参数资料
型号: MAX8568AETE+
厂商: Maxim Integrated Products
文件页数: 5/17页
文件大小: 0K
描述: IC BATT MANAGE LITH 16-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
功能: 备份管理
电池化学: 锂离子(Li-Ion);镍金属氢化物(NiMH)
电源电压: 2.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(3x3)
包装: 管件
Complete Backup-Management ICs
for Lithium and NiMH Batteries
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 7, V IN = V INOK = 3.6V, V BK = 1.4V, V NI/LI = V BKSU = 3.3V, V BKV = GND = PGND = 0V, V STRTV = V TERMV = 1.2V,
R5 = 250k ? , T A = -40°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.) (Note 3)
PARAMETER
LX Current Limit (ILIM)
n-Channel Switch Maximum On-Time
p-Channel Zero-Channel Crossing Current
CONDITIONS
MIN
400
3.5
5
MAX
600
6.5
35
UNITS
mA
μs
mA
LOW-DROPOUT REGULATOR
BKSU Input Voltage Range
2.7
5.0
V
LDO Output-Voltage Accuracy
V BKSU = 3.3V
MAX8568A
MAX8568B
2.375
1.71
2.625
1.89
V
Note 1: All units are 100% production tested at T A = +25°C. Limits over the operating range are guaranteed by design.
Note 2: All backup step-up converter specifications are with V IN = V INOK = 0V, unless otherwise noted.
Note 3: Specifications to -40°C are guaranteed by design and not production tested.
Typical Operating Characteristics
(Circuit of Figure 7, V IN = 3.6V, V BK = 1.4V, V NI/LI = V BKSU = 3.3V, T A = +25°C, unless otherwise noted.)
12
NiMH CHARGE CURRENT
vs. BACKUP BATTERY VOLTAGE
14
LITHIUM CHARGE CURRENT
vs. BACKUP BATTERY VOLTAGE
4.180
Li-ION TERMINATION VOLTAGE
vs. TEMPERATURE
10
8
12
10
8
V IN = 5V, V BK(LIMAX) = 4.2V
4.179
4.178
4.177
4.176
6
FALLING
RISING
6
V IN = 3.9V
V BK(LIMAX) = 3.4V
4.175
4.174
4
4
4.173
2
0
V IN = 3.9V
2
0
4.172
4.171
4.170
0
0.4
0.8
1.2
1.6
2.0
0
0.6
1.2
1.8
2.4
3.0
3.6
4.2
-40
-15
10
35
60
85
BACKUP BATTERY VOLTAGE (V)
BACKUP BATTERY VOLTAGE (V)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
5
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相关代理商/技术参数
参数描述
MAX8568AETE+ 功能描述:电池管理 Backup-Mgt IC for Li & NiMH Bat 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
MAX8568AETE+T 功能描述:电池管理 Backup-Mgt IC for Li & NiMH Bat 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
MAX8568AETE-T 功能描述:电池管理 Backup-Mgt IC for Li & NiMH Bat 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
MAX8568BETE 功能描述:电池管理 Backup-Mgt IC for Li & NiMH Bat 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
MAX8568BETE-T 功能描述:电池管理 Backup-Mgt IC for Li & NiMH Bat 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