1、选型表:
TVS | PNR | VRWM(V) | IPP(A) | VCtyp(V) | CJtyp(pF) | Package | DataSheet |
OVE10E32F1M | 4.3 | 40 | 10 | 90 | DFN1006 | OVE10E32F1M |
OVE2932R1 | 3.3 | 10 | 7.2 | 20 | DFN1006 | OVE2932R1 |
OVE2632A1 | 5 | 6.5 | 8.5 | 18 | DFN1006 | OVE2632A1 |
LDO | PNR | Vin(V) | Vout(V) | Iout(mA) | Ignd(uA) | PSRR(db)@1KHz | Package | DataSheet |
OV1154 Series | 2-6 | 1.2-3.6 | 500 | 0.8 | 70 | SOT23-3 SOT23-5 SOT89-3 DFN1x1 | OV1154 Series |
OV1151 Series | 1.9-15 | 1.8-5 | 500 | 1 | 80 | SOT23-3 SOT23-5 SOT89-3 SOT89-5 | OV1151 Series |
SBD | PNR | VR(V) | IF(A) | VF@IF(V) | IR@VR(mA) | Package | DataSheet |
OVB320A Series | 20-200 | 3 | 0.55-0.95 | 0.05-50 | SMA | OVB320A Series |
OVB32TL32AGA | 30 | 0.2 | 0.50 | 0.5 | DFN1006 | OVB32TL32AGA |
MOS | PNR | Type | VDS (V) | VGS(±V) | ID(A) | Vgs(th)/V | Rdson @4.5V(Ω) | Package | DataSheet |
OVM6013ET3 | N | 60 | 20 | 0.2 | 2.5 | 4 | SOT-323 | OVM6013ET3 |
OVM30N31T | N | 30 | 12 | 5.6 | 1.5 | 0.031 | SOT-23 | OVM30N31T |
Zener | PNR | VZ(V)min | VZ(V)max | PD(mW) | IZT(mA) | IR(uA) | Package | DataSheet |
OVZP020VxxxD3 Series | 1.8-70 | 2.15-79 | 200 | 2/5 | 0.1-100 | SOD323 | OVZP020VxxxD3 Series |
OVZP0152V0D5 Series | 1.85-48 | 2.15-54 | 150 | 2/5 | 0.1-100 | SOD523 | OVZP0152V0D5 Series |
2、应用环境:
设备便携、由电池供电、有多接口、高低压混合、频繁插拔、电磁环境复杂均需要抗干扰;
3、应用方式:
充电端使用稳压管和二极管防止充电部分的高压输入与正负极反接;
MOS管作为开关,无检测信号时降低功耗;
ESD、TVS防止静电干扰信号;
4、电路图
