• Part: R5437L305AA
  • Description: 1 to 3 Cells Li-Ion Battery Protection
  • Manufacturer: RICOH
  • Size: 778.08 KB
R5437L305AA Datasheet (PDF) Download
RICOH
R5437L305AA

Description

CELL1 Plus Pin CELL2 Plus Pin IC Ground Pin CELL3 Plus Pin Power Supply Pin Overcharge Detection Output Pin 4 Item VDD Power Supply Voltage VC1 VC2 VC3 VCOUT PD Tj Tstg CELL1 Plus Pin Input Voltage CELL2 Plus Pin Input Voltage CELL3 Plus Pin Input Voltage COUT Pin Output Voltage Power Dissipation (Standard Land Pattern) Junction Temperature Range Storage Temperature Range R5437L No.

Key Features

  • High Voltage Tolerant Process
  • 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 4.65 V, in 5 mV step Overcharge Detector Threshold Accuracy
  • ± 0.02 V (Ta = 25°C) ± 0.025 V (0°C ≤ Ta ≤ 60°C) Overcharge Release Voltage (VREL1n(1))
  • 2-, 4-, or 6-sec with Delay Time Shortening Function(2) Overcharge Release Voltage Condition
  • Voltage Release Type
  • COUT Output (CMOS Output, Active-high)
  • Shutdown Functions

Applications

  • Li-Ion or Li-Polymer Battery Protection