Features

Integrated System Load Sharing and Battery
Charge Management
- Simultaneously Power the System and
Charge the Li-Ion Battery
- Voltage Proportional Current Control (VPCC)
ensures system load has priority over Li-Ion
battery charge current
- Low-Loss Power-Path Management with
Ideal Diode Operation
Complete Linear Charge Management Controller
- Integrated Pass Transistors
- Integrated Current Sense
- Integrated Reverse Discharge Protection
- Selectable Input Power Sources: USB Port or
AC-DC Wall Adapter
Preset High Accuracy Charge Voltage Options:
- 4.10V, 4.20V, 4.35V or 4.40V
- ?à0.5% Regulation Tolerance
Constant Current / Constant Voltage (CC/CV)
Operation with Thermal Regulation
Maximum 1.8A Total Input Current Control
Resistor Programmable Fast Charge Current
Control: 50 mA to 1A
Resistor Programmable Termination Set Point
Selectable USB Input Current Control
- Absolute Maximum: 100 mA (L) / 500 mA (H)
Automatic Recharge
Automatic End-of-Charge Control
Safety Timer With Timer Enable/Disable Control
0.1C Preconditioning for Deeply Depleted Cells
Battery Cell Temperature Monitor
Undervoltage Lockout (UVLO)
Low Battery Status Indicator (LBO)
Power-Good Status Indicator (PG)
Charge Status and Fault Condition Indicators
Numerous Selectable Options Available for a

Variety of Applications:
- Refer to Section 1.0 Electrical
Characteristics ± for Selectable Options
- Refer to the Product Identification
System ± for Standard Options
Temperature Range: -40 C to +85 C

Packaging: 20-Lead QFN (4 mm x 4 mm)

Applications

GPSs / Navigators
PDAs and Smart Phones
Port