XB5351A IC Datasheet

XB5351A Datasheet, PDF, Equivalent


Part Number

XB5351A

Description

One Cell Lithium-ion/Polymer Battery Protection IC

Manufacture

XySemi

Total Page 12 Pages
Datasheet
Download XB5351A Datasheet


XB5351A
XB5351A
_______________________________________________________________________________________________________
One Cell Lithium-ion/Polymer Battery Protection IC
GENERAL DESCRIPTION
The XB5351 series product is a high
integration solution for lithium-
ion/polymer battery protection. XB5351
contains advanced power MOSFET,
high-accuracy voltage detection circuits
and delay circuits. XB5351 is put into an
ultra-small SOT23-5 package and only
one external component makes it an
ideal solution in limited space of battery
pack.
XB5351 has all the protection functions
required in the battery application including
overcharging, overdischarging, overcurrent
and load short circuiting protection etc. The
accurate overcharging detection voltage
ensures safe and full utilization charging.
The low standby current drains little current
from the cell while in storage.
The device is not only targeted for digital
cellular phones, but also for any other
Li-Ion and Li-Poly battery-powered
information appliances requiring long-
term battery life.
FEATURES
· Protection of Charger Reverse
Connection
· Protection of Battery Cell Reverse
Connection
· Integrate Advanced Power MOSFET
with Equivalent of 54mRDS(ON)
· Ultra-small SOT23-5 Package
· Only One External Capacitor
Required
· Over-temperature Protection
· Overcharge Current Protection
· Two-step Overcurrent Detection:
-Overdischarge Current
-Load Short Circuiting
· Charger Detection Function
· 0V Battery Charging Function
- Delay Times are generated inside
· High-accuracy Voltage Detection
· Low Current Consumption
- Operation Mode: 2.8μA typ.
- Power-down Mode: 0.1μA max.
· RoHS Compliant and Lead (Pb) Free
APPLICATIONS
One-Cell Lithium-ion Battery Pack
Lithium-Polymer Battery Pack
XySemi Inc
Figure 1. Typical Application Circuit
- 1 - www.xysemi.com
REV0.3

XB5351A
XB5351A
__________________________________________________________________________________________ ____________
ORDERING INFORMATION
PART
NUMBER
XB5351A
Pack
age
SOT
23-5
Overcharg
e Detection
Voltage
[VCU] (V)
4.30
Overcharge
Release
Voltage
[VCL] (V)
4.10
Overdischarge Overdischarge
Detection
Release
Voltage
Voltage
[VDL] (V)
[VDR] (V)
2.40
3.0
Overcurrent
Detection
Current
[IOV1] (A)
3
Note: “YW” is manufacture date code, “Y” means the year, “W” means the week
Top Mark
5351AYW(note)
PIN CONFIGURATION
PIN DESCRIPTION
Figure 2. PIN Configuration
XB5351 PIN
NUMBER
1
2
3
4,5
PIN NAME
PIN DESCRIPTION
VT
GND
VDD
VM
Test pinonly for vendor not used by application
Ground, connect the negative terminal of the battery to this pin
Power Supply
The negative terminal of the battery pack. The internal FET switch
connects this terminal to GND
ABSOLUTE MAXIMUM RATINGS
(Note: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating
conditions for long periods may affect device reliability.)
PARAMETER
VDD input pin voltage
VM input pin voltage
Operating Ambient Temperature
Maximum Junction Temperature
VALUE
-0.3 to 6
-6 to 10
-40 to 85
125
UNIT
V
V
°C
°C
XySemi Inc
- 2 - www.xysemi.com
REV0.3


Features XB5351A ________________________________ _______________________________________ ________________________________ One Ce ll Lithium-ion/Polymer Battery Protecti on IC GENERAL DESCRIPTION The XB5351 s eries product is a high integration sol ution for lithiumion/polymer battery pr otection. XB5351 contains advanced powe r MOSFET, high-accuracy voltage detecti on circuits and delay circuits. XB5351 is put into an ultra-small SOT23-5 pack age and only one external component mak es it an ideal solution in limited spac e of battery pack. XB5351 has all the p rotection functions required in the bat tery application including overcharging , overdischarging, overcurrent and load short circuiting protection etc. The a ccurate overcharging detection voltage ensures safe and full utilization charg ing. The low standby current drains lit tle current from the cell while in stor age. The device is not only targeted fo r digital cellular phones, but also for any other Li-Ion and Li-Poly battery-powered information appli.
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