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R5438L - 1 to 3 Cells Li-Ion Battery Protection

Download the R5438L datasheet PDF. This datasheet also covers the R5437 variant, as both devices belong to the same 1 to 3 cells li-ion battery protection family and are provided as variant models within a single manufacturer datasheet.

General Description

No.

Pin No.

Key Features

  • High Voltage Tolerant Process Absolute Maximum Ratings.
  • 26 V.
  • Low Supply Current During Operation, Cell-voltage: 3.9 V, 3-Cells.
  • Typ. 0.85 µA.
  • High-accuracy Voltage Detection Overcharge Detector Threshold (VDET1n(1)).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (R5437-RICOHelectronicsdevicesdivision.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number R5438L
Manufacturer RICOH
File Size 790.78 KB
Description 1 to 3 Cells Li-Ion Battery Protection
Datasheet download datasheet R5438L Datasheet

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Other Datasheets by RICOH

Part Number Description
R5426x102CA LI-LON/POLYMER 1CELL PROTECTOR
R5426x104BB LI-LON/POLYMER 1CELL PROTECTOR
R5426x113CA LI-LON/POLYMER 1CELL PROTECTOR

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
R5438L Series 1 to 3 Cells Li-Ion Battery Protection IC for Secondary Protection No. EA-417-210518 OUTLINE The R5438L is an overcharge protection IC for 1 to 3 serial cells Li-ion / Li-polymer rechargeable battery. This device provides the high-accuracy voltage detection function and the shutdown function can reduce the supply current to the minimum when all cell’s voltage becomes less than the shutdown detection voltage. FEATURES  High Voltage Tolerant Process Absolute Maximum Ratings ··································· 26 V  Low Supply Current During Operation, Cell-voltage: 3.9 V, 3-Cells ············ Typ. 0.85 µA  High-accuracy Voltage Detection Overcharge Detector Threshold (VDET1n(1))················· 4.10 V to 4.