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IP2331
The IP2331 is a charger and step-up converter developed for handheld devices powered by a single lithium battery, such as TWS charging cases and smart wearable devices. It offers a low-cost, highly integrated solution, eliminating the need for an external 5V step-up converter while improving charger performance. Efficiency and charging current capability are enhanced by using a switch-mode charger instead of a linear mode power supply. The IP2331 supports path management, where the switch charger and synchronous switch step-up converter time-share the power transistor and inductor, enabling simultaneous charging and discharging. The high integration and rich functionality of the path management power transistor and switch power transistor minimize the need for external components and effectively reduce the overall solution size and BOM cost. The IP2331 integrates a 5V output, synchronous rectification step-up DC-DC converter with an internal power transistor, providing a maximum output current of 400mA. The output voltage is I2C configurable or customizable, with step-up efficiency as high as 95%, supporting low-cost BOM solutions. The IP2331's switch charger provides a maximum charging current of 2A, with flexible configuration of the maximum charging current via I2C or customization. It incorporates intelligent charging current adjustment based on IC temperature and input voltage. The IP2331 enables battery and output pass-through. The output can be configured or enabled/disabled via I2C or pin control. With a 5V output, the battery static current can be reduced to a minimum of 5µA, and when the chip output is disabled, power consumption drops to 2µA. The IP2331 supports I2C communication for setting charging and discharging parameters and reading charging and discharging information. It also supports STAT pin indication of charging information. The IP2331 is packaged in a QFN16 (0404) package.
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- Product Description
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- Commodity name: IP2331
- 封装: QFN16 (0404)
- 品牌: Actions Semiconductor
The IP2331 is a charger and step-up converter developed for handheld devices powered by a single lithium battery, such as TWS charging cases and smart wearable devices. It offers a low-cost, highly integrated solution, eliminating the need for an external 5V step-up converter while improving charger performance. Efficiency and charging current capability are enhanced by using a switch-mode charger instead of a linear mode power supply. The IP2331 supports path management, where the switch charger and synchronous switch step-up converter time-share the power transistor and inductor, enabling simultaneous charging and discharging. The high integration and rich functionality of the path management power transistor and switch power transistor minimize the need for external components and effectively reduce the overall solution size and BOM cost. The IP2331 integrates a 5V output, synchronous rectification step-up DC-DC converter with an internal power transistor, providing a maximum output current of 400mA. The output voltage is I2C configurable or customizable, with step-up efficiency as high as 95%, supporting low-cost BOM solutions. The IP2331's switch charger provides a maximum charging current of 2A, with flexible configuration of the maximum charging current via I2C or customization. It incorporates intelligent charging current adjustment based on IC temperature and input voltage. The IP2331 enables battery and output pass-through. The output can be configured or enabled/disabled via I2C or pin control. With a 5V output, the battery static current can be reduced to a minimum of 5µA, and when the chip output is disabled, power consumption drops to 2µA. The IP2331 supports I2C communication for setting charging and discharging parameters and reading charging and discharging information. It also supports STAT pin indication of charging information. The IP2331 is packaged in a QFN16 (0404) package.
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