参数资料
型号: DS2780E+
厂商: Maxim Integrated Products
文件页数: 6/31页
文件大小: 0K
描述: IC FUEL GAUGE BATT 8TSSOP
产品培训模块: 1-Wire Communications
Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
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: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 管件
产品目录页面: 1436 (CN2011-ZH PDF)
DS2780 Standalone Fuel Gauge IC
Figure 2. Multicell Application Example
PK+
0.1uF
4.7uF
DATA
PIO
150
150
(1)
(1)
DQ
PIO
SNS
VDD
VIN
OVD
VSS
500
0.1uF
(n * R)
R
Multi-Cell
Li-Ion
Battery
Protection
Circuit
PK-
RSNS
(1) Components improve IEC1004 Air/Contact ESD compliance
Figure 3. Inside Protector Example
PK+
DATA
PIO
150
150
(1)
(1)
DQ
PIO
SNS
DS2780
VDD
VIN
OVD
VSS
500
0.1uF
1K
Li-Ion
Battery
PK-
Protection
RSNS
Circuit
(1) Precaution must be taken to ensure that a charge path is not created from
PK+ to Data or PIO.
PROTECTOR CIRCUIT LOCATION
The battery protection circuitry can be located inside or outside the DS2780. Either location is acceptable but there
are some advantages and disadvantages to both. With the protection circuit located inside, see Figure 2 and
Typical Operating Circuit on page 1, the DS2780 will loose power in a circuit protection event. The DS2780 stores
6 of 31
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