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参数资料
| 型号： | L6287 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDIP42 |
| 封装： | SDIP-42 |
| 文件页数： | 4/9页 |
| 文件大小： | 1610K |
| 代理商： | L6287 |
PIN DESCRIPTION
VOLTAGE SUPPLIES (The power supply voltage VDD, VDC, VDL must be connected toghether externally)
VDD
Power supply voltage for drump motor
VDC
Power supply voltage for capstan motor
VDL
Power supply voltage for loading motor and charge pump
VCC
Logic voltage supply
LGND
Logic Ground
GND R
Capstan + drum power ground
GND L
Loading + Charge pump Power ground
VS
Analog voltage supply
SGND
Analog ground
Note: The VCC and VS Power Supply must be together either at maximum or minimum value.
DRUM MOTOR
DOUT U
Winding Output U
DOUT V
Winding Output V
DOUT W
Winding Output W
DPWM
PWM logic pulse input. Control signal generated by
P for dump motor current regulation.
PUD
Logic output position feedback generated by the translator logic
OD
Optocoupler diode output
OC
External capacitor for tacho-converter integrator
OT
Input for optocoupler transistor
OR
Tacho-converter external resistor. This resistor defines the full-light current level of the tacho.
CAPSTAN MOTOR
COUT U
Winding Output U
COUT V
Winding Output V
COUT W
Winding Output W
CPWM
PWM logic pulse input. Control signal generated by
P for current regulation.
CDIR
Motor Direction Logic Input Signal
H1+
Hall sensor differential input
H1-
H2+
Hall sensor differential input
H2-
H3+
Hall sensor differential input
H3-
LOADING MOTOR
LOUT A
Winding Output A
LOUT B
Winding Output B
LPWM
PWM logic input.
LDIR
Direction logic input
SERVICES
HEATER
Open drain output for heater resistor
VCP
Charge pump storage capacitor pin
CP1
Bootstrap Capacitor pin
CP2
Bootstrap Capacitor pin
THERM
Open drain thermal alarm output
FSTART
Start-up logic signal for drum motor
CTO
Time out capacitor output
L6287
4/9
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