Low Iq, Synchronous Boost Controller with Wide Input Voltage and 5.5V Gate Drive for Low Qg  NexFETs - TPS43061

TPS43061 (ACTIVE)

Low Iq, Synchronous Boost Controller with Wide Input Voltage and 5.5V Gate Drive for Low Qg NexFETs

Description

The TPS43060 and TPS43061 are low IQ current-mode synchronous boost controllers with wide-input voltage range from 4.5 to 38 V (40 V absolute max) and boosted output range up to 58 V. Synchronous rectification enables high-efficiency for high-current applications, and lossless inductor DCR sensing further improves efficiency. The resulting low-power losses combined with a 3-mm × 3-mm WQFN-16 package with PowerPAD™ supports high power-density and high-reliability boost converter solutions over extended (–40°C to 150°C) temperature range.

The TPS43060 includes a 7.5-V gate drive supply, which is suitable to drive a broad range of MOSFETs. The TPS43061 has a 5.5-V gate drive supply and driver strength optimized for low Qg NexFET power MOSFETs. Also, TPS43061 provides an integrated bootstrap diode for the high-side gate driver to reduce the external parts count.

Features

  • 58-V Maximum Output Voltage
  • 4.5 to 38 V (40 V Absolute Max)
    VIN Range
  • TPS43060: 7.5-V Gate Drive Optimized
    for Standard Threshold MOSFETs
  • TPS43061: 5.5-V Gate Drive Optimized
    for Low Qg NexFET™ Power MOSFETs
  • Current-Mode Control With Internal
    Slope Compensation
  • Adjustable Frequency from 50 kHz to
    1 MHz
  • Synchronization Capability to External
    Clock
  • Adjustable Soft-Start Time
  • Inductor DCR or Resistor Current Sensing
  • Output Voltage Power-Good Indicator
  • ±0.8% Feedback Reference Voltage
  • 5-µA Shutdown Supply Current
  • 600-µA Operating Quiescent Current
  • Integrated Bootstrap Diode (TPS43061)
  • Cycle-by-Cycle Current Limit and Thermal
    Shutdown
  • Adjustable Undervoltage Lockout (UVLO)
    and Output Overvoltage Protection
  • Small 16-Pin WQFN (3 mm × 3 mm)
    Package With PowerPAD™
  • –40°C to 150°C Operating
    TJ Range

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Parametrics Compare all products in Boost Controller (External Switch)

 
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Switch Current Limit (Typ) (A)
Regulated Outputs (#)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Iout (Max) (A)
Duty Cycle (Max) (%)
Operating Temperature Range (C)
Rating
Package Group
TPS43061 TPS43060
4.5     4.5    
40     40    
4.5     4.5    
60     60    
20     20    
1     1    
50     50    
1000     1000    
0.6     0.6    
20     20    
95     95    
-40 to 150     -40 to 150    
Catalog     Catalog    
WQFN     WQFN    

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New! Interactive Design
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WEBENCH® Designer TPS43061

  Min   Max Range
Vin  V 4.5 to 38.0V
Vout  V 4.5 to 58.0V
Iout  A ≤ 100A
Ambient Temp  °C -40 to 150°C


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