Introduction

Mobile power supplies have become essential electronic products for people’s travel. Currently, users’ demands for mobile power supply endurance have shifted from a single focus on “high capacity” to a multidimensional approach that includes “fast charging, intelligence, and safety,” especially with higher requirements for support of mainstream fast charging protocols such as USB Type-C PD and UFCS.

Chipsea Technology has launched theCPW6410, a highly integrated SoC chip specifically designed for USB Type-C PD fast charging power applications. This chip has passed the UFCS fusion fast charging certification and supports various mainstream fast charging protocols including PD3.0 and UFCS. It also features a high-performance 24 MHz MCU, 2 KB SRAM, 64 KB Flash, as well as synchronous bidirectional buck-boost management and lithium battery charging management modules, significantly enhancing system integration. The chip has now achieved mass production and has quickly been adopted by multiple best-selling mobile power supply products.

Chipsea CPW6410

CPW6410 is a fast charging power management SoC chip that integrates multiple fast charging protocols such as PD3.0 and UFCS, a high-performance MCU, synchronous bidirectional buck-boost management, and lithium battery charging management, providing a comprehensive solution specifically for USB Type-C PD fast charging power applications.

This chip supports an input and output voltage of 36V, with a high-performance MCU clocked at up to 24MHz, equipped with 2KB SRAM and 64KB Flash, helping end products achieve deep customization. The chip supports charging for 2 to 6 series lithium batteries, providing high efficiency and fast transient response. Additionally, it integrates two independent Type-C interfaces, supporting a single chip solution for dual Type-C ports, and can also expand to support USB A ports, allowing for fast charging functionality even when used independently.

CPW6410 is packaged in QFN56, and can be widely applied in mobile power supplies, car chargers, USB-C docking stations, monitors, and other portable electronic devices. Its main advantages include high efficiency, low power consumption, fast dynamic response, good compatibility, and high reliability.

Application Cases

Weilipu 20000mAh 35W Multi-Function Mobile Power Supply

This mobile power supply from Weilipu features a built-in cable design, with USB-C and Lightning output cables, supporting charging for laptops and smartphones, and can also be directly connected to a charger for recharging. The mobile power supply is equipped with a 188 digital tube power display, accurately showing the battery percentage for a more intuitive understanding of the remaining power. Additionally, it has built-in AC input, allowing it to be charged without a charger, making it convenient to use.

Charging Head Network has learned through disassembly that this mobile power supply from Weilipu contains 2 series of 10000mAh batteries, with the battery pack sourced from Guangdong Weilian Electronics Technology Co., Ltd. The mobile power supply integrates the Chipsea Technology CPW6410 SoC chip, which internally integrates multiple fast charging protocols including PD3.1 and UFCS, high-performance MCU, synchronous bidirectional buck-boost management, and lithium battery charging management, supporting applications for 2-6 series lithium batteries and dual USB-C port usage.

The built-in switch power supply uses an integrated power solution from Anbao, employing the OB2500 primary control chip paired with the OB2005 synchronous rectification chip, with primary side feedback and fixed voltage output. The internal battery is insulated with barley paper and has a thermistor for temperature detection. The Chipsea Technology CPW6410 SoC chip greatly simplifies the design of high-power mobile power supplies with multiple series, making it a highly integrated solution.

Related Articles:

1、Disassembly Report: Weilipu 20000mAh 35W Multi-Function Mobile Power Supply

UGREEN 30W Q-Power Pro Mobile Power Supply PB511

UGREEN’s 30W Q-Power Pro mobile power supply features 1C1A USB ports and comes with a USB-C built-in cable. The USB-C port and cable support PD 30W bidirectional output and UFCS 33W output, supporting mainstream protocols such as UFCS, QC3.0/4+, FCP, SCP, AFC, PD3.0, PPS, DCP, and Apple 2.4A. The USB-A port supports UFCS 33W output. The mobile power supply is equipped with a TFT screen on top, which not only displays the power level but also generates different expressions, making the product more fun to use and allowing users to understand the mobile power supply’s status.

Charging Head Network has learned through disassembly that this mobile power supply from UGREEN contains 2 soft-pack batteries from APRS, connected in series, with a single battery capacity of 5000mAh and an energy of 18Wh, model H606072CL. It uses the CM1020 battery protection chip from iCM and is equipped with 2 battery protection tubes for battery pack protection.

The fast charging management solution for the mobile power supply uses the Chipsea CPW6410 power management SoC, which not only supports multiple fast charging protocols but also integrates high-performance MCU, synchronous bidirectional buck-boost management, and lithium battery charging management modules. Additionally, the PCBA module is filled with a large area of thermal silicone and has a heat sink soldered on to enhance heat dissipation. The battery pack is insulated with barley paper, and all contact surfaces are protected with foam cushioning, ensuring solid internal construction and reliable materials with adequate protective measures.

Related Articles:

1、Disassembly Report: UGREEN 30W Q-Power Pro Mobile Power Supply PB511

Black Shark 55W Built-in Cable Mobile Power Supply

The Black Shark 55W built-in cable mobile power supply has a rated capacity of 20000mAh and a maximum power of 55W. It features 1A1C two USB ports and comes with a USB-C built-in cable, with the C port and cable supporting 40W input and 55W output. The body adopts a black block design, with a PC flame-retardant material shell, giving it a cool and atmospheric appearance. The power button is equipped with a TFT digital display, supporting percentage display of the power level.

Charging Head Network has learned through disassembly that the Black Shark 55W built-in cable mobile power supply contains 2 soft-pack 10000mAh batteries, connected in series, sourced from GPC. The battery pack has a thermistor for temperature detection.

The mobile power supply SoC comes from Chipsea Technology, model CPW6410, which is a power management SoC chip that integrates multiple fast charging protocols such as PD3.1 and UFCS, high-performance MCU, synchronous bidirectional buck-boost management, and lithium battery charging management. It can be said to be “one chip for multiple uses,” greatly simplifying peripheral components and reducing system BOM costs. The internal heating components are surrounded by silicone for enhanced heat dissipation, and the contact surfaces between the shell and the PCBA module are covered with graphite tape and foam for heat dissipation and protection, ensuring a reliable internal structure.

Related Articles:

1、Disassembly Report: Black Shark 55W Built-in Cable Mobile Power Supply

UGREEN 45W 20000mAh Built-in Cable Fast Charging Mobile Power Supply

The UGREEN 45W built-in cable fast charging mobile power supply continues the design language of the Super Energy Block series products, but in detail, it has moved the hidden digital display from the side layout to the front. The USB-C cable uses the same woven technology as Apple, having passed over 10,000 bending tests, making it durable.

The USB-C port/cable supports a maximum of 45W PD bidirectional fast charging, while the USB-A port supports Huawei’s 22.5W SCP super fast charging. Overall, it is compatible with QC3.0, SCP, PD3.0, PPS, and other fast charging protocols, demonstrating excellent compatibility to meet the fast charging needs of brands like Apple and Huawei. Additionally, the product has passed the national 3C mandatory certification and complies with the latest requirements for carrying on airplanes, meeting users’ travel needs.

Charging Head Network has learned that the mobile power supply contains two Lishen polymer lithium-ion cells, which have passed the national 3C mandatory certification and CE certification, ensuring safety and reliability. Additionally, it uses the CM1020-MA+CMT3090K lithium battery protection solution to achieve eight layers of protection functions against overcharging, over-discharging, short circuits, etc., ensuring safe usage.

Using the Chipsea CPW6410 highly integrated SoC chip paired with buck-boost switching transistors, it achieves three-port charge and discharge control, equipped with thermistors for temperature monitoring of the cells, achieving 720,000 times/hour temperature monitoring, ensuring that fast charging does not easily overheat. The filter capacitors are sourced from Green Gem, with capacitors and inductors reinforced with glue, and equipped with thermal pads and heat sinks to assist in cooling the core chip, demonstrating solid workmanship.

Related Articles:

1、Disassembly Report: UGREEN 45W 20000mAh Built-in Cable Fast Charging Mobile Power Supply

Charging Head Network Summary

The Chipsea Technology CPW6410 buck-boost SoC chip breaks the design shackles of traditional solutions that involve multiple discrete components for protocol chips, buck-boost controllers, and MCUs, greatly enhancing system integration and setting a new benchmark for high cost-performance solutions in the industry.

Exhibition Preview

Chipsea Technology (Shenzhen) Co., Ltd. will participate in the Charging Head Network-hosted 2025 (Autumn) Asia Charging Exhibition, with booth number A42 in Area A. We welcome you to visit the exhibition site for communication and negotiation on September 12.

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4、Reviewing Chipsea Technology’s Disassembly Cases Over the Years with Over a Hundred Product Choices

5、Chipsea’s Power Bank Chip Gains Favor from National Subsidy Customers, Assisting Clients in Mass Production and Shipment of Fast Charging Mobile Power Supplies

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「Exhibition Preview」2025 (Autumn) Asia Charging Exhibition