3.5V to 60V Input, 1.5A Step-Down Converter with Eco-Mode  - TPS54160A

TPS54160A (ACTIVE)

3.5V to 60V Input, 1.5A Step-Down Converter with Eco-Mode

Description

The TPS54160A device is a 60-V, 1.5-A, step down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low ripple pulse skip mode reduces the no load, regulated output supply current to 116 μA. Using the enable pin, shutdown supply current is reduced to 1.3 µA.

Under voltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power good signal indicates the output is within 94% to 107% of its nominal voltage.

A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

Features

  • 3.5 V to 60 V Input Voltage Range
  • 200-mΩ High-Side MOSFET
  • High Efficiency at Light Loads with a Pulse Skipping Eco-mode
  • TPS54160A has Tighter Enable Threshold Than
    TPS54160 for More Accurate UVLO voltage
  • Adjustable UVLO Voltage and Hysteresis
  • 116 µA Operating Quiescent Current
  • 1.3 µA Shutdown Current
  • 100 kHz to 2.5 MHz Switching Frequency
  • Synchronizes to External Clock
  • Adjustable Slow Start/Sequencing
  • UV and OV Power Good Output
  • 0.8-V Internal Voltage Reference
  • MSOP10 and 3mm x 3mm VSON Package with PowerPAD
  • Supported by WEBBENCH and SwitcherPro Software Tool

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Parametrics Evaluate all products in Step-Down (Buck) Converter

  TPS54160A Compare
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Regulated Outputs (#) 1
Vin (Min) (V) 3.5
Vin (Max) (V) 60
Vout (Min) (V) 0.8
Vout (Max) (V) 58
Iout (Max) (A) 1.5
Iout2 (Max) (A) -
Vout2 (Min) (V) -
Vout2 (Max) (V) -
Topology Buck
Inverting Buck-Boost
  • Boost
  • Buck
  • Buck-Boost
  • Inverting Buck-Boost
Switching Frequency (Max) (kHz) 2500
Switch Current Limit (Typ) (A) 1.8
Iq (Typ) (mA) 0.116
Duty Cycle (Max) (%) 98
Soft Start Adjustable
  • Adjustable
  • Fixed
  • None
Compensation External
  • External
  • Internal
  • Not Needed
Special Features Enable
Frequency Synchronization
Light Load Efficiency
Power Good
Tracking
Adjustable UVLO
  • Adjustable Current Limit
  • Adjustable UVLO
  • Dynamic Voltage Scaling
  • Enable
  • Frequency Synchronization
  • Light Load Efficiency
  • Phase Interleaving
  • Power Good
  • Synchronous Rectification
  • Tracking
Control Mode Current Mode
  • COT with emulated ripple
  • Constant on-time (COT)
  • Current Mode
  • D-CAP
  • D-CAP+
  • D-CAP2
  • D-CAP3
  • Voltage Mode
Preset Vout (V) -
Vref Accuracy (Typ) (%) 1
Rating Catalog
  • Automotive
  • Catalog
  • HiRel Enhanced Product
  • High Temp
  • Military
  • Space
Operating Temperature Range (C) -40 to 125 °C to °C
Approx. Price (US$) 1.58 | 1ku
Package Group MSOP-PowerPAD
VSON
  • CFP
  • DDPAK/TO-263
  • DSBGA
  • DSLGA
  • HTSSOP
  • LQFN-CLIP
  • LSON-CLIP
  • MSOP-PowerPAD
  • PDIP
  • QFN
  • SO PowerPAD
  • SOIC
  • SON
  • SOT
  • SOT-23
  • TO-220
  • TO-263
  • TSSOP
  • USON
  • VQFN
  • VQFN-CLIP
  • VSON
  • VSSOP
  • WQFN
  • WSON
  • XCEPT
  Sample & Buy Reset Update

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WEBENCH® TPS54160A
    Min   Max   Range  
  Vin V    3.50 – 60.00V  
  Vout V    0.80 – 58.00V  
  Iout A    ≤ 1.5A  
  Ambient Temp °C    -40 – 150°C  
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