R5432V Series Li-ion/polymer 3/4/5Cell Batteries protector The R5432V Series are high voltage CMOS-based protection ICs for over-charge/discharge of rechargeable 3/4/5cell Li-ion/Lithium polymer battery. Each of these ICs is composed of voltage detectors, reference units, a delay circuit, a short circuit protector, an oscillator, a counter, and logic circuits. A more than 6 Cells battery is available by Cascade connection. Disconnection detection and cell-balance function, which can reduce cell-unbalance, are available. SSOP-24 package is available. FEATURES • Supply Voltage (VDD)··································· 30V (Absolute Maximum Rating) • Excess • Charger Negative Input Voltage (V-) ·········· 30V (Absolute Maximum Rating) discharge-current • Operating Input Voltage Range (VDD)············ Max. 25.0V (VDET3) • Supply Current (IDD) ···································· Typ.12.0μA • Over-charge Detector Threshold Range····· 3.6V to 4.5V (0.005V Steps) Voltage Accuracy ·············· ±25mV • Excess (VDET1) • Over-discharge (VDET2) Output Delay Time (tVDET1)···· Detector Threshold Range ···· Voltage Accuracy ················· Output Delay Time (tVDET2)···· 1.0s 2.0 to 3.0V (0.1V Steps) ±2.5% Settable by outside capacitance1 Detector Threshold Voltage1····· 0.1V to 0.3V (0.01V Steps) Detector Threshold Voltage2····· 0.6V Voltage Accuracy1 ··················· ±20mV Voltage Accuracy2 ··················· ±0.1V Output Delay Time (tVDET3-1)······ Settable by outside capacitance2 Output Delay Time (tVDET3-2)······ Settable by outside capacitance2 Detector Threshold ··············· -0.05V, -0.1V, -0.2V,-0.4V charge-current Voltage Accuracy ····················· ±30mV (at -0.05V, -0.1V, -0.2V) (VDET4) ±40mV (at -0.4V) Cell-balance Detector Threshold Range···· 3.45V to 4.45V (0.005V Steps) Short Protection Output Delay Time (tVDET4)········ 8ms Detector Threshold (Vshort) ··· 1.0V Output Delay Time ··················· 300μs 0V-battery charge············································· Available Packages ························································· SSOP-24 • • • • BLOCK DIAGRAMS R5432V VDD VC1 CB1 VD1-1 CB Circuit-1 Vnochg1 CTLD Logic Circuit CTLC VD2-1 VD1-2 VC2 Regulator Regulator CB2 CB Circuit-2 Logic Circuit Vnochg2 Oscillatpr VD2-2 VD1-3 VC3 CB3 CB Circuit-3 Vnochg3 CB4 Counter VD2-3 VD1-4 VC4 CB Circuit-4 Logic Circuit VD2-4 Delay VC5 CB5 VMP Vnochg4 Short Circuit VD1-5 CB Circuit-5 Vnochg5 VD3-1 COUT VSS VD2-5 odd sw even sw DOUT VD3-2 Logic Circuit T Stop tVDET3 tVDET2 Logic Circuit VD4 Ds Circuit T Start CTLT SEL1 SEL2 SENS CT1 CT2 DRAIN SELECTION GUIDE Halogen Free Package Quantity per Reel SSOP-24 3,000pcs Part No. R5432V.xxx.$.∗ -E2-FE .xxx : Serial Number for the R5432V Series designing input four threshold for over-charge, .∗ : Designation of protection type. over-discharge, excess discharge-current and excess charge-current detectors. (.A.) Auto release after Over-charge and Over-discharge. 0V battery is available. .$.: Designation of Output delay option of excess charge-current, excess discharge-current and short circuit. (.B.) tVDET1 : 1s, tVDET2 : 38.8×C1(nF), tVDET3-1 : 32.6×C2(nF), tVDET3-2 : tVDET31/6, tVDET4 : 8ms, tShort : 300μ PACKAGE SSOP-24 242322 2120 19 1817 1615 14 13 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 CTLC CTLD COUT VMP DRAIN DOUT SENS CTLT 9 10 11 12 13 14 15 16 VSS CT1 CT2 SEL1 SEL2 CB5 VC5 CB4 17 18 19 20 21 22 23 24 VC4 CB3 VC3 CB2 VC2 CB1 VC1 VDD APPLICATIONS • Li-ion/Li polymer protector of over-charge, over-discharge, excess discharge-current, excess charge-current for battery pack • Over-charge, discharge and current protections for notebook PCs, power tools, and any other gadgets using on board Li-ion/Li Polymer battery. No. EK-263-111103 Li-ion / Li-polymer Multi-Cell protect IC 1. 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