TPS62825 2A Step-Down Converter with 1% Accuracy in 1.5mm x 1.5mm QFN | TI.com

TPS62825 (ACTIVE)

2A Step-Down Converter with 1% Accuracy in 1.5mm x 1.5mm QFN

 

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  • TLV62569  -  Looking for 2A in leaded package?

Description

The TPS6282x is an ease-to-use synchronous step-down DC-DC converters family with a very low quiescent current of only 4 µA. Based on the DCS-Control topology, it provides a fast transient response. The internal reference allows to regulate the output voltage down to 0.6 V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The whole pin-to-pin and BOM-to-BOM compatible device family can be used with a small 470-nH inductor to deliver a scalable 2-A to 4-A power supply solution.

The TPS6282x includes an automatically entered power save mode to maintain high efficiency down to very light loads for extending the system battery run-time. The device features a Power Good signal and an internal soft start circuit. It is able to operate in 100% mode. For fault protection, it incorporates a HICCUP short circuit protection as well as a thermal shutdown. The device is available in a 6-pin 1.5 x 1.5-mm QFN package, offering the highest power density solution.

Features

  • DCS-Control Topology
  • 1% Feedback or Output Voltage Accuracy (full temperature range)
  • Up to 97% Efficiency
  • 26mΩ and 25mΩ Internal Power MOSFETs
  • 2.4-V to 5.5-V Input Voltage Range
  • 4-µA Operating Quiescent Current
  • 2.2-MHz Switching Frequency
  • Adjustable Output Voltage from 0.6 V to 4V
  • Power Save Mode for Light Load Efficiency
  • 100% Duty Cycle for Lowest Dropout
  • Active Output Discharge
  • Power Good Output
  • Thermal Shutdown Protection
  • Hiccup Short-Circuit Protection
  • Create a Custom Design Using the TPS6282x With the WEBENCH® Power Designer

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Parametrics Compare all products in Buck converters (integrated switch)

 
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iout (Max) (A)
Regulated outputs (#)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Features
Control mode
Duty cycle (Max) (%)
Operating temperature range (C)
Rating
Package Group
Type
Package size: mm2:W x L (PKG)
TPS62825 TLV62569 TLV62585 TPS62821 TPS62822 TPS62823 TPS62826
2.4     2.5     2.5     2.4     2.4     2.4     2.4    
5.5     5.5     5.5     5.5     5.5     5.5     5.5    
0.6     0.6     0.6     0.6     0.6     0.6     0.6    
4     5.5     5.5     4     4     4     4    
2     2     3     1     2     3     3    
1     1     1     1     1     1     1    
2200     1500     1500     2200     2200     2200     2200    
2200     1500     1600     2200     2200     2200     2200    
0.004     0.035     0.04     0.004     0.004     0.004     0.004    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
UVLO Fixed    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
UVLO Fixed    
Constant on-time (COT)
DCS-Control    
Constant on-time (COT)     Current Mode     Constant on-time (COT)
DCS-Control    
Constant on-time (COT)
DCS-Control    
Constant on-time (COT)
DCS-Control    
Constant on-time (COT)
DCS-Control    
100     100     100     100     100     100     100    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
VSON-HR | 6     SOT-23-THIN | 6
SOT-23 | 5
SOT-5X3 | 6    
SOT-5X3 | 6
VQFN-HR | 12    
VSON-HR | 8     VSON-HR | 8     VSON-HR | 8     VSON-HR | 6    
Converter     Converter     Converter     Converter     Converter     Converter     Converter    
6VSON-HR: 2 mm2: 1.5 x 1.5 (VSON-HR | 6)     5SOT-23: 8 mm2: 2.8 x 2.9 (SOT-23 | 5)
6SOT-23-THIN: 8 mm2: 2.8 x 2.9 (SOT-23-THIN | 6)
6SOT-5X3: 3 mm2: 1.6 x 1.6 (SOT-5X3 | 6)    
6SOT-5X3: 3 mm2: 1.6 x 1.6 (SOT-5X3 | 6)
12VQFN-HR: 4 mm2: 2 x 2 (VQFN-HR | 12)    
8VSON-HR: 3 mm2: 1.5 x 2 (VSON-HR | 8)     8VSON-HR: 3 mm2: 1.5 x 2 (VSON-HR | 8)