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TPS61200

ACTIVE

0.3-V input voltage, adjustable ouput voltage boost converter with 1.3-A switches, 3-mm x 3-mm QFN

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Data sheet

TPS61200

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Boost Vin (max) (V) 5.5 Vin (min) (V) 0.3 Vout (max) (V) 5.5 Vout (min) (V) 1.8 Switch current limit (typ) (A) 1.35 Features Synchronous rectification Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00005 Duty cycle (max) (%) 95
Rating Catalog Topology Boost Vin (max) (V) 5.5 Vin (min) (V) 0.3 Vout (max) (V) 5.5 Vout (min) (V) 1.8 Switch current limit (typ) (A) 1.35 Features Synchronous rectification Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00005 Duty cycle (max) (%) 95
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • More than 90% Efficiency at
    • 300 mA Output Current at 3.3 V
      (VIN ≥ 2.4 V)
    • 600 mA Output Current at 5 V (VIN ≥ 3 V)
  • Automatic Transition between Boost Mode and
    Down Conversion Mode
  • Device Quiescent Current Less than 55 µA
  • Startup into Full Load at 0.5 V Input Voltage
  • Operating Input Voltage Range from
    0.3 V to 5.5 V
  • Programmable Undervoltage Lockout Threshold
  • Output Short Circuit Protection Under all Operating
    Conditions
  • Fixed and Adjustable Output Voltage Options from
    1.8 V to 5.5 V
  • Power Save Mode for Improved Efficiency at Low
    Output Power
  • Forced Fixed Frequency Operation Possible
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 3 mm × 3 mm VSON-10 Package
  • More than 90% Efficiency at
    • 300 mA Output Current at 3.3 V
      (VIN ≥ 2.4 V)
    • 600 mA Output Current at 5 V (VIN ≥ 3 V)
  • Automatic Transition between Boost Mode and
    Down Conversion Mode
  • Device Quiescent Current Less than 55 µA
  • Startup into Full Load at 0.5 V Input Voltage
  • Operating Input Voltage Range from
    0.3 V to 5.5 V
  • Programmable Undervoltage Lockout Threshold
  • Output Short Circuit Protection Under all Operating
    Conditions
  • Fixed and Adjustable Output Voltage Options from
    1.8 V to 5.5 V
  • Power Save Mode for Improved Efficiency at Low
    Output Power
  • Forced Fixed Frequency Operation Possible
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 3 mm × 3 mm VSON-10 Package

The TPS6120x devices provide a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. It is also used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents depend on the input to output voltage ratio. The devices provide output currents of up to 600 mA at a 5-V output, while using a single-cell Li-Ion or Li-Polymer battery and discharges it down to 2.6 V. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters the Power Save mode to maintain a high efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The average input current is limited to a maximum value of 1500 mA. The output voltage is programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 10-pin VSON package measuring 3 mm × 3 mm.

The TPS6120x devices provide a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. It is also used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents depend on the input to output voltage ratio. The devices provide output currents of up to 600 mA at a 5-V output, while using a single-cell Li-Ion or Li-Polymer battery and discharges it down to 2.6 V. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters the Power Save mode to maintain a high efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The average input current is limited to a maximum value of 1500 mA. The output voltage is programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 10-pin VSON package measuring 3 mm × 3 mm.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet TPS6120x Low Input Voltage Synchronous Boost Converter With 1.3-A Switches datasheet (Rev. E) PDF | HTML Dec 24, 2014
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML Dec 6, 2023
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML Oct 28, 2022
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec 11, 2018
Selection guide Power Management Guide 2018 (Rev. R) Jun 25, 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) Nov 29, 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) Jun 15, 2017
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML May 3, 2016
Application note Automated Frequency Response Analyzer Oct 9, 2013
Analog design Journal Design considerations for a resistive feedback divider in a DC/DC converter Apr 26, 2012
Application note Supplying TPS61200 With a Single Solar Cell (Rev. B) Sep 6, 2011
Analog design Journal IQ: What it is, what it isn’t, and how to use it Jun 17, 2011
Application note Using TPS61200 as WLED Driver Sep 21, 2009
Application note Low Voltage Reverse Battery Protection Circuit Using TPS61200 Boost Converter Feb 15, 2009
Application note Minimizing Ringing at the Switch Node of a Boost Converter Sep 15, 2006

Design & development

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Evaluation board

TPS61200EVM-179 — TPS61200EVM-179 Evaluation Module

The TPS61200EVM-179 is an evaluation module for the TPS61200 low input voltage synchronous boost converter. The TPS61200 provides a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery.

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