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AM5901AF44 데이터시트(PDF) 10 Page - BCD Semiconductor Manufacturing Limited |
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AM5901AF44 데이터시트(HTML) 10 Page - BCD Semiconductor Manufacturing Limited |
10 / 19 page Data Sheet 10 Mar. 2007 Rev. 1. 3 BCD Semiconductor Manufacturing Limited AM5901A 4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER Parameter Symbol Conditions Min Typ Max Unit SW Pin Oscillating Frequency 3 fSW3 CT=470pF 88.2 kHz SW Pin Minimum Pulse Width TSWMIN CT=470pF, EO=0.5~0.7V Sweep 0.01 0.6 µs Pulse Duty at Start DSW1 CT=470pF, VSYS1=VSYS2=0V 40 50 60 % Max Pulse Duty at Self-Running DSW2 EI=0.7V, CT=470pF, CLK=0V, SPRT=1.1V, START not connected 70 80 90 % Max Pulse Duty at CLK Synchroni- zation DSW3 EI=0.7V, CT=470pF, SPRT=1.1V, START not connected 65 75 85 % (Dead Time Section) DEAD Pin Impedance RDEAD 20 25 30 k Ω DEAD Pin Output Voltage VDEAD 0.78 0.88 0.98 V (Interface Section) OFF Pin Threshold Voltage VOFTH EI=1.3V VSYS1 -2 V OFF Pin Bias Current IOFF OFF=0V 75 95 115 µA START Pin ON Threshold Voltage VSTATH1 VSYS1=VSYS2=0V, CT=2V BATT -1 V START Pin OFF Threshold Voltage VSTATH2 VSYS1=VSYS2=0V, CT=2V BATT -0.3 V START Pin Bias Current ISTART START=0V 10 16 19 µA CLK Pin Threshold Voltage H VCLKTHH 2V CLK Pin Threshold Voltage L VCLKTHL 0.8 V CLK Pin Bias Current ICLK CLK=3.2V 10 µA (Started Circuit Section) Starter Switching Voltage VSTMM VSYS1=VSYS2=0V to 3.2V START=0V 2.3 2.5 2.7 V Starter Switching Hysteresis Width VSNHS START=0V 18 200 300 mV Discharge Release Voltage VDIS 1.63 1.83 2.03 V (Empty Detection Section) Empty Detection Voltage 1 VEMPT1 VSEL=0V 2.1 2.2 2.35 V Empty Detection Voltage 2 VEMPT2 ISEL=-2µΑ 1.7 1.8 1.945 V Empty Detection Hysteresis Width1 VEMHS1 VSEL=0V 8 50 100 mV Empty Detection Hysteresis Width2 VEMHS2 ISEL=-2µΑ 850 100 mV EMP Pin Output Voltage VEMP IO=1mA, BSEN=1V 0.5 V EMP Pin Output Leak Current IEMPL BSEN=2.4V 1 µA BSEN Pin Input Resistance RBSEN VSEL=0V 17 23 27 k Ω Electrical Characteristics (Continued) |
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