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MAX77818EWZ+T
+StücklisteIC BATT CHG LI-ION 1CELL 72WLP
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HerstellerAnalog Devices Inc./Maxim Integrated
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Herstellerteil #MAX77818EWZ+T
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Paket WLP-72
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Auf Lager1217
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| 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 |
Übersicht
Description
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
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
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 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.