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IP5518
The IP5518 is a multi-functional power management SoC that integrates a 5V boost converter, lithium battery charging management, and battery power indication. It provides a complete power solution for TWS Bluetooth earphone charging cases. The high integration and rich features of the IP5518 allow it to use only a minimal number of external components during application, effectively reducing the overall solution size and lowering the BOM cost. The IP5518 integrates a 5V output, synchronous rectification boost DC-DC converter with built-in power transistors, providing a maximum output current of 300mA and a boost efficiency as high as 93%. The DC-DC converter switching frequency is 1.5MHz, supporting low-cost inductors and capacitors. The IP5518's linear charging provides a maximum charging current of 500mA, with flexible configuration of the maximum charging current. It has built-in IC temperature and input voltage intelligent charging current adjustment functions. The IP5518 can achieve independent in-case detection for TWS earbuds. Upon detecting earbuds in the case, it automatically enters the earbud charging mode, and automatically enters sleep mode after the earbuds are fully charged, with the static current dropping to as low as 20uA. The full-charge current can be flexibly customized, with a charging current detection accuracy of up to 1mA. The IP5518 has a built-in MCU, allowing flexible customization of 4/3/2/1 LEDs or a 188 digital tube power display. A built-in 12-bit ADC accurately calculates the battery power. The IP5518 uses a QFN24 package.
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- Product Description
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- Commodity name: IP5518
- 封装: QFN24
- 品牌: Actions Semiconductor
The IP5518 is a multi-functional power management SoC that integrates a 5V boost converter, lithium battery charging management, and battery power indication. It provides a complete power solution for TWS Bluetooth earphone charging cases. The high integration and rich features of the IP5518 allow it to use only a minimal number of external components during application, effectively reducing the overall solution size and lowering the BOM cost. The IP5518 integrates a 5V output, synchronous rectification boost DC-DC converter with built-in power transistors, providing a maximum output current of 300mA and a boost efficiency as high as 93%. The DC-DC converter switching frequency is 1.5MHz, supporting low-cost inductors and capacitors. The IP5518's linear charging provides a maximum charging current of 500mA, with flexible configuration of the maximum charging current. It has built-in IC temperature and input voltage intelligent charging current adjustment functions. The IP5518 can achieve independent in-case detection for TWS earbuds. Upon detecting earbuds in the case, it automatically enters the earbud charging mode, and automatically enters sleep mode after the earbuds are fully charged, with the static current dropping to as low as 20uA. The full-charge current can be flexibly customized, with a charging current detection accuracy of up to 1mA. The IP5518 has a built-in MCU, allowing flexible customization of 4/3/2/1 LEDs or a 188 digital tube power display. A built-in 12-bit ADC accurately calculates the battery power. The IP5518 uses a QFN24 package.
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