Diodes high-precision single-chip protection integrated circuit for single-cell lithium-ion batteries was invented!

Diodes Incorporated's new AP9234L integrated circuit offers a wide range of protection features designed to provide a high-precision single-chip solution for single -cell Li-Ion battery packs and Li-Polymer rechargeable battery packs. The new products are aimed at manufacturers of battery protection circuit modules for smart phones, cameras and consumer electronics of the same type.

The AP9234L integrates a high-precision battery protection circuit with a dual N-channel common-drain MOSFET, which has an ultra-low Rss(ON) specification of typically 13mΩ at VDD=4.0V and ID=1.0A. When the device detects overcharge voltage/current, over-discharge voltage/current, or load short-circuit condition, it automatically turns off the MOSFET to ensure safe charging and discharging.

Diodes' innovative design and process technology enables the device to achieve stable voltage sensing over the full operating temperature range of -40°C to +85°C, ultra-low quiescent current (typically 3.0μA in normal mode) ; 0.1μA in power-down mode) also helps save power. In addition, the over current detection voltage compensation circuit ensures the accuracy of the current limit. In addition to the auto-shutdown mode, the AP9234L is also equipped with an optional auto-wake feature and voltage protection customization to meet various battery specifications.

The new product is available in a standard pinout DFN2535-6 package and is shipped in 10,000 quantities to provide a low bill of material cost solution.

Introduction to Diodes

Diodes Incorporated (Diodes Incorporated) is a Standard & Poor's Small Capital 600 Index (S&PSmallCap600 Index) and Russell 3000 Index. It is the world's leading manufacturer and supplier of discrete, logic and analog semiconductor products for consumer electronics, computing, communications, and industrial different markets such as cars. Diodes' products include diodes, rectifiers, transistors, MOSFETs, protection devices, special function arrays, single-gate logic, amplifiers and comparators, Hall effect and temperature sensors, covering LED drivers, AC-DC converters and controllers, DC- Power management devices such as DC switches and linear regulators, voltage references, and special features such as USB power switches, load switches, voltage monitors, and motor controllers.

The headquarters and sales office of Diodes is located in Plano, Texas, USA. Diodes Company has design, marketing and engineering centers in Plano, San Jose, California, Taipei, Manchester, UK, and Neuhaus, Germany. They have wafer fabrication plants in Kansas City, Missouri and Manchester and two more in Shanghai. An assembly and testing plant in Shanghai, Chengdu, Taipei and Neuhaus, Germany; engineering, sales, warehousing and logistics offices in Taipei, Hong Kong, Shanghai, Shenzhen, South Korea, Manchester and Munich; and sales and support offices around the world.

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