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SI9730 - Dual-Cell Lithium Ion Battery Control IC

Download the SI9730 datasheet PDF. This datasheet also covers the SI9 variant, as both devices belong to the same dual-cell lithium ion battery control ic family and are provided as variant models within a single manufacturer datasheet.

General Description

The Si9730 monitors the charging and discharging of dual-cell lithium-ion battery packs (carbon or coke chemistry) ensuring that battery capacity is fully utilized while ensuring safe operation.

Key Features

  • D D D D D D Over-Charge Protection Over-Discharge Protection Short Circuit Current Limiting Battery Open-Circuit Center Tap Protection Cell Voltage Balancing Undervoltage Lockout D D D D D D Individual Cell Voltage Monitoring Low Operating Current (30 mA) and Shutdown Current (1 mA) Internal N-Channel MOSFET Driver High Noise Immunity Accurate ("1.19%) Over-Charge Voltage Detection Four Different Cell Types Covered.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SI9-730.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SI9730
Manufacturer Vishay
File Size 116.33 KB
Description Dual-Cell Lithium Ion Battery Control IC
Datasheet download datasheet SI9730 Datasheet

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Other Datasheets by Vishay

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Si9730 Vishay Siliconix Dual-Cell Lithium Ion Battery Control IC FEATURES D D D D D D Over-Charge Protection Over-Discharge Protection Short Circuit Current Limiting Battery Open-Circuit Center Tap Protection Cell Voltage Balancing Undervoltage Lockout D D D D D D Individual Cell Voltage Monitoring Low Operating Current (30 mA) and Shutdown Current (1 mA) Internal N-Channel MOSFET Driver High Noise Immunity Accurate ("1.19%) Over-Charge Voltage Detection Four Different Cell Types Covered DESCRIPTION The Si9730 monitors the charging and discharging of dual-cell lithium-ion battery packs (carbon or coke chemistry) ensuring that battery capacity is fully utilized while ensuring safe operation.