iC-GF
TRANSCEIVER
Rev C1, Page 3/26
CONTENTS
PACKAGES
4
5
Undervoltage signalling . . . . . . . . . . . . 15
SPI MODE
16
Switch enable . . . . . . . . . . . . . . . . . . 16
Switch control . . . . . . . . . . . . . . . . . . 16
Switch configuration . . . . . . . . . . . . . . 16
Digital filtering at inputs . . . . . . . . . . . . 17
Excitation current . . . . . . . . . . . . . . . . 17
Feedback channel CFI–RX configuration . . . 18
Overload detection . . . . . . . . . . . . . . . 18
Spread spectrum oscillator . . . . . . . . . . 19
Pull-down currents . . . . . . . . . . . . . . . 19
Undervoltage signalling . . . . . . . . . . . . 19
Communication requests . . . . . . . . . . . 19
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
5
ELECTRICAL CHARACTERISTICS
OPERATING REQUIREMENTS: SPI Interface
DESCRIPTION OF FUNCTIONS
7
12
13
Reverse polarity protection . . . . . . . . . . 13
Output characteristics of Q1, Q2 . . . . . . . 13
Free-wheeling circuit for inductive loads . . . 13
Dead time . . . . . . . . . . . . . . . . . . . . 13
Overload detection . . . . . . . . . . . . . . . 13
Undervoltage detection . . . . . . . . . . . . 14
Digital filtering at inputs . . . . . . . . . . . . 14
Feedback channel CFI–CFO . . . . . . . . . 14
Spread spectrum oscillator . . . . . . . . . . 14
Configuration mode . . . . . . . . . . . . . . 14
SPI INTERFACE
20
REGISTERS
21
Configuration overview . . . . . . . . . . . . . 21
APPLICATION NOTES
22
Setup for medium and small currents at
DEFAULT MODE
15
VCC/VCC3 . . . . . . . . . . . . . . . . 22
Enabling the switches . . . . . . . . . . . . . 15
Configuring the switches . . . . . . . . . . . . 15
Output protection . . . . . . . . . . . . . . . . 22
Feedback channel CFI–CFO configuration . . 15 DEMO BOARD
24
ICHAUS [ IC-HAUS GMBH ]
