參數(shù)資料
型號： L6238SQT
廠商： 意法半導(dǎo)體
英文描述： 12V SENSORLESS SPINDLE MOTOR CONTROLLER
中文描述： 12V的無傳感器主軸電機(jī)控制器
文件頁數(shù)： 4/31頁
文件大?。?/td> 324K
代理商： L6238SQT
PIN FUNCTIONS
PLCC44 PQFP44 TQFP64
1
39
2
40
3
41
4
42
Name
OUTPUT B
SPIN SENSE
BRAKE DELAY
R
sense 1
I/O
I/O
O
I
O
Function
56, 57
58
59
60, 61
DMOS Half Bridge Output and Input B for Bemf sensing.
Toggless at each Zero Crossing of the Bemf.
Energy Recovery timeconstant, defined by external R-Cto ground.
Outputs A+B connections for the Motor Current Sense Resistor
to ground
Negative Terminal of Pump Capacitor.
5
43
62
CHARGE
PUMP 2
GROUND
I
6, 7,
17, 29,
39, 40
8
9
10
11, 42
1, 11,
23, 33,
34, 44
2
3
4
5, 36
*
S
Ground terminals.
4
5
CHARGEPUMP 1
CHARGEPUMP 3
OUTPUT A
V
power
I
Positive terminal of Pump Capacitor.
Positive terminal of Storage Capacitor.
DMOS Half Bridge Output and Input A for Bemf sensing.
Power Section Supply Terminal.
O
I/O
S
6, 7
9, 10,
52, 53
11
8, 18,
19, 31,
41
12
13
14
20
21
12
6
V
analog
N.C
S
12V supply.
Open Terminal
13, 32
7, 26
N.C
14
15
16
18
19
8
9
Tdly(0)
Tdly(1)
Tdly(2)
OTWARN
SELECT POLE
I
I
I
Three bits that set the Delay between the detection of the Bemf
zero crossing, and the commutation of the next Phase.
10
12
13
O
I
Overtemperature Warning Output
Selects # of Motor Poles. A zero selects 8, while a one selects 4
poles.
Capacitor connected to this pin sets the maximum time allowed
for 100% duty cycle during PWM operation
Selects PWM orLinear Output Current Control
Tristates Power Output Stage when a logic zero.
20
14
22
PWM TIMER
I
21
22
15
16
23
24
PWM/LINEAR
OUTPUT
ENABLE
SEQUENCE
I
I
23
17
25
I
Rising edge will initiate start-up. A Braking rountine is started
when this input isbrought low.
A low to high transition on this pin increments the Output State
Sequencer.
Clock Frequency for the system timer/counters.
A logic one will disable the Monotonicity Detector and Sequence
Increment functions.
Reference Frequency for the opt. Auto-Start Algorithm. If int.
start up is not used, this pin must be connected to the System
Clock.
Output of the PWM Comparator
5V Logic Supply Voltage.
Motor Once-per-Revolution signal.
Voltage at this input controls he Motor Current
Input to the Current Sense Amplifier.
Output C connection for the Motor Current Sense Resistor to
ground.
DMOS Half Bridge Output and Input C for Bemf sensing.
A series RC network to ground that defines the compensation of
the Transconductance Loop.
24
18
26
SEQ
INCREMENT
SYSTEM CLK
MONO/SEQ.
INC. CONTROL
Falign
I
25
26
19
20
27
28
I
I
27
21
29
I
28
30
31
33
34
35
22
24
25
27
28
29
30
35
36
37
38
PWM COMP
Vlogic
Fmotor
Vcontrol
CSA INPUT
Rsense 2
O
S
O
I
I
O
39, 40
36
37
30
31
42, 43
44
OUTPUT C
gm COMP
I/O
I
L6238S
4/31
相關(guān)PDF資料
PDF描述
L6327 6 / 4 CHANNEL VOLTAGE SENSE GMR PREAMPLIFIER
L6332 6 / 4 CHANNEL VOLTAGE SENSE GMR PREAMPLIFIER
L6353D SMART DRIVER FOR POWER MOS & IGBT
L6363 PRML READ/WRITE CHANNEL
L6377D 0.5A HIGH-SIDE DRIVER INTELLIGENT POWER SWITCH
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6239 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
L623C 制造商:未知廠家 制造商全稱:未知廠家 功能描述:THYRISTOR MODULE|BRIDGE|HALF-CNTLD|CA|280V V(RRM)|46A I(T)
L623F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:THYRISTOR MODULE|BRIDGE|HALF-CNTLD|CA|280V V(RRM)|46A I(T)
L624 制造商:CRYDOM 制造商全稱:Crydom Inc., 功能描述:Power Modules
L6242 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VOICE COIL MOTOR DRIVER
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*