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: 29/31页
文件大小: 3465K
代理商: L6238SQT
ELECTRICAL CHARACTERISTICS (Continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
BRAKE DELAY
Vchrg
Capacitor Charge Voltage
RT = 50K
8.8
9.6
10.5
V
Iin
Input Current
Vin = 5.0V
500
nA
Iout3
Source Current
VA = 10.5V
0.5
mA
VThres
Delay Timer Low Trip Threshold
1.2
1.8
2.8
V
CHARGE PUMP
Vout
Storage Capacitor Output
Voltage
VA = 10.5V; Iout = 500
A17
V
Fcp
Charge Pump Frequency
140
450
KHz
Iin
Vstorage Input Current (Run
Mode)
Vstorage = 12V; VA = Vlogic = 0
25
A
Ibrkdly
Vstorage Leakage Current
(Brake Delay Mode)
Vstorage = 12V; VA = Vlogic = 0
0.4
1
A
Ibrake
Vstorage Leakage Current
(Brake Mode)
Vstorage = 12V; VA = Vlogic = 0
0.1
1
A
SEQUENCE INCREMENT
tseq
Time Between Rising Edges
1
s
OUTPUT TRANSCONDUCTANCE AMPLIFIER Note: Measure at OTA Comp. pin.
Voh
Voltage Output High
VA = 10.5V
10
V
VoutL
Output Voltage
2.0
V
Isource
Output Voltage
40.0
0.5
V
Isink
Output Sink Current
40.0
A
LOGIC SECTION
VinH
VinL
Input Voltage (All Inputs
Except Run/Brake
Vlogic = 4.5 to 5.5V
3.5
1.5
V
VinH
VinL
Run/Brake Input Voltage
Vlogic = 4.5 to 5.5V
2.0
1.0
V
IinH
IinL
Input Current
-1.0
1.0
A
mA
VoutL
VinL
Output Voltage
Vsink = 2.0mA
Vsource = 2.0mA
4.5
0.5
V
Fsys
System Clock Frequency
8.0
12.0
MHz
toff/ton
Clock ON/OFF Time
20
ns
Tdelay (2)
Tdelay (1)
Tdelay (0)
Commutation Phase Delay,
in Electrical Degrees
10
1
2.0
10
0
9.4
1
18.80
1
0
20.68
0
1
22.56
0
24,44 (*)
0
1
26.32
0
1
0
28.20
(*) Input Default
Phase Delay Truth Table
L6238S
7/31
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