参数资料
型号: MAX1925ETC+T
厂商: Maxim Integrated Products
文件页数: 5/16页
文件大小: 0K
描述: IC CHARGER LI+ 12-TQFN
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)、锂聚合物(Li-Pol)
电源电压: 4.5 V ~ 12 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-WQFN 裸露焊盘
供应商设备封装: 12-TQFN-EP(4x4)
包装: 带卷 (TR)
Switch-Mode 1-Cell Li+ Chargers
ELECTRICAL CHARACTERISTICS (continued)
(V PGND = V GND = 0, V INP = V IN = V CHG = 5V, V BATT = V CS = V EN = 4V, THRM = 10k ? to GND, C CT = 100nF, T A = -40 ° C to +85 ° C ,
unless otherwise noted. Typical values are at T A = +25 ° C.) (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CHG Output High Leakage
Current
ACON High Leakage
ACON Sink Current
V CHG = 12V
V ACON = 12V
V ACON = 0.4V
2
1
1
μA
μA
mA
THERMISTOR MONITOR
THRM Sense Current for Hot
Qualification
THRM Sense Current for Cold
Qualification
342
47.3
363
50.3
μA
μA
THRM Sense-Voltage Trip Point
(Note 3)
1.379
1.421
V
Note 1: When the AC adapter is unplugged or if the charger is shut down, BATT drain is less than 10μA.
Note 2: These specifications guarantee the thermistor interface detects a fault at the correct temperature (0 ° C to +5 ° C cold temper-
ature and 45 ° C to +50 ° C hot temperature) with Philips NTC Thermistor Series 640-6, 2322-640-63103, 10.0K at +25 ° C, ±5%
(or equivalent).
Note 3: A fault is generated if V THRM lower than 1.4V during the cold test or higher than 1.4V during the hot test. Hot and cold tests
occur on alternate CT clock transitions.
Note 4: Specifications to -40 ° C are guaranteed by design and not production tested.
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