The Allegro MicroSystems A2557SLBTR is an integrated circuit used for power management.

• Function: Power Distribution Switch and Load Driver
• Outputs: 4
• Package: Tape and Reel
• Standard Package: 1,000
• Output Type: Bipolar
• Input Type: Non-Inverting
• Interface: On/Off
• Switch Type: Relay and Solenoid Driver
• Fault Protection: Current Limiting (Fixed) and Over Temperature
• Current Output (Max): 300mA
• Output Configuration: Low Side
• Voltage Load: 60V (Max)
• Mounting Type: Surface Mount
• Package/Case: 16-PowerSOIC (0.295", 7.50mm Width)
• Supplier Device Package: 16-SOIC
• Temperature Range: -20°C ~ 85°C (TA)
• ECCN: EAR99
• MSL Level: 1 (Unlimited)
• Voltage Supply: 4.75V ~ 5.25V
• REACH: Unaffected
• HTSUS: 8542.39.0001
• Manufacturer: Allegro MicroSystems
• Base Product Number: A2557
• Product Status: Obsolete
• RoHS Status: Non-Compliant