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产品信息
台湾致新科技7+3通道PMIC---G2249RG1U--科瑞芯电子新品热销中
型号：G2249RG1U
封装：TQFN5X5-40
温度范围：-40°C~+85°C
General Description
The G2249RG1U provide a complete power supply solution for handsets or data card. It contains 7 dc/dc converters and 3 LDOs to power each critical blocks of mobile phone, and is optimized for maximum battery life, featuring a low ground current when in standby mode operation. All channels DC/DC converters operate at one fixed frequency of 3.0MHz or 1.5MHz to optimize size, cost, and efficiency. All Synchronous converters operate at pulse skipping mode at light load.
The G2249 features a I2C compatible interface.
The G2249 is available in TQFN5X5-40 package.
Features
■ 3.0V ~ 5.5V Input Voltage Operation
■ 95% Efficient DC/DC Converter
■ Built-in 7-ch synchronous buck converter, 3-ch LDOs
■ Bucks and LDOs can be set to lower IQ at low load
■ Buck2, Buck3, Buck5 and Buck6 Supports DVS Function
■ Built-In Power ON/OFF Sequence for PMU
■ Built-In Short Circuit Protection (SCP), Under Voltage Protection (UVP), and cycle-by cycle current limit for DC/DC Converters
■ LDOs are Programmable to Voltage Options by I2C
■ Built-In Thermal Shutdown Function
■ Built-In VCC OVP Function
■ TQFN5X5-40 Package
Applications
■ Mobile Handsets
■ TV Dongle
■ Smart Phone
■ Set Top Box
