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| 型号： | MAX6848KAWD3+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY MON ADJ SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 电池监控器 |
| 电池化学： | 碱性，锂离子，镍镉，镍金属氢化物 |
| 电源电压： | 1 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 带卷 (TR) |
Low-Power, Adjustable Battery Monitors with
Hysteresis and Integrated μP Reset
V DD
LTHIN
LTH
MAX6847
V DD
LTHIN
MAX6848
HTHIN
DETECT
R
Q
5%
LTH
DETECT
LBOL
HTHIN
HYST
S
Q
LBO
LBO
HTH
DETECT
LBO TIMEOUT
PERIOD
HTH
TIMEOUT
PERIOD
LBOH
DETECT
5%
HYST
615mV
V CC
V CC
V CC
615mV
V TH
DETECT
RESET
TIMEOUT
PERIOD
RESET
V TH
DETECT
RESET
TIMEOUT
PERIOD
RESET
1.23V
MR
V CC
1.23V
Figure 1a. MAX6847 Functional Diagram
Low-Battery Output
The low-battery outputs are available in active-low
( LBO , LBOL , LBOH ), open-drain configurations. The
low-battery outputs can be pulled to a voltage indepen-
dent of V CC or V DD , up to 5.5V. This allows the device
to monitor and operate from direct battery voltage while
interfacing to higher voltage microprocessors.
The MAX6846/MAX6847 single-output voltage monitors
provide a single low-battery output, LBO . LBO asserts
when LTHIN drops below V LTH and remains asserted
for at least 150ms after HTHIN rises above V HTH (see
Figure 2). The MAX6848/MAX6849 dual-output voltage
monitors provide two low-battery outputs: LBOH and
LBOL . LBOH asserts when HTHIN drops below V HTH-
and remains asserted for at least 150ms after HTHIN
Figure 1b. MAX6848 Functional Diagram
rises above V HTH+ . LBOL asserts when LTHIN drops
below V LTH- and remains asserted for at least 150ms
after LTHIN rises above V LTH+ (see Figure 3). For fast-
rising V DD input, the LBOL timeout period must com-
plete before the LBOH timeout period begins.
Reset Output
The MAX6846–MAX6849 provide an active-low reset
output ( RESET ). RESET is asserted when the voltage at
V CC falls below the reset threshold level. Reset remains
asserted for the reset timeout period after V CC exceeds
the threshold. If V CC goes below the reset threshold
before the reset timeout period is completed, the inter-
nal timer restarts (see Figure 4). The MAX6846/
MAX6848 have open-drain reset outputs, while the
MAX6847/MAX6849 have push-pull reset outputs.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6848KAWD7+T | 功能描述:电池管理 Single Adjustable Battery Monitor 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 |
| MAX6848KAWD7-T | 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 |
| MAX6848KAYD3+T | 功能描述:电池管理 Single Adjustable Battery Monitor 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 |
| MAX6848KAYD3-T | 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 |
| MAX6848KAYD7+T | 功能描述:电池管理 Single Adjustable Battery Monitor 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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