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MAX8902BATA+
+BOMIC REG LINEAR POS ADJ 8TDFN
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ManufacturerAnalog Devices Inc./Maxim Integrated
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Mfr. Part #MAX8902BATA+
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Datasheet MAX8902BATA+ DataSheet
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In Stock5869
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Specifications
| Attribute | Value |
| PartStatus | Discontinued at DigiKey |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.3V |
| VoltageDropout(Max) | 0.15V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 160 µA |
| PSRR | 92dB ~ 62dB (5kHz ~ 100kHz) |
| ControlFeatures | Current Limit, Enable, Power Good, Soft Start |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Current, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package | 8-WFDFN Exposed Pad |
| SupplierDevicePackage | 8-TDFN-EP (2x2) |
| Packaging | Strip |
Overview
Description
The MAX8902BATA+ is a highly integrated power management IC designed for battery-powered applications. It combines a high-efficiency charger, power path management, and a fuel gauge in a compact package. Specifically, it is optimized for lithium-ion and lithium-polymer batteries, supporting a wide input voltage range and providing various charging modes, including trickle charge and constant current/voltage.
Key features include:
1. High Efficiency: Ensures minimal energy loss during battery charging.
2. Smart Power Path Management: Allows simultaneous charging and powering of the load, enhancing system reliability and uptime.
3. Integrated Fuel Gauge: Monitors battery status and health, providing accurate state-of-charge information.
4. Thermal Regulation: Protects against overheating during charging.
The MAX8902BATA+ is ideal for portable electronics, wearables, and IoT devices, facilitating improved battery life and performance in a compact footprint. Its features make it a popular choice for designers looking to optimize power management in their products.
Key features include:
1. High Efficiency: Ensures minimal energy loss during battery charging.
2. Smart Power Path Management: Allows simultaneous charging and powering of the load, enhancing system reliability and uptime.
3. Integrated Fuel Gauge: Monitors battery status and health, providing accurate state-of-charge information.
4. Thermal Regulation: Protects against overheating during charging.
The MAX8902BATA+ is ideal for portable electronics, wearables, and IoT devices, facilitating improved battery life and performance in a compact footprint. Its features make it a popular choice for designers looking to optimize power management in their products.
Equivalent
The MAX8902BATA+ is a power management IC, specifically a Li-ion battery charger. Equivalent products include the MCP73831 from Microchip, the BQ24072 from Texas Instruments, and the LTC4054 from Analog Devices. These alternatives offer similar functionalities for battery charging in portable devices, though specifications may vary, so be sure to review datasheets for compatibility with your application.
Features
The MAX8902BATA+ is a high-performance power management IC designed for portable applications. Key features include:
1. Power Path Management: It integrates a power path controller that efficiently manages input power from various sources, enabling seamless transitions between battery and external power.
2. Battery Charger: It features a Li-ion battery charger with adjustable charge current and voltage, optimized for various battery chemistries.
3. Load Sharing: This IC supports load sharing between the battery and the input power source, maximizing efficiency.
4. Wide Input Voltage Range: Accepts input voltages from 4.5V to 28V, making it versatile for different applications.
5. Thermal Regulation: It includes thermal regulation to prevent overheating during charging.
6. Compact Size: The design is compact, suitable for space-constrained applications.
7. Integrated Protection Features: It has built-in protections against overvoltage, undervoltage, and thermal issues, ensuring safe operation.
Overall, the MAX8902BATA+ is ideal for smartphones, tablets, and other portable devices requiring efficient power management.
1. Power Path Management: It integrates a power path controller that efficiently manages input power from various sources, enabling seamless transitions between battery and external power.
2. Battery Charger: It features a Li-ion battery charger with adjustable charge current and voltage, optimized for various battery chemistries.
3. Load Sharing: This IC supports load sharing between the battery and the input power source, maximizing efficiency.
4. Wide Input Voltage Range: Accepts input voltages from 4.5V to 28V, making it versatile for different applications.
5. Thermal Regulation: It includes thermal regulation to prevent overheating during charging.
6. Compact Size: The design is compact, suitable for space-constrained applications.
7. Integrated Protection Features: It has built-in protections against overvoltage, undervoltage, and thermal issues, ensuring safe operation.
Overall, the MAX8902BATA+ is ideal for smartphones, tablets, and other portable devices requiring efficient power management.
Pinout
The MAX8902BATA+ is a power management IC from Maxim Integrated, featuring a total of 10 pins. Its primary functions include a battery charger, power-path management, and system power management for portable devices.
Pin Count: 10
Key Functions:
1. Battery Charger: Supports Li-ion and Li-polymer batteries.
2. Power Path Management: Allows simultaneous charging and system operation.
3. Input Power Source Detection: Automatically detects and selects between multiple power sources.
4. System Power Output: Provides regulated system voltage with load sharing.
5. Status Indicators: LED status outputs for charging, fault conditions, etc.
For detailed specifications and electrical characteristics, refer to the MAX8902BATA+ datasheet.
Pin Count: 10
Key Functions:
1. Battery Charger: Supports Li-ion and Li-polymer batteries.
2. Power Path Management: Allows simultaneous charging and system operation.
3. Input Power Source Detection: Automatically detects and selects between multiple power sources.
4. System Power Output: Provides regulated system voltage with load sharing.
5. Status Indicators: LED status outputs for charging, fault conditions, etc.
For detailed specifications and electrical characteristics, refer to the MAX8902BATA+ datasheet.
Manufacturer
The MAX8902BATA+ is manufactured by Maxim Integrated, which is a company specializing in the design and manufacturing of analog and mixed-signal integrated circuits (ICs). Maxim Integrated focuses on a wide range of applications including power management, signal processing, and data conversion, catering to industries such as telecommunications, automotive, consumer electronics, and industrial automation. In 2020, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its portfolio and capabilities in the semiconductor market.
Application
The MAX8902BATA+ is a power management integrated circuit (PMIC) primarily used in portable devices. Key application areas include:
1. Smartphones and Tablets: For efficient battery charging and management.
2. Wearable Devices: Supporting low-power operations and compact designs.
3. IoT Devices: Ensuring reliable power supply and energy efficiency.
4. Consumer Electronics: Used in gadgets like cameras and handheld gaming devices.
5. Industrial Applications: Powers sensors and wireless modules in automation systems.
Its features include high efficiency, low quiescent current, and integrated voltage regulation, making it suitable for devices where battery life and compactness are critical.
1. Smartphones and Tablets: For efficient battery charging and management.
2. Wearable Devices: Supporting low-power operations and compact designs.
3. IoT Devices: Ensuring reliable power supply and energy efficiency.
4. Consumer Electronics: Used in gadgets like cameras and handheld gaming devices.
5. Industrial Applications: Powers sensors and wireless modules in automation systems.
Its features include high efficiency, low quiescent current, and integrated voltage regulation, making it suitable for devices where battery life and compactness are critical.
Package
The MAX8902BATA+ comes in a 16-pin TQFN (Thin Quad Flat No-lead) package, measuring 3mm x 3mm. This compact package type is designed for efficient thermal performance and space-saving in electronic applications.
