参数资料
型号: L6238SQT
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 5 A, PQFP64
封装: TQFP-64
文件页数: 28/31页
文件大小: 3465K
代理商: L6238SQT
ELECTRICAL CHARACTERISTICS (Tamb = 0 to 70
°C; VA = VPwr = 12V; Vlogic = 5V; unless otherwise
specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GENERAL
Vanalog
Analog Supply Voltage
10.5
13.5
V
Ianalog
Analog Supply Current
Run Mode VA = 13.5V
1.5
2.7
4.5
mA
Brake Mode VA = 13.5V
280
800
A
Vlogic
Logic Supply Voltage
4.5
5.0
5.5
V
Ilogic
Logic Supply Current
Run Mode Vlogic = 5.5V
1
2
3.2
mA
Brake Mode
100
500
1000
A
THERMAL SHUTDOWN
* Tsd
Shut Down Temperature
150
180
°C
* Thys
Recovery Temperature
Hysteresis
30
°C
* Tew
Early Warning Temperature
Tsd-25
°C
POWER STAGE
RDS(on)
Output ON Resistance per FET
Tj = 25
°C; VA = 10.5V
Tj = 125
°C; VA = 10.5V
0.20
0.26
0.40
Io(leak)
Output Leakage Current
Vpwr = 15V
1
mA
VF
Body Diode Forward Drop
Im = 2.0A
1.5
V
dVo/dt
Output Slew Rate (Linear)
Rslew = 100K
0.15
0.30
0.45
V/
s
Output Slew Rate (PWM)
10
150
V/
s
Igt
Gate Drive for Ext. Power
DMOS
Vcontrol = 1V; Vsns = 0V;
VA = 10.5V
4.5
mA
VGate-Drive
Ext Driver Disable Voltage
0.7
V
VCtrl-Range
Voltage Control Input Range
0
5.0
V
Iin(VCtrl)
Voltage Control Input Current
10
A
PWM OFF-TIME CONTROLLER (Rslew = 100K
, Coff = 120pF)
Toff
OFF Time
9
11
14
s
Vchrg
Capacitor Charge Voltage
VA = 10.5V
2.31
2.65
3.1
V
Vtrip
Lower Trip Threshold
1.25
V
PWM LIMIT TIMER
Ichrg
Capacitor Charge Current
VPWM Timer = 0V; VA = 10.5V
10.0
20.0
30
A
Vchrg
Capacitor Charge Voltage
VA = 10.5V
3.0
3.5
4.0
mV
Vtrip
Lower Trip Threshold
100
400
V
BEMF AMPLIFIER
ZinCT
Center Tap Imput Impedance
20
30
40
K
VBemf
Minimum Bemf (Pk-Pk)
60
mV
CURRENT SENSE AMPLIFIER
Isnsin
Input Bias Current
VA = 13.5V
10
A
Gv
Voltage Gain
3.8
4.0
4.2
V/V
SR
Slew Rate
0.33
0.8
V/
s
L6238S
6/31
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