TPS62404 Series
Automotive 2.5V to 6V, 2.25MHz Fixed Frequency Dual (400mA/600mA) Buck Converter
Manufacturer: Texas Instruments
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Key Features
• Qualified for automotive applicationsAEC-Q100 qualified with the following results:Device temperature grade 1: –40°C to 125°C operating junction temperature rangeDevice HBM ESD classification level H2Device CDM ESD classification level C4BHigh efficiency—up to 95%VINRange from 2.5 V to 6 V2.25-MHz Fixed-frequency operationOutput current 400 mA and 600 mAAdjustable output voltage from 0.6 V to VINPin selectable output voltage supports simple dynamic voltage scalingEasyScale™ optional one-pin serial interfacePower-save mode at light load currents180° Out-of-phase operationOutput-voltage accuracy in PWM mode ±1%Typical 32-µA quiescent current for both converters100% Duty cycle for lowest dropoutQualified for automotive applicationsAEC-Q100 qualified with the following results:Device temperature grade 1: –40°C to 125°C operating junction temperature rangeDevice HBM ESD classification level H2Device CDM ESD classification level C4BHigh efficiency—up to 95%VINRange from 2.5 V to 6 V2.25-MHz Fixed-frequency operationOutput current 400 mA and 600 mAAdjustable output voltage from 0.6 V to VINPin selectable output voltage supports simple dynamic voltage scalingEasyScale™ optional one-pin serial interfacePower-save mode at light load currents180° Out-of-phase operationOutput-voltage accuracy in PWM mode ±1%Typical 32-µA quiescent current for both converters100% Duty cycle for lowest dropout
Description
AI
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.
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.