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L6234PD 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 L6234PD
상세설명  THREE PHASE MOTOR DRIVER
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6234PD 데이터시트(HTML) 4 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
Power Supply Voltage
52
V
VIN,VEN
Input Enable Voltage
– 0.3 to 7
V
Ipeak
Pulsed Output Current (note 1)
5
A
VSENSE
Sensing Voltage (DC Voltage)
-1 to 4
V
Vb
Bootstrap Peak Voltage
62
V
VOD
Differential Output Voltage (between any of the 3 OUT pins)
60
V
fC
Commutation Frequency
50
KHz
VREF
Reference Voltage
12
V
Ptot
Total Power Dissipation
L6234PD Tamb = 70
°C
2.3
W
Ptot
Total Power Dissipation
L6234 Tamb = 70
°C
1.6 (*)
W
Tstg, Tj
Storage and Junction Temperature Range
-40 to 150
°C
Note 1: Pulse width limited only by junction temperature and the transient thermal impedance
(*) Mounted on board with minimized copper area
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VS
Supply Voltage
7 to 42
V
VOD
Peak to Peak Differential Voltage (between any of the 3 OUT
pins)
52
V
Iout
DC Output Current Power SO20 (Tamb = 25°C)
4
A
DC Output Current Power DIP (Tamb = 25°C) with infinite heatsink
2.8
A
VSENSE
Sensing Voltage (pulsed tw < 300nsec)
-4 to 4
V
Sensing Voltage (DC)
-1 to 1
V
Tj
Junction Temperature Range
-40 to 125
°C
PIN FUNCTIONS
Powerdip
PowerSO20
Name
Function
1
20
10
6
5
15
OUT 1
OUT 2
OUT 3
Output of the channels 1/2/3.
2
19
9
7
4
14
IN 1
IN 2
IN 3
Logic input of channels 1/2/3. A logic HIGH level (when the corresponding
EN pin is HIGH) switches ON the upper DMOS Power Transistor, while a
logic LOW switches ON the corresponding low side DMOS Power.
3
18
8
8
3
13
EN 1
EN 2
EN 3
Enable of the channels 1/2/3. A logic LOW level on this pin switches off both
power DMOS of the related channel.
4,7
9, 12
Vs
Power Supply Voltage.
14
19
SENSE2
A resistance Rsense connected to this pin provides feedback for motor
current control for the bridge 3.
17
2
SENSE1
A resistance Rsense connected to this pin provides feedback for motor
current control for the bridges 1 and 2.
11
16
Vref
Internal Voltage Reference. A capacitor connected from this pin to GND
increases the stability of the Power DMOS drive circuit.
12
17
Vcp
Bootstrap Oscillator. Oscillator output for the external charge pump.
13
18
VBOOT
Overvoltage input to drive the upper DMOS
5,6
15,16
1,10
11,20
GND
Common Ground Terminal. In Powerdip and SO packages these pins are
used to dissipate the heat forward the PCB.
L6234
4/10


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