YOUDA INTEGRATED CIRCUIT YD5901 4-ch MOTOR DRIVER FOR PORTABLE CD PLAYERS —YD5901 DESCRIPTION This driver IC contains a 4ch H bridge driver and DC-DC converter control circuit on one chip, and was developed for use in portable CD players. QFP-44 is used for the package, making it ideal for smaller sets. FEATURES *Built-in 4ch H Bridge Driver, and PWM Control of Load Drive Voltage is Made Possible by External Components. *DC-DC Converter Control Circuit on Chip. * With Reset Output Inversion Output Pin. *Empty Detection Level Can be Switched Between Rechargeable Battery and Dry Battery. *Constant Current Charging; Current Value Can be Varied Using External Resistor. *Built-in Power Transistor For Charging. *Built-in Independent Thermal Shutdown Circuit. WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110 Website: www.e-youda.com SHENZHEN OFFICE Tel： 86-755-83740369 13823533350 Fax： 86-755-83741418 Ver 3.1 1 of 10 2004-9-20 YD5901 YOUDA INTEGRATED CIRCUIT RCHG OUTIR OUTIF OUT2R OUT2F POWGND OUT3F OUT3R OUT4F OUT4R BRAKE1 BLOCK DIAGRAM 33 32 31 30 29 28 27 26 25 24 23 BRAKE1 EMP 35 BTL BTL BTL TSD PSW 37 MAXIMUM DETECTION CLK 38 CLK + POWER OFF STARTER START 39 OFF 40 21 MUTE2 20 IN2 MUTE34 BTL HVcc 36 V / I + V / I + 19 MUTE34 18 IN4 V / I + 17 IN3 V / I + 16 Vref TSD 15 VSYS2 OVER-VOLTAGE TRIANGLE WAVE PRE-DRIVER POWER SUPPLY SEL 42 PREGND 43 PWMFIL 44 CONTROL CIRCUIT POWER SUPPLY CHGVcc 41 22 IN1 MUTE2 AMUTE 34 14 OP+ + - 13 OPOUT 12 VSYS1 + - - + ++ - + +- 1 2 3 4 DEAD BATT RESET BSEN WuXi YouDa Electronics Co., Ltd 5 SW 6 7 EO EI 2 of 10 8 SPRT 9 10 CT N.C. OP - 11 Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Tamb=25℃) PARAMETER SYMBOL VALUE UNIT Supply Voltage Vcc*1 13.5 V Driver Output Current Io 500 mA Power Dissipation PD 625*2 mW Operating Temperature Topr -30 to +85 ℃ Storage Temperature Tstg -55 to +150 ℃ *1 Vcc shows input voltage of VSYS1, VSYS3, HVcc, BATT, and CHGVcc. *2 Reduced by 5mW for each increase in Tamb of 1℃ over 25℃. ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Tamb=25℃, BATT=2.4V, VSYS1=VSYS2=3.2V, Vref=1.6V, CHGVcc=0V, fCLK=88.2kHz) SYMBO L TEST CONDITIONS BATT Stand-by Current IST BATT Supply Current (No Load) PARAMETER MIN TYP MAX UNIT BATT=9.0V, VSYS1=VSYS2=Vref=0V 0 3 μA IBAT HVcc=0.45V, MUTE34=3.2V 2.5 4.0 mA VSYS1 Supply Current (No Load) ISYS1 HVcc=0.45V, MUTE34=3.2, EI=0V 4.7 6.4 mA VSYS2 Supply Current (No Load) ISYS2 HVcc=0.45V, MUTE34=3.2V 4.1 5.5 mA CHGVcc Supply Current (No Load) ICGVCC CHGVcc=4.5V, ROUT=OPEN 0.65 2.00 mA Common Section H-Bridge Driver Part Voltage Gain ch1, ch3, ch4 GVC134 12 14 16 dB Voltage Gain ch2 GVC2 21.5 23.5 24.5 dB Gain Error By Polarity ⊿GVC -2 0 2 dB Input Pin Resistance ch1, ch3, ch4 RIN134 IN=1.7Vand 1.8V 9 11 13 kΩ Input Pin Resistance ch2 RIN2 IN=1.7V and 1.8V 6 7.5 9 kΩ Maximum Output Voltage VOUT RL=8Ω, HVcc=BATT=4.0V, IN=0-3.2V 1.9 2.1 Saturation Voltage (Lower) VsatL IO=-300mA, IN=0 和 3.2V WuXi YouDa Electronics Co., Ltd 3 of 10 240 V 400 mV Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT Saturation Voltage (Upper) VsatU Input Offset Voltage VOI Output Offset Voltage ch1, ch3, ch4 VOO134 Output Offset Voltage ch2 VOO2 Dead Zone VDB BRAKE1 ON Threshold Voltage VBRON IN1=1.8V BRAKE1 OFF Threshold Voltage VBROFF IN1=1.8V MUTE2 ON Threshold Voltage VM20N IN2=1.8V MUTE2 OFF Threshold Voltage VM2OFF IN2=1.8V 0.8 V MUTE34 ON Threshold Voltage VM34ON IN3=IN4=1.8V 0.8 V MUTE34 OFF Threshold VM34OFF Voltage IN3=IN4=1.8V 2.0 V 1.2 V IO=-300mA, IN=0 和 3.2V 240 400 mV -8 0 8 mV Vref=IN=1.6V -50 0 50 mV Vref=IN=1.6V -130 0 130 mV -10 0 10 mV 2.0 V 0.8 2.0 V V H-Bridge Driver Part Vref ON Threshold Voltage VrefON IN1=IN2=IN3=IN4=1.8V Vref OFF Threshold Voltage VrefOFF IN1=IN2=IN3=IN4=1.8V IBRAKE1 Current difference between BRAKE pin “H” time and “L” time. 4 BRAKE1 Brake Current 0.8 V 7 10 mA PWM Power Supply Driving PSW Sink Current IPSW IN1=2.1V 10 13 17 mA HVcc Level Shift Voltage VSHIF IN1=1.8V, HVcc-OUT1F 0.35 0.45 0.55 V IHLK HVcc=9.0V, VSYS1=VSYS2=BATT =0V 0 5 μA 1/60 1/50 1/40 1/kΩ 3.05 3.20 3.35 V HVcc Leak Current PWM Amp Transfer Gain HVcc=1.8V, HVcc=1.2～1.4V DC-DC Converter Error Amp VSYS1 Threshold Voltage VSITH WuXi YouDa Electronics Co., Ltd 4 of 10 Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT EO Pin Output Voltage “H” VEOH EI=0.7V, Io=-100μA EO Pin Output Voltage “L” VEOL EI=1.3V, Io=100μA SPRT Pin Voltage VSPR EI=1.3V EO=H SPRT Pin Current1 ISPR1 EI=0.7V OFF=L SPRT Pin Current2 ISPR2 SPRT Pin Current3 Over-Voltage ISPR3 SPRT Pin Impedance RSPR SPRT Pin Threshold Voltage VSPTH Over-Voltage Protection Detect 1.4 1.6 V 0.3 V 0 0.1 V 6 10 16 μA EI=1.3V, OFF=0V 12 20 32 μA EI=1.3V, BATT=9.5V 12 20 32 μA 175 220 265 kΩ EI=0.7V, CT=0V 1.10 1.20 1.30 V VHVPR BSEN Pin Voltage 8.0 8.4 9.0 V SW Pin Output Voltage1 “H” VSW1H BATT=CT=1.5V, S1=VSYS2=0V, Io=-2mA Starting Time 0.78 0.98 1.13 V SW Pin Output Voltage 2 “H” VSW2H CT=0V, Io=-10mA, EI=0.7V, SPRT=0V 1.00 1.50 SW Pin Output Voltage 2 “L” VSW2L CT=20V, IO=-10mA SW Pin Oscillating Frequency1 fsw1 CT=470pF, VSYS1=YSYS2=0V Starting time SW Pin Oscillating Frequency 2 fsw2 CT=470pF, CLK=0V SW Pin Oscillating Frequency 3 fsw3 CT=470pF SW Pin Minimum Pulse Width TSWMIN CT=470pF, EO=0.5V→0.7V Sweep 0.01 Pulse Duty Start DSW1 CT=470pF, VSYS1=VSYS2=0V 40 Max. Pulse Duty At Self-Running DSW2 CT=470pF, EI=0.7V, CLK=0V Max. Pulse Duty At CLK Synchronization DSW3 CT=470pF, EI=0.7V Short Circuit Protection Transistor Driving WuXi YouDa Electronics Co., Ltd 5 of 10 V 0.30 0.45 V 65 80 95 kHz 60 70 82 kHz 88.2 kHz 0.60 ms 50 60 % 70 80 90 % 65 75 85 % Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT Interface OFF Pin Threshold Voltage VOFIH EI=1.3V OFF Pin Bias Current IOFF OFF=0V START Pin ON Threshold Voltage VSTATH1 VSYS1=VSYS2=0V, CT=2.0V START Pin OFF Threshold Voltage VSTATH2 VSYS1=VSYS2=0V, CT=2.0V BATT0.3 START Pin Bias Current ISTART START=OV 10 CLK Pin Threshold Voltage “H” VCLKTHH CLK Pin Threshold Voltage “L” VCLKTHL CLK Pin Bias Current ICLK 75 95 VSYS1 -2.0 V 115 μA BATT1.0 V V 20 30 2.0 μA V CLK=3.2V 0.8 V 10 μA Dead Time DEAD Pin Impedance RDEAD 52 65 78 kΩ DEAD Pin Output Voltage VDEAD 0.78 0.88 0.98 V Starter Circuit Starter Switching Voltage VSTNM VSYS1=VSYS2=0V→ 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 Voltage1 VEMPT1 VSEL=0V 2.1 2.2 2.3 V EMP Detection Voltage2 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 μA BSEN Pin Input Resistance RBSEN VSEL=0V 27 kΩ WuXi YouDa Electronics Co., Ltd 6 of 10 17 23 Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT BSEN Pin Leak Current IBSENL VSYS1=VSYS2=0V, BSEN=4.5V SEL Pin Detection Voltage VSELTH VSELTH=BATT-SEL, BSEN=2.0V SEL Pin Detection Current ISELT 1.0 mA 1.5 V -2 μA Reset Circuit VSYS1RESET Threshold Voltage Ratio HSRT RESET Detection Hysteresis Width VRSTHS RESET Pin Output Voltage VRST RESET Pin PULL UP Resistance RRST AMUTE Pin Output Voltage1 VAMT1 IO=-1mA, VSYS1=VSYS2=2.8V AMUTE Pin Output Voltage2 VAMT2 IO=-1mA, START=0V, VSYS1=VSYS2=0V AMUTE Pin PULL DOWN Resistance RAMT Comparison with error amplifier threshold voltage 85 90 95 % 25 50 100 mV 0.5 V 108 kΩ BATT0.4 BATT V BATT0.4 BATT V 113 kΩ 300 nA 5.5 mV IO=1mA, VSYS1=VSYS2=2.8V 72 77 90 95 Op Amp Input Bias Current IBIAS OP+=1.6V Input Offset Voltage VOIOP High Level Offset Voltage VOHOP RL=OPEN Low Level Offset Voltage VOLOP RL=OPEN Output Drive Current （Source） ISOU 50Ω GND Output Drive Current （Sink） ISIN 50Ω GND Open Loop Voltage Gain GVO VIN=-7.5dBV, f=1kHz Slew Rate SR -5.5 0 2.8 V -6.5 0.4 0.2 V -3.0 mA 0.7 mA 70 dB 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=0.5V 和 0.6V 0.75 0.95 1.2 kΩ WuXi YouDa Electronics Co., Ltd 7 of 10 Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT ISELLK1 CHGVcc=4.5V, RCHG=OPEN, BATT=4.5V 1.0 mA SEL Pin Leak Current 2 ISELLK2 CHGVcc=0.6V, RCHG=1.8kΩ, BATT=4.5V 1.0 μA SEL Pin Saturation Voltage VSELCG CHGVcc=4.5V, IO=300mA, RCHG=0Ω 1.00 V SEL Pin Leak Current 1 WuXi YouDa Electronics Co., Ltd 8 of 10 0.45 Website: www.e-youda.com YD5901 YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT 25 23 BTL 38 CLK START 0.1μ + POWER OFF STARTER 39 OFF 40 IN2 20 + V / I + 18 V / I + 17 V / I + 16 15 TRIANGLE WAVE PRE-DRIVER POWER SUPPLY 42 PREGND MUTE34 19 V / I TSD OVER-VOLTAGE 43 PWMFIL 44 14 + - 13 12 + - + - 100K MUTE2 IN4 MAXIMUM 21 IN1 VSYS2 Vref IN3 BTL BTL DETECTION CHGVcc 41 22 MUTE2 37 CLK SEL 24 MUTE34 BTL TSD PSW 100K BRAKE1 OUT4R OUT4F OUT3F POWGND OUT3R 26 35 HVcc 36 47 27 CONTROL CIRCUIT POWER SUPPLY 47μ 28 29 BRAKE1 0.1μ + 30 34 EMP 33μ OUT2R 31 TRACKING VSYS1 OPOUT OP+ 32 FOCUS OUT2F M SPINDLE OUTIF RCHG 33 AMUTE M TRAVERSE OUTIR 1.8k 10p 2200p ++ - + - VIN + DC-DC Converter application 8.2K 0.022μ 9 0.1μ 10 OP - 8 CT 7 N.C. 0.1μ 47μ WuXi YouDa Electronics Co., Ltd 6 EI 5 EO DEAD 4 SW 3 RESET 2 BATT BSEN 1 SPRT +11 FILTER 470p VOUT + 100μ 9 of 10 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT YD5901 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 10 of 10 Website: www.e-youda.com