Demonstration Circuit 1568A is a 2A Monolithic Multi-Chemistry battery charger (Li-Ion/Polymer, LiFePO4, SLA, NiMH/NiCd) for solar power applications featuring the LT3652EDD.
The LT3652 is a complete mid-power Li-Ion battery charger that can operate over a wide input voltage range. The charger employs a 3.3V float voltage feedback reference that allows the battery float voltage to be adjusted up to 14.4V.
The LT3652 has an input voltage regulation loop which reduces charge current if the input falls below a programmed level, set with a resistor divider. The charger is a CC/CV charger with a maximum charge current of 2A. A precondition feature trickle charges a low-voltage battery, and bad battery detection provides a signal if the battery doesn’t respond to preconditioning.
| Manufacturer | Analog Devices Inc. |
|---|---|
| Category | Power Management |
| Sub-Category | Battery Chargers |
| Eval Board Part Number | 505-DC1568A-ND |
| Eval Board Supplier | Analog Devices Inc. |
| Eval Board |
Normally In Stock
|
| Cell Type |
Lithium Ion, Li-Ion
Lithium Polymer, Li-Pol |
| Configuration |
2 in Series
|
| Voltage In |
11.5 ~ 32 V
|
| Voltage Out |
8.2 V
|
| Current Out |
2 A
|
| Features |
Bad Battery Detection
Cell Preconditioning Cell Temperature Monitoring Fault Indication Shutdown, Enable, Standby Under Voltage Protection, Brown-Out |
| Quiescent Current [Typical] |
2.5 mA
|
| Sleep Mode Current [Typical] |
15 µA
|
| Component Count + Extras |
19 + 25
|
| Application / Target Market |
Portable Devices
Solar Powered Back-up |
| Design Author |
Linear Technology
|
| Main I.C. Base Part |
LT3652EDD
|
| Quiescent Current [Maximum] |
3.5 mA
|
| Sleep Mode Current [Maximum] | |
| Date Created By Author | |
| Date Added To Library | 2011-11 |
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