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L6207 数据表(PDF) 25 Page - STMicroelectronics

部件名 L6207
功能描述  APPLICATION NOTE
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6207 数据表(HTML) 25 Page - STMicroelectronics

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AN1762 APPLICATION NOTE
For some applications the recommended configuration is Half Bridge 1 of Bridge A paralleled with the Half
Bridge 1 of the Bridge B, and the same for the Half Bridges 2 as shown in Figure 26.
Figure 26. Parallel connection for higher current (L6205 and L6206 ONLY)
This configuration cannot be used with L6207, because of its internal PWM current controllers that work sepa-
rately for bridge A and bridge B. Using this configuration with the L6207 may damage the device.
In this configuration the resulting Bridge has the following characteristics (typical values).
- Equivalent Device: FULL BRIDGE
- RDS(ON) 0.15Ω Typ. Value @ TJ = 25°C
- 5.6A max RMS Load Current
- 11.2A OCD Threshold
It should be noted that using two separate loads for the two equivalent half bridges the maximum current cannot
be sourced or sinked simultaneously by the two equivalent half bridges (for example to drive two separate
loads), due to the 5.6 A maximum current limit for
VS and SENSE pins (see Figure 24). When a single load is
driven (see Figure 26) RCLA and RCLB resistors connected to PROGCL pins of L6206 should have the same
value.
CP
CBOOT
RP
D2
D1
C2
OUT1A
LOAD
OCDA
OCDB
1
5
21
18
19
8
16
OUT2A
GND
GND
GND
GND
PROGCLA
OUT2B
OUT1B
VSA
POWER
GROUND
SIGNAL
GROUND
+
-
VS
8-52VDC
4
VSB
VCP
VBOOT
C1
SENSEA
20
IN2
IN1A
IN2B
12
6
7
9
ENA
ENB
REN
EN
23
IN1B
11
IN2A
IN1
2
14
24
17
3
15
22
SENSEB
RCLA
10
CEN
PROGCLB
13
RCLB
OUT1A
4
7
16
15
18
13
OUT1B
GND
GND
GND
GND
OUT2B
OUT2A
VSA
POWER
GROUND
SIGNAL
GROUND
+
-
VS
8-52VDC
VSB
VCP
VBOOT
C1
SENSEA
17
6
5
ENB
11
14
3
12
19
SENSEB
LOAD
8
ENA
CEN
REN
EN
20
1
IN2
IN1A
IN2B
10
IN1B
9
IN2A
IN1
2
CP
CBOOT
RP
D2
D1
C2
L6205
L6206



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