Datasheet for LTC4012:
- Manufacturer Part Number : LTC4012
- Manufacturer : AD
- Description : High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control
- Series : LTC4012
- Reference Price : USD 2.52
- 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: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LTC4012
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
Contact us to check the best price and real time inventory quantity for LTC4012. If you need any more information about LTC4012, you can also send us by email. Our email is [email protected], we will reply you in 12 hours.
The LTC4012 is a constant-current /constant-voltage battery charger controller. It uses a synchronous quasi-constant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors. Charge current is set by external resistors and can be monitored as an output voltage. With no built-in termination, the LTC4012 family charges a wide range of batteries under external control.
The LTC4012 features fully adjustable output voltage, while the LTC4012-1 and LTC4012-2 can be pin-programmed for Lithium-Ion/Polymer battery packs of 1-, 2-, 3- or 4-series cells. The LTC4012-1 provides output voltage of 4.1V/cell and the LTC4012-2 is a 4.2V/cell version.
The device includes AC adapter input current limiting, which maximizes charge rate for a fixed input power level. An external sense resistor programs the input current limit, and the ICL status pin indicates reduced charge current as a result of AC adapter current limiting. Ideal diode control at the adaptor input improves charger efficiency.
The CHRG status pin is active during all charging modes, including special indication for low charge current.
| Vfloat | Vfloat Range | /ACP Pin | |
| LTC4012 | Adj. | 2V-28V | Yes |
| LTC4012-1 | 4.1V | 1-4 Li-Ion Cells | Yes |
| LTC4012-2 | 4.2V | 1-4 Li-Ion Cells | Yes |
| LTC4012-3 | Adj. | 2V-28V | No |
Applications
- Notebook Computers
- Portable Instruments
- Battery Backup Systems
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.
