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TPS22946 Datasheet PDF - Texas Instruments

Part NameDescriptionManufacturer
TPS22946 Ultralow Power, Low Input Voltage, Current-Limited Load Switch With Shutoff, Auto-Restart, and Overcurrent Condition Time-Out Texas-Instruments
Texas Instruments Texas-Instruments
Other PDF  no available.
TPS22946 Datasheet PDF : TPS22946 pdf   
TPS22946 image

Description
The TPS22946 is an ultralow power load switch that provides protection to systems and loads in high current conditions. The device contains a 300-mΩ current-limited P-channel MOSFET that can operate over an input voltage range of 1.62 V to 5.5 V. The switch is controlled by an on/off input (ON), which can interface directly with low-voltage control signals. The TPS22946 includes thermal shutdown protection that prevents damage to the device when a continuous over-current condition causes excessive heating by turning off the switch.

Features
• Ultralow Quiescent Current 1 μA (Typical) at VIN = 1.8 V
• Input Voltage Range: 1.62 V to 5.5 V
• Low ON-Resistance
    – rON = 300 mΩ at VIN = 5.5 V
    – rON = 400 mΩ at VIN = 3.3 V
    – rON = 500 mΩ at VIN = 2.5 V
    – rON = 600 mΩ at VIN = 1.8 V
• Selectable Minimum Current Limit: 155 mA, 70 mA, or 30 mA
• Integrated Inrush Current Time-out (8 ms)
• Shutdown Current: < 1 μA
• Thermal Shutdown
• Fault Blanking
• Auto Restart
• Overcurrent Condition Time-out (Automatic Disable for Permanent Overcurrent)
• 1.8-V Compatible Control Input
• ESD Performance Tested Per JESD 22
    – 6000-V Human-Body Model (A114-B, Class II)
• Tiny DSGBA Package 1.4 mm × 0.9 mm (YZP)

Applications
• Fingerprint Module Protection
• Portable Consumer Electronics
• Mobile Phones
• Smartphones
• Notebooks
• GPS Devices

 

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