AXP209 اورجینال

توضیحات بیشتر  AXP209

https://linux-sunxi.org/AXP209

AXP209 is designed to be a highly-integrated power system management IC that is optimized for applications requiring single-cell Li-battery (Li-Ion/Polymer) and multiple output DC-DC converters.

AXP209 integrates

• an adaptive USB-Compatible PWM charger
• 2-way step-down converter (Buck DC-DC converter)
• 5-channel linear regulator device (LDO) voltage / current / temperature multi-channel 12-Bit ADC
• 4 configurable GPIO. Sustaining Card power system security the stable
• AXP209 integrated over / under voltage (OVP / UVP), over temperature (OTP), overcurrent protection (OCP) circuit.

Features

• Automatic gapless power source change (IPS- Intelligent Power Select)
  • Voltage range: 2.9 V - 6.3V (AMR:-0.3V-11V)
  • Configurable high efficient IPS system
  • Adjustable USB or AC-adapter current limit (4.4V/900mA/500mA/100mA)
  • Battery Power Path resistance less than 75mΩ
• Fully integrated PWM Charger
  • Maximum charging current of up to 1.8A
  • Full support USB charging
  • Battary voltage range: 4.1V/4.15V/4.2V/4.36V
  • Battery temperature monitoring
  • Automatic charging process control
  • Support charger LED
  • Automatically adjust charge current according to system load
• Backup battery
  • Support backup battery (can be used for RTC module)
  • Support for backup battery, charging current can be set
• 2 synchronous buck DC-DC converters
  • DC-DC2: can be adjusted between 0.7-2.275V 25mV/step, drive capability 1.6A support VRC
  • DC-DC3: can be adjusted between 0.7-3.5V, 25mV/step, drive capacity 1.2A
• 5 low drop-out linear regulators
  • LDO1: Always-on 30mA
  • LDO2: Low noise with voltage from 1.8V to 3.3V adjustable 100mV/step, drive capability 200mA
  • LDO3: 0.7-3 .5 V adjustable, 25mV/step, Drive capacity 200mA
  • LDO4: low noise LDO, 1.8V-3.3V adjustable 100mV/step, drive capability of 200mA
  • LDO5: low-noise LDO, 1.8-3.3V adjustable 100mV/step, drive capability 50mA
• Timer (Timer)
  • 7bit Timer, Timing Range 1127 minutes
  • Timer outputs interrupts
• Signal acquisition system
  • Built-in 12 Bit ADC, 12-way for current and voltage control with two additional external signal input
  • Built-in Fuelgauge system
  • Provides information, such as power consumption (mA or mW), the remaining battery capacity (% or mAh), the state of charge (%) and the remaining time for battery to charge
  • Two-level low-power warning and protection
  • Internal temperature sensor
• Application Processor Interface (Host Interface)
  • TWSI (I2C) interface for data exchange
  • IRQs and Sleep Managment
  • Built-in GPIO
  • Built-in configurable timer
  • Provide 12 registers for data storage during system power-off
• System Management
  • Soft reset and hard reset support
  • Soft and hard power shutdown support
  • Support for external wake source
  • Support the output voltage monitoring, self-diagnostic function
  • Output PWROK, indicating system reset or shutdown instructions
  • External power detection (insert / remove / drive capacity)
  • Supports soft power-on for input & output
  • Over/Under-voltage protection (OVP / UVP)
  • Overcurrent protection (OCP)
  • Overtemperature protection (OTP)
  • Support OTG VBUS power state setting / monitoring
• Highly integrated
  • Internal precision reference voltage (0.5%)
  • Built-in MOSFET
  • timing and the output voltage can be customized
• Decryption module
  • 128bit OTP password storage
  • dynamic real-time decryption algorithm

https://kavirelectronic.ir/eshop/img/p/1/8/3/4/1834-small_default.jpg?time=1507618500702