Power Management ICs for Mobile Phones

In the mobile phone market the trend is towards increased functionality and greater circuit density, which requires power supply ICs with power management functions that minimize power consumption while maintaining the necessary functions to protect the system from external interference. ROHM offers ICs that satisfies these demands by integrating a variety of functions and protection circuits on a single low-power-consumption chip, resulting in high reliability and increased space savings.

Broad Lineup Power Management ICs for Mobile Phones

| Multifunction Power Management ICs | System Regulators with High Efficiency DC/DC Converters | Ultra Small DC / DC Converter for RF Power Amplifier | Constant Voltage Controller ICs for AC / DC |

Multifunction Power Management ICs Lithium ion charging system monitors all charging states, ensuring safe battery charging Built-in startup sequencer offers stable starts with less current rush on power up	System Regulators with High Efficiency DC/DC Converters Device address switching function enables control of multiple units on the same bus (BH6173GUL) 2-stage configuration (DC/DC converter + LDO regulator) contributes to improved power conversion efficiency(BH6173GUL, BH6174GUL)

Ultra Small DC / DC Converter for RF Power Amplifier Ultra small, 1.6mm×1.6mm 9pin WLCSP, Built-in 1.2A bypass mode switch. Dynamically adjustable output for 1V to VIN at external DAC, etc. Low noise operation	Constant Voltage Controller ICs for AC / DC Built-in high accuracy ±1% reference power supply eliminates variations during battery charging High reference voltage accuracy enables configuration of high precision constant current circuits 6kV ESD resistance