GalaxyElec TP5100 Lithium Battery Charge Management Module User Manual

1. Produktüberschreitungview

The GalaxyElec TP5100 is a versatile double switch buck charge management chip designed for 8.4V dual-cell and 4.2V single-cell lithium batteries. Its compact QFN16 package and simplified external circuitry make it suitable for portable equipment requiring high-current charging. The module integrates various protection features, including input overcurrent, undervoltage, over-temperature, short-circuit, battery temperature monitoring, and reverse battery protection.

Es unterstützt eine breite Eingangslautstärketage range of 5V-18V and features a three-phase charging process: trickle charge, constant current, and constant voltage. The pre-charge and trickle charge currents are adjustable via an external resistor, with a maximum charge current of up to 2A. The 400kHz switching frequency allows for smaller external components and efficient heat management during high-current charging. The built-in power PMOSFET and anti-intrusion circuit eliminate the need for external Schottky diodes for reverse protection.

2. Hauptmerkmale

• Supports double 8.4V / single 4.2V lithium battery charging.
• Programmable charge current from 0.1A to 2A.
• Programmable steady precharge current (10%-100%).
• Breites Betriebsvolumentage, up to 18V.
• Red and green LED indicators for charge status.
• Integrated chip temperature protection, overcurrent protection, and undervoltage Schutz.
• Battery temperature protection, reverse battery shutdown, and short circuit protection.
• Switching frequency of 400kHz, compatible with 20uH and larger inductances.
• PWR_ON pin for power battery switching control.

3. Produktkomponenten

Abbildung 1: Oben view of the TP5100 module. This image displays the main components including the large inductor, the TP5100 integrated circuit, and various resistors and capacitors on the green PCB.

Abbildung 2: Schräg view of the TP5100 module. This perspective shows the layout of the components and the solder pads for input, output, and battery connections.

4. Einrichtung und Verbindung

Before connecting the TP5100 module, ensure all power sources are disconnected. Observe proper polarity for all connections to prevent damage to the module or connected devices.

4.1 Eingangsstromanschluss

• Connect a DC power source (5V-18V) to the input terminals (typically marked VIN+ and VIN- or similar).
• Stellen Sie sicher, dass die Eingangslautstärketage is within the specified range to avoid overvoltage oder undervoltage Bedingungen.

4.2 Batterieanschluss

• Connect the lithium battery (single cell 4.2V or double cell 8.4V) to the battery terminals (typically marked BAT+ and BAT-).
• Verify the battery type and voltage match the module's configuration (single or double cell).
• The module automatically detects the battery configuration (4.2V or 8.4V) and adjusts charging parameters accordingly.

4.3 Output Connection (Optional)

• If the module provides a separate output for load, connect your load to these terminals.
• Note that the PWR_ON pin can be used for switching control of the power battery. Consult the datasheet for specific implementation details.

5. Bedienungsanleitung

Once properly connected, the TP5100 module will begin the charging process automatically.

5.1 Ladevorgang

• Erhaltungsladung: Wenn die Batterieladungtage is very low, the module will start with a low current trickle charge.
• Konstantstrom (CC): Sobald die Batterievoltage reaches a certain threshold, the module switches to constant current charging, delivering the programmed charge current.
• Konstante Lautstärketage (Lebenslauf): As the battery approaches full charge, the module enters constant voltage mode, reducing the current until the battery is fully charged.

5.2 LED-Anzeigen

• Rote LED: Typically indicates charging in progress.
• Grüne LED: Typically indicates charging complete or standby.
• Note: Specific LED behavior may vary slightly depending on the module's exact implementation.

5.3 Aktuelle Anpassung

The charge current (0.1A-2A) and precharge current (10%-100%) are programmable via external resistors. Refer to the TP5100 datasheet for detailed resistor value calculations and connection diagrams for current setting.

6. Wartung und Pflege

• Halten Sie das Modul sauber und frei von Staub und Feuchtigkeit.
• Vermeiden Sie, das Modul extremen Temperaturen oder direkter Sonneneinstrahlung auszusetzen.
• Do not apply excessive force or bend the PCB.
• Ensure adequate ventilation, especially during high-current charging, to prevent overheating.
• Überprüfen Sie die Verbindungen regelmäßig auf Lockerung oder Korrosion.

7. Fehlerbehebung

7.1 Module Not Charging

• Eingangsleistung prüfen: Überprüfen Sie, ob die Eingangslautstärketage is within the 5V-18V range and the power supply is capable of providing sufficient current.
• Batterieanschluss prüfen: Ensure the battery is correctly connected with proper polarity to the BAT+ and BAT- terminals.
• Batterie Voltage: Wenn die Batterieladungtage is extremely low, the module might be in a protective state or require a very slow trickle charge.
• LED-Anzeigen: Observe the LED status for any error indications.

7.2 Überhitzung

• Reduce Charge Current: If the module is getting excessively hot, consider reducing the programmed charge current.
• Belüftung verbessern: Ensure the module has adequate airflow.
• Last prüfen: If an external load is connected, ensure it is not drawing excessive current.

7.3 Incorrect Charge Voltage

• Batteriekonfiguration: Confirm the module is correctly configured for a single (4.2V) or double (8.4V) cell battery. The TP5100 typically auto-detects, but ensure the battery type is compatible.
• Faulty Battery: A damaged or unbalanced battery pack can lead to incorrect charging.

8. Spezifikationen

Absolut beste Bewertungen:

• Static Input Supply Voltage (VIN): 20V
• BAT Pin Voltage: -8.4 V bis 20 V
• BAT Short-Circuit Duration: Continuous

9. Anwendungsbereiche

• Portable electronic equipment
• Various battery chargers
• Smartphones and PDAs
• Mobile Geräte

10. Garantie und Support

Für dieses Produkt gilt die standardmäßige Herstellergarantie gegen Material- und Verarbeitungsfehler. Die genauen Garantiebedingungen finden Sie auf der Produktverpackung oder erhalten Sie bei Ihrem Händler.

For technical support, troubleshooting assistance, or further inquiries, please contact GalaxyElec customer service through their official channels or the retailer from whom the product was purchased.