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TEA1103

NXP
Part Number TEA1103
Manufacturer NXP
Description Fast charger
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TEA1103; TEA1103T; TEA1103TS Fast charge ICs for NiCd and NiMH batteries Preliminary sp...
Datasheet PDF File TEA1103 PDF File

TEA1103
TEA1103

Overview
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-cost external components.
ORDERING INFORMATION TYPE NUMBER TEA1103 TEA1103T TEA1103TS PACKAGE NAME DIP20 SO20 SSOP20 DESCRIPTION plastic dual in-line package; 20 leads (300 mil) TEA1103; TEA1103T; TEA1103TS GENERAL DESCRIPTION The TEA1103x are fast charge ICs which are able to fast charge NiCd and NiMH batteries.
The main fast charge termination for NiCd and NiMH batteries are ∆T/∆t and peak voltage detection, both of which are well proven techniques.
The TEA1103x automatically switches over f...


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