4-CH MOTOR DRIVER

UTC MM1538 LINEAR INTEGRATED CIRCUIT 4-CH MOTOR DRIVER FOR PORTABLE CD PLAYERS DESCRIPTION The UTC MM1538 contains a 4ch H bridge driver and DC-DC converter control circuit on one chip, and was developed for use in portable CD players. 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. QFP-44-0.8 APPLICATIONS *Portable CD radio cassette recorders PIN CONFIGURATION www.DataSheet4U.com RCHG OUT1R OUT1F OUT2R OUT2F 33 32 31 30 29 POW GND 28 OUT3F OUT3R OUT4F OUT4R BRAKE1 27 26 25 24 23 AMUTE 34 22 IN1 EMP 35 21 MUTE2 HVcc 36 20 IN2 PSW 37 19 MUTE34 CLK 38 18 IN4 START 39 OFF 40 UTC MM1538 17 IN3 16 Vref 15 VSYS2 14 CHGVcc 41 SEL 42 OP+ PREGND 43 13 OPOUT PWMFIL 44 12 VSYS1 1 BSEN 2 BATT 3 4 5 SW 6 EO 7 EI 8 SPRT 9 CT 10 N.C. 11 OP- RESET DEAD UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R109-009,A UTC MM1538 PIN DESCRIPTION 1 BSEN Input LINEAR INTEGRATED CIRCUIT FUNCTION Battery Voltage Monitor PIN PIN NAME INPUT/OUTPUT NO. INTERMAL EQUIVALENT CIRCUIT 1 71kΩ 10.5kΩ 14.85kΩ 16.5kΩ 20 kΩ 2 3 BATT RESET Input Output Battery Power Supply Input Reset Detect Output 3 Power Supply VSYS1 90kΩ 4 DEAD Input DEAD Time Setting 13kΩ 4 49kΩ 30.8kΩ 5 SW Output Transistor Drive For Voltage Multiplier BATT 5 150Ω 6kΩ 6 EO Output Error Amplifier Output VSYS1 6 7 EI Input Error Amplifier Input 7 VSYS1 35kΩ 21.6kΩ UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R109-009,A UTC MM1538 8 SPRT Output LINEAR INTEGRATED CIRCUIT FUNCTION Short Circuit Protection Setting PIN PIN NAME INPUT/OUTPUT NO. INTERMAL EQUIVALENT CIRCUIT VSYS1 8 220kΩ 9 CT Output Triangular-Wave Output VSYS1 BATT 2kΩ 9 420kΩ 10kΩ 10 11 14 N.C. OPOP+ Input Op Amp Negative Input Op Amp Positive Input 14 11 12 13 VSYS1 OPOUT Input Output Control Circuit Power Supply Input Op Amp Output Control Circuit Power Supply VSYS1 13 15 16 VSYS2 Vref Input Input Driver Pre-step Power Supply Reference Voltage Input Pre-Drive Power Supply ×4 16 24kΩ 50kΩ 200Ω 17 18 20 22 IN3 IN4 IN2 IN1 Input ch3 Control Signal Input ch4 Control Signal Input ch2 Control Signal Input ch1 Control Signal Input 17 18 20 22 11kΩ 20PIN=7.5kΩ UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R109-009,A UTC MM1538 19 21 23 MUTE34 MUTE2 BRAKE1 Input LINEAR INTEGRATED CIRCUIT FUNCTION Ch3 and 4 Mute Ch2 Mute Ch1 Brake PIN PIN NAME INPUT/OUTPUT NO. INTERMAL EQUIVALENT CIRCUIT 19 21 23 68kΩ 68kΩ 24 25 26 27 29 30 31 32 28 36 OUT4R OUT4F OUT3R OUT3F OUT2F OUT2R OUT1F OUT1R POWGND HVcc Output Input Ch4 Negative Output Ch4 Positive Output Ch3 Negative Output Ch3 Positive Output Ch2 Positive Output Ch2 Negative Output Ch1 Positive Output Ch1 Negative Output Power Block Power Supply Ground H-Bridge Power Supply Input 36 24 26 30 32 25 27 29 31 28 33 RCHG Input Charge Current Setting 33 950Ω 34 AMUTE Output Reset Invert Output BATT 34 95kΩ 35 EMP Output Empty Detect Output 35 37 PSW Output PWM Transistor Drive BATT 37 50Ω 38 CLK Input External Clock Synchronizing Input VSYS1 2kΩ 38 50kΩ 100kΩ UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R109-009,A UTC MM1538 39 START Input LINEAR INTEGRATED CIRCUIT FUNCTION Voltage Multiplier DC-DC Converter Start PIN PIN NAME INPUT/OUTPUT NO. INTERMAL EQUIVALENT CIRCUIT 390kΩ BATT 39 200kΩ 40 OFF Input Voltage Multiplier DC-DC Converter OFF VSYS1 180kΩ 40 27kΩ 41 42 CHGVcc SEL Input Input/Output Charging Circuit Power Supply Input Empty Detect Level Switch Charging Circuit Power Supply BATT 200kΩ 130kΩ 42 15kΩ 43 44 PREGND PWMFIL Input Pre Section Power Supply Ground PWM Phase Compensation Pre Section Power Supply Ground VSYS1 2kΩ 44 2kΩ *The positive and negative outputs are the polarity with respect to the input UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R109-009,A UTC MM1538 BLOCK DIAGRAM RCHG 33 OUTIR 32 LINEAR INTEGRATED CIRCUIT OUT1F 31 OUT2R 30 OUT2F POWGND OUT3F 29 28 27 OUT3R 26 OUT4F 25 OUT4R 24 BRAKE1 23 BRAKE1 AMUTE 34 MUTE2 BTL BTL TSD PSW 37 MAXIMUM DETECTION CLK 38 CLK + - 22 IN1 EMP 35 21 MUTE2 HVcc 36 BTL BTL V / I V / I V / I 20 IN2 + MUTE34 CONTROL CIRCUIT POWER SUPPLY 19 MUTE34 + 18 IN4 START 39 POWER OFF STARTER + 17 IN3 OFF 40 V / I + 16 Vref OVER-VOLTAGE CHGVcc 41 TSD TRIANGLE WAVE PRE-DRIVER POWER SUPPLY 15 VSYS2 SEL 42 + - 14 OP+ + + POWER UNIT POWER SUPPLY + - PWMFIL 44 + - 1 BSEN 2 BATT 3 RESET 4 DEAD 5 SW 6 EO 7 EI 8 SPRT 9 CT 10 N.C. 11 OP- UTC UNISONIC TECHNOLOGIES CO., LTD. - PREGND 43 + - + 13 OPOUT 12 VSYS1 6 QW-R109-009,A UTC MM1538 PARAMETER LINEAR INTEGRATED CIRCUIT SYMBOL RATINGS UNIT V mA mW °C °C ABSOLUTE MAXIMUM RATINGS (Ta=25°C ) Supply Voltage Vcc *1 13.5 Driver Output Current Io 500 Power Dissipation PD 625 Operating Temperature TOPR -30~+85 Storage Temperature TSTG -55~+150 *1: Vcc shows input voltage of VSYS1,VSYS2, HVcc, BATT,and CHGVcc. RECOMMENDED OPERATING CONDITIONS PARAMETER Control Circuit Power Supply Voltage Pre-Driver Circuit Power Supply Voltage H-Bridge Power Supply Voltage Power Supply Voltage Charging circuit Power supply Voltage Operating Temperature SYMBOL VSYS1 VSYS2 HVcc BATT CHGVcc Ta MIN 2.7 2.7 1.5 3.0 -10 TYP 3.2 3.2 PWM 2.4 4.5 25 MAX 5.5 5.5 BATT 8.0 8.0 70 UNIT V V V V V °C ELECTRICAL CHARACTERISTICS (Ta=25°C, BATT=2.4V,VSYS1=VSYS2=3.2V,Vref=1.6V,CHGVcc=0V,fCLK=88.2kHz, unless otherwise specified) PARAMETER Common Section BATT Stand-by Current BATT Supply Current (No load) VSYS1 Supply Current (No load) VSYS2 Supply Current (No load) CHGVcc Supply Current (No load) H-Bridge Driver Part Voltage Gain ch1,ch3.ch4 Voltage Gain ch2 Gain Error By Polarity Input pin resistance ch1,ch3,ch4 Input pin resistance ch2 Maximum Output Voltage Saturation Voltage (Lower) Saturation Voltage (Upper) Input Offset Voltage Output Offset Voltage ch1,ch3,ch4 Output Offset Voltage ch2 Dead Zone BRAKE1ON Threshold Voltage BRAKE1OFF Threshold Voltage MUTE2 ON Threshold Voltage H-Bridge Driver Part MUTE2 OFF Threshold Voltage MUTE34 ON Threshold Voltage MUTE34 OFF Threshold Voltage Vref ON Threshold Voltage Vref OFF Threshold Voltage SYMBOL IST IBAT ISYS1 ISYS2 ICGVCC GVC134 GVC2 ⊿GVC RIN134 RIN2 VOUT VsatL VsatU VOI VOO134 VOO2 VDB VBRON VBROFF VM2ON VM2OFF VM34ON VM34OFF VrefON VrefOFF TEST CONDITIONS BATT=9.0V, VSYS1=VSYS2=Vref=0V HVcc=0.45V, MUTE34=3.2V HVcc=0.45V, MUTE34=3.2V, EI=0V HVcc=0.45V, MUTE34=3.2V CHGVCC=4.5V, ROUT=OPEN MIN TYP 0 2.5 4.7 4.1 0.65 MAX 3 4.0 6.4 5.5 2.00 16 24.5 2 13 9 UNIT μA mA mA mA mA dB dB dB kΩ kΩ V mV mV mV mV mV mV V V V V V V V V IN=1.7V and 1.8V IN=1.7V and 1.8V RL=8Ω,HVcc=BATT=4.0V, IN=0-3.2V Io=-300mA, IN=0 and 3.2V Io=-300mA, IN=0 and 3.2V Vref=IN=1.6V Vref=IN=1.6V IN1=1.8V IN1=1.8V IN2=1.8V IN2=1.8V IN3=IN4=1.8V IN3=IN4=1.8V IN1=IN2=IN3=IN4=1.8V IN1=IN2=IN3=IN4=1.8V 12 21.5 -2 9 6 1.9 14 23.5 0 11 7.5 2.1 240 240 0 0 0 0 -8 -50 -130 -10 2.0 2.0 400 400 8 50 130 10 0.8 0.8 0.8 2.0 1.2 0.8 UTC UNISONIC TECHNOLOGIES CO., LTD. 7 QW-R109-009,A UTC MM1538 PARAMETER BRAKE1 Brake Current PWM Power Supply Driving PSW Sink Current HVcc Level Shift Voltage HVcc Leak Current PWM Amp Transfer Gain DC-DC Converter Error Amp VSYS1 Threshold Voltage EO Pin Output Voltage "H" EO Pin Output Voltage "L" Short Circuit Protection SPRT Pin Voltage EO=H SPRT Pin Current1 OFF=L SPRT Pin Current2 SPRT Pin Current3 Over-Voltage SPRT Pin Impedance SPRT Pin Threshold Voltage Over-Voltage Protection Detect Transistor Driving SW Pin Output Voltage1 "H" SW Pin Output Voltage2 "H" SW Pin Output Voltage2 "L" SW Pin Oscillating Frequency1 SW Pin Oscillating Frequency2 SW Pin Oscillating Frequency3 SW Pin Minimum Pulse Width Pulse Duty Start Max. Pulse Duty At Self-Running Max. Pulse Duty At CLK Synchronization Interface OFF Pin Threshold Voltage OFF Pin Bias Current START Pin ON Threshold Voltage START Pin OFF Threshold Voltage START Pin Bias Current CLK Pin Threshold Voltage "H" CLK Pin Threshold Voltage "L" CLK Pin Bias Current Dead Time DEAD Pin Impedance DEAD Pin Output Voltage Starter Circuit LINEAR INTEGRATED CIRCUIT SYMBOL IBRAKE1 IPSW VSHIF IHLK GPWM TEST CONDITIONS Current difference between BRAKE pin "H" time and "L" time. IN1=2.1V IN1=1.8V, HVcc-OUT1F HVcc=9.0V, VSYS1=VSYS2=BATT=0V IN1=1.8V, HVcc=1.2 ~ 1.4V MIN 4 TYP 7 MAX 10 UNIT mA 10 0.35 13 0.45 0 1/50 17 0.55 5 1/40 mA V μA 1/kΩ 1/60 VS1TH VEOH VEOL VSPR ISPR1 ISPR2 ISPR3 RSPR VSPTH VHVPR EI=0.7V, Io=-100µA EI=1.3V, Io=100µA EI=1.3V EI=0.7V EI=1.3V, OFF=0V EI=1.3V, BATT=9.5V EI=0.7V, CT=0V BSEN Pin Voltage BATT=CT=1.5V, VSYS1=VSYS2=0V, Io=-2mA Starting Time CT=0V, Io=-10mA, EI=0.7V, SPRT=0V CT=2.0V, Io=10mA CT=470pF, VSYS1=VSYS2=0V Starting Time CT=470pF, CLK=0V CT=470pF CT=470pF, EO=0.5V→0.7V Sweep CT=470pF, VSYS1=VSYS2=0V CT=470pF, EI=0.7V, CLK=0V CT=470pF, EI=0.7V 3.05 1.4 3.20 1.6 3.35 0.3 V V V V μA μA μA kΩ V V V V 6 12 12 175 1.10 8.0 0.78 1.00 0 10 20 20 220 1.20 8.4 0.98 1.50 0.30 80 70 88.2 0.1 16 32 32 265 1.30 9.0 1.13 VSW1H VSW2H VSW2L fSW1 fSW2 fSW3 TSWmin DSW1 DSW2 DSW3 65 60 0.01 40 70 65 0.45 95 82 0.60 V kHz kHz kHz μs % % % 50 80 75 60 90 85 VOFTH IOFF VSTATH1 VSTATH2 ISTART VCLKTHH VCLKTHL ICLK RDEAD VDEAD EI=1.3V OFF=0V VSYS1=VSYS2=0V, CT=2.0V VSYS1=VSYS2=0V, CT=2.0V START=0V 75 95 BATT0.3 10 13 2.0 VSYS1- V 2.0 115 μA BATTV 1.0 V 30 19 0.8 10 μA V V μA kΩ V 20 16 CLK=3.2V 52 0.78 65 0.88 78 0.98 UTC UNISONIC TECHNOLOGIES CO., LTD. 8 QW-R109-009,A UTC MM1538 PARAMETER Starter Switching Vol