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iC-DI Dual Sensor Interface with 3.3 V/5 V Power Supply 0 pages
iC-DI
DUAL SENSOR INTERFACE
Rev C2, Page 1/15
FEATURES
© Dual channel switches, configurable for high-side, low-side
and push-pull operation
© Switches are current limited
© Push-pull operation with tristate function
© Output current of up to 100mA per channel
© Parallel connection of both channels possible
© Channel 1 can be inverted (antivalent output)
© Wide supply voltage range of 9 to 30 V
© Sensor parameterisation via a feedback channel (up to 30 V)
© Switching converters and regulators for 3.3/5 V voltage
generation
© Error detection with hysteresis with excessive temperature,
overload and low voltage
© Driver shutdown in the event of error
© Error messaging via two open-collector outputs
APPLICATIONS
© Sensor interface for light barriers
and proximity switches, for
example
PACKAGES
QFN24 4mmx 4mm
BLOCK DIAGRAM
=1
BIAS
Overload
CHANN. 2 CHANN. 1
Overtemp.
Undervoltage
QN2
QP2
VCC
VH VHL ISET
CFP
CFO
QCFG2
INV1
IN1
QCFG1
VCC
VCC3
NOVL
GND
IN2
NUVD
OEN
1 nF
CFI
VN
VBR
VN
QN1
QP1
VBO
VCC3
HS1
LS1
LS2
HS2
22 uH
LVH
..50 mA
RSET
1 uF
CVH
LINE
Filter and
Control Logic
Filter and
Control Logic
8.2 kW
VBR
1 nF
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