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参数资料
| 型号： | MAX8844ZEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX8844 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电池充电器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX8844 |
| 主要属性： | 单芯锂离子电池，1A 时为 4.7V，4.25 ~ 28 Vin |
| 次要属性： | 过电压输入保护 |
| 已供物品： | 板 |
28V Dual Input Linear Li+ Battery Chargers with
Battery Detection and Overvoltage-Protected Output
ABSOLUTE MAXIMUM RATINGS
IN, USB to GND......................................................-0.3V to +30V
ABI, BATT, EN , POK , ABO, ABO , CHG , DETBAT, SETI,
MIN, SAFEOUT,
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
SAFEUSB to GND.................................................-0.3V to +6V
IN to BATT Continuous Current .........................................1A RMS
Continuous Power Dissipation (T A = +70°C)
14 TDFN (derate 24.4mW/°C above 70°C)
(multilayer PCB) ....................................................1951.2mW
BATT Short-Circuit Duration .......................................Continuous
Operating Temperature Range ...........................-40°C to +85°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 IN = 5V or V USB = 5V, V BATT = 4V, R POK = 1M Ω to BATT, EN = unconnected, R SETI = 2.8k Ω to GND, V DETBAT = 0V, C BATT =
2.2μF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN, USB
Input Supply Voltage Range
Input Supply Operating Voltage
Range
0
4.25
28
7.00
V
V
Overvoltage Lockout Trip
Threshold
V IN rising, 100mV hysteresis (typ)
7.0
7.5
8.0
V
Constant current charging
I IN - I BATT , I BATT = 0A
0.25
0.50
Input Current
Constant current charging
I IN - I BATT, I BATT = 500mA
IC disabled, V EN = 5V
V IN = 4V,
V BATT = 4.2V
T A = +25°C
T A = +85°C
1
0.23
0.02
0.03
0.50
mA
BATT, CHG , POK
Minimum BATT Bypass
Capacitance
2.2
μF
V BATT Prequalification Threshold
Voltage
V BATT rising, 100mV hysteresis (typ)
2.3
2.5
2.7
V
Battery Regulation Voltage
I BATT = 0A
T A = 0°C to +85°C
T A = -40°C to +85°C
4.175
4.158
4.200
4.200
4.225
4.242
V
Regulator Dropout Voltage (V IN -
V BATT )
V BATT = 4.1V, I BATT = 425mA
260
mV
BATT Input Current
(Note 2)
V IN = 0 to 4V,
V BATT = 4.2V
5
10
μA
IC disabled
3
Current-Sense Amplifier Gain
(I BATT to I SETI )
I BATT = 500mA
T A = 0°C to +85°C
T A = -40°C to +85°C
1120
1120
μA/A
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8844ZEVKIT+ | 功能描述:电源管理IC开发工具 MAX8844Y/Z Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX8845WETC+ | 功能描述:电池管理 28V Linear Li+ Battery 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 |
| MAX8845WETC+T | 功能描述:电池管理 28V Linear Li+ Battery 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 |
| MAX8845XETC+ | 功能描述:电池管理 28V Linear Li+ Battery 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 |
| MAX8845XETC+T | 功能描述:电池管理 28V Linear Li+ Battery 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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