NXP PIP8000FHN数字电源监视方案

NXP公司的PIP8000FHN是兼容电源管理总线(PMbus)协议的数字电源监视IC，通过主系统进行配置，以满足多模式电源的动态转换器的性能。PIP8000FHN的工作电压为2.4 V 到3.6 V，I/O引脚5V容差。I2C总线的频率高达400kHz。PIP8000FHN可用在DC分布电源系统，网络应用，服务器及其附件，通信设备，工业/ATE电源，存储系统以及AC/DC与DC/DC转换器。本文介绍了PIP8000FHN 主要特性，方框图以及典型应用框图。

The PIP8000FHN is a Power Management Bus (PMBus) protocol compliant, digital power supervisor IC, configurable through a host system to meet dynamic converter performance for a multitude of power supply applications. The PIP8000FHN is able to manage power supply operating conditions as well as to monitor and report the status back to a host system using the PMBus protocol.

The PMBus standard uses the widely accepted Inter-Integrated Circuit (I2C) communication protocol for the hardware interface. A number of additional features are added to enhance the basic I2C communication protocol. These are described in the System Management Bus (SMBus) protocol and include SMAlert.

PIP8000FHN 主要特性：

PMBus serial interface:

Query I/O voltage, I/O current, warnings, faults

Query temperature for up to two temperature sensors

Configure and measure RPM for up to two fans

Sequence start-up and turn-off

Configurable 7-channel A/D with calibration factors

I2C device-address pin stripping

Compatible with most analog controllers

Power-on reset

I2C-bus up to 400 kHz

2.4 V to 3.6 V VDD operating range

5 V tolerant I/O pins

Thermal sense capabilities

28 pin HVQFN package, 6 mm x 6 mm

PIP8000FHN 应用：

PMBus compliant low voltage, high current density applications

DC power distributed systems

Networking applications

Servers and server accessories

Telecommunication systems

Industrial / ATE power applications

Storage systems

AC/DC and DC-to-DC applications

图1。PIP8000FHN方框图

　　

图2。PIP8000FHN应用框图