CN
SubPMIC
NU6601A
NU6601A is a Charger PMIC integrate with multiple functions. It targets mid- and lowtier 4G/5G Smartphones battery charging application with in-box adapters ranging from 18W to 33W or 67W PD/PPS adapters.
Key Spec
Features

•  High efficiency 4A Switch Mode buck charger

- 95.5% charging efficiency at IBAT=1.5A from 5V Input

- 92% charging efficiency at IBAT=3A from 9V input

- Supports input range 3.9V ~ 13.5V

- Integrates Dynamic Power Management for input voltage input current

- BAT Sense Pin and AFVC (Automatic Float Voltage Compensation) IR Compensation provided to track battery voltage accurately

- PWM mode could smooth transfer to PSM mode for light load efficiency

- Integrates Narrow VDC (NVDC ) power path management

- +/-10mV VBAT regulation accuracy and +/- 4% charging current accuracy

•  8mOh BATFET for high efficiency power path support 10A discharging

- Ideal diode operation in Battery Supplement mode

- Support Ship Mode , wake up, and system reset

•  Smart input power management to recognize the adapter type and draw the max power from adapter

- Support Automatic Input Current Limit (AICL) to draw the max power out of the connected USB adapter

- Support BC1.2 and UFCS protocols

- Support TCPC CC logic and Power Delivery 3.0 protocols

- Connect Insertion Detection(CID) function is supported to reduce the corrosion of CC Pin 

USB On-the-Go (OTG) with adjustable VOUT from 3.9V to 5.4V and IOUT limit from 0.5A to 3A

- 94% efficiency at 3.8V VBAT 5V VBUS and 1.5A load 

•  Integrate with 2 Channel LED Drivers

- Up to 1.5A flash current for each channel

- Up to 500mA torch current for each channel

- Support headroom mode for flash mode to decrease thermal

•  Support 11 channel 13-bit ADC

- VAC VBUS VSYS VBAT BATP/BATN IBUS ICHG VTEMP TSBUS TSBAT BAT_ID

•  42 Pin 3.18mm x 2.8mm WCSP Package

Applications

•  Smart Phone

•  Tablet PC

Datasheet Download
NU6601A

2025 / 08 / 22