HomedatasheetBQ2004HSN

BQ2004HSN Datasheet

Battery Management
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Description

The bq2004E and BQ2004HSN Fast Charge ICs provide comprehensive fast charge control functions togetherwith high-speed switching power control circuitry on a monolithic CMOS device. Integration of closed-loop current control circuitry allows the bq2004 to be the basis of a cost-effective solution for stand-alone and systemintegrated chargers for batteries of one or more cells. Switch-activated discharge-beforecharge allows bq2004E/H-based chargers to support battery conditioning and capacity determination. High-efficiency power conversion is accomplished using the bq2004E/H as a hysteretic PWM controller for switch-mode regulation of the charging current. The bq2004E/H may alternatively be used to gate an externally regulated charging current. Fast charge may begin on application of the charging supply, replacement of the battery, or switch depression. For safety, fast charge is inhibited unless/until the battery temperature and voltage are within configured limits. BQ2004HSN Features &bull; Fast charge and conditioning of nickel cadmium or nickel-metal hydride batteries&bull; Hysteretic PWM switch-mode current regulation or gated control of an external regulator&bull; Easily integrated into systems or used as a stand-alone charger&bull; Pre-charge qualification of temperature and voltage&bull; Configurable, direct LED outputs display battery and charge status&bull; Fast-charge termination by temperature/ time, peak volume detection, -V, maximum voltage, maximum temperature, and maximum time&bull; Optional top-off charge and pulsed current maintenance charging&bull; Logic-level controlled low-power mode (< 5&micro;A standby current)
Features

Parameters

[{"Name":"Operating Supply Voltage:","Value":"5 V"},{"Name":"Maximum Operating Temperature:","Value":"+ 70 C"},{"Name":" Minimum Operating Temperature:","Value":"- 20 C"},{"Name":"Package / Case:","Value":"SOIC-16"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SEIKO INSTRUMENTS

Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.


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