Product details

Vin (Min) (V) 0.9 Vin (Max) (V) 5.5 Vout (Min) (V) 1.8 Vout (Max) (V) 5.5 Switch current limit (Typ) (A) 0.7 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 1200 Switching frequency (Max) (kHz) 1200 Iq (Typ) (mA) 0.019 Features Synchronous Rectification Duty cycle (Max) (%) 100 Operating temperature range (C) -40 to 105 Rating Automotive
Vin (Min) (V) 0.9 Vin (Max) (V) 5.5 Vout (Min) (V) 1.8 Vout (Max) (V) 5.5 Switch current limit (Typ) (A) 0.7 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 1200 Switching frequency (Max) (kHz) 1200 Iq (Typ) (mA) 0.019 Features Synchronous Rectification Duty cycle (Max) (%) 100 Operating temperature range (C) -40 to 105 Rating Automotive
SOT-23-THN (DDC) 6 5 mm² 2.9 x 1.6
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 2: –40°C to 105°C
      Ambient Operating Temperature Range
    • Device HBM Classification Level 1C
    • Device CDM Classification Level C6
  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typical)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT Package
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 2: –40°C to 105°C
      Ambient Operating Temperature Range
    • Device HBM Classification Level 1C
    • Device CDM Classification Level C6
  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typical)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT Package

The TPS61071-Q1 device provides a power supply solution for products powered by lower-voltage DC rails or a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 75 mA, while using a single-cell alkaline, and discharge down to 0.9 V. The device can also generate 5 V at 200 mA from a 3.3-V rail or a Li-ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. The maximum peak current in the boost switch is limited typically to a value of 600 mA.

The TPS61071-Q1 output voltage is programmed by an external resistor divider. To minimize battery drain, disable the converter. During shutdown, the load disconnects from the battery. The device package is a 6-pin thin SOT package (DDC).

The TPS61071-Q1 device provides a power supply solution for products powered by lower-voltage DC rails or a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 75 mA, while using a single-cell alkaline, and discharge down to 0.9 V. The device can also generate 5 V at 200 mA from a 3.3-V rail or a Li-ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. The maximum peak current in the boost switch is limited typically to a value of 600 mA.

The TPS61071-Q1 output voltage is programmed by an external resistor divider. To minimize battery drain, disable the converter. During shutdown, the load disconnects from the battery. The device package is a 6-pin thin SOT package (DDC).

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Technical documentation

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Type Title Date
* Data sheet TPS61071-Q1 90% Efficient Synchronous BoostConverter With 600-mA Switch datasheet (Rev. A) 31 Dec 2015
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Analog design journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Analog design journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
User guide TPS61070EVM-062 User's Guide 16 Jun 2004

Design & development

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Simulation model

TPS61071 Unencrypted PSpice Transient Model Package (Rev. B)

SLVMB40B.ZIP (73 KB) - PSpice Model
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SOT-23-THIN (DDC) 6 View options

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