With the popularity of smart phones and the advancement of science and technology, in the past 10 years, the consumer electronics industry has achieved rapid development, and the birth of the concept of the Internet of Things has further promoted the application of smart terminal products in more fields.
After years of upgrading and iteration, intelligent terminal products can carry more and more application functions, and higher requirements are also put forward for product battery life. With the development of lithium battery technology, fast charging source management technology is adopted by more and more manufacturers. However, the traditional charge management chip, high-current constant current charging settings often affect the increase of the cutoff current, in the application of high-rate battery fast charging, it will cause the battery can not be fully charged in order to take into account the fast charge.
Based on this technical pain point, Siyuan launched the 10mA cut-off current 2A, BUCK charging management chip SY6201, which can better achieve the performance requirements of high-current charging - small current cut-off.
Founded in 2011, Siyuan is a national high-tech enterprise and a leading power chip company in the TWS industry, and has been focusing on the design of POWER+ power management system chips for battery applications. Committed to providing leading battery management system-level chip solutions for smart wearables, consumer electronics, industrial, new energy vehicles and other industries. Including mobile power SoC chip, TWS headset power management chip, lithium battery charging chip, power management PMIC, wireless charging chip, etc.
In the past 11 years, Siyuan has launched a variety of different models of power chips in the market, which are widely welcomed by the market, in addition to sharing this newly launched SY6201 chip with you, this article also further combs the application of Siyuan chips in the market.
Siyuan SY6201 chip introduction
The SY6201 is a highly integrated single-cell Li-Ion/Li-Polymer battery-switch charging chip with system power path management (NVDC) for portable wearable devices with small size and small charge cutoff current. The integrated path management function prioritizes system power and still meets the system supply voltage requirements when the battery is over-discharged, plug and play.
In addition, the SY6201 features precharge (PRE.C), fast constant current charging (CC) and constant voltage (CV) regulation, as well as charge end control and automatic recharge when the battery voltage drops, the SY6201 is available in the QFN-24 4mm×4mm package.
Siyuan SY6201 product features
Voltage: 3.5V~4.52V charging float voltage, accuracy of ±0.4%, 10mV step; 22V high input withstand voltage;
Current: 5% constant current charging accuracy, 20mA step, charging cutoff current accuracy 20mA±2mA, minimum support for 10mA;
Support: safety timing during charging, delay timing mode after charging is completed, battery temperature NTC detection, configurable JEITA curve;
Integrated charge overvoltage protection; programmable charge voltage, current and temperature threshold I2C;
Charging current temperature regulation function, charging current automatically decreases with temperature increase;
Dynamic regulation when input power is low, including IINPDM, VINDPM and timely battery recharge;
Support comprehensive protection mechanism, including VSYS overcurrent and short circuit protection, battery overvoltage, input overvoltage and overtemperature;
Support configurable delayed entry into the ship mode;
10uA standby power consumption, 2uA ship mode power consumption;
Complete status escalation and interruption mechanism;
Comprehensive system reset mechanism, support long press button / watchdog / VBUS insertion and other configurable system power down reset function.
Siyuan SY6201 typical application circuit
SY6201 integrates I2C communication module, the host can flexibly configure charging parameters and obtain charging status, and can report related interrupts. Integrated comprehensive reset functions, including charge-discharge watchdog timing reset, key reset, register reset.
(SY6201 Typical Application Circuit)
(Chip pin diagram)
Siyuan SY6201 application scenario
SY6201's excellent charge management performance is particularly suitable for portable smart terminal products, typical applications include but are not limited to the following scenarios:
Market application of Siyuan chip products
In the first year of its establishment, Siyuan designed 11 chips, and in the next two years, it completed the design and mass production of 60 ICs. In 2014, Siyuan entered the rapid outbreak of the mobile power market at the time of its establishment 3 years, MP2310 is Siyuan's first mobile power soC, because of its high cost performance, it is used by many customers in the white-label market, and sold more than 30 million units in the two years from 2014 to 2015.
With the rapid growth of the mobile power supply market, Siyuan's products have also crossed the transition from linear charging to asynchronous boost to switching charging + synchronous boost upgrading, and the monthly shipment of Siyuan Mobile Power SoC reached 12KK in 2017.
From 2017 to 2021, the TWS headset market continued to explode at a high speed, and in the past few years, The focus of Siyuan's research and development has gradually shifted from the mobile power market to the TWS true wireless headset market. Relying on the accumulation of technology and experience in the mobile power market, the product definition, reliability requirements and specifications of Siyuan TWS chips are closer to the products of European and American manufacturers, and even better in some details, so it has achieved good market feedback.
SY3402 is the first explosive product of Siyuan in the TWS headphone market, SY3402 solved the problem of low power consumption and small current shutdown in the first batch of users, customers can quickly produce, ensure that the time to market of the product is fast enough, and have been selected by many solution providers.
In 2019, the shipment volume of Siyuan TWS power management chip exceeded 100KK, and its market share ranked first in the industry. In 2020, Siyuan high-end power chip SY8801 mass production, annual sales exceeded 100 million yuan.
As of March 31, 2022, it was learned from the teardown report of I Love Audio Network that Siyuan's TWS headphone power management chip, lithium battery charge management chip and protection device have been adopted by at least 55 TWS headphone products under at least 35 brands, including:
Mobile phone brands: Xiaomi, OPPO, OnePlus, Meizu, realme, TRANSSION, Motorola, HTC;
Audio brands: Wanderer, Sound, Magic, Beth, 233621, Xiaodu, QCY, NetEase Cloud Music, SONG X, Marshall, JBL, Innovative Technology, Sony, Philips, Jabra, Magic Sound;
Other 3C digital peripheral brands: Greenlink, Bull, Fengta Technology, Leibai, Feizhi, TOZO, Amazon, Item Technology, LEANTS, Magic Feast, noise.
Siyuan chip product application cases
I love audio network disassembly report information shows that Siyuan is used by many TWS headphone brands in the chip product series models include:
TWS headphone power management chip: SY8825, SY8821, SY8815, SY8810, SY8803, SY8802, SY8801, SY7638, SY7636, MP5330, MP3401A, MP3407, SY6103
Lithium battery charge management chip: SY5500, SY7612, SY7618, SY8602;
Protection devices: SY5320, SY8702, SY8701.
TWS headset power management chip
1. Siyuan SY8801
2. Siyuan SY8802
3. Siyuan SY8803
4. Siyuan SY8810
5. Siyuan SY8815
6. Siyuan SY8821
7. Siyuan SY8825
8. Siyuan SY6103
9. Siyuan SY7638
10. Siyuan SY7636
11. Siyuan MP5330
12. Siyuan MP3401A
13. Siyuan MP3407
Lithium battery charge management chip
1. Siyuan SY8602
2. Siyuan SY5500
(3) Soundcore Soundcore Life P3 True Wireless Noise Cancelling Headphones
3. Siyuan SY7618
4、SY7612
Protect the device
1. Siyuan SY5320
2. Siyuan SY8702
3. Siyuan SY8701
I love audio network summaries
The new SY6201 chip adopts QFN-24 4mm×4mm package, highly integrated single-cell Li-Ion/Li-polymer battery switch charging chip with system power path management function, suitable for portable wearable devices with small size and small charging cutoff current. Support safe timing during charging, delayed timing mode after charging is completed, battery temperature NTC detection, configurable JEITA curve, VSYS overcurrent and short circuit protection, battery overvoltage, input overvoltage, overtemperature protection, charging voltage, current and temperature threshold I2C programmable, charging current automatically decreases with temperature increase, etc.
As of press time, it was learned from the I Love Audio Network disassembly database that Siyuan's TWS headphone power management chip, lithium battery charging management chip and protection device have been adopted by at least 55 TWS headphone products under at least 35 brands. One of the TWS headphone power management chips, SY8801, is a hot-selling chip of Siyuan, which has been adopted by at least 14 TWS headphone products.
Founded in 2011, Siyuan is a national high-tech enterprise and a leading power chip company in the TWS industry, and has been focusing on the design of POWER+ power management system chips for battery applications. Committed to providing leading battery management system-level chip solutions for smart wearables, consumer electronics, industrial, new energy vehicles and other industries. The chip products launched by it have repeatedly broken through technical barriers in the market and have had a significant impact on the industry.
Dong Guanbin, the founder of Siyuan, believes that the way out for chip design companies lies in value innovation, and we believe that for the future, Siyuan will still be able to lay out the product structure according to the changes in the market and bring innovative products to the market.