BD8226EFV_13 Datasheet, PDF (1/20 Pages) Rohm – 4ch System Motor Driver For Car Audio

Datasheet
System Motor Driver Series for CD・DVD Player
4ch System Motor Driver
For Car Audio
BD8226EFV
General Description
BD8226EFV is a 5-input, 4-output BTL driver
developed for driving Spindle motor (CH1),
Sled/Loading motor (CH2) and the actuator coils
(CH3:Tracking coil, CH4:Focus coil).
This IC can be used for CD and DVD applications.
Features
■ 4CH BTL Driver
■ Has wide dynamic range
■ Built-in thermal shutdown circuit
■ Separating Vcc into Pre and Power (Power divides
into CH1/2 and CH3/4) can improve efficiency.
■ Switches CH2 input using Control input terminal
(CNT)
■ Incorporates mute function using CNT and MUTE
terminals
■ Built-in variable regulator control
Key Specifications
■ Power supply voltage
■ Operating temperature range
■ Maximum output amplitude
(V_PREVCC1=V_POWVCC1,2=8V, R_L=8Ω)
CH1,CH2
CH3,CH4
5.5V to 14V
-40°C to +85°C
6.0V(Typ)
5.3V(Typ)
Package
HTSSOP-B24
W(Typ) D(Typ) H(Max)
7.80mm x 7.60mm x1.00mm
Applications
Car Audio
Typical Application Circuit
HTSSOP-B24
DSP
REGOUT
24
23
22
21
IN1
CNT
IN2-1 IN2-2
20
19
BIAS IN3
18
17
16
15
14
13
IN4 MUTE PREGND REG(+) REG-B PREVCC
BD8226EFV
POWVCC1 POWGND1 VO1(-) VO1(+) VO2(-) VO2(+) VO3(-) VO3(+)
1
2
3
4
5
6
7
8
VO4(-) VO4(+) POWGND2 POWVCC2
9
10
11
12
SPINDLE
MOTOR
CH1
SLED/LOADING
MOTOR
CH2
TRACKING
COIL
CH3
FOCUS
COIL
CH4
Figure 1. Application Circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
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TSZ02201-0G1G0C600020-1-2
3.JUL.2013 Rev.002