TPS62423 Series
Automotive 2.25-MHz Fixed VOUT Dual 800mA Step-Down Converter for ADAS Camera applications
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 2Device CDM ESD classification level C4BHigh efficiency—up to 95%VINrange from 2.5 V to 6 V2.25-MHz fixed-frequency operationOutput current TPS62406-Q1 1000 mA/400 mAOutput current TPS62407-Q1 400 mA/600 mAOutput current TPS62422-Q1 1000 mA/600 mAOutput current TPS62423-Q1 800 mA/800 mAOutput current TPS62424-Q1 800 mA/800 mAFixed output voltagesEasyScale™ 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 2Device CDM ESD classification level C4BHigh efficiency—up to 95%VINrange from 2.5 V to 6 V2.25-MHz fixed-frequency operationOutput current TPS62406-Q1 1000 mA/400 mAOutput current TPS62407-Q1 400 mA/600 mAOutput current TPS62422-Q1 1000 mA/600 mAOutput current TPS62423-Q1 800 mA/800 mAOutput current TPS62424-Q1 800 mA/800 mAFixed output voltagesEasyScale™ 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 TPS624xx-Q1 family of devices are synchronous dual step-down DC-DC converters for Automotive applications such as Advanced Driver Assistance Systems (ADAS). They provide two independent output voltage rails powered by a standard 3.3-V or 5-V voltage rail, with fixed output voltages optimized for powering the CMOS imager or serializer-deserializer in ADAS camera modules.
The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions TPS624xx-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.
The TPS624xx-Q1 family of devices 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 TPS624xx-Q1 family of devices are synchronous dual step-down DC-DC converters for Automotive applications such as Advanced Driver Assistance Systems (ADAS). They provide two independent output voltage rails powered by a standard 3.3-V or 5-V voltage rail, with fixed output voltages optimized for powering the CMOS imager or serializer-deserializer in ADAS camera modules.
The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions TPS624xx-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.
The TPS624xx-Q1 family of devices 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.