CDCEL937QPWRQ1 - Automotive Grade Clock Generator from Texas Instruments

The CDCEL937QPWRQ1 is a high-performance, programmable clock generator from Texas Instruments (TI) designed to meet the stringent requirements of automotive applications. With its robust design, this device is part of TI's automotive-qualified products, ensuring reliability and performance under the extreme conditions typical of automotive environments.

This clock generator is based on a mixed-signal Phase-Locked Loop (PLL) with an integrated Voltage-Controlled Oscillator (VCO), providing a versatile solution for generating multiple clock outputs with a wide range of frequencies. The CDCEL937QPWRQ1 is capable of producing up to three programmable clock outputs from a single reference clock, which can be sourced from an external crystal or a clock input.

The device offers a high degree of flexibility with its programmable features, including the ability to select different output frequencies, divide ratios, and output drive strengths. This makes it an ideal choice for various automotive applications that require precise clocking solutions, such as infotainment systems, navigation units, and Advanced Driver Assistance Systems (ADAS).

Key features of the CDCEL937QPWRQ1 include:

• Supply voltage range from 2.5V to 3.3V, suitable for most automotive power supply systems.
• Low-jitter performance, which is critical for maintaining signal integrity in high-speed communication systems.
• Wide operating temperature range from -40°C to +85°C, ensuring reliable operation in harsh automotive environments.
• Non-volatile EEPROM memory for storing user-defined configurations, which can be programmed via an I2C interface.
• Power-down mode for reduced power consumption when the device is not in use.

Encased in a compact 14-pin TSSOP package, the CDCEL937QPWRQ1 is designed for space-constrained applications. Its small footprint and low power consumption make it a convenient choice for modern automotive electronic systems that require minimal power draw without sacrificing performance.

Overall, the CDCEL937QPWRQ1 from Texas Instruments is an excellent choice for automotive engineers looking for a reliable, flexible clock generation solution. With its programmable features and robust design, it stands out as a key component in the development of sophisticated automotive electronics.