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ANPEC

APW7262 Datasheet Preview

APW7262 Datasheet

3MHz Synchronous Switch-Mode Battery Charger

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APW7262
3MHz Synchronous Switch-Mode Battery Charger with Full USB Compli-
ance and USB-OTG Boost Regulator
Features
General Description
Charge Faster Than Linear Charger
The APW7262 combine switch-mode battery charger and
3MHz with 0% to 99.5% Duty Cycle Synchronous a boost regulator with fixed 3MHz switching frequency,
Switch-Mode Charger with 1.5A Integrated N- which drives two integrated N-channel power MOSFETs.
MOSFETs
4V-6V Input Operating Range
20V Absolute Maximum Input Voltage
Safety
In battery charging, the high-efficiency step-down DC/DC
converter is capable of delivering 1.5A output current over
a wide input voltage range from 4V to 6V for APW7262, the
step-down DC/DC converter is ideally suited for portable
electronic devices that are powered from 1-cell Li-ion
-Reverse leakage protection to prevent battery battery. The Charging parameters and operating modes
drainage
-Thermal regulation and protection
can be programmed through an I2C interface. The
APW7262 has high accuracy regulation of input current,
-Input/output over-voltage protection
charge current and charge voltage. It equipped with charge
-Cycle-by-cycle current limit
termination, and charge status monitoring for battery
Accuracy
detection.
-+1% charge voltage regulation (0 to 85oC)
The APW7262 charge the battery in three phases:
-+5% charge current regulation
conditioning, constant current and constant voltage. The
-+5% input current regulation (100mA and
APW7262 features Dynamic Power Management (DPM)
500mA)
mode to accomplish input power limiting. The input cur-
Built-In Input Current Sensing and Limiting
rent is limited to the value set by the I2C host. This feature
Automatic Charging
Programmable Through High-Speed I2C
Interface(3.4Mb/s)
-Input Current Limit
-Fast-Charge and Termination Current
-Charge Regulation Voltage
-Weak Battery Voltage Threshold
-VIN DPM Threshold
-Termination Enable/Disable
-OTG Enable/Disable
-Reset All Parameter Control
-Safety Timer with Reset Control
5V, 500mA Boost Mode for USB OTG for 2.5V to
4.5V Battery Input
Available in 1.7mmx2.1mm WLCSP-20 and
TQFN4x4-20A Packages
reduces battery charge current when the input power limit
is reached to avoid overloading the AC adapter when sup-
plying the load and the battery charger simultaneously.
The charge termination is based on battery voltage, a
programmed minimum current level and charge current
termination bit set by the I2C host.
If the battery voltage falls below an internal threshold, the
APW7262 automatically restarts the charge cycle, and
when the input voltage falls below the battery voltage, it
will enter a low-quiescent current sleep mode. The
APW7262 supports the thermal regulation and over tem-
perature protection to maintain the junction temperature
of 120oC by reducing charge current.
The APW7262 can operate as a boost regulator. To sup-
port USB OTG device, APW7262 can provide VBUS
(5.05V) by boosting the battery voltage.
The APW7262 is available in1.7mmx2.1mm WLCSP-20
and TQFN4x4-20A packages.
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Jul., 2014
1
www.anpec.com.tw




ANPEC

APW7262 Datasheet Preview

APW7262 Datasheet

3MHz Synchronous Switch-Mode Battery Charger

No Preview Available !

APW7262
Applications
Cell Phones, Smart Phones and PDAs
Tablet PC
Portable Media Players, Handheld Device
Simplified Application Circuit
APW7262
ADAPTER or USB
CVBUS
VBUS
VAUX
10k 10k 10k
CPMID
PMID
CPMID
REGN
SDA
SCL
STAT
OTG
CD
SW
BOOT
CSIN
CSOUT
PGND
LOUT
CBOOT
CSIN
RSNS
CSNS
COUT1
CSOUT
Ordering and Marking Information
To
SYSTEM
VBAT
PACK+
COUT2
PACK-
Assembly Material
Assembly Material
G : Halogen and Lead Free Device
7262
•X
APW
7262
•XXXXX
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Jul., 2014
2
www.anpec.com.tw


Part Number APW7262
Description 3MHz Synchronous Switch-Mode Battery Charger
Maker ANPEC
Total Page 30 Pages
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