CHL8316CRT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, DDR, Intel VR11.1
Voltage - Input:	3.3V
Number of Outputs:	2
Voltage - Output:	--
Operating Temperature:	0°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-QFN (7x7)

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CHL8316CRT Application Field and Working PrincipleCHL8316CRT voltage regulator is a special-purpose power-management integrated circuit (PMIC) designed for automotive and motor applications. It offers a stable 3.3V and 5V output, a current-mode switching frequency, and adjustable slew rate for voltage for enhanced efficiency and a reduced noise profile.The CHL8316CRT is a special-purpose PMIC featuring a variety of features and operating parameters specifically suited for automotive and motor applications. The PMIC can generate both a 3.3V output (VLN) and 5V output (VHN) with a total internal supply of 28V. The high resolution of the built-in current-mode clock allows configuring the 1.5MHz switching frequency according to the need of the application. The adjustable slew rate of the voltage further contributes to enhanced efficiency and reduced conducted noise.The PMIC also features an integrated linear regulator that is programmable with an external resistor to provide a voltage between 0.8V and 2V. This is perfect for providing a supply for application-specific integrated circuit (ASICs) and other peripherals. Additionally, the IC has a selectable, eco-friendly, low-power mode to reduce the overall power consumption.The chip also uses the Novellus ESMEC (Energy Saving Multi-Phase Efficiency Control) technology to produce an artificial skynet of logic, as well as to reduce the total power consumption of the PMIC. This system is optimized to measure the actual load requirements of the connected circuit, and adjust the switching frequency accordingly to ensure optimal energy efficiency and a longer life for the circuit’s components.A built-in soft start circuit prevents the output voltage from having excessively high peaks during start-up, preventing components from overheating or the output from overshooting than the intended level. Protection from short-circuits, undervoltage, and overload situations is ensured, in addition to a temperature-controlled switching frequency that helps prevent overheating.The CHL8316CRT PMIC is compatible with a wide range of buses, including I2C, SMBus, SPI, and 2-wire. This ensures that the IC is versatile enough to be used in a variety of applications. Furthermore, the IC offers support for boot-up, sleep, and emergency shutdown modes.To sum up, the CHL8316CRT is a versatile, special-purpose PMIC that offers adjustable current-mode switching frequency and adjustable slew rate of voltage for enhanced efficiency and a reduced noise profile. With features like integrated linear regulator, current-mode control, and selectable eco-friendly low-power mode, the IC is a great choice for automotive and motor applications.

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