Datasheet for LTC1732-4
LTC1732-4.2:
- Manufacturer Part Number : LTC1732-4
LTC1732-4.2 - Manufacturer : AD
- Description : Lithium-Ion Linear Battery Charger Controller
- Series : LTC1732-4
LTC1732-4.2 - Reference Price : USD 1.72
- 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 : LTC1732-4
LTC1732-4.2 - 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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LTC1732-4.2. If you need any more information about LTC1732-4
LTC1732-4.2, you can also send us by email. Our email is [email protected], we will reply you in 12 hours.
LTC1732-4.2
LTC1732-4.2
LTC1732-4.2
The LTC1732 is a complete constant-current/constant-voltage linear charge controller for lithium-ion (Li-Ion) batteries. Nickel-cadmium (NiCd) and nickel metal-hydride (NiMH) batteries can also be charged with constant current using external termination. Charge current can be programmed with 7% (max) accuracy using external sense and program resistors. An internal resistor divider and precision reference set the final float voltage with 1% accuracy. The SEL pin allows users to charge either 4.1V or 4.2V cells.
When the input supply is removed, the LTC1732 automatically enters a low current sleep mode, dropping the battery drain current to 7µA. An internal comparator detects the end-of-charge (C/10) condition while a programmable timer, using an external capacitor, sets the total charge time. Fully discharged cells are automatically trickle charged at 10% of the programmed current until cell voltage exceeds 2.457V.
The LTC1732 begins a new charge cycle when a discharged battery is connected to the charger or when the input power is applied. In addition, if the battery remains connected to the charger and the cell voltage drops below 3.8V for the LTC1732-4 or below 4.05V for the LTC1732-4.2, a new charge cycle will begin.
The LTC1732 is available in the 10-pin MSOP package.
| Float Voltage | Recharge Voltage | |
| LTC1732-4 | 4.1V or 4.2V (pin select) | 3.8V |
| LTC1732-4.2 | 4.2V | 4.05V |
| LTC1732-8.4 | 8.4V | 8.05V |
Applications
- Cellular Phones
- Handheld Computers
- Charging Docks and Cradles
LTC1732-4.2
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.
LTC1732-4.2 More photos
