M64611FP Datasheet, PDF (1/7 Pages) Renesas Technology Corp – DIGITAL SERVO MOTOR CONTROL FOR RADIO CONTROL

M64611FP
DIGITAL SERVO MOTOR CONTROL FOR RADIO CONTROL
REJ03F0017-0100Z
Rev.1.00
Aug.26.2003
Description
The M64611FP is a semiconductor integrated circuit of the BiCMOS structure for servo motor control for the radio
control application.
Features
• A quick response and a powerful holding torque
• Simple settings of dead band, pulse stretcher, boost time addition, and max duty.
Application
• Digital proportional system for radio control
Recommended operating condition
• Supply voltage range: 4 to 9 V
Block diagram
ROP2
ROP1 ROP3
DB2 ST2 BT2 MD2
DB1
ST1 BT1 MD1
Pin
CL1
CL2
POT
DMP-
DMP+
Vreg
Neutral
DAO
Input
measure
circuit
amp1
13.5k
amp2
40.5k
Servo
position
voltage
measure
circuit
amp3
13.5k Voltage
Regulating
Circuit
Vreg
Vmos
Calculation
circuit
Dead
band
CMOS
LOGIC
Timing
circuit
Output
control
circuit
Vreg
D/A
Conv
Strecher
pulse
boost
time
addition
Max
duty
Output off
Circuit
Vcc
OUT1
OUT2
GND
Rev.1.00, Aug.26.2003, page 1 of 6