GalaxyElec TP5100 Lithium Battery Charge Management Module User Manual

1. Ürün Bittiview

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.

Geniş bir giriş hacmini desteklertage 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. Temel Özellikler

• Supports double 8.4V / single 4.2V lithium battery charging.
• Programmable charge current from 0.1A to 2A.
• Programmable steady precharge current (10%-100%).
• Geniş çalışma hacmitage, up to 18V.
• Red and green LED indicators for charge status.
• Integrated chip temperature protection, overcurrent protection, and undervoltage koruma.
• 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. Ürün Bileşenleri

Şekil 1: Üst 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.

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

4. Kurulum ve Bağlantı

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 Giriş Gücü Bağlantısı

• Connect a DC power source (5V-18V) to the input terminals (typically marked VIN+ and VIN- or similar).
• Giriş hacmini sağlayıntage is within the specified range to avoid overvoltage veya düşük hacimtagve koşullar.

4.2 Akü Bağlantısı

• 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. Kullanım Talimatları

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

5.1 Şarj İşlemi

• Damlama Şarjı: Eğer pil hacmitage is very low, the module will start with a low current trickle charge.
• Sabit Akım (CC): Bir kez pil voltage reaches a certain threshold, the module switches to constant current charging, delivering the programmed charge current.
• Sabit Hacimtage (CV): As the battery approaches full charge, the module enters constant voltage mode, reducing the current until the battery is fully charged.

5.2 LED Göstergeleri

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

5.3 Akım Ayarlaması

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. Bakım ve Özen

• Modülü temiz tutun ve tozdan ve nemden uzak tutun.
• Modülü aşırı sıcaklıklara veya doğrudan güneş ışığına maruz bırakmaktan kaçının.
• Do not apply excessive force or bend the PCB.
• Ensure adequate ventilation, especially during high-current charging, to prevent overheating.
• Regularly inspect connections for looseness or corrosion.

7. Sorun Giderme

7.1 Module Not Charging

• Giriş gücünü kontrol edin: Giriş hacminin doğrulandığını doğrulayıntage is within the 5V-18V range and the power supply is capable of providing sufficient current.
• Pil Bağlantısını Kontrol Edin: Ensure the battery is correctly connected with proper polarity to the BAT+ and BAT- terminals.
• Pil Hacmitage: Eğer pil hacmitage is extremely low, the module might be in a protective state or require a very slow trickle charge.
• LED Göstergeleri: Observe the LED status for any error indications.

7.2 Aşırı ısınma

• Reduce Charge Current: If the module is getting excessively hot, consider reducing the programmed charge current.
• Improve Ventilation: Ensure the module has adequate airflow.
• Yükü Kontrol Et: If an external load is connected, ensure it is not drawing excessive current.

7.3 Incorrect Charge Voltage

• Pil Yapılandırması: 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.
• Arızalı Pil: A damaged or unbalanced battery pack can lead to incorrect charging.

8. Özellikler

Mutlak Maksimum Puanlar:

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

9. Uygulama Alanları

• Portable electronic equipment
• Various battery chargers
• Smartphones and PDAs
• Mobil cihazlar

10. Garanti ve Destek

This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the product packaging or contact your retailer.

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.