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参数资料
| 型号： | MAX8844ZEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/17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
ELECTRICAL CHARACTERISTICS (continued)
(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
V BATT = 3.5V,
CONDITIONS
T A = 0°C to +85°C
MIN
400
TYP
440
MAX
480
UNITS
Fast-Charge Current
R SETI = 2.8k Ω
T A = -40°C to +85°C
375
440
505
mA
V BATT = 3.5V,
R SETI = 14k Ω
74
88
102
USB Fast-Charge Current
CHG Top-Off Threshold
CHG Hysteresis
CHG Detection Delay
Prequalification Charge Current
CHG , POK Output Low Threshold
MAX8844Z
MAX8844Y
I BATT falling, battery is charged, R MIN = 1.75k Ω (Note 3)
I BATT rising after top-off is detected, R MIN = 1.75k Ω
I BATT falls below top-off threshold
Percentage of the fast-charge current, V BATT = 2.2V,
T A = 0°C to +85°C
I POK = 5mA , I CHG = 5mA
332
405
4.0
5
380
450
99
27
6.2
11
418
495
10.7
17
0.4
mA
mA
mA
ms
%
V
CHG , POK Output High Leakage
Current
POK Threshold
(Note 2)
V POK = 5.5V, V CHG = 5.5V
V IN - V BATT
T A = +25°C
T A = +85°C
V IN rising
V IN falling
0.002
40
30
1
μA
mV
DETBAT, SAFEOUT, SAFEUSB
DETBAT Logic Input Low
Threshold
DETBAT Logic Input High
Threshold
1.3
0.4
V
DETBAT Pullup Resistor
Minimum SAFEOUT Bypass
Capacitance
DETBAT to VL = 3V
470
1
k Ω
μF
SAFEOUT Regulated Output
I SAFEOUT = 30mA, V IN = 5V, T A = 0°C to +85°C
4.5
4.7
4.9
V
SAFEOUT Current Limit
Minimum SAFEUSB Bypass
Capacitance
100
1
mA
μF
SAFEUSB Regulated Output
I SAFEUSB = 30mA, V USB = 5V, T A = 0°C to +85°C
4.5
4.7
4.9
V
SAFEUSB Current Limit
EN , ABI, ABO, ABO
100
mA
EN , ABI Internal Pulldown
Resistor
100
200
400
k Ω
EN , Logic Input Low Threshold
(Note 2)
EN , Logic Input High Theshold
(Note 2)
4.25V ≤ V IN ≤ 7V
4.25V ≤ V IN ≤ 7V
1.3
0.4
V
V
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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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