XB5351A0 IC Datasheet

XB5351A0 Datasheet, PDF, Equivalent


Part Number

XB5351A0

Description

One Cell Lithium-ion/Polymer Battery Protection IC

Manufacture

XySemi

Total Page 12 Pages
Datasheet
Download XB5351A0 Datasheet


XB5351A0
XB5351A0
______________________________________ ____________________________________________________ _____________________________
One Cell Lithium-ion/Polymer Battery Protection IC
GENERAL DESCRIPTION
The XB5351A0 product is a high
integration solution for lithium-
ion/polymer battery protection.
XB5351A0 contains advanced power
MOSFET, high-accuracy voltage
detection circuits and delay circuits.
XB5351A0 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.
XB5351A0 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 54mRSS(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: 2.8μ A typ.
- Power-down Mode: 1.5μ A typ.
·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

XB5351A0
XB5351A0
______________________________________ ____________________________________________________ ______________________________
ORDERING INFORMATION
PART
NUMBER
Pack
age
Overcharg
e Detection
Voltage
[VCU] (V)
Overcharge
Release
Voltage
[VCL] (V)
Overdischarge Overdischarge
Detection
Release
Voltage
Voltage
[VDL] (V)
[VDR] (V)
Overcurrent
Detection
Current
[IOV1] (A)
XB5351A SOT
0 23-5
4.30
4.10
2.40
3.0
3.2
Note: YWis manufacture date code, Ymeans the year, Wmeans the week
PIN CONFIGURATION
Top Mark
5351AYW(note)
PIN DESCRIPTION
Figure 2. PIN Configuration
XB5351A0 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
VALUE
-0.3 to 6
-6 to 10
-40 to 85
UNIT
V
V
°C
XySemi Inc
- 2 - www.xysemi.com
REV0.3


Features XB5351A0 _______________________________ _______ _______________________________ _____________________ _________________ ____________ One Cell Lithium-ion/Polym er Battery Protection IC GENERAL DESCR IPTION The XB5351A0 product is a high i ntegration solution for lithiumion/poly mer battery protection. XB5351A0 contai ns advanced power MOSFET, high-accuracy voltage detection circuits and delay c ircuits. XB5351A0 is put into an ultra- small SOT23-5 package and only one exte rnal component makes it an ideal soluti on in limited space of battery pack. XB 5351A0 has all the protection functions required in the battery application in cluding overcharging, overdischarging, overcurrent and load short circuiting p rotection etc. The accurate overchargin g detection voltage ensures safe and fu ll utilization charging. The low standb y current drains little current from th e 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-power.
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