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MITSUMI
CD
4ch
IC MM1538
CD
4ch
IC
IC MM1538
IC IC CD QFP - 44 4ch H DC - DC
(1) (2) (3) (4) (5) (6) (7)
4ch H DC - DC
PWM
QFP - 44
CD
MITSUMI
CD
4ch
IC MM1538
MITSUMI
CD
4ch
IC MM1538
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
BSEN BATT RESET DEAD SW EO EI SPRT CT N.C. OP- VSYS1 OPOUT OP+ VSYS2 Vref IN3 IN4 MUTE34 IN2 MUTE2 IN1
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
BRAKE1 OUT4R OUT4F OUT3R OUT3F POWGND OUT2F OUT2R OUT1F OUT4R RCHG AMUTE EMP HVcc PSW CLK START OFF CHGVcc SEL PREGND PWMFIL
MITSUMI
CD
4ch
IC MM1538
1
BSEN
2
BATT
3
RESET
4
DEAD
5
SW
6
EO
MITSUMI
CD
4ch
IC MM1538
7
EI
8
SPRT
9
CT
10
N.C.
11 14
OP- OP+
12
VSYS1
13
OPOUT
MITSUMI
CD
4ch
IC MM1538
15
VSYS2
16
Vref
17 18 20 22
IN3 IN4 IN2 IN1
ch3 ch4 ch2 ch1
19 21 23
MUTE34 MUTE2 BRAKE1
ch3 ch4 ch2 ch1
24 25 26 27 29 30 31 32 28 36 33
OUT4R OUT4F OUT3R OUT3F OUT2F OUT2R OUT1F OUT1R POWGND HVcc RCHG
ch4 ch4 ch3 ch3 ch2 ch2 ch1 ch1
H
MITSUMI
CD
4ch
IC MM1538
34
AMUTE
35
EMP
37
PSW
PWM
38
CLK
39
START
DC - DC
40
OFF OFF
DC/DC
MITSUMI
CD
4ch
IC MM1538
41
CHGVcc
42
SEL
43
PREGND
44
PWMFIL
PWM
MITSUMI
CD
4ch
IC MM1538
(Ta=25C)
Vcc Io Pd TOPR Tstg
1
13.5 500 625 -30 -55
5mW
V mA 2 mW C C
+85 +150
1 Vcc VSYS1, VSYS2, HVcc, BATT, CHGVcc 2 Ta=25C 1C
VSYS1 VSYS2 H HVcc BATT CHGVcc Ta
2.7 2.7 -- 1.5 3.0 --10
3.2 3.2 PWM 2.4 4.5 25
5.5 5.5 BATT 8.0 8.0 70
V V V V V C
Ta=25C BATT=2.4V VSYS1=VSYS2=3.2V Vref=1.6V CHGVcc=0V fCLK=88.2kHz
BATT BATT VSYS1 VSYS2 CHGVcc H ch1,ch3,ch4 ch2 IN IN Tr Tr ch1,ch3,ch4 ch2
IST IBAT ISYS1 ISYS2 ICGVCC GVC134 GVC2 GVC RIN134 RIN2 VOUT VsatL VsatU VOI VOO134 ch2 VOO2 VDB VBRON VBROFF VM20N
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 12 21.5 -2 IN = 1.7V IN = 1.7V 1.8V 1.8V 3.2V 3.2V -8 Vref = IN = 1.6V Vref = IN = 1.6V IN1 = 1.8V IN1 = 1.8V IN2 = 1.8V 2.0 -50 -130 -10 2.0 9 6 1.9
0 2.5 4.7 4.1 0.65 14 23.5 0 11 7.5 2.1 240 240 0 0 0 0
3 4.0 6.4 5.5 2.00 16 24.5 2 13 9 400 400 8 50 130 10 0.8
A mA mA mA mA dB dB dB k k V mV mV mV mV mV mV V V V
RL = 8, HVcc = BATT = 4.0V, IN = 0-3.2V Io = -300mA, IN = 0 Io = -300mA, IN = 0
BRAKE1 ON BRAKE1 OFF MUTE2 ON
MITSUMI
CD
4ch
IC MM1538
Ta=25C BATT=2.4V VSYS1=VSYS2=3.2V Vref=1.6V CHGVcc=0V fCLK=88.2kHz
H MUTE2 OFF MUTE34 ON MUTE34 OFF Vref ON Vref OFF BRAKE1 PWM PSW HVcc HVCC PWM DC-DC VSYS1 EO EO SPRT SPRT SPRT SPRT SPRT SPRT 1 EO=H 2 OFF=L 3 H L VS1TH VEOH VEOL VSPR ISPR1 ISPR2 ISPR3 RSPR VSPTH VHVPR EI = 0.7V, CT = 0V BSEN BATT = CT = 1.5V, VSYS1 = VSYS2 = 0V, Io = -2mA, CT = 2.0V, Io = 10mA CT = 470pF, VSYS1 = VSYS2 = 0V, CT = 470pF, CLK = 0V CT = 470pF CT=470pF, EO=0.5V T 0.7V CT = 470pF, VSYS1 = VSYS2 = 0V CT = 470pF, EI = 0.7V, CLK = 0V CT = 470pF, EI = 0.7V EI = 1.3V OFF = 0V VSYS1 = VSYS2 = 0V, CT = 2.0V VSYS1 = VSYS2 = 0V, CT = 2.0V BATT-0.3 75 95 0.01 40 70 65 50 80 75 65 60 EI = 0.7V, Io = -100 A EI = 1.3V, Io = 100 A EI = 1.3V EI = 0.7V EI = 1.3V, OFF = 0V EI = 1.3V, BATT = 9.5V 6 12 12 175 1.10 8.0 0 10 20 20 220 1.20 8.4 3.05 1.4 3.20 1.6 0.3 0.1 16 32 32 265 1.30 9.0 3.35 V V V V A A A k V V IPSW VSHIF IHLK GPWM IN1 = 2.1V IN1 = 1.8V, HVCC - OUT1F HVCC = 9.0V, VSYS1 = VSYS2 = BATT = 0V IN1 = 1.8V, HVCC = 1.2 1.4V 1/60 10 0.35 13 0.45 0 1/50 17 0.55 5 mA V A VM2OFF VM34ON VM34OFF VrefON VrefOFF IBRAKE1 IN2 = 1.8V IN3 = IN4 = 1.8V IN3 = IN4 = 1.8V IN1 = IN2 = IN3 = IN4 = 1.8V IN1 = IN2 = IN3 = IN4 = 1.8V BRAKE1 "H" "L" 4 7 2.0 1.2 0.8 10 0.8 0.8 V V V V V mA
1/40 1/k
SW SW SW SW SW SW SW
1 2 2
H H L 1 2 3
VSW1H VSW2H VSW2L fSW1 fSW2 fSW3 TSWMIN DSW1 DSW2
0.78
0.98 1.50 0.30 80 70 88.2
1.13
V V
CT = 0V, Io = -10mA, EI = 0.7V, SPRT = 0V 1.00
0.45 95 82 0.60 60 90 85 VSYS1-2.0 115 BATT-1.0
V kHz kHz kHz s
CLK OFF OFF START START ON OFF
DSW3 VOFTH IOFF VSTATH1 VSTATH2
V A V V
MITSUMI
CD
4ch
IC MM1538
Ta=25C BATT=2.4V VSYS1=VSYS2=3.2V Vref=1.6V CHGVcc=0V fCLK=88.2kHz
START CLK CLK CLK DEAD DEAD H L
ISTART VCLKTHH VCLKTHL ICLK RDEAD VDEAD VSTNM VSNHS VDIS 1 2 1 2 VEMPT1 VEMPT2 VEMHS1 VEMHS2 VEMP IEMPL RBSEN IBSEN VSELTH ISELT HSRT VRSTHS VRST RRST 1 2 VAMT1 VAMT2 RAMT IBIAS VOIOP
START = 0V
10 13 2.0
20 16
30 19 0.8
A V V A k V V mV V V V mV mV V A k A V A
CLK = 3.2V 52 0.78 VSYS1 = VSYS2 = 0V T 3.2V, START = 0V START = 0V 2.3 130 1.63 VSEL = 0V ISEL = -2A VSEL = 0V ISEL = -2A Io = 1mA, BSEN = 1V BSEN = 2.4V VSEL = 0V VSYS1 = VSYS2 = 0V, BSEN = 4.5V VSELTH = BATT - SEL, BSEN = 2.0V 1.5 -2 85 25 Io = 1mA, VSYS1 = VSYS2 = 2.8V 72 Io = -1mA, VSYS1 = VSYS2 = 2.8V BATT-0.4 77 OP+ = 1.6V -5.5 RL = OPEN RL = OPEN 50 50 GND VSYS1 0.4 -6.5 0.7 70 0.5 2.8 0 95 Io =-1mA , START = 0V, VSYS1 = VSYS2 = 0V BATT-0.4 90 90 50 17 23 2.1 1.7 25 25 65 0.88 2.5 200 1.83 2.2 1.8 50 50
10 78 0.98 2.7 300 2.03 2.3 1.9 100 100 0.5 1.0 27 1.0
EMP EMP BSEN BSEN SEL SEL VSYS1 RESET RESET AMUTE AMUTE AMUTE
95 100 0.5 108 BATT BATT 113 300 5.5 0.2 -3.0 mV V k V V k nA mV V V mA mA dB V/s
H L
VOHOP VOLOP ISOU ISIN GVO SR
VIN = -7.5dBV, f = 1kHz
MITSUMI
CD
4ch
IC MM1538
Ta=25C BATT=2.4V VSYS1=VSYS2=3.2V Vref=1.6V CHGVcc=0V fCLK=88.2kHz
RCHG RCHG SEL SEL SEL 1 2
VRCHG RRCHG ISELLK1 ISELLK2 VSELCG
CHGVcc = 4.5V, RCHG = 1.8k CHGVcc= 4.5V, RCHG = 0.5V 0.6V CHGVcc = 4.5V, RCHG = OPEN, BATT = 4.5V CHGVcc = 0.6V, RCHG = 1.8k, BATT = 4.5V CHGVcc = 4.5V, Io = 300mA, RCHG = 0
0.71 0.75
0.81 0.95
0.91 1.20 1.0 1.0
V k A A V
0.45
1.00
MITSUMI
CD
4ch
IC MM1538
SW
SW No. 1 BATT BATT VSYS1 VSYS2 CHGVCC VSYS1 EO EO SPRT SPRT SPRT SPRT SPRT SPRT 1 EO = H 2 OFF = L 3 H L - - - - - - - - - - - a - - a SW SW SW SW SW SW SW 1 2 2 H H L 1 2 3 - - - - - - - - - CLK -
SW
4 - - - - - - - - - - - - - - - a a a b b b b b b b
5 - - - - - a a a - - - - - - - - - - - - - b - - -
6 - - a - - - a a a a a a - a - - a - - - - - - - a
7 - - - - - - - - a b b b b a a - b - - - - - - - -
8 - - - - - - - - - - - - - a - a a a b b b b b b b
22 - a a a - - - - - - - - - - - - - - - - - - - - -
24 - - - - - - - - - - - - - - - - - - - b a - b b a
25 - a a a - - - - - - - - - - - a - - a - - - a - -
26 - - - - - - - - - - a - - - - - - - - - - - - - -
-
MITSUMI
CD
4ch
IC MM1538
SW
SW No. 2 DEAD DEAD OFF OFF START START START CLK CLK CLK H L ON OFF - - - - - - - - - - - - - VSYS1 b b RESET RESET AMUTE AMUTE AMUTE -
SW
3 b a - - - - - - - - - - - - - - - - - -
4 - - - - a a - a a - a a - - - - - - - -
6 - - a - - - - - - - - - - - - - - - - -
7 - - a - - - - - - - - - a - - - - - - -
8 - - - - a a - b b - - - - - - - - - - -
20 - - - - - - - - - - - - - - - - - b b a
24 - - - - - - - b b a - - - - - - - - - -
25 - - - - a a a - - - a a - - - - - - a -
26 - - a a - - - - - - - - - - - - - - - -
b a 1 2 - - -
MITSUMI
CD
4ch
IC MM1538
SW
SW No. 1 1 2 1 2 EMP EMP BSEN BSEN SEL SEL a a a a a a a a a a - - H L - - - - - - -
SW
9 - - a - - - - - - - - - b a
10 - - - - - - - - - - a d c c d
11 - - - - - - - - - - - - - - b a - -
12 - - - - - - - - - - - - - - - - a a
21 a a a a b c - - a a - - - - - - - -
27 a b a b - - a - a b - - - - - - - -
- - -
d b d
MITSUMI
CD
4ch
IC MM1538
SW
SW No. 13 ch1R ch2R ch3R ch4R ch1 ch2 ch3 ch4 ch1 ch2 ch3 ch4 ch1R ch2R ch3R ch4R ch1F ch1R ch2F ch2R ch3F ch3R ch4F ch4R ch1F ch1R ch2F ch2R ch3F ch3R ch4F ch4R ch1 ch2 ch3 ch4 ch1 ch2 ch3 ch4 ch1 ch2 ch3 ch4 - - b - - - b - - - b - - - b - - - - - b b - - - - - - b b - - - - a - - - b - - - b - 14 - - - b - - - b - - - b - - - b 15 - b - - - b - - - b - - - b - - - - b b - - - - - - b b - - - - - a - - - b - - - b - - 16 b - - - b - - - b - - - b - - - b b - - - - - - b b - - - - - - a - - - b - - - b - - - 17 b b b b b b b b b b b b b b b b a - a - a - a - a - a - a - a - - - - - b b b b b b b b 18 b b b b b b b b b b b b b b b b - a - a - a - a - a - a - a - a - - - - b b b b b b b b 22 a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
IN
Tr
Tr
b b - - - - - - b b - - - a - - - b - - - b
-
SW
MITSUMI
CD
4ch
IC MM1538
SW
SW No.
13 BRAKE1 ON BRAKE1 OFF MUTE2 ON MUTE2 OFF MUTE34 ON MUTE34 OFF ch1 ch1 ch2 ch2 ch3 ch4 ch3 ch4 ch1 ch2 ch3 ch4 ch1 ch2 ch3 ch4 ch1 - - - - b - b - - - b - - - b - - - - - -
14 - - - - - b - b - - - b - - - b - - - - -
15 - - b b - - - - b - - - b - - - - - - -
16 b b - - - - - - b - - - b - - - b b b - b
17 b b b b b b b b b b b b b b b b b - b b b
18 b b b b b b b b b b b b b b b b b - b b b
22 a a a a a a a a a a a a a a a a a a b a a
23 - - - - - - - - a - - - - - - - - b a - -
28 - - - - - - - - - - - - - - - - - a b - -
Vref ON
Vref OFF
BREAK1
PWM
HVCC HVCC PWM
SW No. 19 CHGSET CHGSET SEL SEL SEL
- SW
27 - - a a b
a b 1 2 - a b
MITSUMI
CD
4ch
IC MM1538
SW
GVC (+) = 20log
VO1-VO2 VIN1-VIN2 VO3-VO4 VIN3-VIN4
GVC (-) = 20log
GVC = GVC (+) - GVC (-)
XC-XC' =
VIN3 * VO4-VIN4 * VO3 VIN2 * VO1-VIN1 * VO2 - VO1-VO2 VO3-VO4
MITSUMI
CD
4ch
IC MM1538
* *
MITSUMI
CD
4ch
IC MM1538
1 (1)
H
*
ch1, 3, 4
11k
ch2
7.5k
ch1 ch2 ch3 ch2
GV=20log
55k 11k+R 110k 7.5k+R
(db)
R
GV=20log
(db)
HVCC IC (2) * * * * (3) Vref * (4) * 150C Vref (16PIN) 4ch BRAKE1 MUTE2 MUTE34 (23PIN) (21PIN) (19PIN)
(36PIN) 0.1F
VSYS2
(15PIN)
ch1 H H L ch1 ch2 ch3 ch4
ch L
1.0V
120C
2 *
PWM 4ch PNP PWM (36PIN)
MITSUMI
CD
4ch
IC MM1538
3 (1)
DC - DC
*
3.2V
R1 * R3 + R2 * R4 R1 + R3 R2 * R4 (V) VSYS1 = 1.2 R2 * R4 R2 + R4
(2) * SW SPRT t = CSPRT (6PIN) (5PIN) (8PIN) H SPRT SPRT (8PIN) SW 1.2V
VTH (sec) (VTH = 1.2V ISPRT = 10A) ISPRT
(3) * DEAD (4PIN) GND 4PIN
t = CDEAD R (sec) (R = 65k) (4) * SPRT t = CSPRT OFF SW (8PIN) VTH (sec) (VTH = 1.2V IOFF = 20A) IOFF (40PIN) (5PIN) L SPRT SPRT SW 1.2V
MITSUMI
CD
4ch
IC MM1538
(5) * BSEN SW SPRT t = CSPRT (1PIN) (5PIN) (8PIN) 8.4V SPRT SPRT SW 1.2V
VTH (sec) (VTH = 1.2V IHV = 20A) IHV
4 * BSEN (1PIN) 50mV EMP (35PIN) SEL H L (42PIN)
SEL L High-Z
2.20V 1.80V
2.25V 1.85V
5 * AMUTE 6 * GND 120C CHGVCC (41PIN) SEL 150C (42PIN) RCHG (33PIN) DC - DC (34PIN) H 90% L RESET (3PIN) 50mV L H
MITSUMI
CD
4ch
IC MM1538
(ch2)
MITSUMI
CD
4ch
IC MM1538

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