R5434D Series 2 to 5 Serial Cell Li-Ion / Li-Polymer Battery Protection IC for Secondary Protection NO.EA-267-201201 OUTLINES The R5434D is an overcharge protection IC for 2 to 5 serial Li-ion/Li-polymer secondary battery. When an overcharge is detected, after the IC internally fixed delay time, the output of COUT becomes. After detecting the overcharge, when the cell voltage becomes lower than the overcharge release voltage, the overcharge state is released. By forcing VDD+3.0V or more to the CTLC pin, the test time of protection circuit board can be shortened, and overcharge delay time becomes about 1/30. The output type is CMOS. FEATURES Manufactured with High Voltage Tolerant Process Absolute Maximum Rating 30V Low Supply Current Cell Voltage 3.9V, for 5-cell Typ. 3.0A High-accuracy Detector Threshold Overcharge Detector 25mV (Ta=25C) Variety of Detector Threshold (1) Overcharge Detector Threshold (VDET1n ) 3.6V - 4.6V (in 5mV step) (1) Overcharge Release Voltage (VREL1n ) VDET1n - 0.1V to VDET1n - 0.4V (in 50mV steps) Overcharge Detector Output Delay Typ.1.5s Overcharge Released Condition Voltage Released Type 2 to 5 Cells Selectable Protection COUT Output (CMOS Output, Active-high) Typ. 3.7V (Low at normal times, High at detecting times) Overcharge Delay Time Shortening Function with CTLC pin VDD+3.0V or more 1sec to about 1/30 2.0V to VDD-2.0V about 4ms. Small Package SON-8 APPLICATIONS Li-ion or Li-polymer Battery Protection (1) VDET1n, VREL1n : n =1, 2, 3, 4, 5 1 R5434D NO.EA-267-201201 SELECTION GUIDE The overcharge and the delay time are user-selectable options. Selection Guide Product Name Package Quantity per Reel Pb Free Halogen Free SON-8 3,000 pcs Yes Yes R5434Dxxx -TR -FE xxx: Specify the combination of the overcharge detector threshold (VDET1n) and the overcharge release (1) voltage (VREL1n) . (2) VDET1n : 3.6 V to 4.6 V in 5 mV step (2) VREL1n : VDET1n 0.1 V to VDET1n 0.4 V in 50 mV step : Specify the delay time option. A: Overcharge Detection Delay Time (tVDET1) : 1.5s : Specify the overcharge release option. A: Voltage Released Type Product Code List The product code is determined by the combination of the set output voltage (overcharge detection voltage: V , overcharge release voltage: V ), the delay time (overcharge detection delay time: t ), and the DET1n REL1n VDET1 overcharge release options. Overcharge Detection Set Voltages V Delay Time s Product Code Overcharge Released Type VDET1n VREL1n tVDET1 R5434D401AA 4.300 4.000 1.5 Voltage Release R5434D402AA 4.220 4.120 1.5 Voltage Release R5434D403AA 4.250 4.000 1.5 Voltage Release R5434D404AA 4.350 4.050 1.5 Voltage Release R5434D405AA 3.825 3.575 1.5 Voltage Release R5434D406AA 4.220 3.820 1.5 Voltage Release R5434D407AA 4.250 4.200 1.5 Voltage Release (1) Refer to Product Code Table for details. (2) VDET1n, VREL1n: n = 1, 2, 3, 4, 5 2