TIDUF96
October 2024
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Power Topology
2.2.2
PCB and Form Factor
2.2.3
Antenna
2.3
Highlighted Products
2.3.1
AWRL1432BGAMFQ1
2.3.2
TPS628502-Q1
2.3.3
LMR43620-Q1
2.3.4
TLIN1021A-Q1
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.1.1
Getting Started With Hardware
3.1.1.1
Primary Power Up Option
3.1.1.1.1
Making the Connections in Primary Power Up Option
3.1.1.2
Secondary Power Up Option
3.1.1.2.1
Making the Connections in Secondary Power Up Option
3.1.1.3
Sense-on-Power (SOP)
3.1.1.4
AWRL1432 Initialization: Board Programming
3.2
Test Setup
3.3
Test Results
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.1.3
Layout Prints
4.1.4
Altium Project
4.1.5
Gerber Files
4.2
Tools and Software
4.3
Documentation Support
4.4
Support Resources
4.5
Trademarks
5
About the Authors
1.1
Key System Specifications
Table 1-1 Key System Specifications
PARAMETER
COMMENTS
MIN
TYP
MAX
UNIT
V
IN
Supply Voltage
Battery Input
3
(1)
12
36
(1)
V
P
presence
Power consumption in presence mode
V
IN
= 12V
3.16
mW
P
gesture
Power consumption in gesture mode
V
IN
= 12V
272
mW
(1)
Even though LMR43620-Q1 supports a wide input voltage range of 3.0V to 36V with transients up to 42V, the recommendation is to operate the reference design under 3.6V to 20V for proper functional operation.