BRCL3130ME
Rev.F Apr.-2018
描述
/
Descriptions
DATA SHEET
BRCL3130ME 产品是单节锂离子/锂聚合物可充电电池组保护的高集成度解决方案。
BRCL3130ME 包括
了先进的功率 MOSFET，高精度的电压检测电路和延时电路。
BRCL3130ME 具有非常小的 SOT23-5 的封装，这½得该器件非常适合应用于空间限制得非常小的可充
电电池组应用。BRCL3130ME 具有过充，过放，过流，短路等所有的电池所需要保护功½，并且工½时
功耗非常½。该芯片不仅仅为手机而设计，也适用于一切需要锂离子或锂聚合物可充电电池长时间供电
的各种信息产品的应用场合。
The BRCL3130ME series product is a high integration solution for lithium-lion/polymer battery
protection.BRCL3130ME contains advanced power MOSFET, high-accuracy voltage detection circuits
and delay circuits.
BRCL3130ME 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. BRCL3130ME 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.
特征
/ Features
内部集成等效 65mΩ 的先进的功率 MOSFET；
超小封装 SOT23-5；
过温保护；过充电电流保护；2 段过流保护：过放电电流，负½½短路电流；
充电器检测；0V 电池充电功½，延迟时间内部设定，高精度电压检测；
½静态电流：正常工½电流：2.8uA；待机电流：1.5uA; 兼容 ROHS 和无铅标准。
Integrate advanced power MOSFET with Equivalent of 65mΩ R
DS(ON);
Ultra-small SOT23-5 package;
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.
L
ow Current Consumption; Operation Mode: 2.8μA typ; Power-down Mode: 1.5μA typ ;
RoHS Compliant and Lead (Pb) Free.
用途
/
Applications
单芯锂离子电池组；锂聚合物电池组。
One-Cell lithium-ion battery pack; Lithium-Polymer battery pack.
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BRCL3130ME
Rev.F Apr.-2018
典型应用电路图
/ Typical Application
DATA SHEET
注意：
(1)芯片功耗不得超过封装所承受的最大功耗。
(2)本产品具有防静电保护功½，½不要超过产品最大的承受静电½力。
Notes：
(1) The chip power consumption shall not exceed the maximum power consumed by the package.
(2) This product has anti-static protection function, but do not exceed the maximum capacity of the
product to withstand static electricity.
引脚排列
/ Pinning
5
1
2
3
4
引脚编号
PinNumber
1
2
3
4、5
引脚名称
PinName
VT
GND
VDD
VM
Test pin
引脚说明
PinDescription
Ground, connect the negative terminal of the battery to this pin.
Power Supply
The negative terminal of the charger. The internal FET switch
connects this terminal to GND.
印章代码
/ Marking
见印章说明。
See Marking Instructions.
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BRCL3130ME
Rev.F Apr.-2018
极限参数
/ Absolute Maximum Ratings(Ta=25℃)
参数/Parameter
V
DD
input pin voltage
V
M
input pin voltage
符号/Symbol
V
IN
V
VM
P
D
T
J
T
L
T
opr
T
stg
R
θJA
R
θJc
ESD
数值/Value
-0.3 to +6.0
-6.0 to +10
400
125
300
-40 to +85
-55 to +150
250
130
2000
单½/Unit
V
V
mW
℃
℃
℃
℃
℃/W
℃/W
V
DATA SHEET
Power Dissipation
Maximum Junction Temperature
Lead Temperature
Operating Junction Temperature
Storage Temperature
Package Thermal Resistance
ESD
电性½参数
/ Electrical Characteristics(
除非特别指定，Ta=25℃)
符号
/Symbol
V
CU
V
CL
V
DL
V
DR
V
CHA
I
IOV1
I
SHORT
I
OPE
I
PDN
R
DS
T
SHD+
T
SHD-
T
CU
T
DL
T
IOV1
T
SHORT
V
DD
=3.6V~4.4V
V
DD
=3.6V~2.0V
V
DD
=3.6V
V
DD
=3.6V
V
dd
=3.5V
V
dd
=3.5V
V
dd
=3.5V，V
M
=0V
V
dd
=2V,V
M
floating
V
dd
=3.6V，I
VM
=1A
测试条件/Test
Condition
最小值 典型值 最大值
/Min
/Typ
/Max
4.25 4.30
4.35
4.05
2.30
2.90
4.10
2.40
3.00
-0.12
3.0
12
2.80
1.50
65
120
100
128
32
8.0
32
6.0
4.15
2.50
3.10
单½
/Unit
V
V
V
V
V
A
A
μA
μA
mΩ
℃
℃
ms
ms
ms
μS
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参数/Parameter
Overcharge Detection Voltage
Overcharge Release Voltage
Overdischarge Detection Voltage
Overdischarge Release Voltage
Charger Detection Voltage
Overdischarge Current1 Detection
Load Short-Circuiting Detection
Current Consumption in Normal
Operation
Current Consumption in power
Down
Equivalent FET on Resistance
Over Temperature Protection
Over Temperature Recovery
Degree
Overcharge Voltage Detection
Delay Time
Overdischarge Voltage Detection
Delay Time
Overdischarge Current1 Detection
Delay Time
Load Short-Circuiting Detection
Delay Time
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BRCL3130ME
Rev.F Apr.-2018
功½框图 /
Functionl Block Diagram
DATA SHEET
功½描述 /
Functional Description
BRCL3130ME监控电池的电压和电流，并通过断开充电器或负½½，保护单节可充电锂电池不会因为过充
电压，过放电压，过充电流，过放电流以及短路等情况而损坏。系统外围电路简单。MOSFET已内½，
等效电阻典型值为65mΩ。
The BRCL3130ME monitors the voltage and current of a battery and protects it from being damaged
due to overcharge voltage, overdischarge voltage, overdischarge current, and short circuit conditions
by disconnecting the battery from the load or charger. The peripheral circuit is very simple. The
MOSFET is integrated and its R
DS(ON)
is as low as 65mΩ typical.
正常工½模式 /
Normal Operating mode
如果没有检测到任½异常情况，输出管一直打开，充电和放电过程½将自由½换。这种情况称为正常工
½模式。
If no exception condition is detected, charging and discharging can be carried out freely. This condition
is called the normal operating mode.
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BRCL3130ME
Rev.F Apr.-2018
过充电情况 /
Overcharge Condition
在正常条件下的充电过程中，½电池电压高于过充检测电压（VCU）,并持续时间达到过充电压检测延迟
时间（TCU）或更长，BRCL3130ME将关断FET以停止充电。这种情况称为过充电压情况。
以下两种情况下，过充电压情况将被释放：
（1）½电池电压½于过充解除电压（VCL）
，BRCL3130ME打开输出管，回到正常工½模式。
（2）½连接一个负½½进行放电，BRCL3130ME打开输出管，回到正常工½模式。解除机制如下：接上
负½½后放电电流立刻流过输出管的内部寄生二极管，VM电压升到0.7V（即二极管的正向压降）
，
BRCL3130ME检测到这个电压后，将过充电压阈值切换到 VCU，接下来，½电池电压½于过充检测电
压（VCU）
，BRCL3130ME立刻恢复到正常工½模式，½是如果电池电压高于过充检测电压（VCU）
，即
½负½½是接着的，芯片也不会恢复到正常工½模式，必须要等到电池电压½于过充检测电压（VCU）
。另
外，在接上负½½放电时，如果VM电压等于或½于过电流1检测电压，芯片不会恢复到正常工½模式。
注：½电池被充电到超过过充检测电压（VCU）并且电池电压没有降到过充检测电压（VCU）以下，即
½加上一个可以导致过流的重½½，过流1和过流2½不会工½，除非电池电压跌倒过充检测（VCU）以下。
½是实际上电池是有内阻的，½电池接上一个重½½，电池的电压会立即跌½，这时过流1和过流2就会动
½。
When the battery voltage becomes higher than the overcharge detection voltage (VCU) during
charging under normal condition and the state continues for the overcharge detection delay time (TCU)
or longer, the BRCL3130ME turns the charging control FET off to stop charging. This condition is called
the overcharge condition.
The overcharge condition is released in the following two cases:
（1）
When the battery voltage drops below the overcharge release voltage (VCL), the BRCL3130ME
turns the charging control FET on and returns to the normal condition.
（2）
When a load is connected and discharging starts, the BRCL3130ME turns the charging control
FET on and returns to the normal condition. The release mechanism is as follows: the discharging
current flows through an internal parasitic diode of the charging FET immediately after a load is
connected and discharging starts, and the VM pin voltage increases about 0.7 V (forward voltage of the
diode) from the GND pin voltage momentarily. The BRCL3130ME detects this voltage and releases the
overcharge condition. Consequently, in the case that the battery voltage is equal to or lower than the
overcharge detection voltage (VCU), the BRCL3130ME returns to the normal condition immediately,
but in the case the battery voltage is higher than the overcharge detection voltage (VCU),the chip does
not return to the normal condition until the battery voltage drops below the overcharge detection voltage
(VCU) even if the load is connected. In addition, if the VM pin voltage is equal to or lower than the
overcurrent 1 detection voltage when a load is connected and discharging starts, the chip does not
return to the normal condition.
Note: If the battery is charged to a voltage higher than the overcharge detection voltage (VCU) and the
battery voltage does not drops below the overcharge detection voltage (VCU) even when a heavy load,
which causes an overcurrent, is connected, the overcurrent 1 and overcurrent 2 do not work until the
battery voltage drops below the overcharge detection voltage (VCU). Since an actual battery has,
however, an internal impedance of several dozens of mΩ, and the battery voltage drops immediately
after a heavy load which causes an overcurrent is connected, the overcurrent 1 and overcurrent 2 work.
Detection of load shortcircuiting works regardless of the battery voltage.
DATA SHEET
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