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Automotive Catalog Dual, Adjustable, 400mA & 600mA, 2.25MHz Step-Down Converter w/ 1-Wire Interface

Availability: 8,427


Package | PIN: VSON (DRC) | 10
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $1.76
10-24 $1.58
25-99 $1.46
100-249 $1.28
250-499 $1.18
500-749 $0.99
750-999 $0.81
1,000+ $0.74


  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Operating Junction Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C4B
  • High Efficiency—Up to 95%
  • VIN Range From 2.5 V to 6 V
  • 2.25-MHz Fixed-Frequency Operation
  • Output Current 400 mA and 600 mA
  • Adjustable Output Voltage From 0.6 V to VIN
  • Pin Selectable Output Voltage Supports Simple
    Dynamic Voltage Scaling
  • EasyScale™ Optional One-Pin Serial Interface
  • Power-Save Mode at Light Load Currents
  • 180° Out-of-Phase Operation
  • Output-Voltage Accuracy in PWM Mode ±1%
  • Typical 32-µA Quiescent Current for Both Converters
  • 100% Duty Cycle for Lowest Dropout

Texas Instruments  TPS62400QDRCRQ1

The TPS6240x-Q1 family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications and automotive systems. They provide two independent output voltage rails powered by rechargeable batteries or standard 3.3-V or 5-V voltage rail.

The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions, TPS62402-Q1, TPS62404-Q1, and TPS62405-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.

The TPS6240x-Q1 operates at 2.25-MHz fixed switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load-current range. For low-noise applications, one can force the devices into fixed-frequency PWM mode by pulling the MODE/DATA pin high. The shutdown mode reduces the current consumption to 1.2-µA, typical. The devices allow the use of small inductors and capacitors to achieve a small solution size.