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AMtek

AM5898N Datasheet Preview

AM5898N Datasheet

Motor Driver

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AM5898N
Motor Driver ICs
Motor Driver for Portable DVD player
with DC-DC Step Down Converter
AM5898N
The AM5898N is a 4-channel BTL driver IC for driving the motors and actuators such as used in DVD player and
consists of two DC-DC Step Down Converters. It is pretty fit for portable DVD player application. Package material
is Pb Free for environmental protection.
Applications
BTL driver for portable DVD player with DC-DC power management.
Features
(A) 4-channel BTL:
1) Two channels are voltage-type BTL drivers for actuators of tracking and focus. Two channels are
voltage-type BTL driver for sled and spindle motors. It is also built-in two DC-DC converters.
2) Wide dynamic range for motor drive [3.6V (typ.) when Vcc= 5V, at RL= 20 load].
(B) 2 DC-DC Step down converters:
1) Efficiency up to 85%
2) Operation from 4.5~16V
3) Typical frequency operation to 240KHz.
4) Over voltage protection built-in.
5) Over current protection built-in.
(C) Common circuit
1) Level shift circuit built-in.
2) Thermal shut down circuit built-in.
3) Mute mode built-in for motor drive. EN1, EN2 mode control for two set of DC-DC step down
converters.
AMtek semiconductors
-1-
Sept 2005 V0.64
Datasheet pdf - http://www.DataSheet4U.net/




AMtek

AM5898N Datasheet Preview

AM5898N Datasheet

Motor Driver

No Preview Available !

www.DataSheet.co.kr
AM5898N
Motor Driver ICs
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Supply voltage 1 for driver
Vcc1
Supply voltage 2 for driver
Vcc2
Supply voltage for converter
Power dissipation
Operate Temp range
Storage Temp range
PVcc
Pd
Topr
Tstg
*70mm×70mm×1.6mm glass epoxy board.
* 1.Derating: 17.6mW/oC for operation above Ta=25oC
Guaranteed operating conditions (Ta=25°C)
Limits
13.5
13.5
26
2.2 *1
-40 ~ +85
**-55 ~ +150
Parameter
Power supply voltage
Symbol
Vcc1
Vcc2
PVcc
Limits
4.3 ~ 13.2
4.3 ~ Vcc1
4.5 ~ 16
Block diagram
Unit
V
V
V
W
Unit
V
V
V
BIAS MUTE EN1 CT1 COMP1
34 33 32 31 30 29 28 27 26
PGND VCC2
25 24
VINSP VOSP- VOSP+ MGND VOTK-
23 22 21 20 19 18
PGND PGND
GND
PGND
Vcc2
MGND
MUTE
10K
10K
15K
25K
10K 25K
10K
25K
Spindle
Driver(4X)
Actuator
Driver(6x)
Vcc2
Vcc2
Vcc1
Sled
Driver(4X)
Actuator
Driver(6x)
123456789
EN2 CT2 COMP2 SW2 IPK2
GND
Vcc1
10 11
VCC1 VINFC
12
MGND
MGND
13 14 15 16 17
MGND VOSL+ VOSL- MGND VOTK+
AMtek semiconductors
-2-
Sept 2005 V0.64
Datasheet pdf - http://www.DataSheet4U.net/


Part Number AM5898N
Description Motor Driver
Maker AMtek
PDF Download

AM5898N Datasheet PDF






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