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The RT5142 offers highly-integrated multi-channel system power management solutions to meet the performance, efficiency, and feature requirements. <br /><br />The RT5142 incorporates four buck regulators and two LDOs that deliver several output voltages. This provides flexibility to support applications of different VIDs with a configurable power-on sequence.<br /><br />The RT5142 supplies 8 configurable GPIOs for system hardware control requirements. These GPIOs can be configured for multiple purposes, such as, PWRDIS/ Sleep/ Deep Sleep settings for PMIC state machine control, Buck1/2 Enable/Disable setting, Buck3/4 VID control setting, POR_RST_N pin for monitoring PMIC power good and can also be configured as two sets External_EN and External_PG signals. In addition, the GPIOs also support three-state through I<sup>2</sup>C interface configuration when the RT5142 works in the normal mode.
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  • 输入电压范围：2.7V-3.7V
  • 各调节器输出特性
    ► Buck1：1.7V-2.9V 可调，级差 20mV，4A
    ► Buck2：0.9V-2.0V 可调，级差 10mV，2A
    ► Buck3：0.5V-1.3V 可调，级差 10mV，4A
    ► Buck4：0.9V-2.0V 可调，级差 10mV，2A
    ► LDO1：1.0V-2.7V 可调，级差 50mV，400mA
    ► LDO2：1.0V-2.7V 可调，级差 50mV，400mA
  • 参考电压精度：±1.5%@-40°C - 125°C
  • DVID 决定输出电压
  • 各转换器独立可控
  • 各转换器软启动时间可调
  • Buck 转换器工作频率可调
  • 输入过压、欠压指示和保护
  • 输出过压、欠压、过流保护
  • 过热关机保护
  • 轻载时以二极管仿真模式运行
  • 使用非易失寄存器保存配置信息
  • I2C 接口工作频率：400kHz/1MHz/3.4MHz
  • GPIO 端子可用于多种目的
  • 环境温度范围 -40°C 至 85°C
  • 结面温度范围: -40°C 至 125°C
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