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| 型号： | MAX1737EEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/18页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR BAT CHARGE 28-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 28-QSOP |
| 包装： | 带卷 (TR) |
MAX1737
Stand-Alone Switch-Mode
Lithium-Ion Battery-Charger Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V DCIN = V CSSN = V CSSP = +18V, SHDN = VL, CELL = GND, V BATT = V CS = +4.2V, V VADJ = V REF / 2, ISETIN =
ISETOUT = REF, R THM = 10k Ω , T A = -40°C to +85°C , unless otherwise noted.) (Note 9)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CONTROL INPUTS/OUTPUTS
SHDN Input Voltage High
SHDN Input Voltage Low (Note 8)
1.4
0.6
V
V
Note 1: Battery Regulation Voltage = Number of Cells × (3.979V + 0.10526 × V VADJ ).
Note 2: This transconductance is for one cell. Divide by number of cells to determine actual transconductance.
Note 3: See Thermistor section.
Note 4: Below this threshold, the charger reverts to prequalification mode and I CHG is reduced to about 5% of full scale.
Note 5: Above this threshold, the charger returns to reset.
Note 6: After full-charge state is complete and peak inductor current falls below this threshold, FULLCHG output switches high.
Battery charging continues until top-off timeout occurs.
Note 7: After charging is complete, when BATT voltage falls below this threshold, a new charging cycle is initiated.
Note 8: In shutdown, charging ceases and battery drain current drops to 5μ A ( max), but internal IC bias current remains on.
Note 9: Specifications to -40°C are guaranteed by design and not production tested.
6
Maxim Integrated
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