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- Analog/PWM Input-Charge-Current Setting
- Up to 1.2MHz Switching Frequency
- Programmable Charge Current Up to 4A
- Monitors Input/Outputs
- Analog Input-Charge-Current-Setting Voltage
- AC Adapter Input Current
- AC Adapter Presence
- Automatic System Power-Source Selection
- Up to 17.4V (max) Battery Voltage
- 10V to 25V Adapter-Input Operation
- Cycle-by-Cycle Current Limit
- Multichemistry Battery Charger
- Fully Assembled and Tested
- Notebook Computers
- Portable Equipment with Rechargeable Batteries
- Tablet PCs
The MAX17015 EV kit is capable of supplying power to a system load while simultaneously charging one or more lithium-ion (Li+) battery cells. During normal operation, the EV kit circuit automatically selects the ADAPTER input or the battery as the main power source for supplying power to the system load. If the ADAPTER input is selected as the main source and the EV kit's input-current limit is exceeded, the charge current is reduced automatically to give priority to the system load.
The EV kit's input-current limit is set to 4A while the maximum battery-charge voltage and charge-current thresholds can be configured up to 17.4V and 4A, respectively. The thresholds can be adjusted by using on-board circuitry or by connecting analog signals to the respective test points on the EV kit. A digital output signal (active-low ACOK) indicates the presence of a valid AC adapter voltage at the ADAPTER input source.