1/6
Structure
Product Name
:
:
Silicon Monolithic Integrated Circuit
Power control for portable CDs
Device Name
:
BH6584KV
Features
:
• Low power consumption
• Low ON resistance
• VQFP_48C package
<Power Control Part>
• Step-up DC/DC converter for microcomputers (With a built-in switching Tr)
• Main step-up/step-down DC/DC converter (With a built-in switching Tr)
• Sub step-up DC/DC converter (With a built-in switching Tr)
• VG step-up circuit for driving power MOS (With a built-in switching Tr)
• Ripple filter circuit
• Step-down regulator circuit (2.9V/3.8V, 1.5V)
• Reset circuit
<Driver Part>
• Incorporating four channels of power MOS H-bridge drivers
• Supporting digital input
• Direct PWM driving method
{ ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
Parameter
Symbol
Limits
Unit
H-bridge Power Supply Voltage
PVCC
7
V
Battery Power Supply Voltage
PVCC0,PVCC1
7
V
Power Supply Voltage for Microcomputer
VMC
7
V
Power Supply Voltage for Core
REGOUT
7
V
System Power Supply Voltage
SVCC
7
V
Sub Power Supply Voltage
VSUB
7
V
AC Adaptor Power Supply Voltage
PVCC2
7
V
Pre Driver Power Supply Voltage
VG
7
DSW, USW Output Current
IO
3
Power Dissipation
Pd
1180
Operating Temperature Range
Topr
-30 to 85
°C
Storage Temperature Range
Tstg
-55 to 150
°C
V
*1
A
*2
mW
*1) Maximum time period for applying voltage: 5msec, interrupted current with Duty1/10 or less
*2) When mounted on the PCB board (glass/epoxy board with the size: 70 mm×70 mm, the thickness:
1.6 mm). Over Ta=25°C, derating at the rate of 9.5mW/°C.
{ RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
MIN
TYP
MAX
H-bridge Power Supply Voltage
PVCC
1.5
2.4
4.5
V
Battery Power Supply Voltage
PVCC0,PVCC1
1.5
2.4
4.5
V
Power Supply Voltage for Microcomputer
VMC
2.0
2.5
4.5
V
Power Supply Voltage for Core
REGOUT
1.4
1.5
1.6
V
System Power Supply Voltage
SVCC
2.0
2.5
4.5
V
Sub Power Supply Voltage
VSUB
2.0
3.2
4.5
V
PVCC2
2.0
4.5
6.5
V
VG
5.0
6.0
6.9
V
Ta
-10
25
70
°C
AC Adaptor Power Supply Voltage
Pre Driver Power Supply Voltage
Ambient Temperature
*3
Unit
*3) When supplied externally without using the built-in step-up circuit.
This product has not been checked for the strategic materials (or service) defined in the Foreign
Exchange and Foreign Trade Control Low of Japan so that a verification work is required before
exporting it.
Not designed for radiation resistance.
REV. A
2/6
{ ELECTRIC CHARACTERISTICS
(PVCC1=2.4V, SVCC=VMC=2.5V, VSUB=3.2V, VG=6V, Ta=25°C, unless otherwise noted.)
Parameter
<Whole Circuit>
PVCC0+PVCC1+PVCC Standby Current
VMC Standby Current
VG Standby Current
PVCC0 + PVCC1 Consumption Current
PVCC2 Consumption Current
SVCC Consumption Current
VSUB Consumption Current
LMC Terminal Leak Current
VG Consumption Current
LG Terminal Leak Current
<H-bridge Driver>
Symbol
MIN
TYP
MAX
Unit
IPVCC01ST
IVMCST
IVGST
IPVCC01
IPVCC2
ISVCC
IVSUB
IMCLK
IVG
I LGLK
-
100
23
0.7
0.9
1.8
0.1
0.14
-
170
50
3
1.3
1.7
2.7
0.2
3
0.3
3
uA
uA
uA
mA
mA
mA
mA
uA
mA
uA
Output ON Resistance
RON
-
1.8
2.8
Ω
H-level Input Voltage
L-level Input Voltage
Output Propagation Delay Time Difference
VIH
VIL
tRISE
tFALL
∆tRF
1.75
-50
65
40
25
0.75
300
300
200
V
V
nsec
nsec
nsec
Minimum Input Pulse Width
Tmin
-150
-
-
nsec
VMON1
VMON2
1.1
1.4
1.2
1.55
1.3
1.7
V
V
SVCC=1.5V, PVCC1=4.5V
SVCCTH
VEOTH
VEOL
VSUBTH
2.43
1.1
3.00
2.50
1.3
3.20
2.57
0.4
3.40
V
V
V
V
IEO=100 µA
IEO=60 µA
fCLK=88.2kHz
VSPRTIN
ISPRT1
ISPRT2
4
8
6
12
0.2
9
18
V
uA
uA
PVCC2=6.8V
ISPRT3
1
2.5
4
UA
SVCC=0V
RSPRT
VSPRTTH
240
0.4
320
0.5
400
0.6
kΩ
V
VSPRTTH2
0.2
0.35
0.5
V
VHVPR
6.2
6.5
6.8
V
VSOFT
ISOFT
RSOFT
1.5
7
180
2
10
220
2.5
13
280
V
uA
kΩ
VSTATH1
VSTATH2
ISTART
VCLKTHH
VCLKYHL
VCLK
1.0
51
1.5
11
61
18
0.3
77
0.5
25
V
V
uA
V
V
uA
Output Propagation Delay Time
<PVCC2 Monitor Terminal>
Monitor Terminal Voltage 1
Monitor Terminal Voltage 2
<Step-up/Step-down Converter>
SVCC Terminal Threshold Voltage
EO Terminal Output Voltage H
EO Terminal Output Voltage L
VSUB Terminal Threshold Voltage
<Short Protect Part>
SPRT Terminal Voltage (normal)
SPRT Terminal Current 1 EO = H
SPRT Terminal Current 2 Overcurrent
SPRT Terminal Current 3 Overcurrent
At Ground Fault
SPRT Terminal Impedance
SPRT Terminal Threshold Voltage
SPRT Terminal Threshold Voltage
At Ground Fault
Overvoltage Protection Detection Voltage
<Soft Start Part>
SOFT Terminal Output Voltage
SOFT Terminal Current
SOFT Terminal Impedance
<Interface Part>
START Terminal ON Threshold Voltage
START Terminal OFF Threshold Voltage
START Terminal Bias Current
CLK Terminal Threshold Voltage H
CLK Terminal Threshold Voltage L
CLK Terminal Bias Current
REV. A
Condition
SVCC=VSUB=0V, VMC=3V
SVCC=VSUB=0V, VMC=3V
SVCC=VSUB=0V, VMC=3V
PVCC2=5V
LMC=6V, SVCC=VSUB=0V
fCLK=88.2kHz
LG=6V, SVCC=VSUB=0V
Sum of ON resistances (top +
bottom)
tRISE-tFALL
Output pulse width 1/2tmin or
above
SVCC=0V
START=2.5V
fCLK=88.2KHz
fCLK=88.2KHz
VCLK=2.5V
3/6
Parameter
<Coil Drive Part>
DSW Terminal ON Resistance H
DSW Terminal ON Resistance L
USW Terminal ON Resistance H
USW Terminal ON Resistance L
SSW Terminal ON Resistance H
SSW Terminal ON Resistance L
DSW Terminal Leak Current H
DSW Terminal Leak Current L
USW Terminal Leak Current H
USW Terminal Leak Current L
SSW Terminal Leak Current H
SSW Terminal Leak Current L
<Power Supply for Microcomputer Part>
LMC Terminal Oscillation Frequency
LMC Terminal Output Voltage L
VMC Terminal Threshold Voltage
Symbol
MIN
TYP
MAX
Unit
RDSWH
RDSWL
RUSWH
RUSWL
RSSWH
RSSWL
IDSWLKH
IDSWLKL
IUSWLKL
IUSWLKL
ISSWLKH
ISSWLKL
-
0.6
0.6
1.0
1.0
Ω
Ω
-
0.6
1.0
Ω
-
2
3.3
Ω
ISSW=100mA
-3
-3
-3
-
3
3
3
-
uA
uA
uA
uA
uA
uA
START=2.5V, DSW=0V
START=2.5V, DSW=2.4V
START=2.5V, USW=0V
START=2.5V, SSW=0V
START=2.5V, SSW=3.2V
fLMC
VLLMC
70
-
105
0.1
140
0.2
kHz
V
VVMCTH
2.12
2.30
2.48
V
LMC=2.2V
LMC=2.2V
LMC=2.3V
VMC=2.3→3V
LMC=2.2V
VMC=VVMCTH→2V
IVMC=50mA
(Turn OFF the step-up
converter oscillation circuit for
microcomputer)
(Turn ON the step-up converter
oscillation circuit for
microcomputer)
VMC Terminal Threshold Hysteresis Voltage VVMCHYS
Condition
IDSW=500mA
IDSW=-500mA
IUSW=500mA
30
60
100
mV
RVMCSV
-
8
15
Ω
LMCSW Terminal ON Threshold Voltage
VLMSWON
1.5
-
-
V
LMCSW Terminal OFF Threshold Voltage
VLMSWOFF
-
-
0.5
V
<Starter Circuitry>
LG Terminal Oscillation Frequency
LG Terminal Maximum Pulse Duty
fLG
tLGMIN
75
72
100
80
125
88
kHz
%
LG Terminal Minimum Pulse Width
DLGMIN
0.1
-
0.5
Usec
LG Terminal Output Voltage L
VG Terminal Starter Detection Voltage
VG Terminal Starter Detection Hysteresis
Width
VG Terminal Threshold Voltage
<Main DC/DC Converter>
DSW Terminal Oscillation Frequency 1
DSW Terminal Oscillation Frequency 2
VLGL
VVGSTTH
3.1
0.1
3.6
0.2
4.1
V
V
VG=LG=5V
VG=LG=5V
LG=1V,
VG=5→7V
VG=LG=5V
VG=3→4.5V
VVGHYS
0.05
0.20
0.35
V
VG=VVGSTTH→3V
VVGTH
5.1
6.0
6.9
V
VLG=5V, VG=5→7V
fDSW1
fDSW2
46
-
58
88.2
70
-
kHz
kHz
DSW Terminal Minimum Pulse Width
tDSWMIN
0.01
-
0.5
usec
fUSW1
fUSW2
DUSWMAX
46
65
58
88.2
73
70
81
kHz
kHz
%
tUSWMIN
0.01
-
0.5
usec
fSSW1
fSSW2
DSSWMAX
tSSWMIN
46
65
0.01
58
88.2
73
-
70
81
2
kHz
kHz
%
usec
UP/DOWN Switching EO Dead Band Width VUDDEAD
-80
-45
-10
mV
USW Terminal Starter Frequency
USW Terminal Starter Duty
75
16
100
24
125
32
kHz
%
SVCC-VMC ON Resistance
USW Terminal Oscillation Frequency 1
USW Terminal Oscillation Frequency 2
USW Terminal Maximum Pulse Duty
USW Terminal Minimum Pulse Width
SSW Terminal Oscillation Frequency 1
SSW Terminal Oscillation Frequency 2
USW Terminal Maximum Pulse Duty
SSW Terminal Minimum Pulse Width
fUSWSTA
DUSWSTA
REV. A
EO=0.4V
EO=0.4V, fCLK=88.2kHz
EO=0.4V→0.7V
fCLK=88.2kHz
fCLK=88.2kHz
fCLK=88.2kHz
EO=0.7→0.4V
fCLK=88.2kHz
fCLK=88.2kHz
fCLK=88.2kHz
EO=0.4→0.7V sweep
FCLK=88.2kHz
4/6
Parameter
Symbol
<SVCC Circuitry>
Discharge Reset Voltage
VDIS
VSTN
Starter→Normal Switching Voltage
VNST
Normal→Starter Switching Voltage
Starter→Normal Switching Hysteresis Width VSTNHIS
<Reset Circuitry>
RESET1 ON Voltage 1
VRESON11
RESET1 ON Voltage 2
VRESON12
RESET1 ON Voltage 3
VRESON13
RESET1 Reset Voltage
VORESOFT1
RESET1 Terminal Output Voltage
VORESET1
RESET1 Terminal Leak Current
LKRESET1
<Ripple Filter Part>
AVCC-VSUB Voltage
VRF
AVCC Terminal ON Resistance
RAVCC
CRP Terminal Input Resistance
RCRP
AVCC Discharge Current
IAVCC
<Regulator Circuitry 1>
Regulator Output Voltage 1
Regulator Output Voltage 2
REGB Terminal Output Voltage
MIN
TYP
MAX
Unit
1.40
1.72
1.65
40
1.51
1.80
1.73
70
1.62
1.88
1.81
110
V
V
V
mV
1.34
1.71
1.99
-
1.42
1.8
2.1
-
0.4
1.50
1.89
2.21
0.4
3
V
V
V
V
V
uA
SPRT=0.6V
LMCSW=”L”
LMCSW=”H”
LMCSW=”L”, “H”
IRESET1=50 µA
170
16
1.7
205
3
21
2.5
240
10
25
4.0
mV
Ω
kΩ
mA
IAVCC=5mA
IAVCC=15mA, VCRP=3.2V
ICRP=5 µA, 10 µA
VAVCC=3.1V
VREG1
3.6
3.8
4.0
V
VREG2
2.7
2.9
3.1
V
VOREGB
-
-
1.7
V
REGB Terminal Leak Current
ILKREGB
-
-
3
uA
REGB Terminal Limit Current
ILMREGB
12
17
23
mA
REGB Terminal Current at Ground Fault
IDPREGB
-
100
300
uA
10
-
30
-
60
1.3
mV
V
PNPsat Limit Voltage
VSATLIM
PVCC2 Reduced-voltage Mute ON Voltage VPVCC2LV
PVCC2 Reduced-voltage Mute OFF
VPVCC2OF
Voltage
VCNT Terminal ON Threshold Voltage
VVCNTTH
VCNT Terminal OFF Threshold Voltage
VVCNOTH
VCNT Terminal Bias Current H
IVCNTH
VCNT Terminal Bias Current L
IVCNTL
<Regulator Circuitry 2>
REGOUT Output Voltage
VREGOUT
REGOUT Terminal ON Resistance
RREGOUT
Condition
VSTN-VNST
PVCC1=OPEN,
PVCC2=6V, VCNT=2.5V
PVCC1=OPEN,
PVCC2=6V, VCNT=0.6V
PVCC2=6V, IREG=10mA
PVCC1=3.2V,
PVCC2=6V, REGB=6V
PVCC2=6V
PVCC1=0V,
PVCC2=6V, REGB=6V
PVCC2=3.5V
PVCC2 specified
1.9
-
-
V
PVCC2 specified
1.5
15
-
33
-
0.5
50
3
V
V
uA
uA
VCNT=2.5V
VCNT=0V
1.4
-
1.6
-
1.6
20
V
Ω
IREGOUT=50mA
REV. A
5/6
{ OUTLINE DIMENSIONS
Product
Number
BH6584KV
A
Lot No.
(UNIT: mm)
REV. A
6/6
{ APPLICATION CIRCUIT DIAGRAM
SPINDLE
TRAVERSE
M
M
PVcc
35
34
R
F
HBRIDGE
4
33
32
R
F
HBRIDGE
3
31
TRACKING
FOCUS
AD_PVcc
36
SOFT
START
0.1μ
38
1μ
PRE
SHORT DRIVE4
PROTECT
29
R
F
HBRIDGE
2
PRE
DRIVE3
PRE
DRIVE2
28
27
R
F
HBRIDGE
1
PRE
DRIVE1
26
25
R
PVcc/2
MONITOR
LOGIC
1
37
30
F
R
RESET1
40
reg2
LOGIC
2
39
START/OFF
42
LMC SW
S
EI
ERROR
AMP
44 EO
45
F
LOGIC
4
43
R
LOGIC
3
41
P
CRP
FE(R)
23
FE(F)
22
TE(R)
21
TE(F)
20
TRV(R)
19
TRV(F)
18
SP(signal)
17
SP(polarity)
DSP
F
10μ
24
OSC
16
10μ
PVcc0
CLK
48
10μ
VMC
47
RIPPLE
UP
CON
VG
1
SUB UP
CONVERTER
FILTER
VG
AVcc
2
3
10μ
4
47μ
reg1
VSUB
5
SVcc
6
7
15
CLK
14
13
PVcc1
8
9
10
11
12
10μ
VMC
100μH
UP/DOWN
CONVERTER
PVcc2
46
VCNT
VCNT
VSUB
330μH
330μH
100μH
AVcc
SVcc
47μ
47μ
{ PIN Description
No.
Pin name
15
CLK
16
17
GND
IN4P
Description
Microcomputer power supply step-up coil
driving terminal
Power MOS driving circuit power supply
terminal
VG step-up coil driving terminal
Ripple filter output terminal
Sub power supply terminal
Sub step-up coil driving terminal
Control circuit power supply terminal
Main step-up/step-down coil driving terminal
2
Power part ground 1
Main step-up/step-down coil driving terminal
1
Battery power supply input terminal 1
Tr for regulator 1 driving terminal
AC adaptor power supply input terminal
Battery power supply input terminal 0
DC/DC converter external clock input
terminal
Pre part power supply ground
CH4 input terminal (polarity)
1
LMC
2
VG
3
4
5
6
7
LG
AVCC
VSUB
SSW
SVCC
8
USW
18
IN4S
CH4 input terminal (signal)
42
LMCSW
19
IN3F
CH3 forward input terminal
43
EI
20
IN3R
CH3 reverse input terminal
44
EO
21
22
23
24
IN2F
IN2R
IN1F
IN1R
CH2 forward input terminal
CH2 reverse input terminal
CH1 forward input terminal
CH1 reverse input terminal
45
46
47
48
CRP
VCNT
PGND4
VMC
9
PGND1
10
DSW
11
12
13
14
PVCC1
REGB
PVCC2
PVCC0
No.
Pin name
25
VMON
PVCC/2 monitor terminal
26
PGND2
Power part ground 2
27
28
29
30
31
OUT_1F
OUT_1R
OUT_2F
OUT_2R
PVCC
CH1 forward output
CH1 reverse output
CH2 forward output
CH2 reverse output
Power part power supply input terminal
32
OUT_3F
CH3 forward output
33
OUT_3R
CH3 reverse output
34
OUT_4F
CH4 forward output
35
36
37
38
OUT_4R
PGND3
SOFT
SPRT
CH4 reverse output
Power part ground 3
Soft start setting terminal
Power OFF time constant setting terminal
39
RESET1
Reset 1 detection output terminal
40
41
REGOUT
START
Regulator 2 output terminal
DC/DC converter ON/OFF terminal
Step-up converter for microcomputer oscillation
circuit ON/OFF terminal
Step-up/step-down DC/DC converter error amp
input terminal
Step-up/step-down DC/DC converter error amp
output terminal
Ripple filter smoothing capacitor connection terminal
Regulator voltage switching terminal
Power part ground 4
Power supply terminal for microcomputer
REV. A
Description
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level
of reliability and the malfunction of which would directly endanger human life (such as medical
instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers
and other safety devices), please be sure to consult with our sales representative in advance.
It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance
of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow
for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in
order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM
cannot be held responsible for any damages arising from the use of the products under conditions out of the
range of the specifications or due to non-compliance with the NOTES specified in this catalog.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact your nearest sales office.
ROHM Customer Support System
www.rohm.com
Copyright © 2007 ROHM CO.,LTD.
THE AMERICAS / EUPOPE / ASIA / JAPAN
Contact us : webmaster@ rohm.co. jp
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Appendix1-Rev2.0