TPS22811LRPWR

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TPS22811LRPWR

2.7-V TO 16-V, 10-A, 6-M LOAD SW

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
SwitchType General Purpose
NumberofOutputs 1
Ratio-Input:Output 1:1
OutputConfiguration High Side
OutputType N-Channel
Interface On/Off
Voltage-Load 2.7V ~ 16V
Voltage-Supply(Vcc/Vdd) Not Required
Current-Output(Max) 10A
RdsOn(Typ) 6mOhm
InputType Non-Inverting
Features Slew Rate Controlled
FaultProtection Current Limiting (Fixed), Over Temperature, Over Voltage, Short Circuit, UVLO
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
SupplierDevicePackage 10-VQFN-HR (2x2)

概述

Description

TPS22811LRPWR is TI’s high-side load switch in a small RoHS package. It powers downstream circuitry from a main supply, with built‑in protection and easy control.
Key points
- High-side switch with current limiting and reverse-current protection to prevent backfeeding.
- EN input to turn the switch on/off; enables controlled turn-on to limit inrush.
- Integrated protections: overcurrent/short-circuit protection and thermal shutdown; low quiescent current for long battery life.
- Typical voltage range up to ~28 V; suitable for battery, automotive, and consumer applications.
- Package variant LRPWR denotes a specific RoHS/lead‑free packaging option.
Applications
- Power management for microcontrollers, sensors, and peripheral ICs.
- Safe hot-swapping and fault isolation in portable or automotive devices.
Note
For exact electrical specs (Vds max, Rds(on), current limit, EN thresholds) and the precise LRPWR package details, consult the TPS22811 datasheet and packaging guide.

Package

TPS22811LRPWR is in an 8‑pin VSON package (about 3.0 mm × 3.0 mm) with an exposed pad; RoHS/lead-free version.

Pinout

- Pin count: 8 pins in the LRPWR package (leadless). An exposed pad is present and tied to GND.
- Key pin functions:
- EN: Enable input (controls on/off of the switch)
- IN: Input supply to be switched
- OUT: Switched output to the load
- GND: Ground (also connects to the exposed pad)
- ILIM: Current-limit programming (set via a resistor to GND)
- NC pins: No connections (not used)
Function summary: TPS22811LRPWR is a high-side load switch with current-limit protection. EN enables/disables the switch; IN feeds the load via OUT; ILIM sets the current limit; all grounds/common references are tied to GND (and the exposed pad).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits (including power-management devices, sensors, MCUs). HQ in Dallas, Texas.

Application

TPS22811LRPWR is a single-channel high-side load switch with current limit and protection. Typical applications:
- Power-gating and sequencing for portable/battery-powered devices (phones, tablets, wearables, IoT nodes)
- Inrush control and hot-swap for DC rails
- Short-circuit/overcurrent protection on critical subsystems (MCU, radio, sensors, display)
- Reverse-current protection to prevent back-feeding
- Automotive/industrial power rails requiring robust protection
- General load-switching in power-management designs to improve efficiency and standby life

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