參數(shù)資料
型號: DRV401AIRGWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQCC20
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-20
文件頁數(shù): 15/36頁
文件大小: 963K
代理商: DRV401AIRGWRG4
DRV401
SBVS070B JUNE 2006 REVISED MAY 2009
www.ti.com
22
BASIC CONNECTION EXAMPLE
The circuit shown in Figure 8 offers an axample of a fully-connected current sensor system.
Integrator
HBridge
Driver
CCdiag
Amp
V= 4
Logic: Timing, Error Detection, and Demagnetize
Power Valid
Bandgap
Reference
V
DD2
GND2
V
DD1
GND1
DRV401
V
OUT
REF
IN
OVERRANGE
REF
OUT
Probe Coil
Driver and
Comparator
R
7
R
3
R
4
ERROR
+5V
DEMAG
+5V
C
2
C
3
C
4
IS1
IS2
PWM
V
SW
(PWM is in
phase with IS1.)
GAIN
+5V
I
COMP1
I
COMP2
IA
IN2
IA
IN1
R
1
R
2
+5V
D
1
D
2
R
6
2.5V
V
SW
Oscillator Reset
10MHz
C
4
+5V
IS2
S2
S1
I
COMP
I
P
Probe Coil
K
2
K
1
Compensation Coil
Primary Winding
Current Sensor Module
Main Core
Probe
Core
R
5
Figure 8. Basic Connection Circuit
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