TPS2420 具有负载电流监控功能的 3-20V 集成 FET 0-5A 双故障阀值热插拔
TPS2420 描述
The TPS2420 provides highly integrated load protection for 3-V to 20-V applications. The TPS2420 protects loads, minimizes inrush current, and safely shuts down in the event of a fault. The programmable fault current threshold starts the fault timer while allowing the current to pass to the load uninhibited. The programmable current limit threshold sets the maximum current allowed into the load, for both inrush and severe load faults. Both events use the programmable timer which inhibits all current to the load when it expires.
The dual protection thresholds are useful in applications such as disk drives. The start-up and seek currents are typically higher than the nominal current and during this time the load needs a low impedance path to deliver the power
|
TPS2420 |
TPS2421-1 |
TPS2421-2 |
| Fault Current Range (IFLT)(A) |
0 - 5 |
0 - 5 |
0 - 5 |
| Vin(Min)(V) |
3 |
3 |
3 |
| Vin(Max)(V) |
20 |
20 |
20 |
| Rds(ON) FET(Typ)(mOhms) |
20 |
20 |
20 |
| Fault Pin |
Yes |
Yes |
Yes |
| Power Good Pin |
Yes |
Yes |
Yes |
| Latch off |
Yes |
Yes |
No |
| Retry |
Yes |
No |
Yes |
| Current Monitor |
Yes |
N/A |
N/A |
| Pin/Package |
16QFN |
8SO PowerPAD |
8SO PowerPAD |
| Operating Temperature Range(°C) |
-40 to 125 |
-40 to 125 |
-40 to 125 |
| Approx. Price (US$) |
1.95 | 1ku |
1.60 | 1ku |
1.60 | 1ku |
TPS2420 特性
- Integrated Pass MOSFET
- 3.3-V to 20-V Bus Operation
- Programmable Fault Current
- Current Limit Proportionally Larger than Fault Current
- Programmable Fault Timer
- Internal MOSFET Power Limiting
- Latch-Off on Fault (–1) and Retry (–2) Versions
- SO-8 PowerPad Package
- –40°C to 125°C Junction Temperature Range
- UL Listed - File Number E169910
- APPLICATIONS
- RAID Arrays
- Telecommunications
- Plug-In Circuit Boards
- Disk Drive
TPS2420 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 |
| TPS2420RSAR |
ACTIVE |
-40 to 125 |
1.95 | 1ku |
QFN (RSA) | 16 |
3000 | LARGE T&R |
TPS
2420 |
| TPS2420RSAT |
ACTIVE |
-40 to 125 |
2.20 | 1ku |
QFN (RSA) | 16 |
250 | SMALL T&R |
TPS
2420 |
TPS2420 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 |
| TPS2420RSAR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
TPS2420RSAR |
TPS2420RSAR |
| TPS2420RSAT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
TPS2420RSAT |
TPS2420RSAT |
TPS2420 应用技术支持与电子电路设计开发资源下载
- TPS2420 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
- PowerPAD™ 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 TPS2420 +3V to +8V Hot-Swap Power Manager
(PDF 37 KB)
- PowerPAD™ 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)
TPS2420 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| TPS2420 热插拔控制器评估模块 |
TPS2420EVM-01 |
Texas Instruments |
开发电路板/EVM |
