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IP5518H
Introduction IP5518H is a multi-functional power management SoC that integrates a boost converter, lithium battery charge management, and battery power indication. It provides a complete power solution for TWS Bluetooth earphone charging cases. The high integration and rich functions of IP5518H allow it to use only a minimal number of external components during application, effectively reducing the overall size of the solution and lowering the BOM cost. IP5518H has a built-in synchronous rectification boost DC-DC converter with an internal power tube, providing a maximum output current of 400mA and a boost efficiency as high as 93%. The DC-DC converter switching frequency is 1.0MHz, supporting low-cost inductors and capacitors. The IP5518H linear charging provides a maximum charging current of 500mA and allows flexible configuration of the maximum charging current. It has built-in chip temperature protection and intelligent input voltage adjustment of the charging current. IP5518H can achieve independent in-case detection of TWS dual earphones. After detecting that the earphones are in the case, it automatically enters the earphone charging mode. After the earphones are fully charged, it automatically enters the sleep state, and the static current can be reduced to as low as 20uA. The full-charge current can be flexibly customized, and the full-charge current detection accuracy is as high as 1mA. IP5518H has a built-in 8-bit MCU, which can flexibly customize the display of 4/3/2/1 LEDs or a 188 digital tube for battery power. It has a built-in 12-bit ADC for accurate calculation of battery power.
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- Product Description
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- Commodity name: IP5518H
- 封装: QFN24
- 品牌: Actions Semiconductor
Introduction IP5518H is a multi-functional power management SoC that integrates a boost converter, lithium battery charge management, and battery power indication. It provides a complete power solution for TWS Bluetooth earphone charging cases. The high integration and rich functions of IP5518H allow it to use only a minimal number of external components during application, effectively reducing the overall size of the solution and lowering the BOM cost. IP5518H has a built-in synchronous rectification boost DC-DC converter with an internal power tube, providing a maximum output current of 400mA and a boost efficiency as high as 93%. The DC-DC converter switching frequency is 1.0MHz, supporting low-cost inductors and capacitors. The IP5518H linear charging provides a maximum charging current of 500mA and allows flexible configuration of the maximum charging current. It has built-in chip temperature protection and intelligent input voltage adjustment of the charging current. IP5518H can achieve independent in-case detection of TWS dual earphones. After detecting that the earphones are in the case, it automatically enters the earphone charging mode. After the earphones are fully charged, it automatically enters the sleep state, and the static current can be reduced to as low as 20uA. The full-charge current can be flexibly customized, and the full-charge current detection accuracy is as high as 1mA. IP5518H has a built-in 8-bit MCU, which can flexibly customize the display of 4/3/2/1 LEDs or a 188 digital tube for battery power. It has a built-in 12-bit ADC for accurate calculation of battery power.
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