Datasheet for LT3652:
- Manufacturer Part Number : LT3652
- Manufacturer : AD
- Description : Power Tracking 2A Battery Charger for Solar Power
- Series : LT3652
- Reference Price : USD 2.44
- Our Price : We have a better price, contact us by email
- Product Type : Energy Harvesting
- Function : -
- 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 : LT3652
- 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 LT3652 is a complete monolithic step-down battery charger that operates over a 4.95V to 32V input voltage range. The LT3652 provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A. The charger employs a 3.3V float voltage feedback reference, so any desired battery float voltage up to 14.4V can be programmed with a resistor divider.
The LT3652 employs an input voltage regulation loop, which reduces charge current if the input voltage falls below a programmed level, set with a resistor divider. When the LT3652 is powered by a solar panel, the input regulation loop is used to maintain the panel at peak output power.
The LT3652 can be configured to terminate charging when charge current falls below 1/10 of the programmed maximum (C/10). Once charging is terminated, the LT3652 enters a low-current (85μA) standby mode. An auto-recharge feature starts a new charging cycle if the battery voltage falls 2.5% below the programmed float voltage. The LT3652 also contains a programmable safety timer, used to terminate charging after a desired time is reached. This allows top-off charging at currents less than C/10.
| VIN Max | VFLOAT Max | Features | |
| LT3652 | 32V | 14.4V | Internal Reverse Blocking VBAT < 4.2V |
| LT3652HV | 34V | 18V | QFN-32 |
Applications
- Solar Powered Applications
- Remote Monitoring Stations
- LiFePO4 (Lithium Phosphate) Applications
- Portable Handheld Instruments
- 12V to 24V Automotive 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.
