仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Fault Protection | Over Current, Over Voltage |
| Charge Current - Max | 3A |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 5V |
| Interface | I²C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The MAX77818EWZ+T is a highly integrated power management IC (PMIC) designed by Maxim Integrated, a subsidiary of Analog Devices. This PMIC is primarily used in portable devices due to its efficiency and compact design, which aids in extending battery life and enhancing overall device performance. Key features of the MAX77818 include multiple buck converters, low-dropout (LDO) regulators, and integrated battery charging capabilities. These components help manage power distribution efficiently across different sections of a device.
The MAX77818 is equipped with protection features such as over-voltage, over-current, and thermal shutdown, ensuring device safety and reliability. The PMIC also supports a wide input voltage range, making it adaptable to various power sources. Its programmability allows customization for different applications, making it suitable for use in smartphones, tablets, wearables, and other battery-operated devices. Additionally, the MAX77818's compact footprint and minimal external component requirements make it ideal for space-constrained designs. The model number ending in "+T" typically denotes a specific packaging option or tape and reel format for automated manufacturing processes.
The MAX77818 is equipped with protection features such as over-voltage, over-current, and thermal shutdown, ensuring device safety and reliability. The PMIC also supports a wide input voltage range, making it adaptable to various power sources. Its programmability allows customization for different applications, making it suitable for use in smartphones, tablets, wearables, and other battery-operated devices. Additionally, the MAX77818's compact footprint and minimal external component requirements make it ideal for space-constrained designs. The model number ending in "+T" typically denotes a specific packaging option or tape and reel format for automated manufacturing processes.
Equivalent
The MAX77818EWZ+T is a power management IC (PMIC) from Maxim Integrated (now part of Analog Devices). Equivalent products may include similar PMICs like:
1. TI's TPS650864 series
2. NXP's PF8100 series
3. Dialog's DA9063
4. Renesas' ISL9122A
It's important to compare specific features, voltages, and configurations to ensure compatibility for your application. Always refer to the datasheets for detailed specifications.
1. TI's TPS650864 series
2. NXP's PF8100 series
3. Dialog's DA9063
4. Renesas' ISL9122A
It's important to compare specific features, voltages, and configurations to ensure compatibility for your application. Always refer to the datasheets for detailed specifications.
Features
The MAX77818EWZ+T is a highly integrated power management IC designed for efficient battery-powered applications. Its key features include:
1. Single-Cell Li-ion/Li-polymer Battery Charger: Supports fast charging with up to 3A current.
2. Switching Charger: Offers high efficiency with a switching charger topology.
3. Fuel Gauge: Integrated fuel gauge for accurate battery capacity monitoring.
4. 28V Input OVP: Protects against high voltage input, enhancing safety.
5. Flexible Interface: I²C-compatible interface for customization and control.
6. Low Quiescent Current: Minimizes power consumption to extend battery life.
7. Configurable Power Paths: Manages power distribution flexibly between different sources.
8. Thermal Regulation: Ensures safe operation by regulating the temperature.
9. Protection Features: Includes Over-Voltage, Over-Current, and Thermal Shutdown protections.
10. Small Footprint: Available in a compact WLP package suitable for space-constrained designs.
These features make the MAX77818EWZ+T ideal for smartphones, tablets, and other portable devices requiring efficient power management.
1. Single-Cell Li-ion/Li-polymer Battery Charger: Supports fast charging with up to 3A current.
2. Switching Charger: Offers high efficiency with a switching charger topology.
3. Fuel Gauge: Integrated fuel gauge for accurate battery capacity monitoring.
4. 28V Input OVP: Protects against high voltage input, enhancing safety.
5. Flexible Interface: I²C-compatible interface for customization and control.
6. Low Quiescent Current: Minimizes power consumption to extend battery life.
7. Configurable Power Paths: Manages power distribution flexibly between different sources.
8. Thermal Regulation: Ensures safe operation by regulating the temperature.
9. Protection Features: Includes Over-Voltage, Over-Current, and Thermal Shutdown protections.
10. Small Footprint: Available in a compact WLP package suitable for space-constrained designs.
These features make the MAX77818EWZ+T ideal for smartphones, tablets, and other portable devices requiring efficient power management.
Pinout
The MAX77818EWZ+T is a Power Management IC (PMIC) from Maxim Integrated (now part of Analog Devices). This device typically features a high level of integration, including multiple power management functions suitable for portable and battery-powered applications.
The specific pin count for the MAX77818EWZ+T is 73 pins. These pins are used for various functions, including power inputs and outputs, control signals, communication interfaces (such as I2C or SPI), and other functions necessary for comprehensive power management.
The main functions of the MAX77818 include voltage regulation, power sequencing, battery charging, and protection features. It provides several buck or boost converters, LDOs (Low-Dropout Regulators), and possibly a charger for Li-ion batteries, among other features. It is designed to optimize power efficiency and extend battery life in mobile devices.
For precise details about each pin's function, users should refer to the official datasheet or technical documentation from the manufacturer, as it provides comprehensive descriptions and specifications.
The specific pin count for the MAX77818EWZ+T is 73 pins. These pins are used for various functions, including power inputs and outputs, control signals, communication interfaces (such as I2C or SPI), and other functions necessary for comprehensive power management.
The main functions of the MAX77818 include voltage regulation, power sequencing, battery charging, and protection features. It provides several buck or boost converters, LDOs (Low-Dropout Regulators), and possibly a charger for Li-ion batteries, among other features. It is designed to optimize power efficiency and extend battery life in mobile devices.
For precise details about each pin's function, users should refer to the official datasheet or technical documentation from the manufacturer, as it provides comprehensive descriptions and specifications.
Manufacturer
The MAX77818EWZ+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing, manufacturing, and selling a wide range of analog and mixed-signal integrated circuits. The company specializes in power management, interface, and other analog solutions that are used in a variety of applications, including consumer electronics, automotive, industrial, and communications. As a part of Analog Devices, Maxim Integrated continues to contribute to the development of advanced semiconductor technologies that enhance performance and efficiency across multiple sectors.
Application
The MAX77818EWZ+T is a power management IC designed for applications that require efficient power regulation and management. Its primary application areas include smartphones, tablets, wearable devices, and other portable electronics. It offers features like battery charging, voltage regulation, and power path management, making it suitable for devices that need compact and efficient power solutions. Its ability to manage multiple power sources effectively makes it ideal for consumer electronics that require reliable power management in a small form factor.
Package
The MAX77818EWZ+T is a power management IC, typically housed in a WLP (Wafer-Level Package) with dimensions suitable for compact electronic designs. This package type is designed for efficient heat dissipation and minimal footprint, making it ideal for space-constrained applications.
