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G2241B Datasheet - GMT

Part Name
Description
MFG CO.
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General Description
The G2241B provide a complete power supply solution. They improve performance, component count, and size compared to other multi-channel controllers in 1-cell Li-Ion. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies. All channels DC/DC operate at one fixed frequency of 1.5MHz to optimize size, cost, and efficiency. All Synchronous converters operate at pulse skipping mode at light load. They also feature True-Shutdown as well as internal compensation to minimize external component count.
The G2241B also provide switched mode Li-ion charger with dynamic power path control. G2241B also has auto NTC-R 100kΩ/10kΩ detection circuit.

Features
● 2.5V ~ 5.5V Input Voltage Operation.
● 95% Efficient DC/DC Converter
● Built-in 4-ch synchronous buck converter, 5-ch LDOs, and 1-ch low quiescent current LDO for RTC.
● Low Power consumption (Sleep Mode ) < 10µA.
● 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.
● Integrated switched mode Li-ion charger with dynamic power path function.
● Charge voltage and current control with JEITA compliant.
● Built-In Thermal Shutdown Function.
● Built-In Battery OVP Function.
● Boost Mode Operation for USB OTG.
● TQFN48 Package (6mmx6mm).

Applications
● Tablet PC

 

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