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AXP209 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part No. AXP209
Description  Enhanced single Cell Li-Battery and Power System Management IC
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Maker  ETC2 [List of Unclassifed Manufacturers]
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AXP209 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

 
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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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