Datasheet for LTC4068EDD-4.2#PBF:
- Manufacturer Part Number : LTC4068EDD-4.2#PBF
- Manufacturer : AD
- Description : Standalone Linear Li-Ion Battery Charger with Programmable Termination IC
- Series : LTC4068-4.2
- Reference Price : USD 1.36
- Our Price : We have a better price, contact us by email
- Product Type : Battery Management
- Function : Battery Charger IC
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)
- Pins : 8
- MFG Package Case : 05-08-1698
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 121
- Working Temperature : -40 to 125C
- Other Part Number : LTC4068EDD-4.2#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC4068 is a complete constant-current/constantvoltage linear charger for single cell lithium-ion batteries. Its DFN package and low external component count make the LTC4068 ideally suited for portable applications. Furthermore, the LTC4068 is designed to work within USB power specifications.
No external sense resistor or external blocking diode are required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature conditions. The charge voltage is fixed at 4.2V and the charge current is programmed with a resistor. The LTC4068 terminates the charge cycle when the charge current drops below the programmed termination threshold after the final float voltage is reached.
When the input supply (wall adapter or USB supply) is removed, the LTC4068 enters a low current state dropping the battery drain current to less than 2µA. Other features include charge current monitor, undervoltage lockout, automatic recharge and status pins to indicate charge termination and the presence of adequate input voltage.
Protected by U.S. Patents, including 6522118.
Applications
- Cellular Telephones, PDAs, MP3 Players
- Bluetooth Applications
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
