芯片翻译adp3198主板cpu供电控制

1、31983198是og Devi公司新近的2-4相8bit控制。它是一种高效的多相同步开关电路控制器，可以有效地将12V电源输出电压转化为el处理器所需的供电电压，一般应用在高端产品线上。3198的电路框图VCC31RT RADJ1213偏离调制器振荡器19OD欠压锁定SET EN RESET+CMPGND301相+850mV+RESET2/3/4相逻辑驱动器RESET292CMPEN位DAC+ 150mV+CMP283控制CSREF274+CMPRESET器DAC 500mV电流检测PWRGD延时缓冲SW1 SW2 SW3SW42524TSE VRHOT VRFAN温度检测/控制2322PI

2、LIMITCSREF过流检测器DELAYCMIMONIREF20FBCOMP 5LLSET基准电压源FBRTN3引导电压、SS6软启动控制器VID DACVIDSEL40319832 33 34 35 36 37 38 39VID7 VID6 VID5 VID4 VID3 VID2 VID1 VID0Figure 1.3198的针脚封装图PIN 1 INDICATOREN PWRGD FBRTNFB COMPSS DELAY VRFAN123456781234302928272625242322213198TOP VIEW(Not to Scale)NC SW1 SW2 SW3VRHOTSW4

3、 IMON9TSE 10VIDSEL VID0 VID1 VID2 VID3 VID4 VID5 VID6 VID7 VCCILIMIT RT1112131415161718192040393837363534333231ARDJLLSETCSREFCS UMP D OD IREF3198的各引脚功能引脚号引脚名称引脚功能1EN使能控制端2PWRGDER GOOD 信号输出端3FBRTN反馈接地端4FB输出电压反馈信号输入端5COMP误差放大器输出端6SS软启动控制输入端7DELAY软启动延时开启控制端，该脚外部通常连接RC 定时元器件8VRFAN散热风扇控制信号输出端9VRHOT电源过热检测

4、信号输出端10TSE电源过热检测信号输入端11ILIMIT限流设置端12RT振荡电阻连接端13RADJ波调整控制输入端14LLSET电流限制检测电压输入端15CSREF限流基准电压输入端16CM限流检测公共端17P限流补偿端18GND接地端19OD输出逻辑信号输出端20IREE基准电流输入端21IMON模拟输出端22-25SW4-SW1电流平衡检测输入端26NC空脚27-30PW4-PW1控制信号输出端31VCC12V 供电电压输入端32-39VID7-VID0CPU 电压模式识别端。若这 8 个引脚均悬空，则工作在“无 CPU”模式，此时无控制信号输出40VIDSEL供电模式控制端3198的

5、40脚（VIDSEL）为供电模式控制端，当该脚接电压时，电源工作在VR11模式下;该脚接低电平电压时，电源工作在VR10.X模式下。输出电压递增或递减。3198的输出电压由32-39脚控制，而这些引脚电平的组合便可以使3198的32-39脚电平与输出电压之间的关系VR11工作模式下（VIDSEL为）VR10工作模式下（VIDSEL为低电平）输出电压(V)VID7VID6VID5VID4VID3VID2VID1VID0VID4VID3VID2VID1VID0VID5VID6关闭00000000悬空关闭00000001悬空1.600000000001001010110110101010100010

6、1101101010110011001011111110101110000011000100101100000100110011011011001010001101011010110100110011011111101101100000111001001011100001001110111.493750001001101110101.487500001010001111011.481250001010101111001.475000001011001111111.468750001011101111101.462500001100010000011.456250001100110000001.

7、450000001101010000111.443750001101110000101.437500001110010001011.431250001110110001001.425000001111010001111.418750001111110001101.412500010000010010011.406250010000110010001.4000000100010100101101110010101001001101101100110011010011111111001110000101000100110100000101010011011101001010010101011011

8、010100110101011111110101100001011001001101100001010110111 293750011001110110101 287500011010010111011 281250011010110111001 275000011011010111111 268750011011110111101 26250001110001100001VR11工作模式下（VIDSEL为）VR10工作模式下（VIDSEL为低电平）输出电压(V)VID7VID6VID5VID4VID3VID2VID1VID0VID4VID3VID2VID1VID0VID5VID61 2562

9、50011100111000001 250000011101011000111 243750011101111000101 237500011110011001011 231250011110111001001 225000011111011001111 218750011111111001101 212500100000011010011 206250100000111010001 200000100001011010111.1111010101.0011011011.0111011001.1011011111.1111011101.0011100011.0111100001.1011100

10、111.1111100101.0011101011.0111101001.125000100111011101111.118750100111111101101.112500101000011110011.106250101000111110001.100000101001011110111.09375010100111111010关闭关闭悬空1111101关闭关闭悬空1111100关闭关闭悬空1111111关闭关闭悬空11111101.087500101010000000011.081250101010100000001.075000101011000000111.0687501010111

11、00000101.062500101100000001011.056250101100100001001.050000101101000001111.043750101101100001101.037500101110000010011.031250101110100010001.025000101111000010111.018750101111100010101.012500110000000011011.006250110000100011001.000000110001000011110.993750110001100011100.987500110010000100010.98125

12、0110010100100000.975000110011000100110.968750110011100100100.962500110100000101010.956250110100100101000.950000110101000101110.943750110101100101100.937500110110000110010.931250110110100110000.92500011011100011011VR11工作模式下（VIDSEL为）VR10工作模式下（VIDSEL为低电平）输出电压(V)VID7VID6VID5VID4VID3VID2VID1VID0VID4VID3V

13、ID2VID1VID0VID50.91875011011110011010.91250011100000011100.90625011100010011100.90000011100100011110.89375011100110011110.887500111010001000010.881250111010101000000.875000111011001000110.868750111011101000100.862500111100001001010.856250111100101001000.850000111101001001110.843750111101101001100.83

14、7500111110001010010.831250111110101010000.8250001111110悬空悬空0.8187501111111悬空悬空0.8125010000000悬空悬空0.8062510000001悬空悬空0.8000010000010悬空悬空0.7937510000011悬空悬空0.7875010000100悬空悬空0.7812510000101悬空悬空0.7750010000110悬空悬空0.7687510000111悬空悬空0.7625010001000悬空悬空0.7562510001001悬空悬空0.7500010001010悬空悬空0.74375100010

15、11悬空悬空0.7375010001100悬空悬空0.7312510001101悬空悬空0.7250010001110悬空悬空0.7187510001111悬空悬空0.7125010010000悬空悬空0.7062510010001悬空悬空0.7000010010010悬空悬空0.6937510010011悬空悬空0.6875010010100悬空悬空0.6812510010101悬空悬空0.6750010010110悬空悬空0.6687510010111悬空悬空0.6625010011000悬空悬空0.6562510011001悬空悬空0.6500010011010悬空悬空0.6437510

16、011011悬空悬空0.6375010011100悬空悬空0.6312510011101悬空悬空0.6250010011110悬空悬空0.6187510011111悬空悬空0.6125010100000悬空悬空0.6062510100001悬空悬空0.6000010100010悬空悬空0 5937510100011悬空悬空0 5875010100100悬空悬空0 5812510100101悬空悬空0 5750010100110悬空悬空0 5687510100111悬空悬空0 5625010101000悬空悬空0.5562510101001悬空悬空0.5500010101010悬空悬空0.543

17、7510101011悬空悬空0.5375010101100悬空悬空0.5312510101101悬空悬空0.5250010101110悬空悬空0.5187510101111悬空悬空0.5125010110000悬空悬空0.5062510110001悬空悬空0.5000010110010悬空悬空关闭关闭111111101111110关闭关闭111111111111111R4 2.2C9 18nFL1 370nH18A2700F/16V/3.3A 2VIN 12V+VIN RTNC12 4.7FU2 3110AC11 10nFQ2 NTD40N03L2 320nH/1.4mC1 C2D2 1N41

18、48560F/4V 8V5m EACHQ1 NTD40N03CC(CORE)0.5V TO 1.6V102+C10VCC(CORE) R NC25 Q44.7FNTD110N02C3222F 18 MLCCR5 2.2C13 18nFQ3NTD110N02VCC(SENSE)C16U3 3110AC15 10nF4.7F1kVSS(SENSE)12VQ6 NTD40N03L3 320nH/1.4mD31 BSTDRVH 81N41481FR2 267k1%2 INSW 7Q5 NTD40N035605603 ODPGND 61024 VCCDRVL 5C14 4.7F+C3C41FQ8100FNTD110N02(C3 OPTIONAL)R6C17Q72.218nFNTD110N02FROM CPUVTT I/OC51nF40C20 4.7FU4 3110ABSTC19 10nFQ10 NTD40N03L4 320nH/1.4mER GOOD VRFAN PROCHOT1D4 1N4148EN1DRVHPWRGD2FBRTN3INSWU1Q9 NTD40N03FB4102CCODPGNDBFBCOMP3NC SW