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XRP7725：Intel® Node Manager Compatible Programmable Power Management System
The XRP7725 is a quad channel Digital Pulse Width Modulated (DPWM) Step down (buck) controller. A wide 4.75V to 5.5V and 5.5V to 25V input voltage dual range allows for single supply operation from standard power rails.
With integrated FET gate drivers, two LDOs for standby power and a 105kHz to 1.23MHz independent channel to channel programmable constant operating frequency, the XRP7725 reduces overall component count and solution footprint and optimizes conversion efficiencies. A selectable digital Pulse Frequency Mode (DPFM) and low operating current result in better than 80% efficiency down to 10mA load provides support for portable and Energy Star compliant applications. Each XRP7725 output channel is individually programmable down to a minimum 0.6V with a resolution of 2.5mV, and configurable for precise soft start and soft stop sequencing, including delay and ramp control.
The XRP7725 operation is fully controlled via an SMBus-compliant I2C interface allowing for advanced local and/or remote reconfiguration, full performance monitoring and reporting as well as fault handling.
Built-in independent output over voltage, over temperature, over-current and under voltage lockout protections insure safe operation under abnormal operating conditions.
The XRP7725 is offered in a RoHS compliant, “green”/halogen free 44-pin TQFN package.
技术特性
Quad Channel Step-down Controller
Digital PWM 105kHz-1.23MHz Operation
Individual Channel Frequency Selection
Patented digital PFM with Ultrasonic Mode
Patented Over Sampling Feedback
Digital PWM 105kHz-1.23MHz Operation
Individual Channel Frequency Selection
Patented digital PFM with Ultrasonic Mode
Patented Over Sampling Feedback
Instantaneous current monitoring - Intel® Node Manager Compatible
4.75V to 25V Input Voltage
4.75V-5.5V and 5.5V-25V Input Ranges
0.6V to 5.5V Output Voltage
SMBus Compliant - I2C Interface
Full Power Monitoring and Reporting
3 x 15V Capable PSIO + 2 x GPIOs
Full Start/Stop Sequencing Support
Built-in Thermal, Over-Current, UVLO and Output Over-Voltage Protections
On Board 5V and 3.3V Standby LDOs
On Board Non-volatile Memory
Supported by PowerArchitect™ 5.2 Design and Configuration Software
数据手册S
XRP7725 Datasheet
应用指南
ANP-32, Practical Layout Guidelines for PowerXR Designs
ANP-35, XRP77XX: Extending the MOSFET Gate Drive Conductors
ANP-38, XRP7724 I2C Command Set and Programming Guide
ANP-39, Loading XRP7724 RAM with Runtime Intel HEX File
ANP-43, XRP772X Current Measurement Application Note
说明书
XRP7720/7724/7725EVB-DEMO-1 Evaluation Board Manual
XRP7724/7725EVB-DEMO-2 Evaluation Board Manual
Material Declarations
七月 2015
产品应用
Servers
PCIe Cards
Base Stations
Switches/Routers
Broadcast Equipment
Industrial Control Systems
Automatic Test Equipment
规格 参数
Vin Range 4.75V – 25V
Vout Range 0.6V – 5.5V
Gate Drive Pull Up/Down 4ohm / 2ohm
静态电流(µA) 4mA
Package Type TQFN44
Junction Temperature Range -40°C to 125°C
订购型号
器件型号 封装编码 状态
XRP7725EVB-DEMO-2 Board Active
XRP7725EVB-DEMO-2-KIT Kit Active
XRP7725EVB-DEMO-2-KITA Kit Active
XRP7725ILB-F TQFN44 Active
XRP7725ILBMTR-F TQFN44 Active
XRP7725ILBTR-F TQFN44 Active
Download
七月 2015 XRP7725
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