A2557SB
IC PWR DRIVER BIPOLAR 1:1 16DIPManufacturer: Allegro MicroSystems
Categories: Power Distribution Switches, Load Drivers
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Allegro MicroSystems' A2557SB is a bipolar power driver IC designed for robust load control applications. This 16-DIP packaged device features four low-side outputs, each capable of driving bipolar loads up to 300mA. The A2557SB incorporates integral current limiting and over-temperature fault protection, ensuring reliable operation. A status flag provides output condition monitoring. With a 1:1 input-to-output ratio and ON/OFF interface, this component is well-suited for applications in industrial automation, automotive systems, and general-purpose power switching. The device operates within a supply voltage range of 4.75V to 5.25V, handling load voltages up to 60V. The operating temperature range is -20°C to 85°C.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDownload Free CAD Model:
Technical Details:
| Features | Status Flag |
| Packaging | Bulk |
| Package / Case | 16-PowerDIP (0.300"", 7.62mm) |
| Output Type | Bipolar |
| Mounting Type | Through Hole |
| Number of Outputs | 4 |
| Interface | ON/OFF |
| Switch Type | Relay, Solenoid Driver |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Output Configuration | Low Side |
| Rds On (Typ) | - |
| Input Type | Non-Inverting |
| Voltage - Load | 60V (Max) |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.25V |
| Current - Output (Max) | 300mA |
| Ratio - Input:Output | 1:1 |
| Supplier Device Package | 16-DIP |
| Fault Protection | Current Limiting (Fixed), Over Temperature |
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