iC-JX
16-FOLD 24 V HIGH-SIDE DRIVER WITH µC INTERFACE
Rev C1, Page 1/36
FEATURES
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16 bidirectional input/output stages at 24 V
Input/output mode programmable in 4-channel blocks
Short-circuit-proof high-side drivers with diagnosis function
500 mA pulse and 150 mA permanent load driving capability
Active flyback circuit
Load diagnosis for driver current, output voltage and
impedance (cable fractures, resistance and short circuits)
10-bit A/D converter for the generation of diagnosis
measurement values
Safety devices (voltage monitor, temperature sensor with
warning and shutdown features, power output enable pin)
Programmable interrupt generation with an events storage
facility
Variable digital filters for the debouncing of I/O signals
Fast 8-bit parallel or serial SPI™-compatible µC interface
permits use in buses
Logic supply from 3 V upwards
APPLICATIONS
o
Industrial 24 V applications
o
Lamp switches with diagnostic
features
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Inductive load driver circuits for
relays and valves etc.
PACKAGES
MQFP52
BLOCK DIAGRAM
VDD
D0-SI
D1-SOC
D2-SOB
D3
VCC
OUT1
PEN1
I/O STAGE 1
&
&
POE
VB1
iC-JX
CONTROL
LOGIC
&
0uA
200uA
600uA
2mA
0uA
200uA
600uA
2mA
NIOL
TOFF1
NIBBLE 0
SC1
NIOL
D4
D5
D6
D7
A0
A1
A2
A3-SCLK
A4
INTERFACE
uC
SCF0
Short
Circuit
Filter
VBOK1
Short Circuit
Monitor
+
-
IO1
IN1
Input
Filter
VB-5.8V
74% VCC
150mA
-
+
IL(2:0)
I/O LOGIC
SELES(3:0)
SELAD(2:0)
VB-6V
6V
ADC MUX
-
TOFF2
+
I/O LOGIC
NCS
NWR
NRD
NRES
NIOL
IL0
IL1
IL2
SCF0
FL(1:0)
PN(01:00)
I/O STAGE 2
I/O STAGE 3
I/O STAGE 4
IO2
IO3
IO4
VB2
IO5
IO6
IO7
IO8
VB3
I/O LOGIC
I/O LOGIC
NSP
BUS
CONTROL
NIBBLE 1
I/O LOGIC
I/O LOGIC
I/O STAGE 5
I/O STAGE 6
I/O STAGE 7
I/O STAGE 8
NIOH
VREF
VREF
INTERFACE
IH0
IH1
IH2
SCF1
FH(1:0)
PN(11:10)
I/O LOGIC
I/O LOGIC
BLFQ
FREQUENCY
CLK
DIVIDER
NIBBLE 2
I/O LOGIC
I/O LOGIC
I/O STAGE 9
I/O STAGE 10
I/O STAGE 11
I/O STAGE 12
IO9
IO10
IO11
IO12
VB4
NIOL
IL0
IL1
IL2
SCF2
FL(1:0)
PN(21:20)
I/O LOGIC
I/O LOGIC
RSET
IBIAS
VREFAD
NINT
NIBBLE 3
INTERRUPT
I/O LOGIC
I/O LOGIC
I/O STAGE 13
I/O STAGE 14
I/O STAGE 15
I/O STAGE 16
VB(1:4)
IO13
IO14
IO15
IO16
NIOH
IH0
IH1
IH2
SCF3
FH(1:0)
PN(31:30)
I/O LOGIC
I/O LOGIC
MONITOR:
VB,VCC
GNDA,GNDD
A/D Converter
VBOK(1:4)
POE
GNDA GNDD
Copyright © 2010 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
