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TPS22918

Single Channel Load Switch

The TPS22918 is a single channel load switch from Texas Instruments. View the full TPS22918 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Manufacturer

Texas Instruments

Category

Single Channel Load Switch

Key Specifications

ParameterValue
PackagingMouseReel
PackagingMouseReel
Standard Pack Qty3000
Standard Pack Qty3000

Overview

Part: TPS22918 — Texas Instruments

Type: Single Channel Load Switch

Description: The TPS22918 is a 5.5-V, 2-A load switch with a typical on-resistance of 52 mΩ at 5 V, configurable rise time, and configurable quick output discharge, operating over an input voltage range of 1 V to 5.5 V.

Operating Conditions:

  • Supply voltage: 0–5.5 V
  • Operating temperature: -40 to +105 °C
  • ON voltage: 0–5.5 V

Absolute Maximum Ratings:

  • Max supply voltage: 6 V
  • Max continuous current: 2 A (ambient temperature = 70°C)
  • Max junction/storage temperature: 125 °C (junction), 150 °C (storage)

Key Specs:

  • Input voltage range: 1 V to 5.5 V
  • On-Resistance (RON): 52 mΩ (typical) at VIN = 5 V, IOUT = -200 mA, TA = 25°C
  • On-Resistance (RON): 53 mΩ (typical) at VIN = 3.3 V, IOUT = -200 mA, TA = 25°C
  • Quiescent current (IQ, VIN): 8.3 μA (typical) at VIN = 3.3 V, TA = 25°C
  • Shutdown current (ISD, VIN): 0.5 μA (typical) at VIN = 5.5 V, TA = 25°C
  • ON pin hysteresis (VHYS): 107 mV (typical) at VIN = 1 V to 5.5 V, TA = 25°C
  • Output pull down resistance (RPD): 25 Ω (typical) at VIN = 3.3 V, VON = 0 V, TA = 25°C
  • Turn-on time (tON): 1950 μs (typical) at VIN = 5 V, RL = 10 Ω, CL = 0.1 μF, CT = 1000 pF, TA = 25°C
  • VOUT rise time (tR): 2540 μs (typical) at VIN = 5 V, RL = 10 Ω, CL = 0.1 μF, CT = 1000 pF, TA = 25°C

Features:

  • Integrated Single Channel Load Switch
  • Low Quiescent Current
  • Low-Control Input-Threshold Enables Use of 1 V or Higher GPIO
  • Adjustable Quick-Output Discharge (QOD)
  • Configurable Rise Time With CT Pin
  • ESD Performance Tested per JESD 22 (±2-kV HBM and ±1-kV CDM)

Applications:

  • Industrial Systems
  • Set Top Box
  • Blood Glucose Meters
  • Electronic Point of Sale

Package:

  • SOT-23-6 (DBV)

Features

  • 1 · Integrated Single Channel Load Switch
  • Ambient Operating Temperature: -40°C to +105°C
  • Input Voltage Range: 1 V to 5.5 V
  • On-Resistance (RON)
  • -RON = 52 m Ω (typical) at V IN = 5 V
  • -RON = 53 m Ω (typical) at V IN = 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
  • Adjustable Quick-Output Discharge (QOD)
  • Configurable Rise Time With CT Pin
  • Small SOT23-6 Package (DBV)
  • -2.90-mm × 2.80-mm, 0.95-mm Pitch, 1.45 mm Height (with leads)
  • ESD Performance Tested per JESD 22
  • -±2-kV HBM and ±1-kV CDM

Applications

  • Industrial Systems
  • Set Top Box
  • Blood Glucose Meters
  • Electronic Point of Sale

Pin Configuration

Electrical Characteristics

Unless otherwise noted, the specification in the following table applies over the full ambient operating temperature -40°C ≤ TA ≤ +105°C. Typical values are for TA = 25°C.

PARAMETERTEST CONDITIONSTEST CONDITIONSMIN TYPMAXUNIT
V IN = 5.5 V
V IN = 5 V
T A9.2
8.7
16
16
I Q, VINQuiescent currentV = 5 V, I = 0 AV IN = 3.3 V+105°C8.315μA
ON OUTV IN = 1.8 V
V IN = 1.2 V
V IN = 1 V
V IN = 5.5 V
V IN = 5 V
V IN = 3.3 V
-40°C to10.2
9.3
8.9
0.5
0.5
0.5
17
16
15
5
4.5
3.5
I SD, VINShutdown currentV ON = 0 V, V OUT = 0 VV IN = 1.8 V
V IN = 1.2 V
V IN = 1 V
-40°C to +105°C0.5
0.4
0.4
2.5
2
2
μA
I ONON pin input leakage currentV IN = 5.5 V, I OUT = 0 AV IN = 5.5 V, I OUT = 0 A-40°C to +105°C
25°C
510.1
59
μA
V IN = 5.5 V, I OUT = -200 mAV IN = 5.5 V, I OUT = -200 mA-40°C to +85°C
-40°C to +105°C
25°C
5271
78
59
m Ω
V IN = 5.0 V, I OUT = -200 mAV IN = 5.0 V, I OUT = -200 mA-40°C to +85°C
-40°C to +105°C
25°C
5271
79
59
m Ω
V = 4.2 V, I = -200 mAV = 4.2 V, I = -200 mA-40°C to +85°C71m Ω
IN OUTIN OUT-40°C to +105°C79
59
25°C -40°C to +85°C5371m Ω
V IN = 3.3 V, I OUT = -200 mAV IN = 3.3 V, I OUT = -200 mA-40°C to +105°C80
R ONOn-Resistance25°C5361m Ω
V IN = 2.5 V, I OUT = -200 mAV IN = 2.5 V, I OUT = -200 mA-40°C to +85°C
-40°C to +105°C
25°C
5575
80
65
V IN = 1.8 V, I OUT = -200 mAV IN = 1.8 V, I OUT = -200 mA-40°C to +85°C
-40°C to +105°C
79
88
m Ω
25°C6477m Ω
V IN = 1.2 V, I OUT = -200 mAV IN = 1.2 V, I OUT = -200 mA-40°C to +85°C
-40°C to +105°C
25°C
7188
104
85
V IN = 1.0 V, I OUT = -200 mAV IN = 1.0 V, I OUT = -200 mA-40°C to +85°C
-40°C to +105°C
100
116
m Ω
V HYSON pin hysteresisV IN = 1 V to 5.5 VV IN = 1 V to 5.5 V-40°C to +105°C
25°C
107
24
mV
V IN = 5.0 V, V ON = 0 VV IN = 5.0 V, V ON = 0 V-40°C to +105°C30
ROutput pull down25°CΩ
PDresistance (1)V IN = 3.3 V, V ON = 0 VV IN = 3.3 V, V ON = 0 V-40°C to +105°C
25°C
25
45
35
V IN = 1.8 V, V ON = 0 VV IN = 1.8 V, V ON = 0 V-40°C to +105°C60

Absolute Maximum Ratings

Over operating free-air temperature range (unless otherwise noted) (1) (2)

MINMAXUNIT
V INInput voltage-0.36V
V OUTOutput voltage-0.36V
V ONON voltage-0.36V
I MAXMaximum continuous switch current, ambient temperature = 70°C2A
I PLSMaximum pulsed switch current, pulse < 300 μs, 2% duty cycle2.5A
T JMaximum junction temperature125°C
T stgStorage temperature-65150°C

Recommended Operating Conditions

Over operating free-air temperature range (unless otherwise noted)

MINMAXUNIT
V INInput voltageInput voltage05.5V
V ONON voltageON voltage05.5V
V OUTOutput voltageOutput voltageV INV
V IH, ONHigh-level input voltage, ONV IN = 1 V to 5.5 V15.5V
V IL, ONLow-level input voltage, ONV IN = 1 V to 5.5 V00.5V
T AOperating free-air temperature (1)Operating free-air temperature (1)-40105°C
C INInput CapacitorInput Capacitor1 (2)μF

Thermal Information

THERMAL METRIC (1)THERMAL METRIC (1)TPS22918 DBV (SOT-23) 6 PINSUNIT
R θ JAJunction-to-ambient thermal resistance183.2°C/W
R θ JC(top)Junction-to-case (top) thermal resistance151.6°C/W
R θ JBJunction-to-board thermal resistance34.1°C/W
ψ JTJunction-to-top characterization parameter37.2°C/W
ψ JBJunction-to-board characterization parameter33.6°C/W

Typical Application

This section highlights some of the design considerations when implementing this device in various applications. A PSPICE model for this device is also available in the product page of this device on www.ti.com (See the Device Support section for more information).

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
TPS22918-Q1Texas Instruments
TPS22918DBVRTexas InstrumentsSOT-23-6
TPS22918DBVTTexas Instruments
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