Digital Servo -- HT45F4830

Digital Servo
HT45F4830
Characteristics
► Digital Servo 8-bit ASSP Flash MCU with H-Bridge driver
► Internal LDO
 Output Max Voltage : 3V
 Reduced need for external power supply components
► Internal H-Bridge driver
 Output Max Current : 800mA
 Operating Voltage : 3V ~ 12V
 Reduced need for external MOS drive transistor
► External resistors and capacitors simplified, reduces costs and PCB areas
► 8-pin SOP-EP (Exposed Pad) package suitable for small outline model servo
applications
► Good heat dissipation package type
► Software platform for adjustment of digital servo parameters
Application Areas
2015 Holtek New Product Presentation E04
Block Diagram
Li-battery
HT45F4830
Servo
Command
Controller
PWM
LDO
H-Bridge
3V
4 ch.
PWM
MCU
HT8-Core
DC Motor
A/D
Potentiometer
(VR)
Gear
3V~12V
M+, M-
Application Circuit
DC Motor
Regulator
Circuit
HT45F4830
Master MCU
Potentiometer
2015 Holtek New Product Presentation E04