Quad-Output Digital PWM Buck Controller
XRP7704
Quad-Output Digital PWM Buck Controller
June 2018
GENERAL DESCRIPTION
The XRP7704 is a quad-output pulse-width ...
Description
XRP7704
Quad-Output Digital PWM Buck Controller
June 2018
GENERAL DESCRIPTION
The XRP7704 is a quad-output pulse-width modulated (PWM) step-down DC-DC controller with a built-in LDO for standby power and GPIOs. The device provides a complete power management solution in one IC and is fully programmable via the included I2C serial interface. Independent Digital Pulse Width Modulator (DPWM) channels regulate output voltages and provide all required protection functions such as current limiting and overvoltage protection. Each output voltage can be programmed from 0.9V to 5.1V without the need of an external voltage divider. The wide range of the programmable DPWM switching frequency (from 300 KHz to 1.5 MHz) enables the user to optimize between efficiency and component size. Input voltage range is from 6.5V to 20V. I2C bus interface is provided to program the IC as well as to communicate with the host for fault reporting and handling, power rail parameters monitoring, etc. The device of...
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