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| 型号： | MAX6440UTEGSD7+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY MON SNGL SOT23-6 |
| 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-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
Low-Power, Single-/Dual-Level Battery Monitors
with Hysteresis and Integrated μP Reset
Table 1. Factory-Trimmed Lower and Upper Threshold Combinations for Single-Cell Li+
or Three-Cell Alkaline/NiCd/NiMH Applications
VOLTAGES
3.3V
UPPER THRESHOLD (HTH)
3.4V 3.5V
3.6V
2.6V
AG
AH
AI
AJ
LOWER
THRESHOLD
(LTH)
2.7V
2.8V
2.9V
3.0V
3.1V
BG
CG
DG
EG
FG
BH
CH
DH
EH
FH
BI
CI
DI
EI
FI
BJ
CJ
DJ
EJ
FJ
Table 2. Factory-Trimmed Lower and Upper Threshold Combinations for Two-Cell
Alkaline/NiCd/NiMH Applications
VOLTAGES
2.3V
UPPER THRESHOLD (HTH)
2.4V 2.5V
2.6V
1.6V
KQ
KR
KS
KT
LOWER
THRESHOLD
(LTH)
1.7V
1.8V
1.9V
2.0V
2.1V
LQ
MQ
NQ
OQ
PQ
LR
MR
NR
OR
PR
LS
MS
NS
OS
PS
LT
MT
NT
OT
PT
Table 3. Factory-Trimmed V CC Reset
Threshold Levels
Table 4. V CC Reset Timeout Period Suffix
Guide
PART NO.
V CC NOMINAL
TIMEOUT
ACTIVE TIMEOUT PERIOD (ms)
SUFFIX
(_)
T
RESET
THRESHOLD (V)
3.075
PERIOD SUFFIX
D3
D7
MIN
150
1200
MAX
300
2400
S
R
Z
Y
W
V
2.925
2.625
2.313
2.188
1.665
1.575
DC-to-DC Converter Application
The MAX6441/MAX6442 triple-output battery monitors
can be used in conjunction with a DC-to-DC converter
to power microprocessor systems using a single Li+
cell or two to three alkaline/NiCd/NiMH cells. The LBOH
output indicates that the battery voltage is weak, and is
used to warn the microprocessor of potential problems.
Armed with this information, the microprocessor can
reduce system power consumption. The LBOL output
indicates the battery is empty, and system power
should be disabled. By connecting LBOL to the SHDN
pin of the DC-to-DC converter, power to the microproces-
sor is removed. Microprocessor power does not return
until the battery has recharged to a voltage greater than
V LTH+ (see Figure 7).
______________________________________________________________________________________
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相关代理商/技术参数 |
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| N74F827DB-T | 功能描述:缓冲器和线路驱动器 10-BIT BUFFER/DRIVER NINV 3-S RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| N74F827D-T | 功能描述:缓冲器和线路驱动器 10-BIT BUFFER/DRIVER NINV 3-S RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| N74F827N | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:10-bit buffer/line driver, non-inverting 3-State |
| N74F827N,602 | 功能描述:缓冲器和线路驱动器 10-BIT BUFFER/DRIVER NINV 3-S RoHS:否 制造商:Micrel 输入线路数量:1 输出线路数量:2 极性:Non-Inverting 电源电压-最大:+/- 5.5 V 电源电压-最小:+/- 2.37 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Reel |
| N74F827N-B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:10-Bit Buffer/Driver |
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