UC3914 5-35V 单路热插拔 IC 商用温度范围
UC3914 描述
The UC3914 family of hot swap power managers provides complete power management, hot swap and fault handling capability. Integrating this part and a few external components, allows a board to be swapped in or out upon failure or system modification without removing power to the hardware, while maintaining the integrity of the powered system. Complementary output drivers and diodes have been integrated for use with external capacitors as a charge pump to ensure sufficient gate drive to the external N-channel MOSFET transistor for low RDS(on). All control and housekeeping functions are integrated and externally programmable and include the fault current level, maximum output sourcing current, maximum fault time and average power limiting of the external FET.
|
UC2914 |
UC3914 |
| No. of Outputs |
1 |
1 |
| Vin(Min)(V) |
5 |
5 |
| Vin(Max)(V) |
35 |
35 |
| Pin/Package |
18PDIP, 18SOIC |
18SOIC, 18PDIP |
| Operation |
Auto-Retry |
Auto-Retry |
| Approx. Price (US$) |
5.15 | 1ku |
4.30 | 1ku |
UC3914 特性
- 5V to 35V Operation
- Precision Maximum Current Control
- Precision Fault Threshold
- Programmable Average Power Limiting
- Programmable Overcurrent Limit
- Shutdown Control
- Charge Pump for Low RDS(on) High-Side Drive
- Latch Reset Function Available
- Output Drive VGS Clamping
- Fault Output Indication
- 18 Pin DIL and SOIC Packages
UC3914 芯片订购指南
| 器件 |
状态 |
温度 (oC) |
价格（美元） | Quantity |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| UC3914DW |
ACTIVE |
0 to 70 |
5.15 | 1ku |
SOIC (DW) | 18 |
40 | TUBE |
UC3914DW |
| UC3914DWG4 |
ACTIVE |
0 to 70 |
5.15 | 1ku |
SOIC (DW) | 18 |
40 | TUBE |
UC3914DW |
| UC3914DWTR |
ACTIVE |
0 to 70 |
4.30 | 1ku |
SOIC (DW) | 18 |
2000 | LARGE T&R |
UC3914DW |
| UC3914DWTRG4 |
ACTIVE |
0 to 70 |
4.30 | 1ku |
SOIC (DW) | 18 |
2000 | LARGE T&R |
UC3914DW |
| UC3914N |
ACTIVE |
0 to 70 |
4.30 | 1ku |
PDIP (N) | 18 |
20 | TUBE |
UC3914N |
| UC3914NG4 |
ACTIVE |
0 to 70 |
4.30 | 1ku |
PDIP (N) | 18 |
20 | TUBE |
UC3914N |
UC3914 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| UC3914DW |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
UC3914DW |
UC3914DW |
| UC3914DWG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
UC3914DWG4 |
UC3914DWG4 |
| UC3914DWTR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
UC3914DWTR |
UC3914DWTR |
| UC3914DWTRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
UC3914DWTRG4 |
UC3914DWTRG4 |
| UC3914N |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
N/A for Pkg Type |
UC3914N |
UC3914N |
| UC3914NG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
N/A for Pkg Type |
UC3914NG4 |
UC3914NG4 |
UC3914 应用技术支持与电子电路设计开发资源下载
- UC3914 数据资料 dataSheet 下载.PDF
- TI 德州仪器热插拔控制器（外部 FET）产品选型与价格 . xls
- PowerPADTM Thermally Enhanced Package
(PDF 1040 KB)
- 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)
(PDF 2206 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- Comparing Performance of Current Ramp and Voltage Ramp Hot Swap Controller ICs
(PDF 356 KB)
- DN-103 Controlling a -5V Rail Using UC3914 +3V to +8V Hot-Swap Power Manager
(PDF 37 KB)
- PowerPADTM Made Easy (PDF 57 KB)
- 标准线性产品交叉参考 (Rev. D)
(PDF 1058 KB)
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
UC3914 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| 免费工具：UC3914 设计计算器 |
UC3914CALC |
Texas Instruments |
开发电路板/EVM |
UC3914 参考设计
| 说明 |
型号 |
公司 |
| 反向时，输入电压在 36V 至 72V 之间，而输出电压为 +/- 135V |
PMP069 |
Texas Instruments |
| 热插拔、推挽、同步 降压、负反向、双路同步 降压参考设计 |
PMP156 |
Texas Instruments |