芯片翻译rt9241主板cpu供电控制

1、RT9241RT9241是一款主板中常用的两相供电控制，一般应用在845系列组的主板中。RT9241的电路框图DVD上电复位VDDPGOOD振荡器120% VDAC+- INH+-INH1VID0 VID1 VID2 VID3 VID4108% VDAC过压保护+-+- CPDACPGOOD信号/逻辑INH+-逻辑 &驱动器2电路平衡控制 92% VDAC限流电路CP-VSENISP1 ISN1ISP2 ISN2+CS1下降控制器-ADJ+CS2+-FBGNDCOMPSSRT9241的各引脚功能引脚号引脚名称引脚功能14 DI V2时3 DI V，此”模C式P无U在“识工别作模，式则电悬压CP

2、空U脚均个5 引若这端。32 DI V别端出识号输制信无控41 DI V50 DI V6C整O端M比P 调占空脉冲7BF端 输入信号反输馈出电压8J DA端 设置电流输出9端 D输VD入检测过压电压12V10SS制端动控软启112 NSI2 端反馈电流121 NIS1 端反馈电流13DNG端接地14NES V端检测电流152 端2PSI输入检测平衡电流162 2信号输出端171 1信号输出端181 端 SI1输P入检测平衡电流19端PGOO输D出信号GROEOD20DV端D 输入电压供电EA软启动逻辑 &驱动器RT9241的针脚封装图VID4 VID3 VID2 VID1 VID0 COMPF

3、B ADJ DVD SS2019181716VDD PGOOD ISP112ISP2 VSEN GND ISN1 ISN2234567812RT9241的输出电压由引脚15控制，控制这些引脚的电平组合即可控制输出端的电压。RT9241引脚15的电平与输出电压的关系VID4VID3VID2VID1VID0输出电压（V）11111关闭模式111101.100111011.125111001.150110111.175110101.200110011.225110001.250101111.275101101.300101011.325101001.350100111.375100101.40010

4、0011.425100001.450011111.475011101.500011011.525011001.550010111.575010101.600010011.625010001.650001111.675001101.700001011.725001001.750000111.775000101.800000011.825000001.850RT9241的典型应用电路+5V1012V1uF1.2uH1uF12V11141uF10K1000uF 1uFBOOT1VDD VID41 VID32 VID23 VID14 20VID4VDD5+5VPGOODPVCC1912VID3VID2

5、 VID1PGOODUGATE1PHASE12uHx1500uF13PHB83N03LT16.6nF1712.4K24K1RT96020.01uFVID053KVID0182ISP14LGATE126COMPFB 12 3KPHB95N03LT33pFISN1379UGATE2GND8 ADJ6141000uF 1uFPGND8VSEN2.4KPHASE2133K15GND2uHISP2PHB83N03LT7LGATE213K91uF12VDVDx1500uF0.01uFBOOT2RT924110103K11SSPHB95N03LT2.4KISN20.1uF162VCORE1uH+5V12V1

6、uF1uF100uF/16VTypical 12V621uF10KVCC PVCCBOOT UGATE VID4 1 VID3 2 VID2 3 VID1 4 2019VID4VDD71Q1PHB83NO3LT+5V2uHPGOOD8VID3VID2 VID1PGOOD1uFPHASERT9600LGATEGNDVCORE01uF1500uF1500uF352.4K6.6nF1724K1Q2 PHB95NO3LTVID0 5VID046COMPFB2.4K1833pFISP17 12 2.4K8 ISN1ADJ1K1uFGNDTypical12V100uF2.4KISP2VSEN62VCC PVCCBOOT UGATE1uF71uF1Q3PHB83NO3LT