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AM5901A Datasheet(PDF) 11 Page - BCD Semiconductor Manufacturing Limited |
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AM5901A Datasheet(HTML) 11 Page - BCD Semiconductor Manufacturing Limited |
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11 / 19 page  Data Sheet 11 Mar. 2007 Rev. 1. 3 BCD Semiconductor Manufacturing Limited 4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER AM5901A Parameter Symbol Conditions Min Typ Max Unit BSEN Pin Leak Current IBSNL VSYS1=VSYS2=0V, BSEN=4.5V 1 µA SEL Pin Detection Voltage VSELTH VSELTH=BATT-SEL, BSEN=2V 1.35 V SEL Pin Detection Current ISELT -15 µA (Reset Section) VSYS1 Reset Threshold Voltage Ratio HSRT Ratio of VSYS1 voltage and error- amp threshold voltage 82.98 90 97.2 % RESET Detection Hysteresis Width VRSTHS 10 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 k Ω AMUTE Pin Output Voltage 1 VAMTI IO=-1mA, VSYS1=VSYS2=2.8V BATT -0.4 BATT V AMUTE Pin Output Voltage 2 VAMT2 Ι O=−1mA, START=0V, VSYS1=VSYS2=0V BATT -0.4 BATT V AMUTE Pin Pull Down Resis- tance RAMT 77 95 113 k Ω (Operational Amplifier Section) Input Bias Current IBIAS OP+=1.6V 300 nA Input Offset Voltage VIOOP -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 Driver Current (Source) ISOU Output shorted to GND By 50 Ω -6.5 -3 mA Output Driver Current (Sink) ISIN Output shorted to VSYS By 50 Ω 0.3 0.7 2.2 mA Open Loop Voltage GAIN GVO VIN=-75dBV, f=1kHz 70 dB Slew Rate SR 0.5 V/ µs (Charging Circuit Section) SEL Pin Charging Current ISEL CHGVCC=4.5V, RCHG=1.8kΩ, VSEL=4.5V 80 150 250 mA RCHG Pin Bias Voltage VRCHG CHGVCC=4.5V, RCHG=1.8kΩ 0.745 0.81 0.960 V RCHG Pin Output Resistance RRCHG CHGVCC=4.5V, RCHG=0.5 and 0.6V 0.75 0.95 1.2 k Ω SEL Pin Leak Current 1 ISELLK1 CHGVCC=4.5V, RCHG=OPEN BATT=4.5V 1.2 µA SEL Pin Leak Current 2 ISELLK2 CHGVCC=0.6V, RCHG=1.8kΩ BATT=4.5V 1.2 µA SEL Pin Saturation Voltage VSELCG CHGVCC=4.5V, IO=300mA, RCHG=0 Ω 0.45 1 V Electrical Characteristics (Continued) |
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