GreenPak™具有低跌落调节器

为了克服这些挑战，对话已经制定了“灵活权力岛屿”的概念。使用FPI，设计人员可以将它们的复杂电力系统分成一些局部电源区域（或岛），每个数量包括在附近支持负载所需的功率控制，功率排序和功率调节。该技术导致更高的性能和更有效的解决方案，可以灵活地根据每个单独系统的要求量身定制。

In some cases, using an FPI can be very useful to augment the functions included in a Power Management IC (PMIC). In this use case, the FPI can support local point-of-load regulation, sequencing and power monitoring. This can result in simpler layout, as well as improved energy and thermal efficiency.

For smaller and simpler systems (which have up to six power rails), the FPI concept can provide most or all of the power system functions needed. In this case, the FPI can serve as a “µPMIC”, but with the added benefit of greater levels of flexibility and customization, with no requirements for NRE.

With the SLG46580, Dialog has captured many of these necessary power system functions (power monitoring, sequencing, reset and power switching) in a tiny 2.0 x 3.0 mm 20 pin fully encapsulated plastic package. Using Dialog’s easy-to-use GUI based GPAK Designer™ and GPAK development hardware, designers can quickly and easily implement their unique configuration of the device, thereby customizing the functions to match their unique power requirements.

SLG46580有四个LDO，每个LDO，最大输出电流为150mas。每个LDO具有可编程输出电压电平，可以设置为30个不同的值中的一个，从0.9V到4.35V中的一个，并且还具有可编程选项，用于重流速率选择和故障检测。

FPI概念广泛适用于一系列终端市场，如下所示。

• 手持设备
• 可穿戴电子产品
• Computing & Storage
• Consumer Electronics
• 聪明的家
• Networking & Communications
• Medical & Industrial

Greenpak与LDO的好处

高集成

• 包括通常在电力系统中找到的许多组件
  • 功率控制
  • 电源测序
  • 力量Monitoring
  • 力量Regulation

小尺寸

• 2.0 x 3.0小董事会区域的STQFN包装

Tri-Mode 150 MA LDO调节器：

• 模式0：150mA输出，静态电流在约60μA
• 模式1：100μA输出，静态电流在约6μA
• Bypass Mode: Acts like a load switch

GreenPak可配置宏观细胞的灵活性

• 模拟比较器
• 组合功能宏细胞
• 异步状态机（ASM）
• I²C从协议界面

Using Asynchronous State Machine for Power Sequencing

异步状态机（ASM）宏单元非常适合驾驶灵活的电源排序架构。基于图形用户界面（GUI）的开发工具允许用户快速定义操作状态，允许的状态之间的转换，并链接到驱动每个状态转换的信号。使用其他GreenPak宏单元允许用户容易地基于基于时间的状态转换（使用延迟宏小区）和逻辑功能（使用查找表）。下面所示的示例状态机是在演示项目中使用的，以驱动六个电源轨的电源排序信号，以及依次打开四个LDO的信号。

控制LDO与GreenPak资源

包括在这些设备中的LDO允许用户在操作期间动态地控制输出的许多方面：

Controlling Output Voltage:Each LDO can support two output voltages, which are user-selectable. There is an internal signal coming from the Connection Matrix that can switch the output voltage during operation.

控制功耗：Each LDO regulator can operate in MODE0 (standard active mode supporting full 150 mA output), as well as MODE1 (low power mode with maximum 100μ output with reduced quiescent current consumption.

加载开关模式：Each LDO has a user-selectable option where regulator ceases to regulate and the power MOSFET is turned on as a power switch, passing the voltage applied to VIN directly to VOUT.

通过I²C更改LDO行为：All of the control features listed above can also be changed via I²C commands.