TEA1103 is a fast charge IC for NiCd and NiMH batteries. It features safe and fast charging, adjustable fast charge current, temperature dependent battery full detection, etc.
This document is a preliminary specification datasheet for the Philips TEA1103, TEA1103T, and TEA1103TS integrated circuits. These chips are designed for the safe and fast charging of Nickel Cadmium (NiCd) and Nickel Metal Hydride (NiMH) batteries. The ICs support adjustable fast charge currents, automatic switch-over to peak voltage detection if a temperature sensor is missing, and various charge states including fast, top-off, and trickle charging.
| Supply Voltage | 5.5 - 11.6 V |
|---|---|
| Supply Current (outputs off) | 4 mA |
| Fast Charge Current | 10 - 100 mA |
| Maximum Battery Charge Current | 10 mA |
| Maximum Load Current (no battery) | 40 mA |
| Oscillator Frequency | 10 - 200 kHz |
| Regulating Voltage | 1.325 V |
| Open Battery Voltage | 1.9 V |
The TEA1103 series supports fast charging for Nickel Cadmium (NiCd) and Nickel Metal Hydride (NiMH) batteries.
Yes, the IC automatically switches over to accurate peak voltage detection if no NTC is applied.
The IC is available in DIP20, SOT163 (TEA1103T), and SSOP20 (TEA1103TS) packages.