DRV411_15 Datasheet, PDF (22/34 Pages) Texas Instruments – Sensor Signal Conditioning IC for Closed-Loop Magnetic Current Sensors

DRV411
SBOS693B – AUGUST 2013 – REVISED DECEMBER 2013
ADDITIONAL APPLICATION EXAMPLES
VDD
Ip
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R1
IN+
OUT+
IN
OUT
OVERRANGE
ERROR
R2
VDD
K1
REFSEL2
REFSEL1
OR
REFOUT
HALL1
REFIN
HALL2
VOUT
HALL3
DRV411
HALL4
IAIN2
IAIN1
ERROR
GND
GSEL1
GND
GSEL2
ICOMP2
VDD
ICOMP1
VREF
VOUT
VDD
D1
D3
Protection Diodes
D2
D4
RSHUNT
GND
VDD
K2
ICOMP
C1
Place decoupling
close to VDD pin
Figure 56. Typical Application Example with Gain_1 Setting (see Table 1)
Ip
VDD
R1
IN+
OUT+
IN
OUT
OVERRANGE
ERROR
RF1
CF1
RF2
R2
CF2 _VDD
REFSEL2
REFSEL1
OR
REFOUT
HALL1
REFIN
HALL2
VOUT
HALL3
HALL4
DRV411
IAIN2
IAIN1
ERROR
GND
GSEL1
GND
GSEL2
ICOMP2
VDD
ICOMP1
VREF
VOUT
VDD
D1
D3
Protection Diodes
D2
D4
RSHUNT
GND
VDD
K1
C1
Place decoupling
close to VDD pin
K2
ICOMP
Figure 57. Application Example with External Gain and Compensation Setting
(GSEL1 and GSEL2 set High), No Current Spinning
22
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