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TPS22941 - 产品图解:
TPS22941-5.5V,0.08A,400mΩ,40mA 限流低电平有效负载开关
TPS22941-电压与电流限制保护-集成负载开关-电源管理
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TI产品 - TPS22941介绍
TPS22941 - 5.5V,0.08A,400mΩ,40mA 限流低电平有效负载开关

TPS22941是TI公司的一款电压与电流限制保护产品,TPS22941是5.5V,0.08A,400mΩ,40mA 限流低电平有效负载开关,本页介绍了TPS22941的产品说明、应用、特性等,并给出了与TPS22941相关的TI元器件型号供参考。

TPS22941 - 5.5V,0.08A,400mΩ,40mA 限流低电平有效负载开关 - 电压与电流限制保护 - 集成负载开关 - TI公司(Texas Instruments,德州仪器)

产品特性
  • Input Voltage Range: 1.62 V to 5.5 V
  • Low ON resistance
    • rON = 0.4 Ω at VIN = 5.5 V
    • rON = 0.5 Ω at VIN = 3.3 V
    • rON = 0.6 Ω at VIN = 2.5 V
    • rON = 0.8 Ω at VIN = 1.8 V
  • Minimum Current Limit: 40mA or 100 mA
  • Undervoltage Lockout (UVLO)
  • Thermal Shutdown
  • Shutdown Current < 1 μA
  • Fast Current Limit Response Time
  • Fault Blanking
  • Auto Restart
  • 1.8-V Compatible Control Input Thresholds
  • ESD Performance Tested Per JESD 22
    • 4000-V Human-Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Tiny SC-70 (DCK) Package
  • UL Recognized Component (UL File 169910)
  • Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC, Test Program 2 with CB Report
产品应用
  • Low-Current Sensor Protection
  • HDMI Connector Protection
  • Notebooks
  • PDAs
  • GPS Devices
  • MP3 Players
  • Peripheral Ports
产品说明

The TPS22941/2/3/4/5 load switches provide protection to systems and loads in high-current conditions. The devices contain a 0.4-Ω current-limited P-channel MOSFET that can operate over an input voltage range of 1.62 V to 5.5 V. Current is prevented from flowing when the MOSFET is off. The switch is controlled by an on/off input (ON), which is capable of interfacing directly with low-voltage control signals. The TPS22941/2/3/4/5 includes thermal shutdown protection that prevents damage to the device when a continuous over-current condition causes excessive heating by turning off the switch.

These devices provide an integrated, robust solution to provide current limiting the output current to a safe level by switching into a constant-current mode when the ouptut load exceeds the current-limit threshold. The OC logic output asserts low during overcurrent, undervoltage, or overtemperature conditions. These additional features make the TPS22941/2/3/4/5 an ideal solution for applications where current limiting is necessary.

This family of devices are available in a SC70-5 (DCK) package. It is characterized for operation over the free-air temperature range of –40°C to 85°C.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS22941 SC70 (5)2.00mm × 2.10 mm
TPS22942
TPS22943
TPS22944
TPS22945
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