Product overview
Description
The circuits consist of an LS-TTL compatible logic input, a current sensor, a monostable and an output stage with built-in protection diodes. Two TEA3718 ICs and a few external components form a complete control and drive unit for LS-TTL or microprocessor-controlled stepper motor systems.
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All features
- Current levels can be selected insteps or varied continuously
- Designed for unstabilized motor supply voltage
- Alarm output or pre-alarm output
- Half-step and full-step mode
- Built-in protection diodes
- Bipolar drive of stepper motor for maximum motor performance
- Wide voltage range 10 to 50 V
- Thermal overload protection
- Wide range of current control 5 to 1500 mA
Circuit Diagram
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TEA3718
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3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| E-TEA3718DP | Active | PDIP 16 | Industrial | Ecopack3 | - | - | |
| E-TEA3718SDP | Active | PDIP 16 | Industrial | Ecopack2 | - | - | |
| E-TEA3718SFP | Active | SO-20 | Industrial | Ecopack2 | - | - | |
| E-TEA3718SFPTR | Active | SO-20 | Industrial | Ecopack2 | - | - |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||
| E-TEA3718SDP | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| E-TEA3718DP | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| E-TEA3718SFPTR | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| E-TEA3718SFP | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
E-TEA3718SDP Active
E-TEA3718DP Active
E-TEA3718SFPTR Active
E-TEA3718SFP Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors