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MM1538 Datasheet(PDF) 9 Page - Unisonic Technologies |
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MM1538 Datasheet(HTML) 9 Page - Unisonic Technologies |
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9 / 21 page  UTCMM1538 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 9 QW-R109-009,A PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Starter Switching Voltage VSTNM VSYS1=VSYS2=0→3.2V, START=0V 2.3 2.5 2.7 V Starter Switching Hysteresis Width VSNHS START=0V 130 200 300 mV Discharge Release VDIS 1.63 1.83 2.03 V Empty Detection EMP Detection Voltage 1 VEMPT1 VSEL=0V 2.1 2.2 2.3 V EMP Detection Voltage 2 VEMPT2 ISEL=- 2µA 1.7 1.8 1.9 V EMP Detection Hysteresis Voltage 1 VEMHS1 VSEL=0V 25 50 100 mV EMP Detection Hysteresis Voltage 2 VEMHS2 ISEL=- 2µA 25 50 100 mV EMP Pin Output Voltage VEMP Io=1mA, BSEN=1V 0.5 V EMP Pin Output Leak Current IEMPL BSEN=2.4V 1.0 μ A BSEN Pin Input Resistance RBSEN VSEL=0V 17 23 27 kΩ BSEN Pin Leak Current IBSENL VSYS1=VSYS2=0V, BSEN=4.5V 1.0 V SEL Pin Detection Voltage VSELTH VSELTH=BATT-SEL, BSEN=2.0V 1.5 V SEL Pin Detection Current ISELT -2 μ A Reset Circuit VSYS1 RESET Threshold Voltage Ratio HSRT Comparison with error amplifier threshold voltage 85 90 95 % RESET Detection Hysteresis Width VRSTHS 25 50 100 mV RESET Pin Output Voltage VRST Io=1mA, VSYS1=VSYS2=2.8V 0.5 V RESET Pin PULL UP Resistance RRST 72 90 108 kΩ AMUTE Pin Output Voltage 1 VAMT1 Io=-1mA, VSYS1=VSYS2=2.8V BATT -0.4 BATT V AMUTE Pin Output Voltage 2 VAMT2 Io=-1mA, START=0V, VSYS1=VSYS2=0V BATT -0.4 BATT V AMUTE Pin PULL DOWN Resistance RAMT 77 95 113 kΩ Op Amp Input Bias Current IBIAS OP+=1.6V 300 nA Input Offset Voltage VOIOP -5.5 0 5.5 mV High Level Output Voltage VOHOP RL=OPEN 2.8 V Low level Output Voltage VOLOP RL=OPEN 0.2 V Output Drive Current (Source) ISOU 50ΩGND -6.5 -3.0 mA Output Drive Current (Sink) ISIN 50ΩVSYS1 0.4 0.7 mA Open Loop Voltage Gain GVO VIN=-75dBV, f=1kHz 70 dB Slew Rate SR 0.5 V/μs Battery Charging Circuit RCHG Pin Bias Voltage VRCHG CHGVcc=4.5V, RCHG=1.8kΩ. 0.71 0.81 0.91 V RCHG Pin Output Resistance RRCHG CHGVcc=4.5V, RCHG=0.5 and 0.6V 0.75 0.95 1.20 kΩ SEL Pin Leak Current 1 ISELLK1 CHGVcc=4.5V, RCHG=OPEN, BATT=4.5V 1.0 μ A SEL Pin Leak Current 2 ISELLK2 CHGVcc=0.6V, RCHG=1.8kΩ, BATT=4.5V 1.0 μ A SEL Pin Saturation Voltage VSELCG CHGVcc=4.5V, Io=300mA, RCHG=0Ω 0.45 1.00 V |
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Similar Description - MM1538 |
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