• 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

• Automotive
• Point of Load Regulator (POL)
• Car Infotainment and Navigation Systems
• ADAS Applications

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.