EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
A2557KB Real Image
Same model may have multiple batches, images only for reference.

A2557KB

Part No A2557KB
Manufacturer Allegro MicroSystems, LLC
Catalog PMIC - Power Distribution Switches, Load Drivers
Description PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE | IC DRIVER QUAD 60V 300MA 16DIP
Sample
Rohs State Need to verify
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits
Manufacturer Allegro MicroSystems, LLC
Packaging Tube
Status Obsolete
Switch Type Relay, Solenoid Driver
Number of Outputs 4
Output Configuration Low Side
Output Type Bipolar
Interface On/Off
Load Voltage (V) 60V (Maximum)
Supply Voltage 4.75V ~ 5.25V
Current - Output (Maximum) 300mA
Input Type Non-Inverting
Features Status Flag
Fault Protection Current Limiting (Fixed), Over Temperature
Temperature Range - Operating -40°C ~ 125°C
Manufacturer Package 16-PowerDIP
Supplier Device Package 16-DIP
Family Part Number A2557
Manufacturer Pack Quantity 25
MSL Level 1 (Unlimited)
Win Source Part Number 1134500-A2557KB
Manufacturer Homepage www.allegromicro.com
Popularity Medium
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian A2557KB CAD Model

Description

The Allegro MicroSystems A2557KB is an obsolete integrated circuit designed for relay and solenoid driver applications. It has a supply voltage range of 4.75V to 5.25V and can handle a maximum output current of 300mA.

  • The circuit has: four low-side outputs with a load voltage of up to 60V.
  • It is packaged in a: 16-DIP case and can operate in a temperature range of -40°C to 125°C.
  • This integrated circuit is ideal for use in: various applications that require relay and solenoid drivers.

You May Also Be Interested in

TPS2063D Texas Instruments – Price, Stock & Datasheet
TPS2063D
Texas Instruments
IC PWR SWTCH N-CH 1:2/1:1 16SOIC
Lowest to $1.8539
MIC2007YM6-TR Microchip Technology – Price, Stock & Datasheet
MIC2007YM6-TR
Microchip Technology
IC PWR SWITCH P-CHAN 1:1 SOT23-6
Need more? Email Us
Picture of MIC2546-2YM
MIC2546-2YM
Microchip Technology
DUAL PROGRAMABLE CURRENT LIMIT S
Need more? Email Us
Picture of MIC94070YC6-TR
MIC94070YC6-TR
Microchip Technology
IC PWR SWITCH P-CHAN 1:1 SC70-6
Lowest to $0.9210
BD2224G-LBTR Rohm Semiconductor – Price, Stock & Datasheet
BD2224G-LBTR
Rohm Semiconductor
IC PWR SWITCH N-CHAN 1:1 5SSOP
Need more? Email Us
BD2066FJ-LBE2 Rohm Semiconductor – Price, Stock & Datasheet
BD2066FJ-LBE2
Rohm Semiconductor
IC PWR SWITCH N-CHAN 1:2 SOP-J8
Need more? Email Us
Picture of TPS2055D
TPS2055D
Texas Instruments
IC PWR SWITCH N-CHAN 1:1 8SOIC
Lowest to $7.7817
MC22XSD200BEK Freescale Semiconductor - NXP – Price, Stock & Datasheet
MC22XSD200BEK
Freescale Semiconductor - NXP
HIGH-SIDE SWITCH, 36V, DUAL 22MO
Need more? Email Us
Picture of MAX1693HEUB+
MAX1693HEUB+
Maxim Integrated
IC PWR SWITCH P-CHAN 1:1 10UMAX
Need more? Email Us

Top Sellers

DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.0101
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $6.6527
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.8016
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.0951
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071

Pricing & Ordering

Quantity Unit Price Ext. Price
12+ $5.0427 $60.5124
28+ $4.1384 $115.8752
44+ $4.0090 $176.3960
60+ $3.8796 $232.7760
77+ $3.7503 $288.7731
104+ $3.3622 $349.6688
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 2,300 pieces
MOQ: 12 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess