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TPS22915BYFPR

2A load switch, 37mOhm Ron, 1.05V-5.5V, QOD, controlled slew rate, 0.74x0.74mm DSBGA

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Manufacturer Part：

TPS22915BYFPR

Package：

DSBGA-4 (0.74 x 0.74 x 0.5 mm, YFP)

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Description

Product Overview

The TPS22915BYFPR from Texas Instruments is an integrated single-channel load switch with 37mohm on-resistance, 2A continuous current rating, and quick output discharge (QOD). It supports 1.05V to 5.5V input voltage with controlled slew rate to reduce inrush current, in an ultra-small 0.74×0.74mm DSBGA package.

Key Specifications

Manufacturer Texas Instruments
Input Voltage Range 1.05V ~ 5.5V
Max Continuous Current 2A
On-Resistance 37mOhm @ 5V, 38mOhm @ 3.3V
Quiescent Current 7.7uA (typ) @ 3.3V
Rise Time (B version) 64us @ 3.3V
Quick Output Discharge 143 ohm pulldown
Package DSBGA-4 (0.74 x 0.74mm)
Operating Temperature -40°C ~ 105°C

Features

  • Ultra-small 0.74 x 0.74mm DSBGA (YFP) package
  • Low on-resistance: 37mohm at 5V
  • 2A maximum continuous switch current
  • Controlled slew rate reduces inrush current
  • Quick output discharge (QOD) via integrated 143 ohm pulldown
  • Wide input voltage range: 1.05V to 5.5V
  • Low quiescent current: 7.7uA typical at 3.3V
  • Low control input threshold for 1V GPIO compatibility

Applications

  • Smartphones and tablets power management
  • Wearable devices and portable electronics
  • IoT sensors and modules
  • Battery-powered systems with multiple power rails
  • Space-constrained load switching

The Texas Instruments TPS22915BYFPR is a small, low on-resistance single-channel load switch with controlled slew rate and quick output discharge. The device integrates an N-channel MOSFET that operates over a wide input voltage range of 1.05V to 5.5V and supports up to 2A of continuous current. The controlled rise time significantly reduces inrush current caused by large bulk load capacitances, minimizing power supply droop. The integrated 143-ohm pulldown resistor provides quick output discharge when the switch is turned off, ensuring a predictable power-down sequence. The ultra-small 0.74 x 0.74mm DSBGA package makes it ideal for space-constrained battery-powered applications.

The TPS22915BYFPR operates as an integrated load switch with four key functional blocks: 1) N-Channel MOSFET: The main switching element connects VIN to VOUT when enabled, with a low 37mohm on-resistance at 5V. The gate drive is internally generated to ensure full enhancement of the MOSFET. 2) Controlled Slew Rate: The gate drive voltage is ramped at a controlled rate, producing a rise time of approximately 64us (B version) at 3.3V, which limits the inrush current into downstream capacitors and prevents supply voltage droop. 3) Quick Output Discharge (QOD): When the switch is disabled, an integrated 143-ohm pulldown resistor connects the output to ground, rapidly discharging any load capacitance and ensuring a clean power-down. 4) Control Logic: The ON pin accepts low-voltage GPIO signals (compatible with 1V logic), enabling direct control from modern low-voltage processors.

Pin Name Type Function
A1 VIN Power Input supply voltage (1.05V to 5.5V)
A2 ON Input Enable control (active high)
B1 GND Ground Ground connection
B2 VOUT Output Switched output to load
  • Power rail sequencing and switching in smartphones and tablets
  • Wearable device power management with tight space constraints
  • IoT sensor modules requiring controlled power-up/down
  • Battery-powered systems with multiple voltage domains
  • Portable electronics needing inrush current limiting
Manufacturer Part Number Package Notes
TI TPS22914BYFPR DSBGA-4 Without QOD, same footprint
TI TPS22915CYFPR DSBGA-4 913us rise time (C version)
TI TPS22916BYFPR DSBGA-4 With auto-discharge and reverse current blocking
onsemi FPF1320UCX WLCSP-4 1.5A, similar form factor
TI TPS22918BYFPR DSBGA-6 Adjustable rise time
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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