参数资料
型号: MAX1757EAI+T
厂商: Maxim Integrated Products
文件页数: 6/17页
文件大小: 0K
描述: IC BATTERY CHRG LI+ 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 6 V ~ 14 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
MAX1757
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 14V Switch
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V DCIN = V HSD = V CSSP = V CSSN = 12V, V SHDN = V VL , V CELL = GND, V BATT = V CS = 4.2V, V VADJ = V REF /2,
V ISETIN = V ISETOUT = V REF , R THM = 10k Ω , T A = -40°C to +85°C , unless otherwise noted.) (Note 7)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FULLCHG BATT Current
Termination Threshold (Note 5)
Temperature Measurement
Frequency
250
0.93
400
1.37
mA
Hz
CONTROL INPUTS/OUTPUTS
SHDN Input Voltage High
SHDN Input Voltage Low
V IH
V IL
1.4
0.6
V
V
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
When V ISETOUT = 0, battery charger turns off.
See Thermistor section.
Below this threshold, charger reverts to a prequalification mode with I BATT reduced to 10% of full scale.
Above this threshold, charger is disabled.
After full-charge state is complete and BATT current falls below this threshold, FULLCHG output switches high. Battery
charging continues until top-off timeout occurs. See Table 1.
Note 6: After charging is complete, when BATT voltage falls below this threshold, a new charging cycle is initiated.
Note 7: Specifications to -40°C are guaranteed by design, not production tested.
6
Maxim Integrated
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