特性
- 8A output current (DA9318L)
- 10A output current (DA9318M)
- 98% efficiency at 3A
- 5% current sense accuracy (DA9318L)
- 10% current sense accuracy (DA9813M)
- Reverse and forward current protection in IDLE mode
- Safe high-voltage direct charging
- Safety timer and watchdog
- 8-bit ADC to measure voltage and current at the input and output, as well as temperature
- Junction temperature monitoring
- I2C compatible 2-wire interface
- Package: WLCSP 3.62mm × 3.78mm
DA9318 Block Diagram
描述
The DA9318 is optimized to handle high charging currents and at the same time ensure the safety of the battery and the system. It operates together with a main charger, which handles the pre-charge and constant voltage charging duties.
The current doubling is achieved with a high-efficiency capacitive divider that provides an output voltage of VIN/2, which allows the use of standard USB Type-C™ cables for charging currents up to 6A. The peak efficiency of DA9318 is 98%. With a maximum 8A charging current, the DA9318L variant can provide 35W of charging power, whereas the DA9318M variant provides 10A of output current and 44W of charging power.
Benefits
- Safe high-voltage direct charging
- Automatic shutdown in fault condition
- Travel adapter detection
- No inductors
- No input current ripple
- <1mm component height
- Small PCB area
- Standard 3A Type-C cable
- Built-in fault protection
应用
- Smartphones
- Tablets
- Battery packs
- Li-ion powered devices
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- Model-Based Development Platform中文Offers electrochemical battery models designed to run on Renesas battery management solution platforms, enabling more accurate state estimation and improved overall battery performance.提供方: BattGenie
