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A2557KLB

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A2557KLB

A2557KLB

  • Description：IC PWR DRIVER BIPOLAR 1:1 16SOIC
  • Series：-
  • Mfr：Allegro MicroSystems
  • Package：Bulk

SKU:f2fc5f55d3d9 Category: Brand:

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Product Detailed Parameters

  • Description：IC PWR DRIVER BIPOLAR 1:1 16SOIC
  • Series：-
  • Mfr：Allegro MicroSystems
  • Package：Bulk
  • Switch Type：Relay, Solenoid Driver
  • Number of Outputs：4
  • Ratio - Input:Output：1:01
  • Output Configuration：Low Side
  • Output Type：Bipolar
  • Interface：On/Off
  • Voltage - Load：60V (Max)
  • Voltage - Supply (Vcc/Vdd)：4.75V ~ 5.25V
  • Current - Output (Max)：300mA
  • Rds On (Typ)：-
  • Input Type：Non-Inverting
  • Features：Status Flag
  • Fault Protection：Current Limiting (Fixed), Over Temperature
  • Operating Temperature：-40°C ~ 125°C (TA)
  • Mounting Type：Surface Mount
  • Supplier Device Package：16-SOIC
  • Package / Case：16-PowerSOIC (0.295", 7.50mm Width)
  • Grade：-
  • Qualification：-

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A2557KLB

How to buy
Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.
Payment Method
Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.
Delivery time
In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.
Freight calculation
Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.
Mode of Transportation
We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.
Return and Refund
Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.

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A2557KEB

A2557KEB

Details
Buying Guide
Summary

Allegro MicroSystems A2557KLB is an electronic component in Power Distribution Switches, Load Drivers category. Key specs: description: IC PWR DRIVER BIPOLAR 1:1 16SOIC; packaging: Bulk; supply: 4.75V ~ 5.25V; temperature: -40°C ~ 125°C (TA); package/case: 16-PowerSOIC (0.295", 7.50mm Width); mounting: Surface Mount; ratio: 1:01; output type: Bipolar.

Selection Notes
  • For A2557KLB, confirm package/case 16-PowerSOIC (0.295", 7.50mm Width), mounting Surface Mount to ensure footprint compatibility.
  • For A2557KLB, validate the operating temperature range (-40°C ~ 125°C (TA)) against your environment.
  • For A2557KLB, check the supply voltage requirement (4.75V ~ 5.25V) and any rail tolerance constraints.
  • For A2557KLB, match interface/output type (Bipolar) when selecting alternatives or second sources.
FAQ

How can I request a quote for A2557KLB?
Send the part number (A2557KLB), quantity, target delivery date, and any required packaging or documentation.

Who is the manufacturer/brand for A2557KLB?
Allegro MicroSystems

What is the supply current of A2557KLB?
300mA

What is the supply voltage of A2557KLB?
4.75V ~ 5.25V

Application Scenarios
Allegro MicroSystems A2557KLB in the Power Distribution Switches, Load Drivers category is typically selected when engineers need predictable, spec-driven behavior in a production design. Well-chosen switching elements improve safety and reduce maintenance costs. They provide controlled switching for signals and power, enabling isolation, routing, and safe user interaction. In field equipment, sealing and contact material choices determine long-term reliability under contamination. In industrial panels, switches and relays handle interlocks and actuator control in dusty environments with vibration. Overall, it supports long-term maintainability by using clear selection criteria and repeatable validation practices.
A2557KLBA2557KLB

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