RTC (Real-Time Clock): YSN8130 for Smart Robot Vacuums

With the rapid adoption of smart home technology, robotic vacuum cleaners have evolved from random collision-based cleaning to systematic intelligent cleaning. Core functionalities such as scheduled operation, path planning, and zoned cleaning all rely on a stable and reliable time reference—the Real-Time Clock (RTC) chip. Yangxing Technology's YSN8130 series RTC provides essential timing support for smart cleaning systems, featuring high-precision timing, low-power operation, and stable performance across wide temperature ranges. This ensures every cleaning cycle is more organized, efficient, and hassle-free.

 

I. Main Parameters of YSN8130

Operating temperature range: -40°C to +85°C

Primary/Backup Power Supply Voltage (VDD/VBAT): 1.2V to 5.5V

Interface voltage range (VIO): 1.6V to 5.5V

Communication interface: I²C, slave addresses 0x64/0x65 (write/read)

Package type: LGA-10/SMD-10

Encapsulation dimensions: 3.2×2.5×1.0 mm Encapsulation dimensions: 3.2×2.5×1.0 mm

Backup power supply pin: Pin 10 = VBAT Backup power supply pin: Pin 10 = VBAT

Typical standby power consumption: 0.9μA @ VBAT=3.0V,25℃

Frequency accuracy at room temperature (25°C): 5±23 PPM

Wide temperature range frequency accuracy (-20°C to +70°C): -120 ppm to +10 ppm

Ageing rate: ±5 PPM/year Ageing rate: ±5 PPM/year

Power supply architecture: Dual power supply with automatic switching Power supply architecture: Dual power supply with automatic switching

 

II. Core Product Advantages

1. Ultra-low power consumption with extended battery life assurance

The typical standby power consumption is only 0.9μA, significantly lower than the industry standard level.

-Wide voltage compatibility: Main/backup power supply voltage range 1.2V~5.5V, interface voltage range 1.6V~5.5V

Addressing pain points: In scenarios where robotic vacuums remain in long-term standby or are scheduled for wake-up, additional power consumption can reduce the main battery's endurance, while frequent charging impacts user experience. The YSN8130 efficiently adapts to both main battery and backup power supply solutions for robotic vacuums, consuming minimal extra power during prolonged standby and scheduled wake-up operations, thereby significantly enhancing overall device endurance.

 

2. High-precision timing with long-term stability and reliability

The frequency accuracy at room temperature (25°C) is only 5±23 PPM.

-Digital calibration: Supports digital clock offset calibration with a maximum tolerance of ±195 ppm, capable of compensating for initial crystal oscillator deviations

Addressing pain points: If the scheduled cleaning or appointment tasks of a robotic vacuum cleaner deviate from the scheduled time, it may lead to disrupted cleaning schedules and affect users' daily routines. The YSN8130 features high-precision timing and wide-temperature stability, ensuring accurate and drift-free operation over long-term use, thereby meeting the requirements of round-the-clock automated cleaning scenarios in households.

 

3. High integration with compact size, simplified design to reduce costs

-Built-in 32.768 kHz crystal oscillator eliminates the need for external oscillators, simplifying peripheral design

With dimensions of just 3.2×2.5×1.0mm, it saves PCB space and is ideal for slim, compact devices.

-Built-in 4-byte user RAM for storing a small amount of critical data

Addressing pain points: The compact body of robotic vacuums and limited PCB space pose challenges, as complex peripheral circuits increase design complexity and material costs. The YSN8130 incorporates a built-in 32.768kHz crystal oscillator without external components, while its 3225 ultra-compact package allows seamless integration into the compact chassis. This significantly simplifies circuitry, reduces BOM costs, and facilitates slim and lightweight product design.

 

4. Dual power supply automatic switching, ensuring uninterrupted operation during power outages

-Dual power supply switching (backup power): Enables seamless automatic switching between the primary power supply VDD and backup power supply VBAT, automatically switching to battery power to maintain clock operation after power failure.

-Low Voltage Detection (VL Detection): Supports low voltage detection for the VDD main power supply and VBAT backup battery, with output of status flag bits

-Multiple interrupt sources: Supports various interrupt triggers including alarms, timers, and time updates, meeting low-power wake-up requirements

Addressing pain points: When replacing batteries or experiencing unexpected power outages in robotic vacuum cleaners, clock data is prone to loss, necessitating time reset and task rescheduling, resulting in cumbersome operations. The YSN8130 features dual-power seamless automatic switching and power loss retention capabilities, ensuring continuous clock operation without data loss during shutdown, power interruption, or charging processes.

 

5. Rich features, meeting scenario requirements in one-stop solution

-Full calendar: Supports year (2000-2099), month, day, hour, minute, and second in BCD format, with automatic leap year correction

Flexible alarm: Supports daily/weekly alarms and can be interrupted for scheduled wake-up

-Programmable timer: Supports multi-level counting clocks, enabling timing interrupts from 244 microseconds to hourly intervals

-Multi-frequency output: Three selectable frequencies: 32.768kHz/1024Hz/1Hz

-Charging Management: Supports charging control for rechargeable backup batteries, with configurable charging cutoff voltage

Addressing pain points: Floor-cleaning robots require features such as scheduled wake-up, zoned cleaning, and work sequence management. The YSN8130 offers comprehensive functionality and easy development, enabling timed startup, battery level alerts, and work sequence management to enhance the intelligence level of floor-cleaning robots.

 

Vacuum robots require stringent specifications for scheduled cleaning, low-power standby mode, power loss memory retention, and compact design. The YSN8130 series RTC, with its comprehensive performance advantages, perfectly meets the design requirements of robotic vacuum cleaners.

For sample requests, quotes, product information, or technical consultations, feel free to contact Xiao Yang directly!