TPS62175 (ACTIVE)

28V, 0.5A Step-Down Converter with SNOOZE Mode

28V, 0.5A Step-Down Converter with SNOOZE Mode - TPS62175
 

Description

The TPS6217x is a high efficiency synchronous step-down DC/DC converter, based on the DCS-Control™ topology.

With a wide operating input voltage range of 4.75 V to 28 V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12 V and even higher intermediate supply rails, providing up to 500-mA output current.

The TPS6217x automatically enters power save mode at light loads, to maintain high efficiency across the whole load range. As well, it features a sleep mode to supply applications with advanced power save modes like ultra low power micro controllers. The power good output may be used for power sequencing and/or power on reset.

The device features a typical quiescent current of 22 µA in normal mode and 4.8 µA in sleep mode. In sleep mode, the efficiency at very low load currents can be increased by as much as 20%. In shutdown mode, the shutdown current is less than 2 µA and the output is actively discharged.

The TPS6217x, available in an adjustable and a fixed output voltage version, is packaged in a small 2-mm × 3-mm 10-pin WSON package.

Features

  • DCS-Control™ Topology
  • Input Voltage Range 4.75 V to 28 V
  • Quiescent Current Typically 4.8 µA (Sleep Mode)
  • 100% Duty Cycle Mode
  • Active Output Discharge
  • Power Good Output
  • Output Current of 500 mA
  • Output Voltage Range 1 VDC to 6 V
  • Switching Frequency of Typically 1 MHz
  • Seamless Power Save Mode Transition
  • Undervoltage Lockout
  • Short Circuit Protection
  • Over Temperature Protection
  • Available in 2-mm × 3-mm 10-pin WSON Package

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Parametrics Compare all products in Buck Converter (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)
Package Group
TPS62175 TPS62125 TPS62150 TPS62171 TPS62172 TPS62173 TPS62177 TPS62230 TPS62671 TPS62740 TPS62742 TPS62745 TPS62746 TPS62748 TPS62821
4.7    3    3    3    3    3    4.7    2.05    2.3    2.2    3    3.3    2    2.15    2.4   
28    17    17    17    17    17    28    6    4.8    5.5    5.5    10    5.5    5.5    5.5   
1    1.2    0.9    1.8    3.3    5    3.3    2.5    1.8    1.8    1.8    1.8    1.2    1.2    0.6   
6    10    6.3    1.8    3.3    5    3.3    2.5    1.8    3.3    3.3    3.3    3.3    1.8    4   
0.5    0.3    1    0.5    0.5    0.5    0.5    0.5    0.5    0.3    0.4    0.3    0.3    0.3    1   
1    1    1    1    1    1    1    1    1    1    1    1    1    1    1   
1000    1000    1250    2250    2250    2250    1000    2000    5400    2000    2000    2500    1200    1200    2200   
1000    1000    2500    2250    2250    2250    1000    3000    6600    2000    2000    2500    1200    1200    2200   
0.0048    0.013    0.017    0.017    0.017    0.017    0.0048    0.022    0.017    0.0003    0.0003    0.0004    0.0003    0.00036    0.004   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
UVLO Adjustable   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking
Voltage Margining   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking
Voltage Margining   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking
Voltage Margining   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking
Voltage Margining   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification   
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Synchronous Rectification   
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Spread Spectrum
Synchronous Rectification   
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Output Discharge
Synchronous Rectification   
Dynamic Voltage Scaling
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification   
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Output Discharge
Synchronous Rectification   
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Output Discharge
Synchronous Rectification   
Load Disconnect    Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
Voltage 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   
Constant on-time (COT)
DCS-Control   
Constant on-time (COT)
DCS-Control   
100    100    100    100    100    100    100    100    100    100    100    100    100    100    100   
-40 to 85    -40 to 85    -40 to 125    -40 to 125    -40 to 125    -40 to 125    -40 to 85    -40 to 125    -40 to 85    -40 to 85    -40 to 85    -40 to 125    -40 to 85    -40 to 125    -40 to 125   
WSON    WSON    VQFN    WSON    WSON    WSON    WSON    SON    DSBGA    WSON    WSON    WSON    DSBGA    DSBGA    VSON-HR   
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WEBENCH® Designer TPS62175

  Min   Max Range
Vin  V 4.75 to 28.0V
Vout  V 1 to 6V
Iout  A ≤ 0.5A
Ambient Temp  °C -40 to 85°C


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