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TPS62148RGX

2A sync buck DC-DC, 3-17V in, 1.15V fixed out, DCS-Control, 10-VQFN 3x2mm

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Manufacturer Part：

TPS62148RGX

Package：

10-VQFN (RGX) (3.0 x 2.0 x 0.9 mm)

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Description

Product Overview

The TPS62148RGX from Texas Instruments is a 2A synchronous step-down converter in a 10-pin VQFN (RGX) 3x2mm package. Operating from 3V to 17V input with a fixed 1.15V output, it features DCS-Control topology for fast transient response and 17uA quiescent current.

Key Specifications

Input Voltage 3V ~ 17V
Output Voltage 1.15V fixed
Output Current 2A continuous
Switching Frequency ~2.25MHz
Quiescent Current 17uA typical
Efficiency 92% at 12V input, 3.3V/1A
Package 10-VQFN (RGX) 3.0 x 2.0mm
Operating Temperature -40°C to +125°C

Features

  • DCS-Control for fast transient response
  • Fixed 1.15V output, no external feedback divider
  • 17uA operating quiescent current
  • 100% duty cycle mode for lowest dropout
  • 2.25MHz switching allows small inductor
  • Power good output and enable pin

Applications

  • 12V to 1.15V point-of-load conversion
  • FPGA core voltage regulation
  • Industrial sensor and PLC power
  • Networking and telecom equipment
  • Portable instrumentation

The TPS62148RGX from Texas Instruments is a 2A synchronous step-down converter with a fixed 1.15V output in a 10-pin 3x2mm VQFN package. Using TI’s DCS-Control topology, it achieves fast transient response while maintaining very low 17uA operating quiescent current. The 2.25MHz switching frequency allows small external inductors. Operating from 3V to 17V input, it is ideal for 12V to 1.15V and 5V to 1.15V point-of-load conversion. A 100% duty cycle mode provides the lowest possible dropout voltage.

The TPS62148 uses TI’s proprietary DCS-Control topology combining voltage-mode and current-mode advantages. A fast voltage feedback loop directly controls the output voltage, while internal current feedback provides cycle-by-cycle current limiting and smooth PWM/PFM mode transition. In PWM mode at moderate-to-heavy loads, the device switches at approximately 2.25MHz. In PFM mode at light loads, switching frequency is reduced to maintain efficiency. The 100% duty cycle mode turns on the high-side MOSFET continuously when VIN approaches VOUT, minimizing dropout.

Pin Name Type Function
1 VIN Power Input voltage (3-17V)
2 VIN Power Input voltage
3 EN Input Enable (active high)
4 AGND Power Analog ground
5 FB Input Feedback (connect to VOUT for 1.15V)
6 PG Output Power good indicator
7 SW Power Switch node (inductor connection)
8 PGND Power Power ground
  • 12V/5V to 1.15V FPGA core voltage rail
  • Industrial sensor and PLC low-voltage power
  • Networking equipment POL supply
  • Portable battery-powered instrumentation
  • Consumer electronics low-voltage regulation
Manufacturer Part Number Package Notes
TI TPS62147RGX 10-VQFN Adjustable output version
TI TPS62150RGX 10-VQFN 1A, adjustable, DCS-Control
Monolithic Power MP8759GD-Z QFN-10 2A, 3-17V sync buck
TI TPS62140RGX 10-VQFN 1A, adjustable, DCS-Control
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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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