Agamem Technology Inc. AA51880
PRELIMINARY SERVO MOTOR CONTROLLER
INTRODUCTION
The AA51880 is a BJT integrated circuit for u in rvo motor control applications.
The built -in voltage regulato r provides the AA51880 with ex tremely stable output voltage.
FEATURES
Built-in voltage regulator.
Larger driving capability. Small outline package.
APPLICATIONS
一月英语Servo motor control.
Radio controlled car, boat, airplane. IA products (such as air-condition).
BLOCK DIAGRAM
FUNCTION DESCRIPTIONbureauveritas
Timing control block detects the motor position and adjust dead band. Output driver circuit control the rvo motor current direction. The voltage regulator supports the application reference voltage.
V IN
OT L T DB ST EXP1
OUT1 OUT2 EXP2
V REG
Agamem Technology Inc.
pennywi
AA51880
PRELIMINARY SERVO MOTOR CONTROLLER
PIN ASSIGNMENT
PIN DESCRIPTION Pin No Symbol Name & Function
1 R T Timing Resistorfull
chit2 EXP1 External PNP Transi stor 1 output
3 OUT1 Output Driver 1
4 NC No Connection
5 OUT2 Output Driver 2
6 EXP2 External PNP Transistor 2 output
hgf7 C ST Stretcher capacitor
8 NC No Connection
9 V REG Regulated Voltage output 10 V CC Power pin 11 R DB Error pul output 12 GND Ground pin 13 GND Ground pin 14 V IN Input signal
15 P OT Servo position voltage 16
C T
Timing Capacitor
123
45678
161514
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131211109
(Top View)
R T EXP1OUT1NC OUT2EXP2C ST NC
C T P OT V IN GN
D GND R DB Vcc V REG
AA51880
Agamem Technology Inc.
AA51880
PRELIMINARY SERVO MOTOR CONTROLLER
RATINGS (Ta=25¢J, unless otherwi noted)
ELECTRICAL CHARACTERISTICS (Ta=25¢J and Vcc=4.8V, unless otherwi noted)
VOLTAGE REGULATOR OUTPUT VOLTAGE CHARACTERISTIC (Ta=25¢J)rilkean heart
432
1
V CC V R e g
Agamem Technology Inc.AA51880 PRELIMINARY SERVO MOTOR CONTROLLER
APPLICATION CIRCUIT
Agamem Technology Inc.
AA51880
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PRELIMINARY
SERVO MOTOR CONTROLLER
n SSOP PACKAGE DIMENSION
PLAN
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