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AXP209 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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AXP209 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
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4 / 45 page  AXP209 Enhanced single Cell Li-Battery and Power System Management IC 2. Features Intelligent Power Select (IPS) o Wide input voltage range: 2.9V ~ 6.3V (AMR:-0.3V ~ 11V) o Configurable Intelligent Power Delect "IPS™" System o Adaptive USB (Support USB3.0) Or AC adapter with current limiting (4.4V / 900mA / 500mA / 100mA) o Battery path is less than equivalent resistance of 75mΩ Fully Integrated PWM Charger o Maximum charge current to 1.8A o Support battery temperature monitoring o Full support of USB compatible chargers (including USB 3.0) o High charging accuracy error of less than 0.5% o Supports 4.1V/4.15V/4.2V/4.36V and other battery voltages o Automatic charging process control and management o Can directly drive LED to indicate charging status o The system automatically adjusts the charge current to suit the system load Backup battery support o Provision for a backup battery input supply an RTC Module o Supports backup battery charging, with adjustable charging current. 2 Synchronous Buck Converters o DC-DC1: The PWM charger o DC-DC2: 1.6A 0.7-2.275V, adjustable 25mV / step, supporting VRC (Voltage ramp control) o DC-DC3: 1.2A 0.7-3.5V, adjustable 25mV / step. 5 Linear regulators (LDO) o LDO1:30mA Always one o LDO2: 200mA Low Noise LDO,1.8V ~3.3V, Adjustable 100mV / step o LDO3: 200mA 0.7-3.5V Adjustable, 25mV / step o LDO4: 200mA Low Noise LDO,1.8V ~ 3.3V Adjustable 100mV / step o LDO5: 50mA Low Noise LDO, 1.8- 3.3V Adjustable, 100mV / step. Timer (Timer) o 7bit Timer, Timing range 1 ~ 127 minutes o Timer Interrupt Output Signal Acquisition System (Signal Capture) o Built-in 12-channel 12 Bit ADC o Accept two external analog signal inputs o Provide battery and external power supply voltage and current data o Built-Precision Coulomb Counter and Fuel gauge system o Provide a wealth of power management information, such as instantaneous power (mA or mW), the remaining battery capacity (% or mAh), The state of charge (%) and remaining battery or charging time o Two-level low-battery warning and protection o Provides chip die temperature data • Application Processor Interface (Host Interface) o Host can exchange data through the TWSI (I2C) o Flexible interrupt and sleep management o Flexible pin function, multiple GPIO can be set as IO, ADC and other functions o Built-in configurable timer o Provide 12 sets of registers that can retain data when the system is shut down. • System Management (System Management) o Support soft and hard reset o Support for soft and hard shutdown o Support for external wakeup triggers o Supports output voltage monitoring and self-diagnostic function o Output PWROK indication for system reset or shutdown o External power detection (insertion/removal/sufficient current capacity) o Supports soft power on via GPIOs o Over / under voltage protection (OVP / UVP) o Overcurrent protection (OCP) o Over-temperature protection (OTP) o Support OTG VBUS power state setting / monitoring Highly Integrated o Internal precision voltage reference (0.5%) o Built-in MOSFET o Timing and the output voltages can be customized Decryption module (Decryption) o 128bit OTP password storage o Dynamic real-time decryption algorithm Confidential Page 4/45 |
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