide range of current control: Allows current control from 5 mA to 1500 mA.
- Wide voltage range: Operates over a wide voltage range from 10 V to 45 V.
- Thermal overload protection: Features thermal overload protection with alarm and pre-alarm outputs.
- Current levels selection: Current levels can be selected in steps or varied continuously.
- LS-TTL compatible logic input: Compatible with LS-TTL or microprocessor-controlled systems.
Applications
The E-TEA3718SFPTR is designed for use in various stepper motor applications, including:
- Industrial automation systems
- Medical devices requiring precise motor control
- Printers and plotters
- Robotics and CNC machines
- Other applications requiring bipolar stepper motor control
Q & A
- What is the maximum output current of the E-TEA3718SFPTR?
The maximum output current is 1.5 A.
- What is the operating temperature range of the E-TEA3718SFPTR?
The operating temperature range is from 0°C to 70°C.
- Is the E-TEA3718SFPTR RoHS compliant?
Yes, the E-TEA3718SFPTR is RoHS compliant.
- What is the package type of the E-TEA3718SFPTR?
The package type is 20-pin SOIC.
- Does the E-TEA3718SFPTR support half-step and full-step modes?
Yes, it supports both half-step and full-step modes.
- What is the maximum supply voltage for the E-TEA3718SFPTR?
The maximum supply voltage is 45 V.
- Does the E-TEA3718SFPTR have built-in thermal protection?
Yes, it features thermal overload protection with alarm and pre-alarm outputs.
- Can the current levels be selected in steps or varied continuously?
Yes, the current levels can be selected in steps or varied continuously.
- Is the E-TEA3718SFPTR compatible with LS-TTL or microprocessor-controlled systems?
Yes, it is compatible with LS-TTL or microprocessor-controlled systems.
- What is the nominal supply current of the E-TEA3718SFPTR?
The nominal supply current is 25 mA.
