参数资料
型号: MAX16062ATG+T
厂商: Maxim Integrated Products
文件页数: 14/18页
文件大小: 0K
描述: IC SUPERVISOR OCT 1% 24TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 多压监控器
监视电压数目: 8
输出: 开路漏极或开路集电极
复位: 低有效
复位超时: 140 ms/可调最小值
电压 - 阀值: 8 种可选阀值组合
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 带卷 (TR)
1% Accurate, Quad-/Hex-/Octal-Voltage
μP Supervisors
Detailed Description
The MAX16060/MAX16061/MAX16062 are 1% accurate
low-voltage, quad-/hex-/octal-voltage μP supervisors in
a small thin QFN package. These devices provide
supervisory functions for complex multivoltage systems.
The MAX16060 monitors four voltages; the MAX16061
monitors six voltages; and the MAX16062 monitors eight
voltages.
These supervisors offer independent outputs for each
monitored voltage along with a reset output that asserts
whenever any of the monitored voltages fall below their
Window Detection
A window detector circuit uses two inputs in the config-
uration shown in Figure 6. External resistors set the two
threshold voltages of the window detector circuit.
External logic gates create the OUT signal. The window
detection width is the difference between the threshold
voltages (Figure 7).
5V
V CC
respective thresholds or the manual reset input is
asserted. The reset output remains asserted for the
V1
V2
IN1
IN2
reset timeout after all voltages are above their respec-
tive thresholds and the manual reset input is deassert-
ed. The minimum reset timeout is internally set to
140ms or can be adjusted with an external capacitor.
All open-drain outputs have internal 30μA pullups that
eliminate the need for external pullup resistors.
However, each output can be driven with an external
voltage up to 5.5V. Other features offered include a
V3
V4
IN3
IN4
MAX16060
GND
OUT1
OUT2
OUT3
OUT4
manual reset input, a tolerance pin for selecting 5% or
10% input thresholds, and a margin enable function for
deasserting the outputs during margin testing.
An additional feature is a watchdog timer that asserts
RESET when the watchdog timeout period (1.6s typ) is
exceeded. The watchdog timer can be disabled by
leaving WDI unconnected.
Applications Information
Figure 4. Quad Undervoltage Detector with LED Indicators
5V
D1
Undervoltage-Detection Circuit
The open-drain outputs of the MAX16060/
V IN (5V)
IN1
V CC
OUT1
D2
MAX16061/MAX16062 can be configured to detect an
undervoltage condition. Figure 4 shows a configuration
OUT2
where an LED turns on when the comparator output is
low, indicating an undervoltage condition. These
IN2
D3
devices can also be used in applications such as sys-
tem supervisory monitoring, multivoltage level detection,
and V CC bar-graph monitoring (Figure 5).
IN3
MAX16060
OUT3
D4
Tolerance (TOL)
The MAX16060/MAX16061/MAX16062 feature a pin-
selectable threshold tolerance. Connect TOL to GND to
select 5% threshold tolerance. Connect TOL to V CC to
IN4
GND
OUT4
select 10% threshold tolerance.
Figure 5. V CC Bar-Graph Monitoring
14
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MAX16062BTG+T 制造商:Maxim Integrated Products 功能描述:1% ACCURATE, QUAD-/HEX-/OCTAL-VOLTAGE MICROPROCESSOR SUPERVI - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SUPERVISOR OCT 1% 24TQFN-EP 制造商:Maxim Integrated Products 功能描述:Quad/Hex/Octal Volt uP Supervisor
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MAX16062CTG+T 制造商:Maxim Integrated Products 功能描述:1% ACCURATE, QUAD-/HEX-/OCTAL-VOLTAGE MICROPROCESSOR SUPERVI - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SUPERVISOR OCT 1% 24TQFN-EP 制造商:Maxim Integrated Products 功能描述:Quad/Hex/Octal Volt uP Supervisor
MAX16062DTG+ 功能描述:监控电路 Quad/Hex/Octal Volt uP Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel