Datasheet4U Logo Datasheet4U.com

LP3921 - Battery Charger Management/Regulator

Datasheet Summary

Description

The LP3921 is a fully integrated charger and multiregulator unit with a fully differential Boomer audio power amplifier designed for CDMA cellular phones.

Features

  • 1.
  • 23 Charger.
  • DC Adapter or USB Input.
  • Thermally Regulated Charge Current.
  • Under Voltage Lockout.
  • 50 to 950 mA Programmable Charge Current.
  • 3.0V to 5.5V Input Voltage Range.
  • Thermal Shutdown.
  • I2C-Compatible Interface for Controlling Charger, LDO Outputs and Enabling Audio Output.
  • LDO's 7 Low-Noise LDO’s.
  • 2 x 300 mA.
  • 3 x 150 mA.
  • 2 x 80 mA 2% (typ. ) Output Voltage Accuracy on LDO's.

📥 Download Datasheet

Datasheet preview – LP3921

Datasheet Details

Part number LP3921
Manufacturer Texas Instruments
File Size 1.04 MB
Description Battery Charger Management/Regulator
Datasheet download datasheet LP3921 Datasheet
Additional preview pages of the LP3921 datasheet.

📁 Similar Datasheet

  • LP3921 - Battery Charger Management/Regulator (National Semiconductor)
  • LP3923 - Cellular Phone Power Management (National Semiconductor)
  • LP3927 - Cellular/PCS System Power Management (National Semiconductor)
  • LP3928 - High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator (National Semiconductor)
  • LP3929 - High Speed Bi-Directional Level Shifter and Ultra Low-Dropout CMOS Voltage Regulator (National Semiconductor)
  • LP3905 - Power Management Unit For Low Power Handheld Applications (National Semiconductor)
  • LP3906 - Dual High Current Step Down DC/DC and Dual Linear Regulator (National Semiconductor)
  • LP3907 - Dual High-Current Step-Down DC/DC and Dual Linear Regulator (National Semiconductor)
  • LP3910 - Power Management (National Semiconductor)
  • LP3913 - Power Management (National Semiconductor)
Other Datasheets by Texas Instruments
  • LP3923 - Cellular Phone Power Management
  • LP3905 - Power Management
  • LP3906 - Dual High-Current Step-Down DC/DC and Dual Linear Regulator
  • LP3907 - Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO
  • LP3907-Q1 - Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO
  • LP3910 - Power Management
  • LP3913 - Power Management
  • LP3918 - Battery Charge Management/Regulator

Full PDF Text Transcription

Click to expand full text
LP3921 www.ti.com SNVS580A – AUGUST 2008 – REVISED MAY 2013 LP3921 Battery Charger Management and Regulator Unit with Integrated Boomer™ Audio Amplifier Check for Samples: LP3921 FEATURES 1 •23 Charger – DC Adapter or USB Input – Thermally Regulated Charge Current – Under Voltage Lockout – 50 to 950 mA Programmable Charge Current • 3.0V to 5.5V Input Voltage Range • Thermal Shutdown • I2C-Compatible Interface for Controlling Charger, LDO Outputs and Enabling Audio Output • LDO's 7 Low-Noise LDO’s – 2 x 300 mA – 3 x 150 mA – 2 x 80 mA 2% (typ.
Published: |