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LP3913

Texas Instruments
Part Number LP3913
Manufacturer Texas Instruments
Description Power Management
Published Jul 9, 2020
Detailed Description LP3913 www.ti.com SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013 LP3913 Power Management IC for Flash Memory-Based...
Datasheet PDF File LP3913 PDF File

LP3913
LP3913

Overview
LP3913 www.
ti.
com SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013 LP3913 Power Management IC for Flash Memory-Based Portable Media Players Check for Samples: LP3913 FEATURES 1 •2 2 Low-Dropout Regulators -- LDO1 is Used for General Purpose Applications, LDO2 is Used for Low-Noise Analog Applications.
Both LDOs Have Programmable Output Voltages.
• Green and Red LED Charger Status Drivers • 4-Channel 8-Bit Dual Slope A/D Converter • 3 High-Efficiency DVS Buck Converters • 400 kHz I2C Compatible Interface • Linear Constant-Current/Constant-Voltage Charger for Single Cell Lithium-Ion Batteries • USB and Adapter Charging • System Power Supply Management • 6x6 x 0.
8 mm 48 WQFN Package • Voltage and Thermal Supervisory Circuits • Continuous Battery Voltage Monitoring • Interrupt Request Output with 8 Sources • LP3913 is Pin-for-Pin and Software-Compatible with the LP3910 Hard Drive Based PMIC KEY SPECIFICATIONS • LDO1: 150 mA, 1.
2V–3.
3V • LDO2: 150 mA, 1.
3V–3.
3V • Buck1: 600 mA, 0.
8V–2.
0V • Buck2: 600 mA, 1.
8V–3.
3V • Buck3: 500 mA, 1.
8V–3.
3V • 50 mΩ Battery Path Resistance • 100 mA to 1000 mA Full-Rate Charge Current Using Wall Adapter • Selectable 0.
05C and 0.
1C EOC Current • USB Current Limit of 100 mA, 500 mA, and 800 mA • USB Pre-Qual Current of 50 mA • Selectable 4.
1V, 4.
2V or 4.
38V battery termination voltages • 0.
35% Battery Termination Accuracy • ±1 LSB INL/DNL on 8-bit A/D Converter APPLICATIONS • Flash-Based Portable Media Players • Portable Gaming Devices • Portable Navigation Systems DESCRIPTION The LP3913 is a programmable system power management unit that is optimized for Flash Memory based Portable Media Players.
The LP3913 incorporates 2 low-dropout LDO voltage regulators, 3 integrated Buck DC/DC converters with Dynamic Voltage Scaling (DVS), a 4-channel 8-bit A/D converter, and a dual source Li-Ion/polymer battery charger.
The charger has the capability to charge and maintain a single cell battery from a regulated wall adapter or USB power.
When bot...


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