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High Efficiency Automotive Single Inductor Buck-Boost Converter with 4A Switch

Availability: 1,395


Package | PIN: VSON (DSJ) | 14
Temp: Q (-40 to 125)
Package qty | Carrier: 250 | SMALL T&R
Qty Price
1-99 $2.74
100-249 $2.40
250-999 $1.68
1,000+ $1.36


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified with the Following Results:
    • Device Temperature Grade: –40°C to 125°C
      Operating Junction Temperature Range
    • Device HBM ESD Classification Level H1B
    • Device CDM ESD Classification Level C4A
  • Input Voltage Range: 1.8 V to 5.5 V
  • Up to 96% Efficiency
  • 3 A Output Current at 3.3 V in Step Down Mode
    (VIN > 3.6 V)
  • More than 2 A Output Current at 3.3 V in Boost
    Mode (VIN > 2.5 V)
  • Automatic Transition Between Step Down and
    Boost Mode
  • Dynamic Input Current Limit
  • Device Quiescent Current less than 50 µA
  • Adjustable Output Voltage Range from 1.2 V to
    5.5 V
  • Power Save Mode for Improved Efficiency at
    Low Output Power
  • Forced Fixed Frequency Operation at 2.4 MHz
    and Synchronization Possible
  • Smart Power Good Output
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Overvoltage Protection
  • Available in a 3-mm × 4-mm, VSON-14 Package

Texas Instruments  TPS63020QDSJTQ1

The TPS63020-Q1 device provides a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-Ion or Li-Polymer battery. Output currents can go as high as 3 A while using a single-cell Li-Ion or Li-Polymer battery, and discharge it down to 2.5 V or lower. The buck-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 power save mode to maintain 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 maximum average current in the switches is limited to a typical value of 4 A. The output voltage is programmable using an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 3 mm × 4 mm 14-pin VSON PowerPAD™ package (DSJ).