Switched Fast Battery Charger Circuit TEA1102

A versatile circuit, ideal for technical services that do different mixed works, transformer etd29 winding directions used in the switching (smps) section, wire diameters are shown with pictures

Quick charge for Nicad, NiMH, LiION, SLA and Lead Acid batteries and accumulators 1.2Volt, 2.4Volt, 3.6Volt, 4.8Volt, 6Volt, 7.2Volt, 8.4Volt, 9.6Volt, 12Volt, 14.4Volt. For SLA and Lead Acid batteries Voltage limited charge and protection for voltage drop, excessive temperature rise (DT – DT for Nicad & NiMH)

There are full charge detection, short circuit protection and led indicators, there is also timing control for 4Ah 2Ah 1.2Ah circuit based on tea1102 hfc4093 hfc4020 integrated

TEA1102 charger Main Features

Quick charge Nicad, NiMH, LiION, SLA and Lead Acid batteries

Suitable for 1.2V to 4.2Ah plus LiION 3.6V, 7.2V and 14.4V 1.2V, 2.4V, 3.6V, 4.8V, 6V, 7.2V, 8.4V, 9.6V, 12V and 14.4V batteries.

Charges 6V or 12V SLA batteries from 1.2Ah to 4Ah.

Charges 6V or 12V Lead Acid batteries with any capacity over 1.2Ah.

Includes a discharger for Nicad batteries.

Additional charge at the end of fast charge, pulse trickle charge for Nicad & NiMH

Voltage limited charging for SLA and Lead Acid batteries

Voltage drop and temperature rise (dT/dt) full charge detection for Nicad and NiMH

Under- and over-temp cut-off for battery, Over-temp cut-off for Charger

Short circuit battery protection, Timeout protection, Fuse protection

Multi-LED charging indicators

Switched Battery Charger Project

TEA1102 Circuit diagram

source http://www.siliconchip.com.au/cms/A_101812/article.html http://www.siliconchip.com.au/cms/A_101728/article.html

TEA1102 Fast Battery Charger Circuit schematic pcb files alternative links: