TPS22918
Single Channel Load SwitchThe TPS22918 is a single channel load switch from Texas Instruments. View the full TPS22918 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official TPS22918 datasheet (PDF) — the source this page was extracted from.
TPS22918 Key Specifications
| Parameter | Value |
|---|---|
| Packaging | MouseReel |
| Standard Pack Qty | 3000 |
| ESD Rating | ±2 kV HBM, ±1 kV CDM |
| Package Dimensions | 2.90 mm × 2.80 mm, 0.95 mm pitch, 1.45 mm height |
| Input Voltage Range | 1 V to 5.5 V |
| Operating Temperature | -40°C to +105°C |
| On-Resistance (Typical) | 52 mΩ at VIN = 5 V; 53 mΩ at VIN = 3.3 V |
| Shutdown Current (Typical) | 0.5 μA at VIN = 3.3 V to 5.5 V |
| Quiescent Current (Typical) | 8.3 μA at VIN = 3.3 V |
| Maximum Junction Temperature | 125°C |
| Maximum Pulsed Switch Current | 2.5 A |
| ON Pin Low-Level Input Voltage | 0 V to 0.5 V |
| ON Pin High-Level Input Voltage | 1 V to 5.5 V |
| Maximum Continuous Switch Current | 2 A |
| Thermal Resistance Junction-To-Ambient | 183.2 °C/W |
TPS22918 Overview
Part: TPS22918DBVR — Texas Instruments
Type: Single-Channel Load Switch (N-channel MOSFET)
Description: 1–5.5 V input, 2 A continuous, 52 mΩ (typ, VIN = 5 V) single-channel load switch with configurable rise time and adjustable quick output discharge in a SOT-23-6 package.
Operating Conditions:
- Supply voltage (VIN): 1–5.5 V (recommended operating table lists 0–5.5 V)
- Operating temperature: -40 to +105 °C (ambient)
- ON pin: VIH ≥ 1 V, VIL ≤ 0.5 V (VIN = 1–5.5 V)
- Minimum input capacitor: 1 μF
Absolute Maximum Ratings:
- Input voltage VIN: -0.3 to 6 V
- Output voltage VOUT: -0.3 to 6 V
- ON voltage: -0.3 to 6 V
- Max continuous switch current: 2 A (TA = 70 °C)
- Max pulsed switch current: 2.5 A (pulse < 300 μs, 2% duty cycle)
- Max junction temperature: 125 °C
- Storage temperature: -65 to 150 °C
Key Specs:
- On-resistance RON (IOUT = -200 mA, 25 °C): 52 mΩ typ at 5 V, 53 mΩ typ at 3.3 V, 64 mΩ typ at 1.8 V, 71 mΩ typ at 1.2 V
- RON max over -40 to +105 °C: 79 mΩ at VIN = 5 V, 80 mΩ at 3.3 V
- Quiescent current (VON = 5 V, IOUT = 0 A): 8.3 μA typ, 15 μA max at VIN = 3.3 V (-40 to +105 °C)
- Shutdown current (VON = 0 V): 0.5 μA typ at VIN = 3.3 V; 3.5 μA max
- Internal output pull-down RPD (VON = 0 V, 25 °C): 25 Ω typ at 5 V and 3.3 V; 45 Ω typ at 1.8 V
- ON pin hysteresis: 24 mV typ (25 °C, VIN = 1–5.5 V)
- Switching (VIN = 5 V, CT = 1000 pF, CL = 0.1 μF, RL = 10 Ω, 25 °C): tON 1950 μs, tR 2540 μs, tD 690 μs typ
- Thermal resistance RθJA: 183.2 °C/W (DBV SOT-23-6)
Features:
- Integrated single-channel load switch
- 2 A maximum continuous switch current
- Low control input threshold; works with 1 V or higher GPIO
- Adjustable quick output discharge (QOD)
- Configurable rise time via CT pin
- ESD: ±2 kV HBM, ±1 kV CDM (JESD 22)
- Leaded package allows visual inspection of solder joints
Applications:
- Industrial systems
- Set top box
- Blood glucose meters
- Electronic point of sale
Package:
- SOT-23-6 (DBV), 2.90 mm × 1.60 mm body (nom), 0.95 mm pitch
TPS22918 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
TPS22918 Applications
- Industrial Systems
- Set Top Box
- Blood Glucose Meters
- Electronic Point of Sale
TPS22918 Pin Configuration
TPS22918 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.
| PARAMETER | TEST CONDITIONS | TEST CONDITIONS | MIN TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| V IN = 5.5 V V IN = 5 V | T A | 9.2 8.7 | 16 16 | ||||
| I Q, VIN | Quiescent current | V = 5 V, I = 0 A | V IN = 3.3 V | -40°C to +105°C | 8.3 | 15 | μA |
| ON OUT | V 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 | 10.2 9.3 8.9 0.5 0.5 0.5 | 17 16 15 5 4.5 3.5 | ||||
| I SD, VIN | Shutdown current | V ON = 0 V, V OUT = 0 V | V IN = 1.8 V V IN = 1.2 V V IN = 1 V | -40°C to +105°C | 0.5 0.4 0.4 | 2.5 2 2 | μA |
| I ON | ON pin input leakage current | V IN = 5.5 V, I OUT = 0 A | V IN = 5.5 V, I OUT = 0 A | -40°C to +105°C | 51 | 0.1 59 | μA |
| V IN = 5.5 V, I OUT = -200 mA | V IN = 5.5 V, I OUT = -200 mA | 25°C -40°C to +85°C -40°C to +105°C 25°C | 52 | 71 78 59 | m Ω | ||
| V IN = 5.0 V, I OUT = -200 mA | V IN = 5.0 V, I OUT = -200 mA | -40°C to +85°C -40°C to +105°C 25°C | 52 | 71 79 59 | m Ω | ||
| V = 4.2 V, I = -200 mA | V = 4.2 V, I = -200 mA | -40°C to +85°C | 71 | m Ω | |||
| IN OUT | IN OUT | +105°C -40°C to | 79 | ||||
| 25°C -40°C to +85°C | 53 | 59 71 | m Ω | ||||
| V IN = 3.3 V, I OUT = -200 mA | V IN = 3.3 V, I OUT = -200 mA | -40°C to +105°C | 80 | ||||
| R ON | On-Resistance | 25°C | 53 | 61 | |||
| V IN = 2.5 V, I OUT = -200 mA | V IN = 2.5 V, I OUT = -200 mA | -40°C to +85°C -40°C to +105°C 25°C | 55 | 75 80 65 | m Ω | ||
| V IN = 1.8 V, I OUT = -200 mA | V IN = 1.8 V, I OUT = -200 mA | -40°C to +85°C -40°C to +105°C | 79 88 | m Ω | |||
| 25°C | 64 | 77 | m Ω | ||||
| V IN = 1.2 V, I OUT = -200 mA | V IN = 1.2 V, I OUT = -200 mA | -40°C to +85°C -40°C to +105°C 25°C | 71 | 88 104 85 | |||
| V IN = 1.0 V, I OUT = -200 mA | V IN = 1.0 V, I OUT = -200 mA | -40°C to +85°C -40°C to +105°C | 100 116 | m Ω | |||
| V HYS | ON pin hysteresis | V IN = 1 V to 5.5 V | V 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 V | V IN = 5.0 V, V ON = 0 V | -40°C to +105°C | 30 | ||||
| R PD | Output pull down | 25°C | 25 | ||||
| resistance (1) | V IN = 3.3 V, V ON = 0 V | V IN = 3.3 V, V ON = 0 V | -40°C to +105°C | 35 | Ω | ||
| V = 1.8 V, V = 0 V | V = 1.8 V, V = 0 V | 25°C | 45 | ||||
| IN ON | IN ON | -40°C to +105°C | 60 |
TPS22918 Absolute Maximum Ratings
Over operating free-air temperature range (unless otherwise noted) (1) (2)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V IN | Input voltage | -0.3 | 6 | V |
| V OUT | Output voltage | -0.3 | 6 | V |
| V ON | ON voltage | -0.3 | 6 | V |
| I MAX | Maximum continuous switch current, ambient temperature = 70°C | 2 | A | |
| I PLS | Maximum pulsed switch current, pulse < 300 μs, 2% duty cycle | 2.5 | A | |
| T J | Maximum junction temperature | 125 | °C | |
| T stg | Storage temperature | -65 | 150 | °C |
TPS22918 Recommended Operating Conditions
Over operating free-air temperature range (unless otherwise noted)
| MIN | MAX | UNIT | |||
|---|---|---|---|---|---|
| V IN | Input voltage | Input voltage | 0 | 5.5 | V |
| V ON | ON voltage | ON voltage | 0 | 5.5 | V |
| V OUT | Output voltage | Output voltage | V IN | V | |
| V IH, ON | High-level input voltage, ON | V IN = 1 V to 5.5 V | 1 | 5.5 | V |
| V IL, ON | Low-level input voltage, ON | V IN = 1 V to 5.5 V | 0 | 0.5 | V |
| T A | Operating free-air temperature (1) | Operating free-air temperature (1) | -40 | 105 | °C |
| C IN | Input Capacitor | Input Capacitor | 1 (2) | μF |
TPS22918 Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | TPS22918 DBV (SOT-23) 6 PINS | UNIT |
|---|---|---|---|
| R θ JA | Junction-to-ambient thermal resistance | 183.2 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 151.6 | °C/W |
| R θ JB | Junction-to-board thermal resistance | 34.1 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 37.2 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 33.6 | °C/W |
TPS22918 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).
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TPS22918-Q1 | Texas Instruments | SOT-23-6 |
| TPS22918DBVR | Texas Instruments | SOT-23-6 |
| TPS22918DBVT | Texas Instruments | SOT-23-6 |
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All MOSFETs datasheetsAll Texas Instruments datasheets (2,442)
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