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参数资料
| 型号： | DS2764AE+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC MON BATT LI-ION HP 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 电池监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
DS2764 High-Precision Li+ Battery Monitor With 2-Wire Interface
PIN DESCRIPTION
PIN
TSSOP
1
FLIP
CHIP
C1
SYMBOL
CC
FUNCTION
Charge Protection Control Output. Controls an external P-channel high-side charge
protection FET.
Battery Pack Positive Terminal Input. The DS2764 monitors the pack plus terminal
through PLS to detect overload and short circuit removal, as well as the presence or
removal of a charge source. Additionally, a charge path to recover a deeply depleted cell
2
B1
PLS
is provided from PLS to V DD . In sleep mode, any capacitance or voltage source
connected to PLS is discharged internally to V SS through 200 μ A (nominal) to assure
reliable detection of a valid charge source. For details of other internal connections to
PLS and associated conditions see the Li+ Protection Circuitry section.
3
B2
DC
Discharge Protection Control Output. Controls an external P-channel high-side
discharge protection FET.
Sense Resistor Connection. Connect to the negative terminal of the battery pack. In
4, 5, 6
7
8
9
A3
C4
B4
D4
SNS
PS
IS2
IS1
the internal sense resistor configuration, the sense resistor is connected between V SS
and SNS.
Power Switch Sense Input. The device wakes up from sleep mode when it senses the
closure of a switch to V SS on this pin. Pin has an internal 1 ? A pull-up to V DD .
Current-Sense Input. This pin is internally connected to SNS through a 4.7k ? resistor.
Current-Sense Input. This pin is internally connected to V SS through a 4.7k ? resistor.
Connect a 0.1 ? F capacitor between IS1 and IS2 to complete a low pass input filter.
Serial Data Input/Out. 2-Wire data line. Open-drain output driver. Connect this pin to
10
E4
SDA
the DATA terminal of the battery pack. Pin has an internal 1 ? A pulldown for sensing
disconnection.
11, 12, 13
14
15
16
—
—
F3
E2
E1
D1
C2
D2
V SS
SCL
V DD
V IN
SNS
Probe
V SS
Probe
Device Ground. Connect directly to the negative terminal of the Li+ cell. For the external
sense resistor configuration, connect the sense resistor between V SS and SNS.
Serial Clock Input. 2-Wire clock line. Input only. Connect this pin to the CLOCK
terminal of the battery pack. Pin has an internal 1 ? A pulldown for sensing disconnection.
Power-Supply Input. Connect to the positive terminal of the Li+ cell through a
decoupling network.
Voltage Sense Input. The voltage of the Li+ cell is monitored through this input pin. This
pin has a weak pull-up to V DD .
Do not connect.
Do not connect.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2764AR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764AX/R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764AX/T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
| DS2764AX/T&R | 制造商:Maxim Integrated Products 功能描述:LI+BATT MNTR 2WIRE 4.275OV BUMP - Tape and Reel |
| DS2764AX/T&R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Precision Li+ Battery Monitor with 2-Wire Interface |
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