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PDF AA51890 Data sheet ( Hoja de datos )
| Número de pieza | AA51890 | |
| Descripción | SERVO MOTOR CONTROLLER | |
| Fabricantes | Agamem Microelectronic | |
| Logotipo |  |
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PRELIMINARY
AA51890Agamem Microelectronics Inc.
SERVO MOTOR CONTROLLER
■ DESCRIPTION
The AA51890 is a BJT integrated circuit for servo motor control applications. It has the feature
of internal circuit of maintaining constant voltage which helps stabilizing from fluctuation
caused by voltage source and the ambient temperature. It can control external H-Bridge driver
for large servo motor application.
■ FEATURES
• Built-in voltage regulator.
• Adjustable dead band range control.
• Setting up the dead band by the internal constant.
• Incorporates a protection circuit for "H-Bridge" driving configuration.
• Small outline package – TSSOP16L.
■ APPLICATIONS
• Servo motor control.
• Radio controlled car, boat, and airplane.
• IA products (such as air-condition).
• Remote positioning.
■ BLOCK DIAGRAM
©Copyright Agamem Microelectronics Inc.
1
www.agamem.com.tw 2008/5/5
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE
TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
1 page  
www.DataSheet4U.com
PRELIMINARY
AA51890Agamem Microelectronics Inc.
SERVO MOTOR CONTROLLER
logic. The PWM drive techniques provide the benefits of reduced power dissipation, improved
servo motor performance and positively affect system efficiency.
(7) Output driver
The output driver controls the servo current direction. For heavy load application, the EXTP1
and EXTP2 pin will be connected to the base of the external PNP transistors and the EXTN1
and EXTN2 pin will be connected to the base of the external NPN transistors.
■ TYPICAL APPLICATION EXAMPLE
A. H-Bridge TRANSISTOR Driver
©Copyright Agamem Microelectronics Inc.
5
www.agamem.com.tw 2008/5/5
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE
TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AA51890.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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