Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 12V |
| Voltage - Input (Max) | 76V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 76V |
| Current - Output | 3A |
| Frequency - Switching | 50kHz ~ 750kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Series | RP509x |
Overview
Description
The MAX1831EEE+ is a high-efficiency, step-down DC-DC converter designed by Maxim Integrated (now part of Analog Devices). It is optimized for applications requiring a compact power solution, offering high performance with minimal external components. This device operates with a wide input voltage range and delivers a fixed output voltage, making it suitable for portable electronics, battery-powered devices, and other low-voltage applications.
Key features of the MAX1831EEE+ include a high switching frequency, which allows for smaller external inductors and capacitors, thereby reducing overall board space. It also incorporates internal MOSFET switches, improving efficiency by minimizing power loss during the conversion process. The device includes various protection features such as thermal shutdown and current limiting, ensuring reliable operation under different conditions.
Overall, the MAX1831EEE+ provides a cost-effective and efficient solution for DC-DC conversion needs, particularly where space and efficiency are crucial. Its design and functionality make it an ideal choice for designers seeking a balance between performance, size, and power efficiency.
Key features of the MAX1831EEE+ include a high switching frequency, which allows for smaller external inductors and capacitors, thereby reducing overall board space. It also incorporates internal MOSFET switches, improving efficiency by minimizing power loss during the conversion process. The device includes various protection features such as thermal shutdown and current limiting, ensuring reliable operation under different conditions.
Overall, the MAX1831EEE+ provides a cost-effective and efficient solution for DC-DC conversion needs, particularly where space and efficiency are crucial. Its design and functionality make it an ideal choice for designers seeking a balance between performance, size, and power efficiency.
Equivalent
The MAX1831EEE chip is a high-efficiency, step-down DC-DC converter. Equivalent products may include:
1. Texas Instruments TPS54331
2. Linear Technology (Analog Devices) LT8610
3. ON Semiconductor NCP3163
4. Microchip MCP16331
These alternatives may differ in specific features, so it's important to review their datasheets to ensure compatibility with your application requirements.
1. Texas Instruments TPS54331
2. Linear Technology (Analog Devices) LT8610
3. ON Semiconductor NCP3163
4. Microchip MCP16331
These alternatives may differ in specific features, so it's important to review their datasheets to ensure compatibility with your application requirements.
Features
The MAX1831EEE+ is a step-down charger controller designed for lithium-ion (Li-ion) battery applications. Key features include:
1. High Efficiency: It offers high efficiency for charging, optimizing battery life.
2. Input Voltage Range: Supports a wide input voltage range, making it versatile for various power sources.
3. Current Regulation: Provides precise charge current regulation to ensure safe and effective charging.
4. Protection Features: Includes overvoltage, overcurrent, and thermal protection for enhanced safety.
5. Battery Preconditioning: Supports preconditioning of deeply discharged batteries.
6. Charge Termination: Utilizes voltage and current-based charge termination methods.
7. Temperature Monitoring: Compatible with an optional thermistor for battery temperature monitoring.
8. Status Indication: Features LED indicators for charge status.
9. Package: Comes in a compact, thermally efficient package suitable for space-constrained applications.
These features make the MAX1831EEE+ a robust choice for designing efficient and safe charging systems for portable devices relying on Li-ion batteries.
1. High Efficiency: It offers high efficiency for charging, optimizing battery life.
2. Input Voltage Range: Supports a wide input voltage range, making it versatile for various power sources.
3. Current Regulation: Provides precise charge current regulation to ensure safe and effective charging.
4. Protection Features: Includes overvoltage, overcurrent, and thermal protection for enhanced safety.
5. Battery Preconditioning: Supports preconditioning of deeply discharged batteries.
6. Charge Termination: Utilizes voltage and current-based charge termination methods.
7. Temperature Monitoring: Compatible with an optional thermistor for battery temperature monitoring.
8. Status Indication: Features LED indicators for charge status.
9. Package: Comes in a compact, thermally efficient package suitable for space-constrained applications.
These features make the MAX1831EEE+ a robust choice for designing efficient and safe charging systems for portable devices relying on Li-ion batteries.
Pinout
The MAX1831EEE+ is a high-efficiency, low-noise, step-up DC-DC converter designed for portable applications. It features a pin count of 16. The primary function of the MAX1831EEE+ is to boost the input voltage to a higher output voltage, making it suitable for devices requiring stable and efficient power conversion.
Key pin functions include:
- VIN: Input voltage supply.
- GND: Ground connection.
- LX: Inductor connection for the switching converter.
- FB: Feedback input for voltage regulation.
- SHDN: Shutdown control to enable or disable the converter.
- COMP: Compensation pin for stability and transient response tuning.
- REF: Reference voltage output.
- SS: Soft-start control to limit inrush current.
- SYNC: Synchronization input for frequency control.
- PGOOD: Power-good indicator, signaling proper output voltage levels.
This IC is often used in applications requiring a dependable power source, such as in battery-powered devices.
Key pin functions include:
- VIN: Input voltage supply.
- GND: Ground connection.
- LX: Inductor connection for the switching converter.
- FB: Feedback input for voltage regulation.
- SHDN: Shutdown control to enable or disable the converter.
- COMP: Compensation pin for stability and transient response tuning.
- REF: Reference voltage output.
- SS: Soft-start control to limit inrush current.
- SYNC: Synchronization input for frequency control.
- PGOOD: Power-good indicator, signaling proper output voltage levels.
This IC is often used in applications requiring a dependable power source, such as in battery-powered devices.
Manufacturer
The MAX1831EEE+ is manufactured by Maxim Integrated. Maxim Integrated is a company that designs, manufactures, and sells analog and mixed-signal integrated circuits. It is known for producing a wide range of semiconductor products used in various applications, such as power management, data conversion, interface, and communication. As of 2021, Maxim Integrated was acquired by Analog Devices, Inc., another leading company in the semiconductor industry specializing in high-performance analog technology and digital signal processing.
Application
The MAX1831EEE+ is a high-efficiency, step-down DC-DC converter designed for applications requiring compact, efficient power conversion. Its primary application areas include:
1. Portable Devices: Used in mobile phones, PDAs, and other battery-operated gadgets for efficient power management.
2. Consumer Electronics: Suitable for devices like digital cameras and handheld gaming consoles.
3. Telecommunications: Employed in networking equipment and wireless communication devices.
4. Industrial Equipment: Used in systems that require reliable power conversion under varying load conditions.
5. Embedded Systems: Ideal for microcontroller-based applications where space and power efficiency are crucial.
These applications benefit from the MAX1831EEE+'s ability to deliver efficient power management with minimal heat dissipation.
1. Portable Devices: Used in mobile phones, PDAs, and other battery-operated gadgets for efficient power management.
2. Consumer Electronics: Suitable for devices like digital cameras and handheld gaming consoles.
3. Telecommunications: Employed in networking equipment and wireless communication devices.
4. Industrial Equipment: Used in systems that require reliable power conversion under varying load conditions.
5. Embedded Systems: Ideal for microcontroller-based applications where space and power efficiency are crucial.
These applications benefit from the MAX1831EEE+'s ability to deliver efficient power management with minimal heat dissipation.
Package
The MAX1831EEE+ is a DC-DC converter IC from Maxim Integrated. It comes in a 16-pin QSOP (Quarter-Size Small Outline Package) type, which is compact and suitable for surface mounting on printed circuit boards.
