RESET OUTPUT ADP3502 STAY-ALIVE TIMER The ADP3502 is a multifunction chip optimized for CDMA-1x cell phone power management. It offers a total power solution for the handset baseband and RF section, including LDOs to power 11 subsystems. Also integrated are a real-time clock (RTC), serial bus interface, and charging control for Li-Ion/ Li-Polymer batterie.
11 LDOs Optimized for Specific CDMA Subsystems 4 Backup LDOs for Standby Mode Operation Ultra Low Standby Supply Current High Accuracy Battery Charger (0.7%) 3 Li-Ion Battery Charge Modes 5 mA Precharge Low Current Charge Full Current Charge Integrated RTC Ambient Temperature:
–30؇C to +85؇ C 64-Lead 7 mm ؋ 7 mm ؋ 1 mm TQFP Package APPLICATIONS CDMA/CDMA2000/PCS Handsets
CDMA Power Management System ADP3502
FUNCTIONAL BLOCK DIAGRAM
LOGIC BLOCK POWER ON DELAY 10ms ANALOG BLOCK BATTERY CHARGER
KEYPAD I/F
INTERRUPT CONTROL LDO CONTROL
REFERENCE
GPIO
LDO1 TO LDO11
SERIAL I/F
RESET
VOLTAGE.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | ADP3500 |
Analog Devices |
CDMA Power Management | |
2 | ADP3510 |
Analog Devices |
CDMA Power Management System | |
3 | ADP3522 |
Analog Devices |
GSM Power Management System | |
4 | ADP3000 |
Analog Devices |
Adjustable High Frequency Switching Regulator | |
5 | ADP3020 |
Analog Devices |
High-Efficiency Notebook Computer PowerSupply Controller | |
6 | ADP3025 |
Analog Devices |
High Efficiency Dual Output Power Supply Controller | |
7 | ADP3026 |
Analog Devices |
High-Efficiency Notebook Computer Power Supply Controller | |
8 | ADP3031 |
Analog Devices |
PWM Boost Switching Regulator | |
9 | ADP3041 |
Analog Devices |
TFT LCD Panel Power-Module | |
10 | ADP3050 |
Analog Devices |
1A High Voltage Step-Down Switching Regulator | |
11 | ADP3051 |
Analog Devices |
PWM Step Down DC-DC | |
12 | ADP3088 |
Analog Devices |
1 MHz/ 750 mA Buck Regulator |