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PDF BD8203EFV Data sheet ( Hoja de datos )
| Número de pieza | BD8203EFV | |
| Descripción | 5ch System Motor Driver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
5ch System Motor Driver
BD8203EFV
General Description
BD8203EFV is a 5ch system motor driver for CD/DVD.
A linear BTL mode can be adopted for all 5ch to reduce
noise. It has a Built-in 5V regulator, a changeable
regulator, and a general-purpose operational amplifier.
Designed best for car audio systems.
Features
Linear BTL method is implemented for the actuator
driver and the DC motor driver to reduce noise.
Loading driver 1ch
Built-in regulator 2ch (1ch output changeable)
MUTE function and Standby function
Built-in general-purpose operational amplifier 1ch
Built-in internal operational amplifier for the voltage
detection between driver outputs and for VC
standard
Applications
Car Audio
Key Specifications
Power Supply Voltage Range:
Driver Part Pre Steps and Regulator1 7.5V to 14V
Driver Part Power Steps
4.5V to VPREVCC V
Power Steps of Two Regulators 4.5V to VPREVCC V
Standby-on Current:
1mA(Max)
Operating Temperature Range: -40°C to +85°C
Package
W(Typ) x D(Typ) x H(Max)
HTSSOP-B40
13.60mm x 7.80mm x 1.00mm
Typical Application Circuit
SGND
REGVARVCC
0.1µF
10µF
10µF
VCC
10kΩ
33kΩ
VCC
0.01µF
330Ω
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
BD8203EFV
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10µF
0.1µF
0.1µF
0.1µF
M M M 0.1µF
47µF
PVCC1
47µF
PREVCC
47µF
PVCC2
PGND
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product has no designed protection against radioactive rays
1/22
TSZ02201-0H5H0BK01520-1-2
04.Nov.2015 Rev.001
1 page  
BD8203EFV
Application Information
1. Standard Example Application Circuit
SGND
REGVARVCC
0.1µF
10µF
10µF
VCC
10kΩ
*Please adjust the capacity connected
with VCO terminal to 0.1µF or less.
*Please connect the resistance of
10KΩ or more with REGCTL terminal.
33kΩ
VCC
0.01µF
330Ω
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
SGND
SGND SGND
VC
SGND
STBY
VC
OPVCC
VC
VC
VC
VC
SGND
SGND
LEVEL
SHIFT
SGND
PREVCC
+8V
PGND
LEVEL
SHIFT
LEVEL
SHIFT
PREVCC
+8V
LEVEL
SHIFT
PGND
Loading
Control
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10µF
0.1µF
0.1µF
0.1µF
M M M 0.1µF
47µF
PVCC1
47µF
47µF
PVCC2
PREVCC
PGND
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/22
TSZ02201-0H5H0BK01520-1-2
04.Nov.2015 Rev.001
5 Page 
BD8203EFV
Noise Measures
The cause of PWM driver's noise is the following.
A. Noise from VCC and GND line
B. Radiation noise
Measures of A
① Because a high current is generated by the PWM, Lower wiring impedance at driver's power supply
(PVCC) and GND line (PGND) is recommended. This can be achieved by separating the power supply
line of other devices from the main supply to eliminate the common impedance, and connecting it to
another line.
② Use electrolytic capacitor with low ESR to power supply pin (PVCC1, PVCC2, PREVCC) of drivers and
GND pin (PGND) to make it stable. Please connect the ceramic capacitor with a high frequency
characteristic directly to the pin (or as close as possible to the IC).
PVCC1
PGND
PVCC2
Please separate as
much as possible in
the root of the power
supply.
47µF
47µF
IC except Driver
0.1µF
0.1µF
Driver IC
(BD8203EFV)
③ There is a method of inserting LC filter in the power supply line or GND line, when the first two measures
are not sufficient to solve the noise problem.
(Example)
VVCcCc
GND
120µH
47µF
0.1µF
PWM
DRIVER
IC
VVCcCc
GND
VVCcCc
GND
47µF
120µH
120µH
47µF
120µH
0.1µF
0.1µF
PWM
DRIVER
IC
PWM
DRIVER
IC
Figure 1. LC Filter Chart
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/22
TSZ02201-0H5H0BK01520-1-2
04.Nov.2015 Rev.001
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet BD8203EFV.PDF ] | |
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