IC-GF_15 Datasheet, PDF (3/30 Pages) IC-Haus GmbH – TRANSCEIVER

iC-GF
TRANSCEIVER
CONTENTS
Rev F1, Page 3/30
PACKAGING INFORMATION
4
Feedback channel CFI–CFO configuration . 18
PIN CONFIGURATION QFN24 4 mm x 4 mm 4
Undervoltage signalling . . . . . . . . . . . . 18
PIN CONFIGURATION CSP . . . . . . . . . 5
PACKAGE DIMENSIONS QFN24 4 mm x 4 mm 6 ^{SPI MODE}
19
PACKAGE DIMENSIONS CSP . . . . . . . . 7
Switch enable . . . . . . . . . . . . . . . . . . 19
Switch control . . . . . . . . . . . . . . . . . . 19
ABSOLUTE MAXIMUM RATINGS
8
Switch configuration . . . . . . . . . . . . . . 19
THERMAL DATA
Digital filtering at inputs . . . . . . . . . . . . 20
8
Excitation current . . . . . . . . . . . . . . . . 20
ELECTRICAL CHARACTERISTICS
Feedback channel CFI–RX configuration . . 21
10
Overload detection . . . . . . . . . . . . . . . 21
OPERATING REQUIREMENTS
14
SPI Interface . . . . . . . . . . . . . . . . . . 15
Spread spectrum oscillator . . . . . . . . . . 22
Pull-down currents . . . . . . . . . . . . . . . 22
Undervoltage signalling . . . . . . . . . . . . 22
DESCRIPTION OF FUNCTIONS
16
Communication requests . . . . . . . . . . . 22
Reverse polarity protection . . . . . . . . . . 16
Output characteristics of Q1, Q2 . . . . . . . 16 ^{SPI INTERFACE}
23
Free-wheeling circuit for inductive loads . . . 16 _REGISTERS
24
Dead time . . . . . . . . . . . . . . . . . . . . 16
Configuration overview . . . . . . . . . . . . 24
Overload detection . . . . . . . . . . . . . . . 16
Undervoltage detection . . . . . . . . . . . . 17 APPLICATION NOTES
25
Digital filtering at inputs . . . . . . . . . . . . 17
Feedback channel CFI–CFO . . . . . . . . . 17
Spread spectrum oscillator . . . . . . . . . . 17
Setup for medium and small currents at
VCC/VCC3 . . . . . . . . . . . . . . . . 25
Output protection . . . . . . . . . . . . . . . . 25
Configuration mode . . . . . . . . . . . . . . 17 _{DEMO BOARD}
27
DEFAULT MODE
18 _{DESIGN REVIEW: Function Notes}
29
Enabling the switches . . . . . . . . . . . . . 18
Configuring the switches . . . . . . . . . . . . 18 REVISION HISTORY
29