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FEATURES Stand-Alone Li-Ion Battery Chargers High End-of-Charge Voltage Accuracy
؎0.4% @ +25؇C ؎0.75% @ –10؇C to +70؇C...
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FEATURES Stand-Alone Li-Ion Battery Chargers High End-of-Charge Voltage Accuracy
؎0.4% @ +25؇C ؎0.75% @ –10؇C to +70؇C Intelligent End-of-Charge Output Signal Pin Programmable Cell Number Select On Chip 3.3 V LDO
Regulator Programmable Charge Current with High Side Sense Softstart Charge Current Undervoltage Lockout Drives External PMOS ؎10% Adjustable End-of-Charge Voltage Charges NiCad, NiMH (with External Controller) PWM Oscillator Frequency: ADP3801: 200 kHz ADP3802: 500 kHz
APPLICATIONS Fast Chargers Universal Chargers Cellular Phones Portable Computers Portable Instrumentation Desktop Chargers Personal Digital Assistants
GENERAL DESCRIPTION The ADP3801 and ADP3802 are complete battery charging ICs. The devices combine a high accuracy final battery voltage control with a constant charge current control and an on-board Low Drop-Out
Regulator (LDO). The accuracy of the final battery voltage control is guaranteed to ± 0.75% to safely charge Li-Ion batteries. An internal...
