TEA1103T

INTEGRATED CIRCUITS DATA SHEET TEA1103; TEA1103T; TEA1103TS Fast charge ICs for NiCd and NiMH batteries Preliminary specification Supersedes data of 1997 Oct 09 File under Integrated Circuits, IC03 1999 Jan 27 Philips Semiconductors Preliminary specification Fast charge ICs for NiCd and NiMH batteries FEATURES Safe and fast charging of Nickel Cadmium (NiCd) and Nickel Metal Hydride (NiMH) batteries Pin compatible with the TEA1102x, fast charge ICs for LiIon, SLA, NiCd and NiMH batteries Three charge states for NiCd or NiMH; fast, top-off and trickle or voltage regulation (optional) Adjustable fast charge current [0.5CA to 5CA nominal (CA = Capacity Amperes)] DC top-off and pulsating trickle charge current (NiCd and NiMH) Temperature dependent ∆T/∆t battery full detection Automatic switch-over to accurate peak voltage detection (−1⁄4%) if no NTC is applied Possibility to use both ∆T/∆t and peak voltage detection as main fast charge termination Support of inhibit during all charging states Manual refresh with regulated adjustable discharge current (NiCd and NiMH) Voltage regulation in the event of no battery Support of battery voltage based charge indication and buzzer signalling at battery insertion, end of refresh and at full detection Single, dual and separate LED outputs for indication of charge status state Minimum and maximum temperature protection Time-out protection Short-circuit battery voltage protection Can be applied with few low...