The RT9750 is a 6A smart load switch battery charger, which integrates an internal load switch with charge pump control and 3-path constant current/constant voltage regulation, a 5-way hardware protection, and a 8-Channel 12-bit analog-to-digital converter. The RT9750 provides the accurate analog-to-digital converter for voltage/current measurement by I2C serial interface to report the battery charging parameters and 3-way software protection and flags.


  • Handheld Products
  • Portable Media Players
Key Spec.
Status NRND
Recommended Alternative  RT9748
Vin (min) (V) 3
Vin (max) (V) 6
Battery Charge Voltage (max) (V) 6
Battery Charge Current (max) (A) 6.35
Status Indicator No
Charger Type Switching
Input Source USB
Features Enable Input;I2C;OCP;OVP;SCP;UVP
Package Type WL-CSP2.75x3.05-42(BSC)
Built-in Power MOSFETs No
  • Internal Load Switch with Charge Pump Control
    ► Dual NFETs in a Back to Back Configuration
    ► Internal Charge Pump Control
  • 3-Path CC/CV Regulation
    ► Input Current Regulation (ICR)
    ► Output Voltage Regulation (OVR)
    ► Battery Voltage Regulation (BVR)
  • 5-Way Hardware Protection
    ► VBUS Over-Voltage Protection (VBUS_OVP)
    ► Drop-Out Over-Voltage Protection (VDR_OVP)
    ► Reverse Over-Current Protection (RE_OCP)
    ► Junction Over-Temperature Protection (TJ_OTP)
    ► Input Over-Current Protection (IOC_OCP)
  • 8-Channel 12-bit ADC
    ► High Accuracy of 12-bit Resolution
    ► 8-Channel for Voltage/Current Measurement
    ► High Speed Data Rate for 8/16 Times Average per Channel
  • 3-Way Software Protection
    ► Drop-Out Over-Voltage Protection Alarm (VDR_ALM)
    ► TS of the VBUS Over-Temperature Protection (TBUS_OTP)
    ► TS of the BAT Over-Temperature Protection (TBAT_OTP)
TitleLast UpdateDownload
6A Smart Load Switch Battery Charger2017/01/04
Evaluation Boards
TitleLast UpdateDownload
6A Smart Load Switch Battery Charger2021/01/21
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT9750WSCWL-CSP2.75x3.05-42(BSC)1500 Request Buy from Distributor