参数资料
型号: L6225PDTR
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO20
封装: POWER, MO-166, SO-20
文件页数: 4/20页
文件大小: 384K
代理商: L6225PDTR
L6225
12/20
APPLICATION INFORMATION
A typical application using L6225 is shown in Fig. 11. Typical component values for the application are shown
in Table 2. A high quality ceramic capacitor in the range of 100 to 200 nF should be placed between the power
pins (VSA and VSB) and ground near the L6225 to improve the high frequency filtering on the power supply and
reduce high frequency transients generated by the switching. The capacitors connected from the ENA and ENB
inputs to ground set the shut down time for the Brgidge A and Bridge B respectively when an over current is
detected (see Overcurrent Protection). The two current sources (SENSEA and SENSEB) should be connected
to Power Ground with a trace length as short as possible in the layout. To increase noise immunity, unused logic
pins (except ENA and ENB) are best connected to 5V (High Logic Level) or GND (Low Logic Level) (see pin
description). It is recommended to keep Power Ground and Signal Ground separated on PCB.
Table 2. Component Values for Typical Application
Figure 11. Typical Application
C1
100uF
D1
1N4148
C2
100nF
D2
1N4148
CBOOT
220nF
RENA
100K
CP
10nF
RENB
100K
CENA
5.6nF
RP
100
CENB
5.6nF
OUT1A
4
18
16
15
7
13
OUT2A
GND
OUT2B
OUT1B
VSA
POWER
GROUND
SIGNAL
GROUND
+
-
VS
8-52VDC
VSB
VCP
VBOOT
CP
CBOOT
RP
D2
D1
C1
C2
SENSEA
17
6
5
ENB
CENB
RENB
ENABLEB
11
14
3
12
19
SENSEB
LOADA
LOADB
8
ENA
CENA
RENA
ENABLEA
20
D02IN1345
1
IN1A
IN2A
IN1A
IN2A
2
IN2B
10
IN1B
IN2B
IN1B
9
相关PDF资料
PDF描述
L6225PD BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO20
L6225D BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO20
L6226DTR BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO24
L6226D BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO24
L6226PD BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, PDSO36
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