参数资料
| 型号： | MAX1925ETC+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/16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： | 75 |
| 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： | 管件 |
Switch-Mode 1-Cell Li+ Chargers
ABSOLUTE MAXIMUM RATINGS
IN, INP, ACON to GND...........................................-0.3V to +14V
CHG , EXT to PGND ...................................-0.3V to (V INP + 0.3V)
CS, BATT, EN, THRM to GND ..................................-0.3V to +6V
CT to GND ................................................................-0.3V to +4V
EN, THRM, CT to IN................................................-14V to +0.3V
INP to IN ................................................................-0.3V to +0.3V
PGND to GND .......................................................-0.3V to +0.3V
CS to BATT ............................................................-0.3V to +0.3V
EXT Continuous RMS Current.........................................±100mA
Continuous Power Dissipation (T A = +70 ° C)
Exposed Paddle Soldered to Board
(derate 16.9mW/ ° C above +70 ° C) .............................1349mW
Exposed Paddle Unsoldered
(derate 9mW/ ° C above +70 ° C) ....................................721mW
Operating Temperature Range ...........................-40 ° C to +85 ° C
Junction Temperature ......................................................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(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 = 0°C to +85°C ,
unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
Supply Voltage Range
CONDITIONS
V INP , V IN (MAX1925 does not charge above 6.1V)
MIN
4.5
TYP
MAX
12.0
UNITS
V
ACON Trip Point
INP, IN Shutdown Threshold
V INP , V IN rising
V INP , V IN falling
MAX1925
MAX1925
MAX1926
MAX1925
MAX1926
Rising
Falling
4.30
4.00
4.17
3.90
5.8
5.3
4.50
4.25
4.30
4.15
4.78
4.50
4.43
4.40
6.4
5.9
V
V
EN Input Resistance
EN Leakage Current
MAX1926 internally pulled up to 3V
MAX1925
125
-1
300
550
+1
k ?
μA
EN Logic Input High Threshold
EN Logic Input Low Threshold
2
0.8
V
V
BATT + CS Input Current
(Total Current into BATT and CS)
CS Input Current
IN + INP Total Input Current
DONE state, V BATT = 4.1V
EN = GND (Note 1)
V BATT = V INP = V IN = 4V, shutdown (Note 1)
Charging
EN = GND
V BATT = V INP = V IN = 4V, shutdown
V BATT = 4.1V; charging
V BATT = 4.3V; done
25
2
2
39
5
2
5
50
10
10
8
10
10
8
μA
μA
mA
μA
mA
VOLTAGE LOOP
Voltage Loop Set Point
Voltage Loop Hysteresis
BATT Prequal1 Voltage Threshold
BATT Prequal2 Voltage Threshold
4.1685
1.9
2.85
4.2000
15
2
3
4.2315
2.1
3.15
V
mV
V
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1925ETC+ | 功能描述:电池管理 Switch-Mode 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1925ETC+T | 功能描述:电池管理 Switch-Mode 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1925ETC-T | 功能描述:电池管理 Switch-Mode 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1926ETC | 功能描述:电池管理 Switch-Mode 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1926ETC+ | 功能描述:电池管理 Switch-Mode 1-Cell Li+ Charger RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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