TPS2551-Q1 可调节的具有电流限制的配电开关

TPS2551-Q1 描述

The TPS2551 power-distribution switch is intended for applications in which heavy capacitive loads and short circuits are likely to be encountered, incorporating a 100-m, N-channel MOSFET in a single package. The current-limit threshold is user adjustable between 100 mA and 1.1 A via an external resistor. The power-switch rise and fall times are controlled to minimize current surges during switching. The device limits the output current to a desired level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present. An internal reverse-voltage detection comparator disables the power-switch in the event that the output voltage is driven higher than the input to protect devices on the input side of the switch

	TPS2551-Q1
Vin(Min)(V)	2.5
Vin(Max)(V)	6.5
Current Limit(A)	0.1 to 1.1
Current Limit Accuracy @ 1A	+/-30% (700mA min / 1300mA max)
rDS(on) per FET(Typ)(mOhms)	100/DRV, 85/DBV
Pin/Package	6SOT-23
Operating Temperature Range(°C)	-40 to 125
Continuous Current(Max)(A)	1.1
Number of Switches	1
Enable	Active High
Rating	Automotive
Current Limit Topology	Constant-Current

TPS2551-Q1 特性

• Qualified for Automotive Applications
• Adjustable Current-Limit: 100 mA to 1100 mA
• Fast Overcurrent Response: 2 us (Typ)
• 85-mOhm High-Side MOSFET
• Reverse Input-Output Voltage Protection
• Operating Range: 2.5 V to 6.5 V
• Deglitched Fault Report
• 1-uA Maximum Standby Supply Current
• Junction Temperature Range: –40°C to 125°C
• Built-in Soft-Start
• 15-kV ESD Protection (With External Capacitance)
• APPLICATIONS
  • USB Ports/Hubs
  • Cell Phones
  • Laptops
  • Heavy Capacitive Loads
  • Reverse-Voltage Protection

TPS2551-Q1 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
TPS2551QDBVRQ1	ACTIVE	-40 to 125	1.15 | 1ku	SOT-23 (DBV) | 6	3000	PIUQ

TPS2551-Q1 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
TPS2551QDBVRQ1	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS2551QDBVRQ1	TPS2551QDBVRQ1

TPS2551-Q1 应用技术支持与电子电路设计开发资源下载

1. TPS2551-Q1 数据资料 dataSheet 下载.PDF
2. TI 德州仪器USB 电源开关产品选型与价格 . xls
3. PowerPADTM Thermally Enhanced Package (PDF 1040 KB)
4. 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A) (PDF 2206 KB)
5. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
6. Comparing Performance of Current Ramp and Voltage Ramp Hot Swap Controller ICs (PDF 356 KB)
7. PowerPADTM Made Easy (PDF 57 KB)
8. 标准线性产品交叉参考 (Rev. D) (PDF 1058 KB)
9. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
10. 所选封装材料的热学和电学性质 (PDF 645 KB)
11. 高速数据转换 (PDF 1967 KB)