3A, 6V input, up to 97% efficiency, Synchronous Step Down Converter with DCS™ Control - TPS62090

TPS62090 (ACTIVE)

3A, 6V input, up to 97% efficiency, Synchronous Step Down Converter with DCS™ Control

 

Recommended alternative parts

  • TPS62085  -  Looking for a smaller package? Try the TPS62085
  • TLV62090  -  Looking for lower cost? Try the TLV62090
  • TPS62090-Q1  -  Looking for a AEC Q100 qualified device? Try the TPS62090-Q1
  • TPS62095  -  Looking for more output current? Try the TPS62095
  • TPS82085  -  Looking for a fully integrated module? Try the TPS82085

Description

The TPS6209x devices are a family of high frequency synchronous step down converters optimized for small solution size, high efficiency and suitable for battery powered applications. To maximize efficiency, the converters operate in pulse width modulation (PWM) mode with a nominal switching frequency of 2.8 MHz/1.4 MHz and automatically enter power save mode operation at light load currents. When used in distributed power supplies and point of load regulation, the devices allow voltage tracking to other voltage rails and tolerate output capacitors ranging from 10 µF up to 150 µF and beyond. Using the DCS-Control™ topology the devices achieve excellent load transient performance and accurate output voltage regulation.

The output voltage start-up ramp is controlled by the softstart pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the enable and power good pins. In power save mode, the devices operate at typically 20 µA quiescent current. Power save mode is entered automatically and seamlessly maintaining high efficiency over the entire load current range.

Features

  • 2.5 V to 6 V Input Voltage Range
  • DCS-Control™
  • 95% Converter Efficiency
  • Power Save Mode
  • 20 µA Operating Quiescent Current
  • 100% Duty Cycle for Lowest Dropout
  • 2.8 MHz/1.4 MHz Typical Switching Frequency
  • 0.8 V to VIN Adjustable Output Voltage
  • Fixed Output Voltage Versions
  • Output Discharge Function
  • Adjustable Softstart
  • Hiccup Short Circuit Protection
  • Output Voltage Tracking
  • Pin-to-pin compatible with TPS62095

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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)
Rating
Package Group
TPS62090 TPS62085 TPS62091 TPS62092 TPS62093
2.5    2.5    2.5    2.5    2.5   
6    6    6    6    6   
0.8    0.8    3.3    2.5    1.8   
6    6    3.3    2.5    1.8   
3    3    3    3    3   
1    1    1    1    1   
1400    2400    1400    1400    1400   
2800    2400    2800    2800    2800   
0.02    0.017    0.02    0.02    0.02   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking   
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification
Tracking   
Constant on-time (COT)    Constant on-time (COT)    Constant on-time (COT)    Constant on-time (COT)    Constant on-time (COT)   
100    100    100    100    100   
-40 to 85    -40 to 125    -40 to 85    -40 to 85    -40 to 85   
Catalog    Catalog    Catalog    Catalog    Catalog   
VQFN    VSON-HR    VQFN    VQFN    VQFN   

Other qualified versions of TPS62090

Version Part Number Definition
Automotive TPS62090-Q1 Q100 devices qualified for high-reliability automotive applications targeting zero defects
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WEBENCH® Designer TPS62090

  Min   Max Range
Vin  V 2.5 to 6.0V
Vout  V 0.8 to 5.8V
Iout  A ≤ 3A
Ambient Temp  °C -40 to 85°C


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