MAX831CWE

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Voltage switching controllers

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MAX831CWE DataSheet

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MAX831CWE Details

The MAX831CWE is a monolithic integrated circuit (IC) designed and manufactured by Maxim Integrated Products. It is a low-voltage, high-efficiency, step-down regulator designed to provide 1A of output current with over-temperature, over-voltage, and over-current protection. It features an adjustable output voltage, fast transient response, and low quiescent current.

The MAX831CWE is a voltage regulator IC that is designed to control constant output voltage, monitor input/output voltages and provide protection against over-voltage, over-current, and over-temperature conditions. It is suitable for embedded systems and battery-powered applications, including DC/DC converters for automotive and industrial applications, LED lighting, and portable electronic devices.

MAX831CWE Key Features

  • Input Range: Up to 30V
  • 1A On-Chip Power Switch
  • Fixed Output: 5V
  • 100kHz Switching Frequency
  • Excellent Dynamic Characteristics
  • Few External Components
  • 8mA Quiescent Current
  • 16-Pin SO Package
  • Evaluation Kit Available

MAX831CWE Product Usage

The MAX831CWE is an automotive H-Bridge driver IC produced by Maxim Integrated Products. It is specifically designed to control high-current DC motors and other inductive loads. Some typical applications and circuits that use the MAX831CWE include:

Automotive Applications:

  • Distributed power from high-voltage buses
  • High-current, high-voltage step-down applications
  • General motor control for automotive systems

MAX831CWE Circuit Diagram

A sample circuit diagram using the MAX831CWE might involve:

  • Power Supply: Connect a suitable voltage supply (within the operational range) to the Vcc pin.
  • Motor Connections: Connect the motor between the OUT1 and OUT2 terminals of the H-Bridge.
  • Control Inputs: Typically, two control inputs (IN1 and IN2) determine the state of the H-Bridge. Applying logic high/low signals to these inputs controls the motor direction and behavior.
  • PWM Input: Optional PWM input for speed control.
  • Protection Components: Include diodes, capacitors, and resistors as recommended in the datasheet for decoupling and protective purposes.

MAX831CWE Quality and Reliability

Maxim Integrated Products' commitment to quality ensures that the MAX831CWE IC is reliable and performs consistently. It is designed to meet the stringent requirements of industrial and commercial applications, where consistent operation and long service life are critical.

MAX831CWE Ordering Information

The MAX831CWE is available in tape and reel packaging, facilitating efficient assembly for high-volume production. Its product identification, including the temperature range and package type, is clearly specified for ease of ordering.

MAX831CWE Package and Quality

The MAX831CWE is housed in a compact, thermally efficient 16-pin SO package, making it suitable for space-constrained designs without compromising on thermal management or performance. Maxim Integrated Products ensures that each unit undergoes rigorous testing to meet stringent automotive and industrial standards. This emphasis on quality guarantees that the MAX831CWE delivers dependable, long-term performance across a wide range of operational environments.

Conclusion

The MAX831CWE from Maxim Integrated Products is an ideal choice for engineers seeking a reliable H-Bridge driver IC for high-current motor control. With its versatile functionality, integrated protection features, and PWM control capability, it is well-suited for applications across automotive, industrial, and consumer electronics sectors. Whether used in automotive systems, robotics, or general motor control, the MAX831CWE provides robust performance and flexibility, making it a valuable component for demanding motor control applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code No Part Life Cycle Code Obsolete
Part Package Code SOIC Pin Count ! 16
Reach Compliance Code not_compliant ECCN Code EAR99
HTS Code ! 8542.39.00.01 Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 30 V Input Voltage-Min 8 V
Input Voltage-Nom 25 V JESD-30 Code R-PDSO-G16
JESD-609 Code e0 Length 10.3 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 16 Operating Temperature-Max 70 °C
Output Current-Max 1.2 A Output Voltage-Nom 5 V
Package Body Material PLASTIC/EPOXY Package Code SOP
Package Equivalence Code SOP16,.4 Package Shape RECTANGULAR
Package Style SMALL OUTLINE Peak Reflow Temperature (Cel) 245
Qualification Status ! Not Qualified Seated Height-Max 2.65 mm
Supply Current-Max (Isup) 11 mA Surface Mount ! YES
Switcher Configuration BUCK Switching Frequency-Max 100 kHz
Technology BIPOLAR Temperature Grade ! COMMERCIAL
Terminal Finish TIN LEAD Terminal Form ! GULL WING
Terminal Pitch ! 1.27 mm Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 20 Width 7.5 mm
Product Category ! Switching Voltage Regulators Output Voltage 5 V
Output Current ! 1.7 A Input Voltage, Max 30 V
Number of Outputs 1 Output Package / Case SOIC-Wide-16
Mounting Style SMD/SMT Switching Frequency ! 110 kHz
Minimum Operating Temperature 0 C Maximum Operating Temperature ! + 70 C
Series MAX831 Input Voltage, Min 8 V
Brand Analog Devices / Maxim Integrated Height 2.35 mm
Product Type ! Switching Voltage Regulators Subcategory PMIC - Power Management ICs
Type Voltage Converter Part # Aliases MAX831
Unit Weight 0.016709 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification MAX831CWE PDF Download

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