TWS SOC Chip
1、IP5528
Features
1. Integrated 32bit CPU, 16K Bytes MTP ROM, 2K Bytes RAM, support USB port upgrade.
2. Integrated dual-channel UART headset communication, support LED, 188 digital display fuel gauge display.
3. Support 1A charging and 400mA discharge; binaural independent current limiting and direct charging, the real charging is 5 minutes and the call is 2 hours.
4. Supports multiple lithium battery protections such as input undervoltage, overvoltage, overcharge, NTC temperature overtemperature, and short circuit protection.
5. Built-in power MOS, 1uH single inductor realizes charging and discharging, and realizes a minimal BOM.https://bjbjaudio.com/
2、IP6818
Features
1. Integrated maximum 500mA linear charging, adjustable charging current, support 4.20V, 4.30V, 4.35V and 4.4V lithium batteries.
2. Support 300mA synchronous boost conversion, boost efficiency up to 93%, built-in power path management, support while charging and discharging.
3. Support Qi protocol wireless charging receiving function, automatically adjust the charging current, and match the output capability of the adapter and wireless charging.
4. Dual UART, support independent communication function of left and right earphones.
5. Support independent detection of dual-channel earphones, intelligently identify earphones inserted/filled/unplugged, and automatically enter standby.
6. Built-in power MOS, only a small number of peripheral devices can realize a complete charging and discharging solution.https://bjbjaudio.com/
3. IP5518
Features
1. The built-in MCU can flexibly customize 4/3/2/1 LED or 188 digital tube power display and customized requirements, and the built-in 12bit ADC can accurately calculate the power.
2. Integrated maximum 500mA linear charging, adjustable charging current, support 4.20V, 4.30V, 4.35V and 4.4V lithium battery.
3. Support 300mA synchronous boost conversion, boost efficiency up to 93%, built-in power path management, support while charging and discharging.
4. Dual UART, support independent communication function of left and right earphones.
5. Support independent detection of dual-channel earphones, intelligently identify earphones inserted/filled/unplugged, and automatically enter standby.
6. Built-in power MOS, only a small number of peripheral devices can realize a complete charging and discharging solution.https://bjbjaudio.com/
4、IP5333
IP5333 is a multi-function power management SOC integrating boost converter, lithium battery charging management, battery level indicator and TYPE-C protocol, providing rated 1A charging current, built-in IC temperature protection and input voltage intelligent adjustment of charging current, built-in 12bitADC , which can accurately measure battery voltage and current to achieve high-precision fuel gauge, providing a complete solution for TWS charging bins. The high integration and rich functions of IP5333 make it only require very few peripheral devices in application, and effectively reduce the size of the overall solution and reduce the BOM cost.https://bjbjaudio.com/
Features:
1. Synchronous switch charge and discharge
1A synchronous boost conversion, 1A synchronous switching charging, boost efficiency up to 92%, charging efficiency up to 91%
2. Charging
Automatically adjust charging current to match adapter output capability, support 4.20V, 4.30V, 4.35V and 4.4V batteries
3. Power display
Built-in 12bit ADC, support 1/2/3/4 LED lights for power display. 88 series models support fuel gauge and capacity self-calibration
4. Feature-rich
Support NTC function, support external pin selection of battery voltage, support external pin selection of charging current, support binaural independent insertion/extraction detection, support TYPE-C insertion/extraction detection, integrated TYPE-C DRP protocol, support single port Input and output, integrated UART*2 for headset communication
5. Low power consumption
Intelligently identify when the load is unplugged, automatically enter standby, and the standby power consumption is at least 20 µA
6. BOM is minimal
Built-in power MOS, 1uH single inductor realizes charging and discharging
7. Multiple protection, high reliability
Output over-current, short-circuit protection, independent binaural current-limiting protection, input under-voltage, over-voltage, over-charge protection, input and output over-temperature protection, VBUS transient withstand voltage up to 15V
9. In-depth customization
Flexible and low-cost customized solutionshttps://bjbjaudio.com/