原标题：Infineon1600W钛服务器电源(PSU)解决方案

　　infineon公司的1600W钛服务器电源(PSU)(评估板EVAL_1K6W_PSU_G7_DD)是达到80Plus® Titanium®标准的服务器电源,具有采用双向开关和半桥LLC DC/DC谐振转换器的连续导通模式(CCM)无桥功率因数校正器(PFC).为了得到高效率,评估板主要采用600 V CoolMOS™ G7超级结MOSFET,CoolSiC™肖特基二极管650 V G6, OptiMOS™ 6 40 V MOSFET,1EDI20N12AF隔离和2EDN7524F非隔离栅极驱动器(EiceDRIVER™), XMC1402和XMC4200微控制器以及CoolSET™准谐振反激控制器.本文介绍了XMC4100/XMC4200 MCU系统框图和主要特性,电源连接框图,以及1600W钛服务器电源(PSU)主要特性,1600W钛服务器电源简化框图,主要指标和测试条件,电路图和材料清单.

　　1600W Titanium server power supply with 600V CoolMOS™ G7 in DDPAK and digital control by XMC1402 and XMC4200 microcontrollers.

　　(XMC1402- Q040X0128 AA/XMC1402-Q040X0200 AA and XMC4200-F64K256 BA

　　The XMC4[12]00 devices are members of the XMC4000 Family of microcontrollersbased on the ARM Cortex-M4 processor core. The XMC4000 is a family of highperformance and energy efficient microcontrollers optimized for Industrial Connectivity,Industrial Control, Power Conversion, Sense&Contro.

　　图1. XMC4100/XMC4200 MCU系统框图

　　XMC4100/XMC4200主要特性:

　　CPU Subsystem

　　• CPU Core

　　– High Performance 32-bit ARM Cortex-M4 CPU

　　– 16-bit and 32-bit Thumb2 instruction set

　　– DSP/MAC instructions

　　– System timer (SysTick) for Operating System support

　　• Floating Point Unit

　　• Memory Protection Unit

　　• Nested Vectored Interrupt Controller

　　• One General Purpose DMA with up-to 8 channels

　　• Event Request Unit (ERU) for programmable processing of external and internalservice requests

　　• Flexible CRC Engine (FCE) for multiple bit error detection

　　On-Chip Memories

　　• 16 KB on-chip boot ROM

　　• up to 16 KB on-chip high-speed program memory

　　• up to 24 KB on-chip high speed data memory

　　• up to 256 KB on-chip Flash Memory with 1 KB instruction cache

　　Communication Peripherals

　　• Universal Serial Bus, USB 2.0 device, with integrated PHY

　　• Controller Area Network interface (MultiCAN), Full-CAN/Basic-CAN with two nodes,64 message objects (MO), data rate up to 1 MBit/s

　　• Four Universal Serial Interface Channels (USIC), providing four serial channels,usable as UART, double-SPI, quad-SPI, IIC, IIS and LIN interfaces

　　• LED and Touch-Sense Controller (LEDTS) for Human-Machine interface

　　Analog Frontend Peripherals

　　• Two Analog-Digital Converters (VADC) of 12-bit resolution, 8 channels each, withinput out-of-range comparators

　　• Digital-Analog Converter (DAC) with two channels of 12-bit resolution

　　Industrial Control Peripherals

　　• Two Capture/Compare Units 4 (CCU4) for use as general purpose timers

　　• One Capture/Compare Units 8 (CCU8) for motor control and power conversion

　　• Four High Resoultion PWM (HRPWM) channels

　　• One Position Interface (POSIF) for servo motor positioning

　　• Window Watchdog Timer (WDT) for safety sensitive applications

　　• Die Temperature Sensor (DTS)

　　• Real Time Clock module with alarm support

　　• System Control Unit (SCU) for system configuration and control

　　Input/Output Lines

　　• Programmable port driver control module (PORTS)

　　• Individual bit addressability

　　• Tri-stated in input mode

　　• Push/pull or open drain output mode

　　• Boundary scan test support over JTAG interface

　　On-Chip Debug Support

　　• Full support for debug features: 8 breakpoints, CoreSight, trace

　　• Various interfaces: ARM-JTAG, SWD, single wire trace

　　图2.XMC4000电源连接方案

　　评估板EVAL_1K6W_PSU_G7_DD

　　1600W Titanium server power supply with 600V CoolMOS™ G7 in DDPAK and digital control by XMC™

　　This Infineon evaluation board (EVAL_1K6W_PSU_G7_DD) represents a complete system solution for a 1600 W server power supply (PSU), which achieves the 80Plus® Titanium® standard. The power supply is composed of a continuous conduction mode (CCM) bridgeless power factor corrector (PFC) using a bi-directional switch and a half-bridge LLC DC-DC resonant converter.

　　›To achieve the high efficiency results the evaluation board features several Infineon key components:

　　›600 V CoolMOS™ G7 superjunction MOSFET

　　›CoolSiC™ Schottky diode 650 V G6

　　›OptiMOS™ 6 40 V MOSFET

　　›1EDI20N12AF isolated and 2EDN7524F non-isolated gate drivers (EiceDRIVER™)

　　›XMC1402 and XMC4200 microcontrollers

　　›CoolSET™ quasi-resonant flyback controller

　　评估板EVAL_1K6W_PSU_G7_DD主要特性:

　　›Input voltage: 176-265 Vac

　　›Output voltage: 12.2 Vdc

　　›Output power: 1600 W

　　›Switching frequency: PFC 65 kHz

　　LLC 160 kHz (resonant frequency)

　　›Peak efficiency: 96%

　　图3. 1600W钛服务器电源外形图

　　图4. 1600W钛服务器电源尺寸图

　　图5. 1600W钛服务器电源简化框图:显示拓扑和所用的Infineon半导体器件

　　Placement of the different sections in the 1600 W PSU with Infineon’s CoolMOS™ and CoolSiC™ products in Double DPAK (DDPAK) package

　　图6. 1600W钛服务器电源部件分布图

　　1600W钛服务器电源主要指标和测试条件:

　　主板材料清单:

　　电源板元件清单:

　　控制板元件清单: