Description:
1. The TP5100 is a switching step-down dual section 8.4v/single section 4.2v lithium battery charging management chip. Its QFN16 subcompact package and simple peripheral circuits make the TP5100 ideal for high-current charging management applications in portable devices.
2. Meanwhile,TP5100 has built-in input overcurrent, undervoltage protection, chip overtemperature protection, short-circuit protection, battery temperature monitoring and battery reverse connection protection.
3. The TP5100 has a wide input voltage of 5v-18v, and the battery charging is divided into three stages: trickle precharging, constant current and constant voltage. The trickle precharging current and constant current charging current are adjusted by external electric Yang, and the maximum charging current reaches 2A.
4. The TP5100 uses a switch mode with a ton rate of 400kHz, allowing it to use smaller peripherals and retain less heat during high current charging.
5. TP5100 built-in power PMOSFET, anti-inverse concentration circuit, so no need to prevent backflow schottky diode and other peripheral protection.
Feature:
1. Built-in power MOSFET, switching mode, less heating, simple peripheral.
2. Programmable charging current, 0.1A –2A.
3. Programmable precharge current, 10–100.
4. There is no need to connect and reverse schottky diodes.
5. Wide working voltage up to 18V.
6. Red and green LED charging status indicator.
7. Chip temperature protection, overcurrent protection, undervoltage protection.
8. Battery temperature protection, battery reverse shutdown, short circuit protection.
9. Switch frequency 400KHz, available inductance 20uH and above.
10. PWR _0N- power and battery switching control.
11. Accuracy of charging voltage control less than 1.
12. Steady flow, constant flow and constant voltage charge to protect the battery.
Application:
Portable equipment, various chargers.
Smartphones, pdas, cell phones.
MP4, MP5 player, tablet.
Model aircraft.
Electric tools.
Intercom.
Specification:
Product size: 25mm x 16mm x 5mm/0.98 x 0.62 x 0.19
Package weight: 4g
Absolute maximum rating:
Static input voltage VIN: 20V
BAT: – 8. 4V ~ 20V
BAT short circuit duration: continuous
Maximum junction temperature: 120℃
Working environment temperature range: -40℃-85℃
Storage temperature range: -65℃ -125℃
Pin temperature welding time 10 seconds: 260℃
Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
1 X TP5100 Charging Circuit Board
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