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FAN54300 데이터시트 PDF




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부품번호 FAN54300 기능
기능 Li-Ion Switching Charger
제조업체 Fairchild Semiconductor
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FAN54300 데이터시트, 핀배열, 회로
August 2013
FAN54300 USB-Compliant, Dual-Power Input, Single-Cell,
Li-Ion Switching Charger with USB-OTG Boost Regulator
Features
Fully Integrated, High-Efficiency Charger for Single-Cell
Li-Ion and Li-Polymer Battery Packs
Accepts USB or Dedicated Power Input Source
5 V, 300 mA Boost Mode for USB OTG from 2.5 to 4.5 V
Battery Input
Charge Voltage Accuracy: 0.5% at TA=25°C
1% from TA=0 to 125°C
5% USB Input Current Regulation Accuracy
5% Charge Current Regulation Accuracy
20 V Absolute Maximum Input Voltage
9.5 V Maximum Input Operating Voltage on VIN Pin,
6.5 V Maximum on VBUS Pin
Up to 1.5 A Maximum Charge Rate
Programmable Charge and Mode through High-Speed I2C
Interface (3.4 Mb/s) with Fast Mode Plus Compatibility
Input Current
Fast-Charge / Termination Current
Charger Voltage
Safety Timer
Termination Enable
3 MHz Synchronous Buck PWM Controller with Wide Duty
Cycle Range
Small Footprint, 1 H, External Inductors
Safety Timer with Reset Control
Weak Input Sources Accommodated by Reducing
Charging Current to Maintain Minimum VBUS Voltage
Low Reverse Leakage from Battery Drain to VBUS or VIN
Programmable LED Drive for Charge Indication
Register and Slave Addresses Compatible with FAN540X
and FAN542X Families
Description
The FAN54300 combines two highly integrated switch-mode
chargers and a boost regulator to minimize single-cell Li-Ion
charging time from a USB and/or auxiliary power source.
Charging parameters and operating modes are programmable
through an I2C Bus® interface that operates up to 3.4 Mbps.
The charger and boost regulator circuits switch at 3 MHz to
minimize the size of the external passive components.
The FAN54300 provides battery charging in three phases:
conditioning, constant current, and constant voltage.
To ensure USB compliance and minimize charging time, the
USB input current is limited to the value set through the I2C
host. Charge termination is determined by a programmable
minimum current level. A safety timer with reset control
provides a safety backup for the I2C host.
The IC automatically restarts the charge cycle when the
battery falls below an internal threshold. If the input source is
removed, the IC enters a high-impedance mode, with leakage
from the battery to the input prevented. Charge status is
reported back to the host through the I2C port. Charge current
is reduced when the die temperature reaches 120°C.
The FAN54300 can operate as a boost regulator on command
from the system. The boost regulator includes a soft-start that
limits inrush current from the battery.
The FAN54300 is available in a 30-bump, 0.4 mm pitch,
wafer-level, chip-scale package (WLCSP).
Applications
Cell Phones, Smart Phones, PDAs
Digital Cameras
Portable Media Players
Ordering Information
Part Number Temperature Range
FAN54300UCX
-40 to 85°C
© 2010 Fairchild Semiconductor Corporation
FAN54300 • Rev. 1.0.4
Package
30-Ball, WLCSP, 5x6 Array, 0.4mm Pitch,
586 µm Package Height
Packing
Tape and Reel
www.fairchildsemi.com




FAN54300 pdf, 반도체, 판매, 대치품
Block Diagrams (Continued)
VIN
CIN
Q4
CHARGE
PUMP
REG PMID1
Q5
PMID2
CMID2
VREF
CREF
BOOTV
CBOOT
10nF
VREF
Q6
SW2
VBUS
CBUS
Q3
CHARGE
PUMP
VREF
Q1
VREF
Q2
PMID1
CMID1
L2
BOOTU
SW1
CBOOT
10nF
L1
1H
GND
COUT
RSENSE
68m
CSIN
VBAT
CBAT
SYSTEM + Battery
LOAD
Figure 3. Power Output
© 2010 Fairchild Semiconductor Corporation
FAN54300 Rev. 1.0.4
4
www.fairchildsemi.com

4페이지










FAN54300 전자부품, 판매, 대치품
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above
the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended
exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings
are stress ratings only.
Symbol
Parameter
VBUS
VIN
VBOOTU
VBOOTV
VPMID1
VSW1
VPMID2
VSW2
VO
dVBUS
dt
VBUS Voltage
VIN Voltage
BOOTU Voltage
BOOTV Voltage
PMID1 Voltage
SW1 Voltage
PMID2 Voltage
SW2 Voltage
Other Pins
Continuous
Pulsed, 100 ms Maximum Non-Repetitive
Maximum Rate of VBUS Increase Above 5.5 V when IC Enabled
dVIN
dt
Maximum Rate of VIN Increase Above 9.5 V when IC Enabled
ESD
Electrostatic Discharge
Protection Level
Human Body Model per JESD22-A114
Charged Device Model per JESD22-C101
TJ Junction Temperature
TSTG Storage Temperature
TL Lead Soldering Temperature, 10 Seconds
Note:
1. Lesser of 6.5 V or VREF + 0.3 V.
Min.
1.4
2.0
2.0
-0.7
-0.7
1.0
0.7
1.0
0.7
0.3
Max.
20.0
20.0
20.0
20.0
20.0
6.5
20.0
12.0
6.5(1)
4
4
2.0
1.5
40 +150
65 +150
+260
Unit
V
V
V
V
V
V
V
V
V
V/s
V/s
kV
kV
°C
°C
°C
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating
conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding
them or designing to absolute maximum ratings.
Symbol
VBUS
VIN
TA
TJ
VBUS Supply Voltage
VIN Supply Voltage
Ambient Temperature
Junction Temperature
Parameter
Min.
4
4.0
30
0
Max.
6
9.5
+85
+125
Units
V
V
°C
°C
Thermal Properties
Junction-to-ambient thermal resistance is a function of application and board layout. This data is measured with four-layer 2s2p
boards in accordance to JEDEC standard JESD51. Special attention must be paid not to exceed junction temperature TJ(max) at a
given ambient temperate TA.
Symbol
Parameter
JA Junction-to-Ambient Thermal Resistance
JB Junction-to-PCB Thermal Resistance
Typical
60
20
Unit
°C/W
°C/W
© 2010 Fairchild Semiconductor Corporation
FAN54300 Rev. 1.0.4
7
www.fairchildsemi.com

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부품번호상세설명 및 기능제조사
FAN54300

Li-Ion Switching Charger

Fairchild Semiconductor
Fairchild Semiconductor

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