What are some examples of the application of surface mount resistors in electronic products?

Surface mount resistors are widely used in electronic products. Here are some specific application examples:
Consumer electronics products
Smartphones and tablets: In these devices, patch resistors are used for power management circuits such as current limiting, voltage division, and filtering to ensure stable power supply at low power consumption. For example, in the iPhone, patch resistors are used to control charging current and adjust screen brightness.
Audio and RF circuits: Surface mount resistors, capacitors, inductors, and other components form filters to eliminate power noise and RF interference, ensuring clear and stable signals.
Automotive Electronics
Battery Management System (BMS): In the battery management system of electric vehicles, surface mount resistors are used for battery voltage monitoring and current detection to ensure the safety and performance of the battery.
Engine control and sensor circuits: Surface mount resistors are used in automotive engine control units and various sensor circuits for signal conditioning and current detection to improve system stability and reliability.
industrial equipment 
Industrial automation controller: In industrial automation equipment, surface mount resistors are used to control and signal processing circuits, ensuring the stability and safety of the equipment.
Robot equipment: Surface mount resistors are used to control motor current, adjust tool position, etc., to improve the accuracy and reliability of robot equipment.
Medical equipment
Portable electrocardiogram monitor: In medical equipment, patch resistors are used to control sensor output and stabilize device resistance, ensuring accuracy and safety of the device.
Cardiac pacemaker: Surface mount resistors are used to adjust pacing current and stabilize heart rate.
Communication equipment
Mobile phone antenna interface module: In communication devices, patch resistors are used for signal amplification and adjustment to ensure the stability of wireless signal transmission.
These application examples demonstrate the importance and versatility of surface mount resistors in modern electronic products, meeting the needs of various electronic devices through their miniaturization, high reliability, and ease of automated assembly.