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Texas Instruments - Step-down converter for ADAS camera applications (XTPS62424QDRCRQ1)

Technology Cover
Post Date: 2018-09-21, Texas Instruments

The Texas Instruments TPS624xx-Q1 family of devices are synchronous dual step-down DC-DC converters for automotive applications such as ADAS. They provide two independent output voltage rails powered by a standard 3.3V or 5V voltage rail, with fixed output voltages optimised for powering the CMOS imager or serialiser-deserialiser in ADAS camera modules.

The EasyScale serial interface allows output-voltages modification during operation. The fixed-output-voltage versions support one-pin-controlled simple dynamic voltage scaling for low-power processors.

The family of devices works at 2.25MHz fixed switching frequency and opens the power-save mode operation at light load currents to sustain high efficiency over the complete load-current range. For low-noise applications, users can force the devices into fixed-frequency PWM mode by pulling the MODE/DATA pin high. The shutdown mode decreases the current consumption to 1.2µA, typical. The devices enable the use of small inductors and capacitors to deliver a small solution size.

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