MLX74190
Two-Fold High Power LF Initiator
With integrated Immobilizer
390107419001 Page 4 of 14 Sept-2014
Rev. 001 Product Preview
1 Pin out description
FSK Immobilizer input pin 2
FSK Immobilizer feedback loop 2
Current Measurement Output Voltage
Reference Resistor connection for trimming the current reference
External clock used in combination with CLK_IN to connect an external resonator
Input clock coming from MCU or connected to external resonator
125KHz clock input/output
Antenna connection (driver output 1)
Power ground for driver outputs
Supply for driver outputs
Antenna connection (driver output 2)
Slave data output for SPI
Immobilizer data / Digital modulation output signal
Input signal for direct LF modulation (RDI = Remote_Data_In)
Analog internal regulator decoupling cap.
Digital internal regulator decoupling capacitor
FSK Immobilizer input pin 1
FSK Immobilizer feedback loop 1
Must be externally connected to ground
26,27,28,29,30,
31,32, 33, 34,
35, 37,39, 40,
42, 43, 44, 45
Exposed PAD, to be connected to ground
Table 3: Pin out description
