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ETA9797
Features Ultra-low IQ in standby mode, Ibat < 5uA 16V input shutdown voltage 4.2V charge termination voltage Programmable charging current, up to 1.2A Output disconnect and SCP (on 5V output) 5V/0.4A output power Boost converter efficiency up to 94% Battery-free operation Logic control shutdown and thermal shutdown ESOP8 package Applications TWS BT Earbud Charging Case Bluetooth applications Battery-powered IoT modules Mobile power supply
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- Product Description
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- Commodity name: ETA9797
- 封装: ESOP8
- 品牌: Yutai Semiconductor
Features Ultra-low IQ in standby mode, Ibat < 5uA 16V input shutdown voltage 4.2V charge termination voltage Programmable charging current, up to 1.2A Output disconnect and SCP (on 5V output) 5V/0.4A output power Boost converter efficiency up to 94% Battery-free operation Logic control shutdown and thermal shutdown ESOP8 package Applications TWS BT Earbud Charging Case Bluetooth applications Battery-powered IoT modules Mobile power supply
The ETA9797 is an ultra-low-power PMU with two channels: a 16V single-cell Li+ battery linear charger and a 5V boost synchronous converter with true shutdown functionality. The linear charger fully integrates constant current (CC)/constant voltage (CV) control modules and charging FETs, requiring minimal external components. It also features a pre-charge function with trickle charging.
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