AXP229 datasheet(2/4 Pages) XPOWER

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AXP229

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Revision 1.0

 E-Gauge

™ System

- Highly accurate gauge system with dual

modes

- Easy Mode: highly adaptive to different

Powers

- Exact Mode: highly accurate data is provided

for specific power(2%)

- Provides rich power information, such as

instantaneous power consumption (mA or

mW), remaining power (% or mA), charge

status (%), remaining power life, charge time,

etc.

- Low power warning and low power protection

- Provides die temperature

 System Management

- Supports soft reset and hard reset

- Supports soft shutdown and hard shutdown

- Supports external wakeup triggers

- Supports PWROK for system rest or shutdown

indication

- External power detection(insert/remove/drive

strength deficiency)

- All output voltage support software boot

- Over/Under-voltage protection (OVP/UVP)

- Over-current protection (OCP)

-Over-temperature protection (OTP)

 High Integration

- Highly accurate (0.5%) reference voltage

- Integrates MOSFET

APPLICATIONS

 Tablets, smartphones, smart TVs, DVRs

 UMPC and UMPC-like, student computers

DESCRIPTION

AXP229 is a highly integrated PMIC targeted at single

cell Li-battery (Li-ion or Li-polymer) appli-cations

that require multi-channe power conversion outputs.

It provides an easy and flexible power management

solution for multi-core processors to meet the

increasingly complex and accurate Require-

ments of power control.

AXP229 comes with an adaptive USB3.0-co-mpatible

Flash Charger that supports up to 94% efficiency and

2.2A charge current. It also provides 21 power output

channels (including 5-CH DCDC, with efficiency up to

95%). To ensure the security and stability of the

power system, AXP229 provides multiple-channel 12-

bit ADC for voltage/current temperature monitoring

and integrates protection circuits such as OVP, UVP,

OTP, and OCP. Moreover, AXP229integrates a unique

E-Gauge

™ system which simplifies battery power

measurement.

In addition, AXP229 contains a fast interface for the

system to dynamically adjust output voltage and

enable work mode switch in order to optimize battery

life.

Importantly, AXP229 also features an IPS

™

(Intelligent Power Select) circuit that transparently

selects power path among USB, external adaptor, Li-

battery, and system load, allowing the system to

function normally when only running on external

input power and not the battery.

AXP229 is available in 8mm x 8mm x 0.75mm 68-pin

QFN package.

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