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

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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