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参数资料
| 型号： | MAX1259CWE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/7页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY MANAGER 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 备份管理 |
| 电池化学： | 所有电池类型 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
Battery Manager
CAPACITANCE
(All grades, T A = +25°C, unless otherwise noted.) (Note 10)
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
C IN
C OUT
CONDITIONS
MIN
TYP
5
5
MAX
10
10
UNITS
pF
pF
AC ELECTRICAL CHARACTERISTICS
(V CC = 4.0V to 5.5V, all grades, T A = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V CCI Fall Time
V CCI Rise Time
Power-Down to PF Low
PF High After Power-Up
t F
t R
t PF
t REC
300
1
0
100
μs
μs
μs
μs
RST Pulse Width
RST PW
50
10
ns
Note 1: All voltages referenced to ground.
Note 2: Trip-point voltage for power-fail detect: V TP = 1.26 x V BATT . For 5% operation: V BATT = 3.7V max.
Note 3: 50pF load capacity.
Note 4: Measured with pins 3, 11, 12, 13, and open.
Note 5: V TP is the point at which PF is driven low.
Note 6: V BATTF is the point at which BF is driven low.
Note 7: I CCO2 may be limited by battery capacity.
Note 8: Battery leakage is the internal energy consumed by the MAX1259.
Note 9: See the Typical Operating Characteristics BAT Switch Drop vs. Battery Voltage graph.
Note 10: Guaranteed by design. Not tested.
Pin Description
PIN
1, 4, 9, 10, 14
2
3
5
6
7, 8
11
12, 13
15, 16
NAME
N.C.
V BATT
BF
BAT
RST
GND
PF
V CCO
V CCI
FUNCTION
No Connection. Make no connection to these pins.
Backup Battery Input
Battery-Fail Output. BF is high for V CCI at or above V TP and the backup battery greater than 2V. If the
backup battery is below 2V or V CCI falls below V TP , BF will be driven low.
Battery Output. During normal operation, the BAT output supplies up to 1mA of continuous battery
current. In shipping mode, the BAT output is high impedance.
Battery-Disconnect Input. The RST input is used to prevent battery discharge during shipping.
Pulsing the RST input disconnects the backup battery from the V CCO and BAT outputs.
Ground
Power-Fail Output. PF is high for V CCI greater than 1.26 x V BATT (V TP ), indicating a valid V CCI voltage.
CMOS RAM is Powered from V CCO . The battery switchover circuit compares V CCI to the V BATT input,
and connects V CCO to whichever is higher.
+5V V CC Input
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1259EPE | 功能描述:电池管理 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 |
| MAX1259EPE+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1259EWE | 功能描述:电池管理 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 |
| MAX1259EWE+ | 功能描述:电池管理 Battery Manager 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 |
| MAX1259EWE+T | 功能描述:电池管理 Battery Manager 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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