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TPS62130RGTR

3-17V, 3A sync buck, DCS-Control, 2.5MHz, VQFN-16

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Manufacturer Part：

TPS62130RGTR

Package：

16-Pin VQFN (3.0 x 3.0 x 0.9 mm)

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Description

Product Overview

The TPS62130RGTR is a Texas Instruments 3V-17V input, 3A output synchronous step-down DC-DC converter with DCS-Control topology, 2.5MHz switching, 17uA quiescent current, and programmable soft-start. Packaged in 3x3mm VQFN-16, -40C to +125C.

Key Specifications

Input Voltage 3 V to 17 V
Output Voltage 0.9 V to 6 V (adjustable)
Output Current 3 A
Switching Frequency 2.5 MHz (selectable)
Quiescent Current 17 uA typ (Power Save)
Shutdown Current <2 uA
Control Topology DCS-Control
Package VQFN-16 (3 x 3 mm)

Features

  • DCS-Control topology for fast transient response
  • 3V to 17V wide input voltage range
  • Up to 3A continuous output current
  • Adjustable output from 0.9V to 6V
  • 100% duty cycle mode for lowest dropout
  • Power Save Mode with seamless transition
  • Programmable soft-start and tracking
  • Open-drain Power Good output
  • Pin-to-pin compatible with TPS62140/50

Applications

  • 12V standard rail POL supplies
  • Li-ion battery powered systems
  • Solid-state drives and embedded systems
  • Server and microserver power

The TPS62130RGTR is a Texas Instruments synchronous step-down DC-DC converter in a compact 3x3mm VQFN-16 package. The 3V to 17V input range supports 12V intermediate rails and single or multi-cell Li-ion batteries. The DCS-Control (Direct Control with Seamless transition) topology provides fast transient response with a single reactive output component, while maintaining nearly constant switching frequency. The 2.5MHz switching frequency enables the use of small inductors (2.2uH typical) and capacitors, minimizing solution size. The device delivers up to 3A continuous output current with output voltage adjustable from 0.9V to 6V. The Power Save Mode automatically activates at light loads with 17uA quiescent current, maintaining high efficiency across the entire load range with seamless transition between PWM and PFM modes. The 100% duty cycle mode allows the output to approach the input voltage in dropout conditions. The programmable soft-start controls the output voltage ramp, enabling power sequencing via the Enable and Power Good pins.

The TPS62130 uses TI DCS-Control topology, which combines voltage-mode control with a direct feed-forward path from the output voltage. The error amplifier compares the feedback voltage (from the VOS pin or external divider) with an internal 0.8V reference. The DCS-Control generates the on-time based on the input voltage and output voltage ratio, maintaining nearly constant frequency. The off-time is adaptively controlled to achieve seamless transition between continuous conduction (PWM) and discontinuous conduction (PFM) modes. In Power Save Mode at light loads, the device skips switching pulses to reduce switching losses. The 100% duty cycle mode turns the high-side MOSFET on continuously when the input voltage approaches the output voltage, minimizing dropout. The current limit circuit protects against overloads by monitoring the high-side MOSFET current and reducing the current limit to 1.6A during short circuits.

Pin Mnemonic Description
1 PGND Power ground
2 SW Switch node to inductor
3 PVIN Power input supply
4 AVIN Analog input supply
5 EN Enable input
6 SS/TR Soft-start / tracking
7 DEF Output voltage default select
8 FSW Frequency select
9 VOS Output voltage sense
10 FB Feedback input
11 AGND Analog ground
12-16 PG/NC Power good / No connect
  • 12V to 1.2V POL converter for FPGA core at 3A with 2.5MHz enabling 2.2uH inductor
  • Single-cell Li-ion to 3.3V portable device supply with 17uA Power Save Mode IQ
  • Server microserver 12V to 1.0V VRM with Power Good for sequencing
  • SSD 5V to 1.8V buck converter with 100% duty cycle mode for 5V bypass
Model Manufacturer Key Difference
TPS62130ARGTR TI A-version, improved PG threshold
TPS62140RGTR TI Pin-compatible, 1A output
TPS62150RGTR TI Pin-compatible, 1A, 17V input
TPS82130SILR TI Integrated inductor module
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Service & Packaging

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Contact Information

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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