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Overview
| Topology | High Voltage Output |
| Input voltage | 4.5-36 V |
| Output 1 | 14.4 V / 3 A |
| IC revision | 1.0 |
Description
Lead-acid batteries are widely used in battery-powered devices due to their advantages, such as a stable voltage, low price, simple maintenance, and high reliability. However, there are few chips on the market that are designed specifically for applications that charge lead-acid batteries.This reference design showcases a lead-acid battery charging solution. The solution uses the MP2659, a highly integrated switching charger designed for portable devices with 3-cell to 6-cell series Li-ion or Lipolymer battery packs.
Features
- Up to 36V Operating Input Voltage
- 45V Maximum Sustainable Voltage When Not Switching
- Up to 3A Charge Current
- 1-Cell, 12V Lead Acid Battery
- 0.5% Reference Voltage Accuracy
- Input Current Limit Regulation
- Minimum Input Voltage Regulation
- Charge Operation Indicator
- Dead Battery Pack Recovery
- Battery Over-Voltage Protection (OVP)
- Configurable Safety Timer
- Battery NTC Thermal Monitor
Typical applications
- Wireless Speakers
- Industrial Medical Equipment
- Robot and Portable Vacuum Cleaners
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012207078 | SPEC | 7 files | WCAP-CSGP MLCCs 25 V(DC) | 1 µF | ±10% | 25 | 0805 | -55 °C up to +125 °C | 5 | 0.5 GΩ | X7R Class II | 2 | 1.25 | 1.25 | 0.5 | 7" Tape & Reel | – | – | – | – | – | ||
| 885012208093 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | 1 µF | ±10% | 50 | 1206 | -55 °C up to +125 °C | 3 | 0.5 GΩ | X7R Class II | 3.2 | 1.6 | 1.6 | 0.6 | 7" Tape & Reel | – | – | – | – | – | ||
 | 744066100 | SPEC | 8 files | WE-TPC SMT Tiny Power Inductor | – | – | – | 1038 | -40 °C up to +125 °C | – | – | – | 10 | 10 | 3.8 | – | – | 10 | 3.9 | 4 | 20 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012207078 | SPEC | |
| 885012208093 | SPEC | |
| 744066100 | SPEC |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | Samples |
|---|