BD8256EFV-M_16 Datasheet, PDF (1/53 Pages) Rohm – 9ch System Motor Driver For Car AV

Datasheet
System Motor Driver Series for CD・DVD・BD Player
9ch System Motor Driver
For Car AV
BD8256EFV-M
General Description
BD8256EFV-M is a 9ch motor driver developed for
driving coil actuator (3ch), sled motor (2ch), a loading
motor, and a three-phase motor for spindle. This chip
has a built-in 2ch LVDS (Low Voltage Differential
Signaling) output for spherical aberration. This can drive
the motor and coil of blu-ray 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 actuator over current protection circuit
 Built-in loading driver short-circuit protection
 AEC-Q100 Qualified
Applications
 Car navigation
 Car AV
Typical Application Circuit
PREVCC
Key Specifications
 Ron(Spindle):
 Ron(Loading):
 Power Supply Voltage Range:
1.0Ω(Typ)
1.5Ω(Typ)
4.5V to 10.5V
Package
HTSSOP-B54
W(Typ) × D(Typ) × H(Max)
18.50mm × 9.50mm × 1.00mm
HTSSOP-B54
VCC
VCC
PREVCC
PREGND
SPGND
SLGND
ACTGND
BD8256EFV-M
PREVCC
VCC
SHV
M
M
SHV
Figure 1. Typical Application Circuit
SHV
SHV
○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
1/49
TSZ02201-0G1G0BK00030-1-2
4.Apr.2016 Rev.004