STMicroelectronics_ST2044BD

STMicroelectronics
ST2044BD  
Power Distribution Switches, Load Drivers

STMicroelectronics
ST2044BD
726-ST2044BD
Ersa
STMicroelectronics-ST2044BD-datasheets-5044180.pdf
IC PWR SWTCH N-CHAN 2 X 1:2 16SO
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ST2044BD Description

ST2044BD Description

The ST2044BD is a high-side power switch designed by STMicroelectronics, featuring a general-purpose switch type with a 2 x 1:2 input-to-output ratio. This device is ideal for applications requiring efficient power management and control. The ST2044BD is housed in a surface-mount package, specifically a tube, making it suitable for compact and high-density designs. It operates within a load voltage range of 2.7V to 5.5V and can handle a maximum output current of 500mA. The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. Additionally, it features a moisture sensitivity level of 1 (unlimited), making it robust against environmental factors.

ST2044BD Features

  • Output Configuration: High Side
  • Current - Output (Max): 500mA
  • Voltage - Load: 2.7V to 5.5V
  • Rds On (Typ): 80mOhm
  • Number of Outputs: 4
  • Fault Protection: Current Limiting (Fixed), Over Temperature, UVLO
  • Mounting Type: Surface Mount
  • Package: Tube
  • Interface: On/Off
  • Product Status: Obsolete
  • REACH Status: REACH Unaffected
  • RoHS Status: ROHS3 Compliant
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • ECCN: EAR99
  • HTSUS: 8542.39.0001

The ST2044BD offers several unique features that set it apart from similar models. Its high-side output configuration ensures efficient power delivery and control, while the 80mOhm typical on-resistance minimizes power loss and enhances overall efficiency. The device also includes comprehensive fault protection mechanisms, such as fixed current limiting, over-temperature protection, and under-voltage lockout (UVLO), ensuring reliable operation and safeguarding against potential damage.

ST2044BD Applications

The ST2044BD is well-suited for a variety of applications where precise power management is crucial. Its general-purpose switch type and 2 x 1:2 input-to-output ratio make it ideal for applications such as:

  • Power Distribution: Efficiently managing power distribution in complex systems.
  • Load Switching: Enabling seamless switching between different loads.
  • Battery Management: Controlling power flow in battery-powered devices.
  • Consumer Electronics: Enhancing power control in devices like smartphones, tablets, and laptops.

The device's compact surface-mount package and robust environmental resistance make it particularly suitable for applications where space is limited and reliability is paramount.

Conclusion of ST2044BD

The ST2044BD from STMicroelectronics is a versatile and reliable power switch designed for high-side power management applications. Its comprehensive feature set, including high current handling capability, low on-resistance, and robust fault protection, makes it an excellent choice for a wide range of applications. Despite its obsolete status, the ST2044BD remains a valuable component for existing designs and legacy systems. Its compliance with environmental regulations and robustness against environmental factors further enhance its appeal. For engineers and designers seeking a reliable and efficient power switch, the ST2044BD offers a proven solution.

Tech Specifications

Output Type
Output Configuration
Product Status
Current - Output (Max)
Supplier Device Package
Package / Case
REACH Status
Mfr
Features
Voltage - Supply (Vcc/Vdd)
RoHS Status
Moisture Sensitivity Level (MSL)
Operating Temperature
Input Type
ECCN
Switch Type
Voltage - Load
Ratio - Input:Output
Mounting Type
Rds On (Typ)
Number of Outputs
Series
Fault Protection
HTSUS
Package
Interface
Base Product Number

ST2044BD Documents

Download datasheets and manufacturer documentation for ST2044BD

Ersa ST2044      
Ersa ST2044      

Shopping Guide

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