NU2112A is a 98.0% efficient, 7-A battery charging/discharging solution with switched cap and compatible bypass architectures. The switched cap architecture and the integrated FETs are optimized to enable a 50% duty cycle, allowing the cable current to be half the current delivered to the battery, reducing the losses over the charging cable as well as limiting the temperature rise in the application. The dual-phase structure reduces the input cap requirements as well as reducing the output voltage ripple. NU2112A will integrate BC1.2, VOOC and UFCS protocols.
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• 98.0% Efficient at Switched Cap Mode, 99.1% Efficient at Bypass Mode
• Switched Cap Architecture Optimized for 50% Duty Cycle.
- Input Voltage is 2x Battery Voltage (3.0 V to 5.5 V)
- Output Current is 2x of Input Current (Up to 3.5 A)
• Support Forward 2:1 and 1:1 Charge mode
• Support Reverse 1:2 and 1:1 Discharge mode
• BC1.2, VOOC and UFCS protocol Integrated via D+/D-
• Main Integrated Programmable Protection Features for Safe Operation
- Input Over-Voltage Protection (BUS_OVP)
- Input Over-Current Protection (BUS_OCP)
- Input Under-Current Protection (BUS_UCP)
- VDROP Over-Voltage Protection (DROP_OVP)
- Battery Over-Voltage Protection (BAT_OVP)
- Output Over-Voltage (VOUT_OVP)
- Voltage Tracking Protection (PMID2VOUT)
- IBAT Over-Current Protection (BAT_OCP)
- Thermal Shutdown Protection (TSD)
• Programmable Settings for System Optimization
- IBUSREG, VBATERG and IBATERG Regulation integrated
- STAT, FLAG, and MASK options for Interrupts
• Integrated 15-Bit Analog-to-Digital Converter (ADC)
- ±1% BUS Voltage
- ±4% BUS current at 2.5A (0℃ to 85℃)
-±1% VOUT Voltage
- 0~0.25% BAT voltage with Differential Sensing
- ±2% BAT Current at 6 A with External RSENSE =2mΩ (0℃ to 85℃)
- ±3℃ Die Temperature (0℃ to 85℃)
- • Smart Phone
- • Table PC
- • Wearable