A2557SLB
IC PWR DRIVER BIPOLAR 1:1 16SOICManufacturer: Allegro MicroSystems
Categories: Power Distribution Switches, Load Drivers
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Allegro MicroSystems A2557SLB is a bipolar power driver IC featuring four low-side outputs, each capable of sourcing up to 300mA. This device is designed for driving inductive loads such as relays and solenoids, operating within a supply voltage range of 4.75V to 5.25V. The A2557SLB offers integrated fault protection, including fixed current limiting and over-temperature shutdown, enhancing system reliability. A status flag output provides diagnostic information. The 1:1 input-to-output ratio simplifies control logic. This component is housed in a 16-PowerSOIC package suitable for surface mounting. Applications span automotive, industrial control, and general power management systems.
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-PowerSOIC (0.295"", 7.50mm Width) |
| Output Type | Bipolar |
| Mounting Type | Surface Mount |
| 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-SOIC |
| Fault Protection | Current Limiting (Fixed), Over Temperature |
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