74LV4799 - Timer

Datasheet Summary

Description

The 74LV4799 is a low-voltage Si-gate CMOS control IC for battery management.

17-stage divider 10-stage up/down counter Control logic Integrated precision oscillator (using external timing components) Automatic power-ON reset

Philips

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Datasheet Details

Part number	74LV4799
Manufacturer	Philips
File Size	162.33 KB
Description	Timer
Datasheet	74LV4799 Datasheet
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Full PDF Text Transcription

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INTEGRATED CIRCUITS 74LV4799 Timer for NiCd and NiMH chargers Product specification Supersedes data of 1998 Apr 07 IC24 Data Handbook 1998 Apr 20 Philips Semiconductors Philips Semiconductors Product specification Timer for NiCd and NiMH chargers 74LV4799 FEATURES applications • Wide supply voltage range of 0.9 V to 6 V allows 1 to 4-cell • 10 V allowed on special inputs • Supports virtually all battery chargers, including switched-mode • On-chip timer calculates the actual capacity of the battery by • Automatic switch-over to trickle charge after completion of the • Can be adjusted for use with different types of batteries: – Charge time: 4 to 16 hours – Discharge time: 15 minutes to 4.

Published: Apr 23, 2005 |