INA206
INA207
INA208
SBOS360 - 2006年7月
R
分流
3m
供应
5V电源
Q
1A
, Q
1B
MMDT2907A
V
S
OUT
R
1
1k
CMP1输入/ 0.6 REF
CMP1 IN +
CMP2 IN-
CMP2 IN + / 0.6 REF
GND
R
2
4.02k
D1
1N5711
1.2V REF
INA206
x20
www.ti.com
负载
V
IN +
V
IN-
1.2V REF OUT
CMP1 OUT
CMP2 OUT
CMP2 DELAY
CMP1 RESET
R
坡道
4.99k
R
PULL -UP
1k
PWM输出
D1
1N5711
C
坡道
0.27F
图11. PWM输出电流分流监控器
R
分流
负载电源
负载
供应
V
IN +
5k
V
IN-
5k
V
S+
+5V
供应
R
PULL -UP
1k
A1
V
S
OUT
A2
在CMP1
/0.6 REF
CMP1 IN +
OUT
CMP2 IN-
CMP2 IN + / 0.6 REF
GND
GND
1.2V REF
INA206
x20
V
IN +
V
IN-
1.2V REF OUT
CMP1 OUT
CMP2 OUT
CMP2 DELAY
CMP1 RESET
INA193
R
L
图12.双向电流比较器
16
