LP3918 - Texas Instruments

LP3918 Battery Charge Management/Regulator

The LP3918 is a fully integrated charger and multiregulator unit designed for CDMA cellular phones. The LP3918 contains a Li-Ion battery charger, 7 low noise low dropout (LDO) voltage regulators and a high-speed serial interface to program on/off conditions and output voltages of individual regulators, and also to read status information from the PMU. The Li.

Features

1
•2 Fully Integrated Li-Ion Battery Charger with Thermal Regulation
• USB Charge Mode
• 7 Low Noise LDO’s
  – 2 x 300 mA
  – 3 x 150 mA
  – 2 x 80 mA
• I2C Compatible Interface for Controlling LDO Outputs and Charger Operation
• Thermal Shutdown
• Under Voltage Lockout
• 25-Bump Thin DSBGA Package 2.5 x 2.5 mm
• Options Available on Request, Please Contact Sales Office for Further Information;
  – Level Detect on HF_PWR & PWR_ON
  – LDO Charging Mode
  – Custom Default Settings on Charger, and LDO O/P's. APPLICATIONS
• CDMA Phone Handsets
• Low Power Wireless Handsets
• Handheld Information Appliances
• .