Wide Input Range Current Mode Boost Controller



The TPS40210 and TPS40211 are wide-input voltage (4.5 V to 52 V), nonsynchronous boost controllers. They are suitable for topologies which require a grounded source N-channel FET including boost, flyback, SEPIC and various LED Driver applications. The device features include programmable soft-start, overcurrent protection with automatic retry and programmable oscillator frequency. Current mode control provides improved transient response and simplified loop compensation. The main difference between the two parts is the reference voltage to which the error amplifier regulates the FB pin.


  • For Boost, Flyback, SEPIC, LED Drive Apps
  • Wide Input Operating Voltage: 4.5 V to 52 V
  • Adjustable Oscillator Frequency
  • Fixed Frequency Current Mode Control
  • Internal Slope Compensation
  • Integrated Low-Side Driver
  • Programmable Closed-Loop Soft-Start
  • Overcurrent Protection
  • External Synchronization Capable
  • Reference 700 mV (TPS40210), 260 mV
  • Low Current Disable Function

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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)
Package Group
TPS40210 TPS40211
4.5    4.5   
52    52   
5    7   
60    52   
1    1   
35    35   
1000    1000   
Frequency Synchronization   
Adjustable Switch Frequency
Soft Start
Synchronization Pin   
6    5   
-40 to 125    -40 to 125   
Catalog    Catalog   

Other qualified versions of TPS40210

Version Part Number Definition
Automotive TPS40210-Q1 Q100 devices qualified for high-reliability automotive applications targeting zero defects
High-Temperature TPS40210-HT High-Temperature product for harsh environments
Enhanced Product TPS40210-EP Supports Defense, Aerospace and Medical Applications
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WEBENCH® Designer TPS40210

  Min   Max Range
Vin  V 4.5 to 52.0V
Vout  V 5 to 300V
Iout  A ≤ 20A
Ambient Temp  °C -40 to 150°C

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