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PDF BD8255MUV-M Data sheet ( Hoja de datos )
| Número de pieza | BD8255MUV-M | |
| Descripción | 6ch System Motor Driver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
System Motor Driver Series for CD・DVD・BD Player
6ch System Motor Driver
For Car AV
BD8255MUV-M
General Description
BD8255MUV-M is a 6ch motor driver developed for
driving coil actuator (2ch), sled motor (2ch), a loading
motor, and a three-phase motor for spindle. This can
drive the motor and coil of CD/DVD drive.
It has a built-in Serial Peripheral Interface (SPI) with a
max clock frequency of 35MHz, for interfacing with the
Micro-controller.
Features
Built-in Serial Peripheral Interface(SPI)
High efficiency at 180° PWM for spindle driver
Built-in 2-channel stepping motor driver for sled
Built-in loading driver short-circuit protection
Key Specifications
Ron(Spindle):
Ron(Loading):
Package
VQFN48SV7070
1.0Ω(Typ)
1.0Ω(Typ)
W(Typ) × D(Typ) × H(Max)
7.00mm × 7.00mm × 1.00mm
Applications
Car navigation
Car AV
Typical Application Circuit
VQFN48SV7070
PREGND
SPGND
SLGND
ACTGND
BD8255MUV-M
PREVCC
MM
Figure 1. Typical Application Circuit
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/43
TSZ02201-0G1G0BK00210-1-2
18.Apr.2014 Rev.003
1 page  
BD8255MUV-M
Datasheet
Electrical Characteristics (Unless otherwise specified, Ta=-40℃ to 90°C, VPRECC=VSPRNF=VSLRNF1=VSLRNF2=VAVM=5V,
VSHV=3.3V, RSPRNF=0.33Ω, RSLRNF=0.56Ω)
Parameter
Symbol
Min.
Limits
Typ
Max.
Unit
Conditions
Circuit Current
PREVCC Quiescent Current
IQ1
-
19
39
mA
MUTEB=H
SPI=72h FE, 70h FE
PREVCC Standby Current
Spindle Driver
IST1 - 3 6 mA MUTEB=L
Hall Bias Voltage
Input Bias Current
Input Level
Common Mode Input Range
Input Dead Zone (One Side)
Input-Output Gain
Output ON Resistance (Total Sum)
Output limit Current
PWM Frequency
FG Output Low Level Voltage
Sled Motor Driver
VHB
IHIB
VHIM
VHICM
VDZSP
gmSP
RONSP
ILIMSP
fOSC
VFGL
0.45
-
50
1.5
0
0.85
-
0.85
-
-
0.9
0.5
-
-
10
1.24
1.0
1.06
100
0.1
1.35
3
-
3.8
45
1.63
1.8
1.27
-
0.3
V
μA
mVpp
V
mV
A/V
Ω
A
kHz
V
IHB=10mA
RSPRNF=0.33Ω, RL=2Ω
IL=500mA
RSPRNF=0.33Ω
RL=2Ω
33KΩ pull-up(3.3V)
Input Dead Zone (One Side)
Input-Output Gain
Output ON Resistance (Total sum)
Output Limit Current
PWM Frequency
Actuator Driver
Output Offset Voltage
Output ON Resistance
Voltage Gain 1
Voltage Gain 2
Loading Driver
Output Offset Voltage
Output ON Resistance
Voltage Gain 1
Voltage Gain 2
Protect Sign Output
ERROUT Low Level Output Voltage
Logic Inputs (SDI,SCLK,SLV,MUTEB)
VDZSL
gmSL
RONSL
ILIMSL
fOSC
VOFACT
RONACT
GVACT1
GVACT2
VOFLD
RONLD
GVLD1
GVLD2
VOL2
5
0.84
-
0.79
-
-50
-
9.4
15.4
-110
-
14.1
15.6
-
15
1.10
1.8
0.93
100
0
1.5
11.7
17.7
0
1.0
17.2
18.7
0.1
35
1.36
2.5
1.07
-
50
2.0
13.5
19.5
110
1.5
19.5
21.0
0.3
mV
A/V RSLRNF1,2=0.56Ω, RL=8Ω
Ω IL=500mA
A RSLRNF1,2=0.56Ω
kHz RL=8Ω
mV Low Gain mode, RL=8Ω
Ω IL=500mA
dB Low Gain mode, RL=8Ω
dB High Gain mode, RL=8Ω
mV Low Gain mode, RL=8Ω
Ω IL=500mA
dB Low Gain mode, RL=8Ω
dB High Gain mode, RL=8Ω
V 33kΩ pull-up(3.3V)
Low Level Input Voltage
High Level Voltage
High Level Current
(SDI,SCLK,MUTEB)
Low Level Current (SLV)
Logic Output (SDO)
VINL
-
- 0.5 V
VINH
2.2
-
-V
IINH -
33 75 μA SDI,SCLK,MUTEB=3.3V
IINL -75 -30 - μA SLV=0V
Low Level Output Voltage
High Level Output Voltage
Function
VOUTL
VOUTH
-
VSHV-0.3
-
-
0.3 V
-V
PREVCC Drop Mute Voltage
VMVCC
3.4
3.8
4.1
V
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/43
TSZ02201-0G1G0BK00210-1-2
18.Apr.2014 Rev.003
5 Page 
BD8255MUV-M
Datasheet
3. Details of Control Registers
Functions of each register are as shown below.
・ REG 70h OUTPUT_EN1 (Read / Write)
Each driver output settings (Hi-Z/Active) can be changed in REG 70h.
Bit
Name
Default
7 N/A
0
6 FC_OUTEN
0
5 TK_OUTEN
0
4 SL_OUTEN
0
3 N/A
0
2 SP_OUTEN
0
1 LD_OUTEN
0
0 N/A
0
Function
-
FC Output Enable
TK Output Enable
SL1,SL2 Output Enable
-
SP Output Enable
LD Output Enable
-
Set "0"
-
Disable
Disable
Disable
-
Disable
Disable
-
Set "1"
-
Enable
Enable
Enable
-
Enable
Enable
-
Reset
-
A
A
A
-
A
A
-
・ REG 71h -
Bit
Name
Default
7-
-
6-
-
5-
-
4-
-
3-
-
2-
-
1-
-
0-
-
Function
-
-
-
-
-
-
-
-
Set "0"
-
-
-
-
-
-
-
-
Set "1"
-
-
-
-
-
-
-
-
Reset
-
-
-
-
-
-
-
-
・ REG 72h POWER_SAVE1 (Read / Write)
Power save mode settings for each block can be set in REG 72h.
Power save mode makes the output Hi-Z and turns OFF the internal circuit to reduce the current consumption.
Bit
Name
Default
7 N/A
0
6 FC_PSB
0
5 TK_PSB
0
4 SL_PSB
0
3 N/A
0
2 SP_PSB
0
1 LD_PSB
0
0 N/A
0
Function
-
FC Block Power Save
TK Block Power Save
SL1,SL2 Block Power Save
-
SP Block Power Save
LD Block Power Save
-
Set "0"
-
Enable
Enable
Enable
-
Enable
Enable
-
Set "1"
-
Disable
Disable
Disable
-
Disable
Disable
-
Reset
-
A
A
A
-
A
A
-
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/43
TSZ02201-0G1G0BK00210-1-2
18.Apr.2014 Rev.003
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BD8255MUV-M.PDF ] | |
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