TPS22918TDBVTQ1

1 Features

• AEC-Q100 Qualified

• Integrated single-channel load switch

• Qualified for automotive applications:

– Device Temperature Grade 2: –40°C to

+105°C ambient operating temperature range

• Functional safety capable

– Documentation available to aid functional safety system design

• Input voltage range: 1 V to 5.5 V

• Low On-Resistance (RON)

– RON = 52 mΩ (typical) at VIN = 5 V

– RON = 53 mΩ (typical) at VIN = 3.3 V

• 2-A Maximum continuous switch current

• Low quiescent current

– 8.3 µA (typical) at VIN = 3.3 V

• Low-control input-threshold enables use of 1 V or higher GPIO

• Configurable Quick-Output Discharge (QOD)

• Configurable rise time with CT pin

• Small SOT23-6 package (DBV)

– 2.9 mm × 2.8 mm, 0.95-mm Pitch,

1.45-mm height (with leads)

• ESD Performance tested per AEC Q100

– ±2-kV HBM and ±750-V CDM

2 Applications

• Automotive electronics

• Infotainment

• Cluster

• ADAS (Advanced Driver Assistance Systems)

3 Description

The TPS22918-Q1 is a single-channel load switch with both configurable rise time and configurable quick-output discharge. The device contains an Nchannel MOSFET that can operate over an input voltage range of 1 V to 5.5 V and can support a maximum continuous current of

2 A. The switch is controlled by an on and off input, which is capable of interfacing directly with lowvoltage control signals.

The configurable rise time of the device reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The TPS22918-Q1 features a configurable quick output discharge (QOD) pin, which controls the fall time of the device to allow design flexibility for power down and sequencing. 

The TPS22918-Q1 is available in a small, leaded SOT-23 package (DBV) which allows to visually inspect solder joints. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.

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