SKYWORKS CX20460 free download

File name CX20460.pdf

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 communications (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 · [email protected] · www.skyworksinc.com 103185C · Skyworks Proprietary and Confidential information. · Products and product information are subject to change without notice. · July 28, 2004 1 CX20460 PRODUCT SUMMARY V_PWR ISN V_GATE ISP V_CHRG Pull-Up PWR_ON0 ALARM PWR_ON1 Li-Ion Charger MUX BAT_PK_IN MUX_OUT SIM_EN BOOST_EN SHUTDOWN PMIC_INT EN_1 EN_2 EN_3 GND Control Logic SERIAL_DATA SERIAL_CLK CHRG_DET V_PWR CTRL GROUND_SENSE Internal Regulator Low Drop-out Regulators Voltage Regulators Clock Power-On Reset SIM Card Interface SIM_RST_HOST SMI_DATA_HOST SIM_CLK_HOST DC/DC SW Internal Reset V_OUT1 V_OUT2 V_OUT3 V_SIM V_OUT5 V_OUT4 V_OUT8 V_OUT7 V_BOOST POR BOOST_VDD BOOST_PULSE Convertor Controls BOOST_SENSE SIM_DATA_CARD SIM_RST_CARD SIM_CLK_CARD Figure 1. CX20460 PMIC Block Diagram 7.04 ± 0.05 Pin 1 3.480 To Metal Pad Edge 3.350 Ш 0.150 Pin #1 Mark Ш 0.300 Pin #1 Exposed Metal Solder Mask 0.500 3.350 7.04 ± 0.05 R 2.225 Solder Mask Exposed Metal 6.200 0.38 ± 0.05 (48 x) 3.480 To Metal Pad Edge 0.040 Ref. 0.300 ± 0.020 (X48) 0.400 ± 0.050 (X48) Package Edge Ш 0.080 M , Z X Y Mold 1.00 ± .10 0.30 ± .05 0.500 Detail A Substrate All dimensions are in millimeter 7 X 7 RFLGA - 48 Pins Figure 2. CX20460 PMIC Package Dimension 48 Pin LGA Skyworks Solutions, Inc. · Phone [781] 376-3000 · Fax [781] 376-3100 ·