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PDF ( 数据手册 , 数据表 ) BD8271EFV

零件编号 BD8271EFV
描述 3ch System Motor Driver
制造商 ROHM Semiconductor
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BD8271EFV 数据手册, 描述, 功能
Datasheet
System Motor Driver Series for CDDVDBD Players
3ch System Motor Driver
For Car Audio
BD8271EFV
General Description
BD8271EFV is 3ch power driver developed for driving
stepper motor and DC motor (or actuator coil). Blu-ray’s
motor & coil can be driven, when used along with 6ch
DVD power driver.
Features
Each driver of SLED (2ch) and Actuator (1ch) are
installed in a single-chip.
ON/OFF and the standby mode of 3ch can be
selected using two control terminals.
Built-in triangular wave generator circuit.
Adopts HTSSOP-B24 package that has high
power dissipation.
Built-in thermal shutdown function.
Highly effective SLED driver with PWM drive
system.
Built-in 2ch SLED driver that corresponds to the
stepper motor drive.
The actuator driver is linear BTL type.
Key Specifications
Power Supply Voltage
Operating Temperature Range
4.5V to 14V
-40°C to +85°C
Output On Resistance (SLED)
Output Saturation Voltage (Actuator)
2.2 (Typ)
0.9 V (Typ)
Package
HTSSOP-B24
W(Typ) D(Typ) H(Max)
7.80mm x 7.60mm x 1.00mm
Applications
Car Audio
HTSSOP-B24
Typical Application Circuit
Figure 1. Application Circuit
Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/22
TSZ02201-0G1G0BK00250-1-2
1.Oct.2013 Rev.002
http://www.Datasheet4U.com







BD8271EFV pdf, 数据表
BD8271EFV
(a) Power Supply System *number in circles is the pin number.
Datasheet
VCC=8V
17
SAVM=8V
RSARNF0.5
11,12
SA
INPUT
SA
PreDrive
5
SA
OUTPUT
8
VMFC=5V
9
PGND1 for SA
1
FC
PreDrive
24 PREGND
FC
OUTPUT
3
4
2 PGND2 for ACT
Figure 7. Power Supply and Ground Connection of Internal Block
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
8/22
TSZ02201-0G1G0BK00250-1-2
1.Oct.2013 Rev.002
http://www.Datasheet4U.com







BD8271EFV equivalent, schematic
BD8271EFV
Application Board Pattern
Datasheet
Figure 16. Top Silkscreen Overlay
Figure 17. Top Layer
Figure 18. Bottom Silkscreen Overlay
Figure 19. Bottom Layer
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
16/22
TSZ02201-0G1G0BK00250-1-2
1.Oct.2013 Rev.002
http://www.Datasheet4U.com










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