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參數(shù)資料
| 型號： | L6229QTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32 |
| 封裝： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件頁數(shù)： | 26/28頁 |
| 文件大?。?/td> | 521K |
| 代理商： | L6229QTR |
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L6229Q
Pin connection
Doc ID 15209 Rev 3
7/28
Table 5.
Pin description
N°
Pin
Type
Function
1, 21
GND
Ground terminals.
9TACHO
Open drain
output
Frequency-to-voltage open drain output. Every pulse from pin H1 is shaped
as a fixed and adjustable length pulse.
11
RCPULSE
RC pin
RC network pin. A parallel RC network connected between this pin and
ground sets the duration of the monostable pulse used for the frequency-to-
voltage converter.
12
SENSEB
Power supply
Half bridge 3 source Pin. This pin must be connected together with pin
SENSEA to power ground through a sensing power resistor. At this pin also
the Inverting Input of the sense comparator is connected.
13
FWD/REV
Logic input
Selects the direction of the rotation. HIGH logic level sets forward operation,
whereas LOW logic level sets reverse operation.
If not used, it has to be connected to GND or +5 V.
14
EN
Logic input
Chip enable. LOW logic level switches OFF all power MOSFETs.
If not used, it has to be connected to +5 V.
15
VREF
Logic input
Current controller reference voltage.
Do not leave this pin open or connect to GND.
16
BRAKE
Logic input
Brake input pin. LOW logic level switches ON all high side power MOSFETs,
implementing the brake function.
If not used, it has to be connected to +5 V.
17
VBOOT
Supply
voltage
Bootstrap voltage needed for driving the upper power MOSFETs.
19
OUT3
Power output Output half bridge 3.
20
VSB
Power supply
Half bridge 3 power supply voltage. It must be connected to the supply
voltage together with pin VSA.
22
VSA
Power supply
Half bridge 1 and half bridge 2 power supply voltage. It must be connected to
the supply voltage together with pin VSB.
23
OUT2
Power output Output half bridge 2.
24
VCP
Output
Charge pump oscillator output.
25
H2
Sensor input Single ended hall effect sensor input 2.
26
H3
Sensor input Single ended hall effect sensor input 3.
27
H1
Sensor input Single ended hall effect sensor input 1.
28
DIAG
Open drain
output
Overcurrent detection and thermal protection pin. An internal open drain
transistor pulls to GND when an overcurrent on one of the high side
MOSFETs is detected or during thermal protection.
29
SENSEA
Power supply
Half bridge 1 and half bridge 2 source pin. This pin must be connected
together with pin SENSEB to power ground through a sensing power resistor.
30
RCOFF
RC pin
RC network pin. A parallel RC network connected between this pin and
ground sets the current controller OFF-Time.
31
OUT1
Power output Output half bridge 1.
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