text.skipToContent text.skipToNavigation


Automotive 2.75-V to 6-V, 2-A step-down converter in a 2mm x 3mm wettable-flanks QFN package

Availability: 14,751


Package | PIN: VQFN-HR (RWY) | 9
Temp: Q (-40 to 125)
Package qty | Carrier: 3,000 | LARGE T&R
Custom reel may be available
Qty Price
1-99 $1.68
100-249 $1.46
250-999 $0.99
1,000+ $0.75


  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1:
      –40°C to +125°C TA
  • Functional safety capable
    • Documentation available to aid functional safety systemdesign
  • Input voltage range: 2.75 V to 6 V
  • Family of 1 A, 2 A, 3 A and 4 A
  • Quiescent current 15-µA typical
  • Output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (PWM operation)
  • Adjustable soft-start
  • Forced PWM or PWM and PFM operation
  • Adjustable switching frequency of
    1.8 MHz to 4 MHz
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exactsequencing
  • 100% duty cycle mode
  • Active output discharge
  • Spread spectrum clocking - optional
  • Power good output with window comparator
  • Package with wettable flanks

All trademarks are the property of their respective owners.

Texas Instruments  TPS62812QWRWYRQ1

The TPS6281x-Q1 is family of pin-to-pin 1-A, 2-A, 3-A and 4-A synchronous step-downDC/DC converters. All devices offer high efficiency and ease of use. The TPS6281x-Q1 family isbased on a peak current mode control topology. TPS6281x-Q1 is designed for automotive applicationssuch as Infotainment and advanced driver assistance systems. Low resistive switches allow up to 4-Acontinuous output current at high ambient temperature. The switching frequency is externallyadjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock in the samefrequency range. In PWM/PFM mode, the TPS6281x-Q1 automatically enter Power Save Mode at lightloads to maintain high efficiency across the whole load range. The TPS6281x-Q1 provide 1% outputvoltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy.The SS/TR pin allows setting the start-up time or forming tracking of the output voltage to anexternal source. This allows external sequencing of different supply rails and limiting the inrushcurrent during start-up.

The TPS6281x-Q1 is available in a 3-mm x 2-mm VQFN package with wettable flanks.