The Qualcomm SMB1355 is a PMIC (Power Management IC) designed for use in Mobile Devices, particularly focusing on battery charging and power management for smartphones, tablets, and portable electronics. It provides an efficient solution for battery charging, system power regulation, and battery management in devices that require high-performance power delivery.

The SMB1355 supports Quick Charge 3.0, USB Type-C power delivery, and is designed to manage battery charging efficiently and safely. It integrates multiple functions, including buck converters, battery protection, and charge regulation. This makes it a key component for efficient power management in modern portable devices.

Equivalent ICs to the Qualcomm SMB1355:

Here are some equivalent ICs from other manufacturers that offer similar features in battery charging, power management, and system power regulation:

1. Texas Instruments (TI)

Texas Instruments offers a range of PMICs for mobile and portable applications with fast charging and battery management features.

• TI BQ25895: A highly integrated Li-Ion and Li-Polymer battery charger with support for USB Type-C, Quick Charge 2.0/3.0, and USB Power Delivery (PD). It includes features like buck converters for efficient power conversion, battery management, and system power regulation, similar to the SMB1355.

• TI BQ25703A: This is a PMIC for battery charging with USB Power Delivery and Quick Charge 3.0. It is designed for portable devices, integrating battery management, charging regulation, and power path control.

• TI TPS25750: A USB Type-C/PD controller with integrated DC/DC converters. It provides power delivery solutions with fast charging features and is commonly used in smartphones, laptops, and other portable electronics.

2. Analog Devices

Analog Devices provides PMICs with advanced battery charging and power management capabilities for portable devices.

• Analog Devices LTC4162: This is a high-efficiency Li-Ion/Li-Polymer battery charger with USB Power Delivery (PD) and Quick Charge support. It includes buck converters and integrated features for battery management, making it a strong alternative to the SMB1355.

• Analog Devices LTC4015: A high-performance battery charger and power management IC designed for mobile devices. It integrates high-efficiency buck converters, charging regulation, and battery management. It also supports USB Power Delivery.

3. ON Semiconductor

ON Semiconductor offers PMICs that support battery charging, power delivery, and charging regulation.

• ON Semiconductor NCP4681: A fast charging PMIC with USB Power Delivery support. It integrates buck regulators and charge controllers, designed for mobile devices with efficient power management.

• ON Semiconductor NCP81239: A high-efficiency battery charger IC with integrated buck converters and support for USB Type-C charging, similar to the Qualcomm SMB1355 in functionality.

4. Microchip Technology

Microchip offers several PMICs for mobile and portable applications with support for battery charging, power delivery, and charging regulation.

• Microchip MIC4680: A battery charger IC with support for USB Type-C and Quick Charge. It includes buck converters, charging regulation, and battery management, providing a solution similar to the SMB1355.

• Microchip MIC94060: A USB Type-C charger controller with integrated power management features for portable electronics. It includes buck regulators and charging controllers.

5. NXP Semiconductors

NXP provides PMICs and charging solutions with integrated battery management and fast charging features.

• NXP PTN5150: A USB Type-C controller with integrated power delivery capabilities. It provides solutions for high-efficiency power management, similar to the SMB1355 in fast charging and battery regulation.

• NXP PCF2129AT: This is a battery charger and PMIC solution that supports USB Power Delivery and includes charge regulation, battery protection, and power path control.

6. Maxim Integrated (now part of Analog Devices)

Maxim Integrated offers highly integrated PMICs for charging and battery management in mobile and portable devices.

• Maxim MAX77818: A PMIC with support for USB Power Delivery and Quick Charge. It features battery charging, buck converters, and battery management for portable devices, similar to the Qualcomm SMB1355.

• Maxim MAX17222: A battery fuel gauge with integrated power management features for Li-Ion/Li-Polymer batteries, offering solutions for charging regulation and battery management.

7. Richtek (now part of MediaTek)

Richtek offers PMICs with integrated charging regulation, battery management, and power delivery support.

• Richtek RT9463: A fast Charging IC with USB Type-C and Quick Charge support. It integrates buck regulators and battery charging features for mobile applications.

• Richtek RT9122: A fast charging IC that supports USB Power Delivery and Quick Charge 3.0. It provides battery management and power regulation, similar to the SMB1355.

Key Features to Compare:

When comparing alternatives to the Qualcomm SMB1355, consider the following key features:

• Battery Management: Ensure the IC supports Li-Ion/Li-Polymer battery charging and provides features like battery protection, charging regulation, and battery status monitoring.

• USB Power Delivery (PD): Look for ICs that support USB PD for fast charging and USB Type-C compatibility.

• Efficiency: Choose PMICs with high efficiency in buck converters and charging regulation to extend battery life and minimize heat.

• Fast Charging: Ensure the IC supports Quick Charge 3.0, USB PD, or similar fast charging protocols.

• Size and Integration: For mobile devices, size and integration are important to reduce component count and save board space.

Conclusion:

The Qualcomm SMB1355 is a PMIC optimized for battery charging, power management, and system regulation in mobile devices. Equivalent power management ICs with similar features include:

• TI BQ25895, BQ25703A, TPS25750.

• Analog Devices LTC4162, LTC4015.

• ON Semiconductor NCP4681, NCP81239.

• Microchip MIC4680, MIC94060.

• NXP PTN5150, PCF2129AT.

• Maxim MAX77818, MAX17222.

• Richtek RT9463, RT9122.

These alternatives offer similar features such as battery charging, fast charging (USB PD, Quick Charge), buck converters, and battery management, making them suitable replacements for the Qualcomm SMB1355 in a wide range of mobile and portable electronics applications.