Test Procedure for the LC05111C05MTGEVB Evaluation Board 1.Test Setup 1.1 Test Equipment Voltage Current Source: ADVANTEST R6243 x 2 Erectronic LOAD: FUJITSU DENSO EUL-150αXL Synthesized Function Generator: YOKOGAWA FG120 Oscilloscope: LeCroy WaveRunner LT374 Operating Temperature: 25℃ Current probe :Lecroy AP015 Battery: Which are commercially available. 1.2 Recommended Test Setup PAC+ R1 680 C2 open LC05111C05MT C1 0.1u Voltage current source1 TST VCC BAT+ VSS CS S1 R2 1kΩ S2 BATC3 open PAC- Oscillo Scope Voltage current source2 Figure1. LC05111C05MTGEVB Recommended Test Set Up for Charge/Discharge Voltage detection PAC+ R1 680 BAT+ C2 open LC05111C05MT C1 0.1u Voltage current source TST VCC VSS CS S1 S2 BATC3 open R2 1kΩ PAC- ERECTRONIC LOAD Function Generater Current Probe Figure2. LC05111C05MTGEVB Recommended Test Set Up for Charge/Discharge Current detection 10/07/2015 1 www.onsemi.com PAC+ R1 680 BAT+ Current Probe TST VCC C2 open LC05111C05MT C1 0.1u Battery VSS SW CS S1 S2 BATC3 open R2 1kΩ PAC- Figure3. LC05111C05MTGEVB Recommended Test Set Up for Discharge Current2(short current)detection 1.3 List of Test Points Table1. Test Points Functions TEST POINTS NAME DESCRIPTION BAT+ or PAC+ Battery Voltage PAC- Detection state of Battery Voltage and discharge current and charge current 2. Test Procedure 1. Connect LC05111C05MTGEVB like upper Figure1. 2. Set to 3.7V Voltage Current Source1. Set to 10mA at Current limit. 3. Set to -10mA Voltage Current Source2. Set to 2V at Voltage limit. 4. Monitor the voltage of the PAC-terminal with increasing voltage. 5. The PAC- voltage is cramped at the overcharge detection voltage. 6. Set to +10mA Voltage Current Source2. Set to 2V at Voltage limit. 7. Monitor the voltage of the PAC-terminal with decreasing voltage. 8. The voltage at the PAC- is clamped at the overcharge release voltage detection. 2.2 Over-discharge detection/release voltage Procedure 1. Connect LC05111C05MTGEVB like upper Figure1. 2. Set to 3.7V Voltage Current Source1. Set to 10mA at Current limit. 3. Set to 10mA Voltage Current Source2. Set to 2V at Voltage limit. 4. It monitors the voltage of the PAC-terminal with decreasing voltage. 5. The PAC- voltage is clamped at the over-discharge detection voltage. 6. Set to -10mA Voltage Current Source2. Set to 2V at Voltage limit. 7. Monitor the increasing voltage of the PAC-terminal. 8. The PAC- voltage increase to about 0V at the over-discharge release voltage. 10/07/2015 2 www.onsemi.com 2.3 Over-discharge release voltage2 Procedure 1. Connect LC05111C05MTGEVB like upper Figure1. 2. Set to 3.7V Voltage Current Source1. Set to 10mA at Current limit. 3. Set to 10mA Voltage Current Source2. Set to 2V at Voltage limit. 4. Monitors the decreasing voltage of the PAC-terminal. 5. The PAC- is clamped at the over-discharge detection voltage. 6. PAC- is opened. 7. Monitor the increasing voltage of the PAC-terminal. 8. When the current becomes 3.0uA, the status is changed into the over-discharge releaseing voltage2. 2.4 Over-discharge current detection/release Procedure 1. Connect LC05111C05MTGEVB like upper Figure2. 2. Set to 3.7V Voltage Current Source1. Set to 10mA at Current limit. 3. Synthesized Function Generator set1 shot pulse of 25ms. 4. Electronic LOAD set Over-discharge current at A, set 0A at B. 5. Monitor the current through BAT- to PAC- with current probe. 6. When the protection IC detects the discharge overcurrent, the current pulse width becomes (TYP) 12ms. 7. When the protection IC releases the discharge overcurrent, the pulse width becomes 25ms. 2.5 Over-charge current detection/release Procedure 1. Connect LC05111C05MTGEVB like upper Figure2. 2. Set to 3.7V Voltage Current Source1. Set to 10mA at Current limit. 3. Synthesized Function Generator set1 shot pulse of 25ms. 4. Electronic LOAD set Over-charge current at A, set 0A at B. 5. Monitor the current through BAT- to PAC- with current probe. 6. When the protection IC detects the charge overcurrent, the pulse width becomes (TYP) 16ms. 7. When the protection IC releases the charge overcurrent, the pulse width becomes 25ms. 2.6 Over-discharge current2(short current) detection Procedure 1. Connect LC05111C05MTGEVB like upper Figure3. 2. Connects the Battery between BAT- and BAT +. 3. Monitors the current through the BAT+ and PAC- with current probe. 4. Turns on the short cricuit SW. 5. At this moment, We can measure the short circuit detection delay time and the short circuit current. 10/07/2015 3 www.onsemi.com 3. Performance Data (It substitutes the characteristics of LC05111C05MTG.) Over-charge release voltage No.1 No.2 No.3 4.485 4.475 4.465 4.455 4.445 4.435 4.425 4.415 4.405 4.395 4.385 4.375 4.365 No.2 4.300 No.3 4.280 4.260 4.240 4.220 4.200 4.180 4.160 4.140 -50 -25 0 25 50 Temperature(degC) 75 -50 100 No.2 2.475 No.3 Voltage(V) 2.450 2.425 2.400 2.375 2.350 2.325 2.300 -25 0 25 50 0 25 50 75 100 Over-discharge detection voltage2 No.1 2.500 -50 -25 Temperature(degC) Over-discharge detection voltage Voltage(V) No.1 4.320 Voltage(V) Voltage(V) Over-charge detection voltage 75 100 No.1 2.550 2.525 2.500 2.475 2.450 2.425 2.400 2.375 2.350 2.325 2.300 2.275 2.250 No.2 No.3 -50 Temperature(degC) -25 0 25 50 75 100 Temperature(degC) Voltage(V) Over-discharge release voltage No.1 2.950 2.925 2.900 2.875 2.850 2.825 2.800 2.775 2.750 2.725 2.700 2.675 2.650 No.2 No.3 -50 -25 0 25 50 75 100 Temperature(degC) 10/07/2015 4 www.onsemi.com Discharge over-current detection current Charge over-current detection current Current(A) 7.0 6.5 Current(A) No.1 No.2 No.3 7.5 6.0 5.5 5.0 4.5 4.0 -50 -25 100 No.1 1.4 No.2 1.3 Current [ nA ] 1.1 1.0 0.9 0 25 50 Temperature(degC) 75 100 600 400 200 0 0.8 -50 -25 0 25 50 Temperature [ ℃ ] 75 -50 100 -25 0 25 50 Temperature [ ℃ ] 75 100 Icc@VDD=3.7V 7.0 No.1 6.0 No.2 5.0 Current [ uA ] -25 No.1 No.2 No.3 800 No.3 1.2 No.3 Istb@VDD=3.7V 1000 1.5 No.1 No.2 -50 0V Charge@VDD=0V 1.6 Voltagde [ V ] 0 25 50 75 Temperature(degC) -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0 No.3 4.0 3.0 2.0 1.0 0.0 -50 -25 10/07/2015 0 25 50 Temperature [ ℃ ] 75 100 5 www.onsemi.com