西安航天民芯科技有限公司是一家国内领先的集成电路设计公司。公司成立于2011年，常年专注于工业级、汽车级高速、高精度数据转换器芯片的研究，经过数十年的技术积淀与市场拓展，已成为我国工业核心集成电路元器件研制领域的中坚力量，力争成为中国的模拟芯片龙头企业。
下表是西安航天民芯主要出货型号的DCDC电源选型表：
| 单输出升压转换器 Single Output Step Up Regulator (Power Switch Integrated) | ||||||||||
| Part Number | Function | Vin(V) | Ilimit | Fsw | VREF | MaxVout | FET Ron | Special Function | Package | Cross reference |
| MT9201 | 宽电压高效升压 | 3~24 | 2A(min) | 1.2 MHz | 0.2 V | 26V | 0.1Ω | OVP:28V, LED BL，PFM | SOT23-6 | FP6745,FP6755,AME51 42，SY7200 |
| MT3508AD | 宽电压高效升压 | 2~24 | 4A(typ) | 1.2 MHz | 0.6V | 26V | 0.08Ω | IQ:100uA,PFM | SOT23-6 | SY7208,FP6730,FP6291 ，SS6640 |
| MT3608 | 宽电压高效升压 | 2~24 | 4A(typ) | 1.2 MHz | 0.6V | 26V | 0.08Ω | IQ:100uA,PFM | SOT23-6 | SY7208,FP6730,FP6291, SS6640,LN3608,RY3715,STI3508 |
| MT9284- 28J/BS6/CS6 | 高效升压 | 2.5~5.5 | 1.5A(typ) | 1.2 MHz | 0.104V/0. 25V/0.3V | 26V | 0.5Ω | OVP:28V,IQ:200u A,LED BL,PFM | SOT23-6 | FP6745,FP6755,AME51 42,APW7136A/B/C, MP1541,MP3204 |
| MT9284BS 6L | 高效升压 | 2.5~5.5 | 1.5A(typ) | 1.2 MHz | 0.25V | 24V | 0.5Ω | OVP:25V,IQ:200u A,LED BL,PFM | SOT23-6 | FP6745,FP6755,AME51 42,APW7136A/B/C, MP1541,MP3204，IA3301/G5121 |
| MT3540/F23/F25 | 高效升压 | 2.5~5.5 | 1.5A(typ) | 1.2 MHz | 1.2V/1.23 V/1.25V | -- | 0.5Ω | IQ:40uA,FPM, LED Bias | SOT23-5 | FP6736,AME5140,RY3750,APW7137BI-TR |
| MT3550A/B/C | 高效升压 | 2.5~5.5 | 0.5A(typ) | 1.2 MHz | 1.2V/1.23 V/1.25V | -- | 0.5Ω | IQ:40uA,FPM, LED Bias | SOT23-5 | FP6736,AME5140 |
| 双输出转换器 Dual Output Regulator (Power Switch Integrated) | ||||||||||
| Part Number | Function | Vin(V) | Iout | Fsw | VREF(V) | HSFET/LSFET Ron(Ω) | IQ(uA) | Special Function | Package | Cross reference |
| MT3428 | 双通道降压 | 2~6 | 1A | 1.5MHz | 0.6 | 0.3/0.3 | 35 | Int SS:0.4mS, Ipk:1.8A,PFM | DFN3x3-10 | MP2109,APW7134/9 |
| MT3820 | 双通道降压 | 2.3~6 | 1.5 A | 1.5MHz | 0.6 | 0.12/0.1 | 35 | Int SS:0.4mS, Ipk:2A,PFM | DFN3x3-12 | AME5251 |
| MT3422 | 双通道降压 | 2.3~6 | 2A | 1.5MHz | 0.6 | 0.1/0.08 | 75 | Int SS:0.4mS, Ipk:4A,PFM | ESOP-8 | SY8021/22L |
| 单输出降压转换器 Single Output Step Down Regulator (Power Switch Integrated) | ||||||||||
| Part Number | Function | Vin(V) | Iout | Fsw | VREF | HSFET/LSFET Ron(Ω) | IQ(uA) | Special Function | Package | Cross reference |
| MT9216 | 高效同步降压 | 2~6 | 0.8A | 1.5MHz | 0.6V | 0.35/0.3 | 35 | Intss:0.4mS Ipk:1.5A | SOT23-5 | AME5248,RT8009,XC9216 |
| MT3405 AC | 高效同步降压 | 2.6~7 | 1.3A | 1.5MHz | 1.13V | 0.2/0.3 | 2.1 | IntSS:1.2mS, OVP:7V,IQ:1uA | SOT23-5 | ETA3425/6 |
| MT3410LA/B | 高效同步降压 | 2.3~7 | 1.3 A | 1.5MHz | 0.6 V | 0.3/0.3 | 35 | IntSS:6mS/1mS, Ipk:2A,OVP:7.3V | SOT23-5 | FPETA3426381A,SY8008,SY8088,R T8008,UP1722,MP2105,RT8059，JW5250SSOTA,TMI3108 |
| MT3410 | 高效同步降压 | 2.3~6 | 1.5A | 1.5MHz | 0.6 V | 0.13/0.1 | 35 | Intss:0.4mS Ipk:2.5A | SOT23-5 | FP6381A,SY8008,SY8088,RT8008, UP1722,MP2105,RT8059 |
| MT3410L | 高效同步降压 | 2.3~6 | 1.3A | 1.5MHz | 0.6 V | 0.3/0.3 | 35 | Intss:0.2mS Ipk:2A | SOT23-5 | FP6381A,SY8008,SY8088,RT8008, UP1722,MP2105,RT8059 |
| MT3420 | 高效同步降压 | 2.3~6 | 2 A | 1.5MHz | 0.6 V | 0.1/0.09 | 150 | IntSS:0.4mS, Ipk:4A,PFM | DFN3x3- 10 | SY8082，AP2420 |
| MT3420B/C | 高效同步降压 | 2.3~6 | 2 A | 1.5MHz | 0.6 V | 0.1/0.08 | 40 | IntSS:3mS,Ipk:4A ,PFM | SOT23-6 | SY8089,SY8009,ETA3409B, FP6378A,SY3420 |
| MT3420SP | 高效同步降压 | 2.3~6 | 2A | 1.5MHz | 0.6 V | 0.1/0.09 | 40 | IntSS:0.4mS, Ipk:4A,PFM | SOP-8 | SY8083 |
| MT3430 | 高效同步降压 | 2.3~6 | 3 A | 1.5MHz | 0.6 V | 0.09/0.08 | 40 | IntSS:0.4mS, Ipk:4A,PFM | ESOP-8 | SY8083 |
| MT2499A | 高效同步降压 | 4.5~21 | 3.5 A | 340KHz | 0.925 V | 0.075/0.055 | 400 | IntSS:1mS, Ipk:5.8A,PFM, OVP:22V | ESOP8 | MP1484,FR9888/9,RT8250,AME52 68,uP1707P,EU3484, IT7663,STI3484 |
| MT1470 | 高效同步降压 | 4.5~18 | 2A | 500KHz | 0.8 V | 0.09/0.07 | 600 | IntSS:2mS,Ipk:4. 5A, PFM | SOT23-6 | MP1470,ZTP7192T,RT6212A/B,FR 8204,FR9883,STI3472,TMI3252 |
| MT1471 | 高效同步降压 | 4.5~16 | 3A | 500KHz | 0.8 V | 0.09/0.07 | 600 | IntSS:1mS, Ipk:4.5A ,PFM | SOT23-6 | MP1471/A,RT6214A/B, FR8206 |
| MT2492 | 高效同步降压 | 4.5~16 | 2A | 600KHz | 0.6 V | 0.09/0.07 | 400 | Int SS:4mS, Ipk:3A,PFM,UVL O: 3.6V,OVP:19V | SOT23-6 | SY8120B,FR9885,FR9881, ZTP7192Y,RT7294C,IT7632, BL8030,STI3470B,RY3820E TX9417(18V) |
| MT2496 | 高效同步降压 | 4.5~16 | 3A | 500KHz | 0.6 V | 0.08/0.06 | 400 | IntSS:4mS, Ipk:5A,PFM | SOT23-6 | SY8113B,RT7295C,FR8205, STI3471，SY8113，SY8112，ZTP7193Y |
| MT1470T | 高效同步降压 | 4.5~18 | 2A | 500KHz | 0.768 V | 0.09/0.07 | 600 | IntSS:2mS, Ipk:4.5A, PFM | SOT23-6 | TPS562200,TPS562201,ZTP7192kT |
| MT1471T | 高效同步降压 | 4.5~16 | 3A | 500KHz | 0.768V | 0.09/0.07 | 600 | IntSS:2mS,Ipk:4. 5A,PFM | SOT23-6 | TPS563200,TPS563201 |
| MT2445AD | 高效异步降压 | 5~40 | 0.8A | 600KHz | 0.8V | 0.4/0.25 | IntSS:2mS,Ipk:4. 5A,PFM | SOT23-6 | MP2451DT | |
| MT2628 | 高效同步降压 | 4.5~16 | 2A | 720KHz | 0.8 | 110/60 | 350 | COT,Int SS:1.2mS | SOT563-6 | MP1652,CD1052,MP1657 |
| MT2638 | 高效同步降压 | 4.5~16 | 3A | 720KHz | 0.8 | 110/60 | 350 | COT, Int SS:1.2mS | SOT563-6 | MP1653,CD1053,MP1658 |
| MT2661CF | 高效同步降压 | 5~100 | 1A | 1Mhz | 2 | 300/150 | 1300 | COT,DCM/CCM | TSSOP-14 | LM5161 |
| 负载开关 Load Switch | ||||||||
| PartNumber | Function | Vin | Iout | Current Limit | Reverse Blocking Current | Rds | Package | Cross reference |
| MT9700 | 负载开关 | 2.4~5.5V | ADJ | ADJ | YES | 80mΩ | SOT23-5 | SY6280A，SY6280.TCS9107 |
| 电源管理单元 Power Management IC | ||||||||
| PartNumber | Function | Vin | Iout | FSW | HSFET Ron(Ω) | LSFET Ron(Ω) | Package | Cross reference |
| A4001 | 4 ch buck | 2.7~5.5 | 2A/2A/2A/2 A | 1.5MHz | 0.1 | 0.09 | QFN4x4-24 | EA3059 |
| A4001C | 3 ch buck | 2.7~5.5 | 3A/2A/2A | 1.5MHz | 0.09/0.1 | 0.085/0.09 | QFN4x4-24 | EA3059C |
| A4002 | 3 ch buck+1ch LDO(I2C) | 2.7~5.5 | 3A/1.5A/2A/ 0.3A(LD0) | 1.5MHz | 0.1/0.13 | 0.07/0.1 | QFN4x4-24 | EA3056 |
| A4003 | 3 ch buck | 2.7~5.5 | 2A/2A/2A | 1.5MHz | 0.1 | 0.09 | QFN3X3-20 | EA3036 |
| A4003C | 3 ch buck | 2.7~5.5 | 1A/1A/1A | 1.5MHz | 0.12 | 0.11 | QFN3X3-20 | EA3036C |
| A4004AS | 3 ch buck | 4.5~16,2.6~7 | 3A/1A/1A | 0.5MHz/1.5MHz | 0.08/0.3 | 0.06/0.3 | QFN4x4-16 | |
| A4005 | 3 ch buck | 4~18V,2.7~5.5 | 2A/1A/1A | 0.5MHz/1.5MHz | 0.09/0.12 | 0.07/0.11 | QFN4x4-20L | |
| A4006AF | 1ch buck+1ch boost+charger | 5~36V,0.8~6 V | 0.45A/0.5A | 0.75Mhz/1Mhz | 0.81 | 0.5/0.11 | ESOP8 | ETA9073 |
| A4007AF | 2ch buck+1ch boost+charger | 5~36V,0.8~6 V | 0.45A/0.5A/ 0.5A | 0.75Mhz/1.2Mhz/1Mhz | 0.81 | 0.5/0.11 | QFN4x4-20 | |
| A4008AS | 3 ch buck | 2~7 | 1.3A/1.3A/ 1.3A | 1.5MHz | 0.3 | 0.3 | QFN3X3-16 | Low IQ:6uA |
| 锂电池充电 Lithium battery charger | ||||||||
| PartNumber | Function | Vin | Vbat/V | Isd | Itrikl | Vtrikl | Vprog | Package |
| MT4055 | Single lithium battery charger | 4.25-7 | 3.7/3.2/2.4 | 1uA | 50mA | 3/2.64/2 | 1V | SOT23-5 |
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