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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
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