mm1538 Mitsumi Electronics, Corp., mm1538 Datasheet
mm1538
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mm1538 Summary of contents
Page 1
... Allows switching of empty detection level for rechargeable batteries and dry batteries 5. Resistance value can be charged in the constant-current charging system with an external resistor 6. Includes a power transistor for charging 7. Incorporates an independent thermal shutdown circuit Package QFP-44B Application Portable CD radio cassette players 4-ch Motor Driver for Portable CD Players MM1538 ...
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... HVcc 36 PSW 37 CLK 38 CLK START 39 40 OFF 41 TSD CHGVcc 42 SEL 43 PREGND PWMFIL BSEN BATT 4-ch Motor Driver for Portable CD Players MM1538 OUT1F OUT2R OUT2F POWGND OUT3F OUT3R OUT4F BTL BTL BTL TSD MAXIMUM DETECTION OVER-VOLTAGE RESET DEAD SW ...
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... EMP PSW 37 CLK 38 START 39 OFF 40 CHGV 41 CC SEL 42 PREGND 43 PWMFIL BSEN BATT RESET DEAD 4-ch Motor Driver for Portable CD Players MM1538 POWGND OUT3F OUT3R OUT4F OUT4R BRAKE1 MM1538XQ BSEN 23 BATT 2 24 RESET 3 25 ...
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... RESET Output 3 DEAD Input 4 SW Output 5 EO Output 6 4-ch Motor Driver for Portable CD Players MM1538 Function Battery Voltage Monitor Battery Power Supply Input Reset Detect Output DEAD Time Setting Transistor Drive For Voltage Multiplier Error Amplifier Output Internal Equivalent Circuit 1 16.5kΩ 71kΩ ...
Page 5
... N.C. 10 OP- Input 11 OP+ 14 VSYS1 Input 12 OPOUT Output 13 4-ch Motor Driver for Portable CD Players MM1538 Function Error Amplifier Input Short Circuit Protection Setting Triangular-Wave Output Op Amp Negative Input Op Amp Positive Input Control Circuit Power Supply Input Op Amp Output Internal Equivalent Circuit VSYS1 35kΩ ...
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... POWGND 28 HV Input 36 CC RCHG Input 33 4-ch Motor Driver for Portable CD Players MM1538 Function Driver Pre-step Power Supply Reference Voltage Input ch3 Control Signal Input ch4 Control Signal Input ch2 Control Signal Input ch1 Control Signal Input ch3 and 4 Mute ch2 Mute ...
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... Output 35 PSW Output 37 CLK Input 38 START Input 39 OFF Input 40 4-ch Motor Driver for Portable CD Players MM1538 Function Reset Invert Output Empty Detect Output PWM Transistor Drive External Clock Synchronizing Input Voltage Multiplier DC-DC Converter Start Voltage Multiplier DC-DC Converter OFF Internal Equivalent Circuit BATT 34 95kΩ ...
Page 8
... Output PREGND 43 PWMFIL Input 44 * The positive and negative outputs are the polarity with respect to the input 4-ch Motor Driver for Portable CD Players MM1538 Function Charging Circuit Power Supply Input Empty Detect Level Switch Pre Section Power Supply Ground PWM Phase Compensation Internal Equivalent Circuit ...
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... 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 4-ch Motor Driver for Portable CD Players MM1538 (Ta=25°C) Symbol ...
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... 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 4-ch Motor Driver for Portable CD Players MM1538 (unless otherwise specified, Ta=25°C , BATT=2.4V, VSYS1=VSYS2=3.2V,Vref=1.6V, CHGVcc=0V,fCLK=88.2kHz) Symbol Measurement Conditions V IN2=1 ...
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... Output Drive Current (Source) Output Drive Current (Sink) Open Loop Voltage Gain Slew Rate <Battery Charging Circuit> RCHG Pin Bias Voltage 4-ch Motor Driver for Portable CD Players MM1538 (unless otherwise specified, Ta=25°C , BATT=2.4V, VSYS1=VSYS2=3.2V,Vref=1.6V, CHGVcc=0V,fCLK=88.2kHz) Symbol Measurement Conditions I START=0V ...
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... SEL b SW27 43 PREGND 44 PWMFIL V SW28 100k 2200p 10p 100µ 4-ch Motor Driver for Portable CD Players MM1538 (unless otherwise specified, Ta=25°C , BATT=2.4V, VSYS1=VSYS2=3.2V,Vref=1.6V, CHGVcc=0V,fCLK=88.2kHz) Symbol Measurement Conditions R CHGV =4.5V, RCHG=0.5 and 0.6V RCHG CC I CHGV =4.5V, RCHG=OPEN, BATT=4.5V SELLK1 CC I CHGV =0.6V, RCHG=1.8kΩ ...
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... SW Pin Oscillating Frequency 1 SW Pin Oscillating Frequency 2 SW Pin Oscillating Frequency 3 SW Pin Minimum Pulse Width Pulse Duty Start Max. Pulse Duty At Self-Running Max. Pulse Duty At CLK Synchronization - : Turn off switch 4-ch Motor Driver for Portable CD Players MM1538 SW No ...
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... VSYS1 Pin RESET Threshold Voltage Ratio RESET Detection Hysteresis Width RESET Pin Output voltage RESET Pin PULL UP Resistance AMUTE Pin Output Voltage 1 AMUTE Pin Output Voltage 2 AMUTE Pin PULL DOWN Resistance - : Turn off switch 4-ch Motor Driver for Portable CD Players MM1538 SW No ...
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... Input Bias Current Input Offset Voltage "H" Level Output Voltage "L" Level Output Voltage Output Drive Current (Source) Output Drive Current (Sink) Open Loop Voltage Gain Slew Rate - : Turn off switch 4-ch Motor Driver for Portable CD Players MM1538 Item ...
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... Switching Position Table Item Voltage Gain Gain Error By Polarity Input pin resistance Maximum Output Voltage Saturation Voltage (Lower) Saturation Voltage (Upper) Input Offset Voltage Output Offset Voltage Dead Zone - : Turn off switch 4-ch Motor Driver for Portable CD Players MM1538 SW No ch1R - - - b ...
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... Leak Current CC PWM Amp Transfer Gain Item CHGSET Pin Bias Voltage CHGSET Pin Output Resistance SEL Pin Leak Current 1 SEL Pin Leak Current 2 SEL Pin Saturation Voltage - : Turn off switch 4-ch Motor Driver for Portable CD Players MM1538 SW No ch1 - - - ...
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... V 1 (-)=20 log VO3-VO4 Gain Error By Polarity G =G (+)-G (-) Dead Zone XC-XC'= V 2·VO1-V IN VO1-VO2 4-ch Motor Driver for Portable CD Players MM1538 XC' XC Dead Zone Output voltage:V (mV 1·VO2 V 3·VO4-V 4·VO3 IN IN ...
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... In the event a problem which may affect industrial property or any other rights third party is encountered during the use of information described in these circuit, Mitsumi Electric Co., Ltd. shall not be liable for any such problem, nor grant a license therefor. 4-ch Motor Driver for Portable CD Players MM1538 M M ...
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... This detects the maximun output level from among the four channels, and supplies the load drive power supply(36PIN)for the PWM. The external components are a PNP transistor, coil, Schottky diode,and capacitor. BATT 10pF 100kΩ 2200pF 44 PWMFIL 4-ch Motor Driver for Portable CD Players MM1538 R:Externally-connected input (db (db 33µH 47µ ...
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... When low-level is applied to OFF(40PIN), SPRT(8PIN)is charged, and when the voltage reaches 1.2V typ. , the SW(5PIN)switching stops. The time until switching stops is set by the capacitor connected to SPRT(8PIN)according to the following formula t=CSPRT (sec OFF 4-ch Motor Driver for Portable CD Players MM1538 R2 · R2+R4 ( ...
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... RCHG(33PIN)and GND sets the charging current. This current is drawn from SEL(42PIN). · A thermal shutdown circuit is provided,and when the chip temperature reaches 150°C typ. the charging current is cut. The chip starts operating again at about 120°C typ. . 4-ch Motor Driver for Portable CD Players MM1538 =1.2V, I =20µA) TH ...
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... Daed Zone 0.006 Ta=normal temperature • 0.004 BATT=HV =4V • CC VSYS1=VSYS2=3.2V • 0.002 Vref=1.6V • 0 -0.002 20Ω 8Ω -0.004 -0.006 -30 -20 4-ch Motor Driver for Portable CD Players MM1538 20Ω -0.4 -0.2 0 Input voltage:V (V) IN 8Ω 4Ω -0.4 -0.2 0 Input voltage:V (V) IN 4Ω -10 0 Out voltage:V (mV =∞ ...
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... MITSUMI Characteristics Error Amp Output Voltage 2.0 1.8 Ta=normal temperature 1.6 BATT=2.4V 1.4 1.2 1.0 0.8 0.6 0.4 0 0.5 Resete Pin Voltage 4.5 4.0 Ta=normal temperature 3.5 BATT=2.4V 3.0 2.5 2.0 1.5 1.0 0 0.5 4-ch Motor Driver for Portable CD Players MM1538 1.0 1.5 2.0 Control Circuit Power Supply voltage:VSYS1(V) 1.0 1.5 2.0 2.5 Control Circuit Power Supply voltage:VSYS1(V) EO PIN DAED PIN 2.5 3.0 3.5 4.0 3.0 3.5 4.0 ...