A2557KLBTR
- Mfr.Part #
- A2557KLBTR
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 16-PowerSOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC PWR DRIVER BIPOLAR 1:1 16SOIC
- Stock
- 4,610
- In Stock :
- 4,610
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- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Power Distribution Switches, Load Drivers
- Voltage - Supply (Vcc/Vdd) :
- 4.75V~5.25V
- Ratio - Input:Output :
- 1:1
- Switch Type :
- Relay, Solenoid Driver
- Terminal Position :
- Dual
- Output Peak Current Limit-Nom :
- 0.5A
- Terminal Pitch :
- 1.27mm
- Reach Compliance Code :
- Unknown
- RoHS Status :
- Non-RoHS Compliant
- Turn On Time :
- 10 μs
- Max Output Current :
- 500mA
- Output Configuration :
- Low Side
- Output Current per Channel :
- 300mA
- Qualification Status :
- Not Qualified
- Package / Case :
- 16-PowerSOIC (0.295, 7.50mm Width)
- Lead Free :
- Contains Lead
- Height Seated (Max) :
- 2.65mm
- Output Current Flow Direction :
- SINK
- Built-in Protections :
- TRANSIENT; OVER CURRENT; THERMAL
- Number of Functions :
- 4
- Pin Count :
- 16
- Terminal Finish :
- TIN LEAD
- JESD-609 Code :
- e0
- Number of Pins :
- 16
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Interface :
- On/Off
- Supply Voltage-Max (Vsup) :
- 5.25V
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Feature :
- Status Flag
- Mounting Type :
- Surface Mount
- Input Type :
- Non-Inverting
- ECCN Code :
- EAR99
- Packaging :
- Tape and Reel (TR)
- Published :
- 2009
- Number of Outputs :
- 4
- Operating Temperature :
- -40°C~125°C TA
- Terminal Form :
- Gull wing
- Turn Off Time :
- 10 μs
- Number of Terminations :
- 16
- Voltage - Load :
- 60V Max
- Length :
- 10.3mm
- Fault Protection :
- Current Limiting (Fixed), Over Temperature
- Supply Voltage :
- 5V
- Mount :
- Surface Mount
- Base Part Number :
- A2557
- Driver Number of Bits :
- 4
- Power Supplies :
- 5V
- Width :
- 7.5mm
- Peak Reflow Temperature (Cel) :
- 240
- Output Type :
- Bipolar
- Datasheets
- A2557KLBTR

Power Distribution Switches, Load Drivers Allegro MicroSystems A2557KLBTR Overview
The Power Distribution Switches, Load Drivers Allegro MicroSystems A2557KLBTR is an innovative bipolar power driver IC designed for high reliability and performance. Targeting a broad range of industrial applications, this IC simplifies the design of load-driving capability with its robust integrated features. Manufactured by Allegro MicroSystems, a leader in semiconductor solutions, the A2557KLBTR provides efficient, compact, and precise control of load currents, making it an essential component in sophisticated electronics. Its capability to drive bipolar stepper motors with precise current control makes it highly valuable in applications requiring meticulous motion control.
A2557KLBTR Features
The A2557KLBTR IC comes packed with features designed for superior performance in power management applications. Key features include a 1:1 driver configuration, high-voltage operation capabilities, and a compact 16SOIC package that fits perfectly in space-constrained applications. Additionally, it offers built-in thermal shutdown and crossover-current protection, enhancing the safety and durability of the applications it powers.
A2557KLBTR Applications
- Automated Test Equipment: Utilizes the precise control of the A2557KLBTR to manage the operational consistency in automated testing environments.
- Office Automation Machines: Powers sophisticated office automation equipment like printers and copiers, ensuring reliable and efficient performance.
- Industrial Robotics: Employs in the control systems of industrial robots, providing the necessary drive currents for precise motion control.
- Consumer Electronics: Used in the power management systems of consumer electronics, offering robustness and reliability in daily use devices like cameras and personal audio systems.
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