CX20460 Datasheet | Skyworks Solutions

PRODUCT SUMMARY CX20460 Power Management Integrated Circuit for GSM and GPRS Applications Applications - GSM and GPRS handsets/data modules Description Skyworks Power Management Integrated Circuit (PMIC) integrates all the power supply and battery charging functions of a low power wireless system into one package. The device is designed for Global System for Mobile munications (GSM) and General Packet Radio Service (GPRS) cellular handset applications. The CX20460 PMIC is easily programmable using a two-wire serial interface to ensure maximum flexibility for a wide variety of designs. The device provides the following functions: - Voltage switching, conversion, and regulation - Power management control logic - Charging and monitoring of system battery - SIM interface The device is packaged in a 48-pin 7.0 x 7.0 mm Land Grid Array (LGA). The LGA includes a downset paddle, which should be connected to the board ground plane. - CX20460-11 with a 1.20 mm chip height (For previous designs). - CX20460-12 with a 1.00 mm chip height - CX20460-32 with a 1.00 mm chip height The CX20460 PMIC block diagram is shown in Figure 1. The device package is shown in Figure 2 through Figure 4. Features - Power on/off control - Generation of system voltages from a single power source - Eight regulators - Built-in linear battery charger - Analog multiplexer - Generation of system power on reset - Overcurrent limiting - Step-up DC/DC converter - 48-pin LGA 7.0x7.0 mm package - 3 V and 5 V Subscriber Identity Module (SIM) support including level shifting Skyworks Solutions, Inc. - Phone [781] 376-3000 - Fax [781] 376-3100 - sales@skyworksinc. - .skyworksinc. 103185C...