Product Summary

The LTC4002ES8-8.4 is a complete battery charger controller for one (4.2V) or two (8.4V) cell lithium-ion batteries. With a 500kHz switching frequency, the LTC4002ES8-8.4 provides a small, simple and efficient solution to fast charge Li-Ion batteries from a wide range of supply voltages. The LTC4002ES8-8.4 is available in the 8-lead SO and 10-lead DFN packages. The applications of LTC4002ES8-8.4 are: (1)Portable Computers; (2)Charging Docks; (3)Handheld Instruments.

Parametrics

LTC4002ES8-8.4 absolute maximum ratings: (1)Supply Voltage (VCC): 24V; (2)GATE: (VCC –8V) to VCC; (3)BAT, SENSE: –0.3V to 14V; (4)CHRG, NTC: – 0.3V to 8V; (5)Operating Temperature Range: –40℃ to 85℃; (6)Storage Temperature Range: –65℃ to 125℃; (7)Lead Temperature: 300℃.

Features

LTC4002ES8-8.4 features: (1)±1% Charge Voltage Accuracy; (2)End-of-Charge Current Detection Output; (3)3 Hour Charge Termination Timer; (4)Constant Switching Frequency for Minimum Noise; (5)±5% Charge Current Accuracy; (6)Low 10μA Reverse Battery Drain Current; (7)Automatic Battery Recharge; (8)Automatic Shutdown When Input Supply is Removed; (9)Automatic Trickle Charging of Low Voltage Batteries; (10)Stable with Ceramic Output Capacitor; (11)8-Lead SO and 10-Lead DFN Packages.

Diagrams

LTC4002ES8-8.4 TYPICAL APPLICATION

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC4002ES8-8.4
LTC4002ES8-8.4


IC BATT CHARGER SW LI-ION 8SOIC

Data Sheet

0-3600: $1.15
LTC4002ES8-8.4#PBF
LTC4002ES8-8.4#PBF


IC CHARGER BATTERY LI-ION 8-SOIC

Data Sheet

0-1: $2.11
1-25: $1.40
25-100: $1.15
LTC4002ES8-8.4#TR
LTC4002ES8-8.4#TR


IC BATT CHARGER SW LI-ION 8SOIC

Data Sheet

0-5000: $1.18
LTC4002ES8-8.4#TRPBF
LTC4002ES8-8.4#TRPBF


IC CHARGER BATTERY LI-ION 8-SOIC

Data Sheet

0-2500: $1.18