SY3408 is a single-chip IC specially designed for Bluetooth cradle charging cases, integrated with charging management module, LED driver, synchronous boost output and D+ and D- protocol modules, minimizing the peripheral circuits and components, and providing the simplest low-cost solution for the applications of Bluetooth cradle charging cases. It is available in a SOP8 package.
Linear charging, synchronous boost output, built-in charge & discharge power MOSFETs
0.2A default charging current
C/10 charge termination and automatic recharging
Adjustable charging current by adaptive adapter, VINDPM: 4.6 V
Preset 4.2V charge voltage with ±1% accuracy
Charge-discharge synchronization
Automatic load identification and automatic shutdown at low load
0.5A synchronous boost output current
Standby power loss: 3.5uA
Over-current, short-circuit, over-voltage and over-temperature protections during the discharge output
2*LED for charge/discharge indication
Click KEY to enable the boost output, click it again or long press to disable the boost output
D+ and D- protocols
TWS cradle charging cases
Portable lithium battery
Charge/discharge applications of small-capacity lithium batteries
Other low-power supply applications
Mailbox:sales@tkplusemi.com
Website:www.tkplusemi.com
Address:19th Floor, Caixun Science and Technology Building, No. 3176, Keyuan South Road, Nanshan District, Shenzhen
SY3408