參數(shù)資料
型號(hào): L6238S013TR
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 5 A, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 27/31頁
文件大小: 3465K
代理商: L6238S013TR
PIN FUNCTIONS
PLCC44 PQFP44 TQFP64
Name
I/O
Function
38
32
45
GATE DRIVER
I/O
Drivers the Ext. PFET Gate Driver for Higher Power applications.
This pin must be grounded if an external driver is not used.
41
35
51
MASK/DELAY
O
Internal Logic Signals used for production Testing
43
37
54
CENTER TAP
I
Motor Center Tap used for differential BEMF sensing.
44
38
55
PWM/SLEW
I
R/C at this input set the Linear Slew Rate and PWM OFF-Time
0.0
0.3
1.0
3.0
Cb(
F)
0.0
0.3
1.0
3.0
TBD
(s)
D95IN274
Figure 1: Brake Delay Timeout vs Cbrake
(Rbrake = 1Meg)
10
30
100
300
Rs(K
)
0.0
0.3
1.0
3.0
SVR
(V/
s)
D95IN275
Figure 2: Linear Slew Rate vs Rslew
100
300
Coff(pF)
1
3
10
30
PWM
(
s)
D95IN276
Figure 3: PWM Off - Time vs Rslew/Coff
100
300
Ctimer(pF)
10
30
PWM
(
s)
D95IN277
Figure 4: PWM Limit Time - Out vs Ctimer
L6238S
5/31
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